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Transmission oil cooling
I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of
increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 |
Transmission oil cooling
On 5/24/2014 4:03 PM, Poquito Loco wrote:
I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 I looked at them out of idle curiosity a few years ago. Consensus is they are a waste of money and don't reduce transmission fluid temp at all once it is up to operating temp. All they do is cause it to take a little longer to get up to temp (which is not necessarily a good thing) and a little longer to cool off when the truck is shut off. They don't add that much more capacity over what your stock pan holds. |
Transmission oil cooling
On 5/24/2014 4:03 PM, Poquito Loco wrote:
I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. |
Transmission oil cooling
On 5/24/2014 4:03 PM, Poquito Loco wrote:
I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 See what Allison says about it. |
Transmission oil cooling
On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote:
On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Appreciated. It is the Allison. The book says 200F should be the max, but I've approached that several times just on I-95 - during stop and go traffic. But I've also read that 235 to 260 isn't unreasonable. I'll look into an auxiliary cooler, if they make one. The bigger pan increases capacity by 5 quarts. A friend just installed one. |
Transmission oil cooling
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Transmission oil cooling
On 5/24/2014 9:33 PM, Poquito Loco wrote:
On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Appreciated. It is the Allison. The book says 200F should be the max, but I've approached that several times just on I-95 - during stop and go traffic. But I've also read that 235 to 260 isn't unreasonable. I'll look into an auxiliary cooler, if they make one. The bigger pan increases capacity by 5 quarts. A friend just installed one. Just asked my bud on FB, he is a truck Guru, from what I can gather he wins national titles in pulling and such.. I will let you know what his crew says... |
Transmission oil cooling
On 5/24/2014 9:33 PM, Poquito Loco wrote:
On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Appreciated. It is the Allison. The book says 200F should be the max, but I've approached that several times just on I-95 - during stop and go traffic. But I've also read that 235 to 260 isn't unreasonable. I'll look into an auxiliary cooler, if they make one. The bigger pan increases capacity by 5 quarts. A friend just installed one. Your transmission holds about 13 quarts of fluid stock. Adding 5 more quarts won't make it run any cooler .... it will just take a little longer to get up to max temp and a little longer to cool down. There are several auxiliary transmission coolers advertised for your truck, some fan assisted, some not. You mention that you see the temp go up in stop and go traffic. Maybe all your factory cooler needs is a temperature controlled fan that will turn on at a certain setpoint. |
Transmission oil cooling
"Mr. Luddite" wrote:
On 5/24/2014 9:33 PM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Appreciated. It is the Allison. The book says 200F should be the max, but I've approached that several times just on I-95 - during stop and go traffic. But I've also read that 235 to 260 isn't unreasonable. I'll look into an auxiliary cooler, if they make one. The bigger pan increases capacity by 5 quarts. A friend just installed one. Your transmission holds about 13 quarts of fluid stock. Adding 5 more quarts won't make it run any cooler .... it will just take a little longer to get up to max temp and a little longer to cool down. There are several auxiliary transmission coolers advertised for your truck, some fan assisted, some not. You mention that you see the temp go up in stop and go traffic. Maybe all your factory cooler needs is a temperature controlled fan that will turn on at a certain setpoint. I have pretty much the same truck. 140,000 miles, no tranny cooler. But I only tow about 4500#, but over some steep mountains. Seems to stay normal. Only time I really saw it climb was a 100+ day! and a 7000' mountain pass. |
Transmission oil cooling
On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote:
On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 |
Transmission oil cooling
On Sat, 24 May 2014 23:11:43 -0500, Califbill wrote:
"Mr. Luddite" wrote: On 5/24/2014 9:33 PM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Appreciated. It is the Allison. The book says 200F should be the max, but I've approached that several times just on I-95 - during stop and go traffic. But I've also read that 235 to 260 isn't unreasonable. I'll look into an auxiliary cooler, if they make one. The bigger pan increases capacity by 5 quarts. A friend just installed one. Your transmission holds about 13 quarts of fluid stock. Adding 5 more quarts won't make it run any cooler .... it will just take a little longer to get up to max temp and a little longer to cool down. There are several auxiliary transmission coolers advertised for your truck, some fan assisted, some not. You mention that you see the temp go up in stop and go traffic. Maybe all your factory cooler needs is a temperature controlled fan that will turn on at a certain setpoint. I have pretty much the same truck. 140,000 miles, no tranny cooler. But I only tow about 4500#, but over some steep mountains. Seems to stay normal. Only time I really saw it climb was a 100+ day! and a 7000' mountain pass. My trailer runs about 10,500 lbs, but the truck already has a factory installed auxiliary transmission oil cooler as part of the towing package. I'm beginning to think I'm worrying too much. |
Transmission oil cooling
On Sunday, May 25, 2014 8:40:31 AM UTC-4, John H. wrote:
My trailer runs about 10,500 lbs, but the truck already has a factory installed auxiliary transmission oil cooler as part of the towing package. I'm beginning to think I'm worrying too much. If the truck is factory rated to tow that much, leave it alone. The factory ratings are conservative for liability and warranty reasons. Save your money for another RC airplane! |
Transmission oil cooling
On 5/25/2014 8:40 AM, Poquito Loco wrote:
On Sat, 24 May 2014 23:11:43 -0500, Califbill wrote: "Mr. Luddite" wrote: On 5/24/2014 9:33 PM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Appreciated. It is the Allison. The book says 200F should be the max, but I've approached that several times just on I-95 - during stop and go traffic. But I've also read that 235 to 260 isn't unreasonable. I'll look into an auxiliary cooler, if they make one. The bigger pan increases capacity by 5 quarts. A friend just installed one. Your transmission holds about 13 quarts of fluid stock. Adding 5 more quarts won't make it run any cooler .... it will just take a little longer to get up to max temp and a little longer to cool down. There are several auxiliary transmission coolers advertised for your truck, some fan assisted, some not. You mention that you see the temp go up in stop and go traffic. Maybe all your factory cooler needs is a temperature controlled fan that will turn on at a certain setpoint. I have pretty much the same truck. 140,000 miles, no tranny cooler. But I only tow about 4500#, but over some steep mountains. Seems to stay normal. Only time I really saw it climb was a 100+ day! and a 7000' mountain pass. My trailer runs about 10,500 lbs, but the truck already has a factory installed auxiliary transmission oil cooler as part of the towing package. I'm beginning to think I'm worrying too much. I agree.... I think the tool is set up to do the job as long as you keep it tuned... |
Transmission oil cooling
On 5/25/2014 8:40 AM, Poquito Loco wrote:
On Sat, 24 May 2014 23:11:43 -0500, Califbill wrote: "Mr. Luddite" wrote: On 5/24/2014 9:33 PM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Appreciated. It is the Allison. The book says 200F should be the max, but I've approached that several times just on I-95 - during stop and go traffic. But I've also read that 235 to 260 isn't unreasonable. I'll look into an auxiliary cooler, if they make one. The bigger pan increases capacity by 5 quarts. A friend just installed one. Your transmission holds about 13 quarts of fluid stock. Adding 5 more quarts won't make it run any cooler .... it will just take a little longer to get up to max temp and a little longer to cool down. There are several auxiliary transmission coolers advertised for your truck, some fan assisted, some not. You mention that you see the temp go up in stop and go traffic. Maybe all your factory cooler needs is a temperature controlled fan that will turn on at a certain setpoint. I have pretty much the same truck. 140,000 miles, no tranny cooler. But I only tow about 4500#, but over some steep mountains. Seems to stay normal. Only time I really saw it climb was a 100+ day! and a 7000' mountain pass. My trailer runs about 10,500 lbs, but the truck already has a factory installed auxiliary transmission oil cooler as part of the towing package. I'm beginning to think I'm worrying too much. Me too. |
Transmission oil cooling
On 5/25/2014 8:25 AM, Poquito Loco wrote:
On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. |
Transmission oil cooling
On Sun, 25 May 2014 06:41:51 -0700 (PDT), wrote:
On Sunday, May 25, 2014 8:40:31 AM UTC-4, John H. wrote: My trailer runs about 10,500 lbs, but the truck already has a factory installed auxiliary transmission oil cooler as part of the towing package. I'm beginning to think I'm worrying too much. If the truck is factory rated to tow that much, leave it alone. The factory ratings are conservative for liability and warranty reasons. Save your money for another RC airplane! The FAA, according to an assistant principal at the school we fly at, has written a letter to Fairfax County Public Schools informing them that the flying activities there are illegal. Today I joined a flying club http://www.soarcasa.org/ and went out to their Gude Drive site just north of Rockville, MD. What a super place for flying. I've got to get in some practice. Will try early tomorrow morning, behind the school about 6:30. Should be safe then. |
Transmission oil cooling
On Sun, 25 May 2014 14:58:42 -0400, "Mr. Luddite" wrote:
On 5/25/2014 8:40 AM, Poquito Loco wrote: On Sat, 24 May 2014 23:11:43 -0500, Califbill wrote: "Mr. Luddite" wrote: On 5/24/2014 9:33 PM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Appreciated. It is the Allison. The book says 200F should be the max, but I've approached that several times just on I-95 - during stop and go traffic. But I've also read that 235 to 260 isn't unreasonable. I'll look into an auxiliary cooler, if they make one. The bigger pan increases capacity by 5 quarts. A friend just installed one. Your transmission holds about 13 quarts of fluid stock. Adding 5 more quarts won't make it run any cooler .... it will just take a little longer to get up to max temp and a little longer to cool down. There are several auxiliary transmission coolers advertised for your truck, some fan assisted, some not. You mention that you see the temp go up in stop and go traffic. Maybe all your factory cooler needs is a temperature controlled fan that will turn on at a certain setpoint. I have pretty much the same truck. 140,000 miles, no tranny cooler. But I only tow about 4500#, but over some steep mountains. Seems to stay normal. Only time I really saw it climb was a 100+ day! and a 7000' mountain pass. My trailer runs about 10,500 lbs, but the truck already has a factory installed auxiliary transmission oil cooler as part of the towing package. I'm beginning to think I'm worrying too much. Me too. These damn Driver Information Centers provide way too much information! |
Transmission oil cooling
On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote:
On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. That is on my checklist. This sits on my dash: DEPARTURE " TOW/HAUL MODE " JACKS 'OFF' " HITCH FORWARD " HITCH LOCKED " TRAILER BRAKE " REGRIGERATOR GAS " TAIL LIGHTS " WALK AROUND " GET WIFE Except for the last, I've forgotten all of them at least once! |
Transmission oil cooling
On 5/25/2014 3:17 PM, Poquito Loco wrote:
On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. That is on my checklist. This sits on my dash: DEPARTURE " TOW/HAUL MODE " JACKS 'OFF' " HITCH FORWARD " HITCH LOCKED " TRAILER BRAKE " REGRIGERATOR GAS " TAIL LIGHTS " WALK AROUND " GET WIFE Except for the last, I've forgotten all of them at least once! It has been awhile but I remember always doing another hitch check on the 5th wheel we had. Manually engage the trailer brakes only and, while holding them on, try to pull way with the truck. If the hitch isn't engaged and locked properly, you'll find out in a hurry. This is done before fully retracting the landing gear. |
Transmission oil cooling
On Sun, 25 May 2014 17:36:22 -0400, "Mr. Luddite" wrote:
On 5/25/2014 3:17 PM, Poquito Loco wrote: On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. That is on my checklist. This sits on my dash: DEPARTURE " TOW/HAUL MODE " JACKS 'OFF' " HITCH FORWARD " HITCH LOCKED " TRAILER BRAKE " REGRIGERATOR GAS " TAIL LIGHTS " WALK AROUND " GET WIFE Except for the last, I've forgotten all of them at least once! It has been awhile but I remember always doing another hitch check on the 5th wheel we had. Manually engage the trailer brakes only and, while holding them on, try to pull way with the truck. If the hitch isn't engaged and locked properly, you'll find out in a hurry. This is done before fully retracting the landing gear. If mine isn't fully engaged I can't lock it. But, thanks for the tip. |
Transmission oil cooling
On 5/25/2014 6:08 PM, Poquito Loco wrote:
On Sun, 25 May 2014 17:36:22 -0400, "Mr. Luddite" wrote: On 5/25/2014 3:17 PM, Poquito Loco wrote: On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. That is on my checklist. This sits on my dash: DEPARTURE " TOW/HAUL MODE " JACKS 'OFF' " HITCH FORWARD " HITCH LOCKED " TRAILER BRAKE " REGRIGERATOR GAS " TAIL LIGHTS " WALK AROUND " GET WIFE Except for the last, I've forgotten all of them at least once! It has been awhile but I remember always doing another hitch check on the 5th wheel we had. Manually engage the trailer brakes only and, while holding them on, try to pull way with the truck. If the hitch isn't engaged and locked properly, you'll find out in a hurry. This is done before fully retracting the landing gear. If mine isn't fully engaged I can't lock it. But, thanks for the tip. ummmmm... Just because your lever indicates it is in the "locked" position doesn't guarantee 100% that it *is* locked. Not trying to nit-pic but the place that sold you the 5th wheel should have gone over the test I described during your inspection and pickup. It's a pretty standard test that ensures the pin is securely positioned and locked in the hitch. Kinda embarrassing (and potentially costly) to retract the landing gear, put the truck in drive thinking everything is locked only to have the pin crash through the bed of your truck or worse. |
Transmission oil cooling
On Sun, 25 May 2014 18:50:26 -0400, "Mr. Luddite" wrote:
On 5/25/2014 6:08 PM, Poquito Loco wrote: On Sun, 25 May 2014 17:36:22 -0400, "Mr. Luddite" wrote: On 5/25/2014 3:17 PM, Poquito Loco wrote: On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. That is on my checklist. This sits on my dash: DEPARTURE " TOW/HAUL MODE " JACKS 'OFF' " HITCH FORWARD " HITCH LOCKED " TRAILER BRAKE " REGRIGERATOR GAS " TAIL LIGHTS " WALK AROUND " GET WIFE Except for the last, I've forgotten all of them at least once! It has been awhile but I remember always doing another hitch check on the 5th wheel we had. Manually engage the trailer brakes only and, while holding them on, try to pull way with the truck. If the hitch isn't engaged and locked properly, you'll find out in a hurry. This is done before fully retracting the landing gear. If mine isn't fully engaged I can't lock it. But, thanks for the tip. ummmmm... Just because your lever indicates it is in the "locked" position doesn't guarantee 100% that it *is* locked. Not trying to nit-pic but the place that sold you the 5th wheel should have gone over the test I described during your inspection and pickup. It's a pretty standard test that ensures the pin is securely positioned and locked in the hitch. Kinda embarrassing (and potentially costly) to retract the landing gear, put the truck in drive thinking everything is locked only to have the pin crash through the bed of your truck or worse. I'm talking about the locking pin. Unless the latch is closed, the locking pin won't go into it's hole. Oh, and I've also go a 'bed protector' in case I get really stupid! It catches the pin if it's not latched properly. On my hitch, it's pretty easy to see if the jaw is closed. No, no one suggested holding the trailer brake and trying to pull forward. If the jaw wasn't closed, sounds like a good way to do some damage. |
Transmission oil cooling
On 5/25/2014 5:36 PM, Mr. Luddite wrote:
On 5/25/2014 3:17 PM, Poquito Loco wrote: On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. That is on my checklist. This sits on my dash: DEPARTURE " TOW/HAUL MODE " JACKS 'OFF' " HITCH FORWARD " HITCH LOCKED " TRAILER BRAKE " REGRIGERATOR GAS " TAIL LIGHTS " WALK AROUND " GET WIFE Except for the last, I've forgotten all of them at least once! It has been awhile but I remember always doing another hitch check on the 5th wheel we had. Manually engage the trailer brakes only and, while holding them on, try to pull way with the truck. If the hitch isn't engaged and locked properly, you'll find out in a hurry. This is done before fully retracting the landing gear. I always do a walk around before putting the key in the thing... I am somewhat superstitious about it, ****es off my kids cause I have to touch the driver seat then do a walk around. Sometimes I forget to close the door:) |
Transmission oil cooling
On 5/25/2014 8:14 PM, Poquito Loco wrote:
On Sun, 25 May 2014 18:50:26 -0400, "Mr. Luddite" wrote: On 5/25/2014 6:08 PM, Poquito Loco wrote: On Sun, 25 May 2014 17:36:22 -0400, "Mr. Luddite" wrote: On 5/25/2014 3:17 PM, Poquito Loco wrote: On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. That is on my checklist. This sits on my dash: DEPARTURE " TOW/HAUL MODE " JACKS 'OFF' " HITCH FORWARD " HITCH LOCKED " TRAILER BRAKE " REGRIGERATOR GAS " TAIL LIGHTS " WALK AROUND " GET WIFE Except for the last, I've forgotten all of them at least once! It has been awhile but I remember always doing another hitch check on the 5th wheel we had. Manually engage the trailer brakes only and, while holding them on, try to pull way with the truck. If the hitch isn't engaged and locked properly, you'll find out in a hurry. This is done before fully retracting the landing gear. If mine isn't fully engaged I can't lock it. But, thanks for the tip. ummmmm... Just because your lever indicates it is in the "locked" position doesn't guarantee 100% that it *is* locked. Not trying to nit-pic but the place that sold you the 5th wheel should have gone over the test I described during your inspection and pickup. It's a pretty standard test that ensures the pin is securely positioned and locked in the hitch. Kinda embarrassing (and potentially costly) to retract the landing gear, put the truck in drive thinking everything is locked only to have the pin crash through the bed of your truck or worse. I'm talking about the locking pin. Unless the latch is closed, the locking pin won't go into it's hole. Oh, and I've also go a 'bed protector' in case I get really stupid! It catches the pin if it's not latched properly. On my hitch, it's pretty easy to see if the jaw is closed. No, no one suggested holding the trailer brake and trying to pull forward. If the jaw wasn't closed, sounds like a good way to do some damage. Look up "tug test". |
Transmission oil cooling
On Mon, 26 May 2014 03:54:34 -0400, "Mr. Luddite" wrote:
On 5/25/2014 8:14 PM, Poquito Loco wrote: On Sun, 25 May 2014 18:50:26 -0400, "Mr. Luddite" wrote: On 5/25/2014 6:08 PM, Poquito Loco wrote: On Sun, 25 May 2014 17:36:22 -0400, "Mr. Luddite" wrote: On 5/25/2014 3:17 PM, Poquito Loco wrote: On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. That is on my checklist. This sits on my dash: DEPARTURE " TOW/HAUL MODE " JACKS 'OFF' " HITCH FORWARD " HITCH LOCKED " TRAILER BRAKE " REGRIGERATOR GAS " TAIL LIGHTS " WALK AROUND " GET WIFE Except for the last, I've forgotten all of them at least once! It has been awhile but I remember always doing another hitch check on the 5th wheel we had. Manually engage the trailer brakes only and, while holding them on, try to pull way with the truck. If the hitch isn't engaged and locked properly, you'll find out in a hurry. This is done before fully retracting the landing gear. If mine isn't fully engaged I can't lock it. But, thanks for the tip. ummmmm... Just because your lever indicates it is in the "locked" position doesn't guarantee 100% that it *is* locked. Not trying to nit-pic but the place that sold you the 5th wheel should have gone over the test I described during your inspection and pickup. It's a pretty standard test that ensures the pin is securely positioned and locked in the hitch. Kinda embarrassing (and potentially costly) to retract the landing gear, put the truck in drive thinking everything is locked only to have the pin crash through the bed of your truck or worse. I'm talking about the locking pin. Unless the latch is closed, the locking pin won't go into it's hole. Oh, and I've also go a 'bed protector' in case I get really stupid! It catches the pin if it's not latched properly. On my hitch, it's pretty easy to see if the jaw is closed. No, no one suggested holding the trailer brake and trying to pull forward. If the jaw wasn't closed, sounds like a good way to do some damage. Look up "tug test". I did, and I understand what you're saying. I've just not heard it before - even from all the other 5th wheel guys we hang with. I use the trailer break to put the hitch back and forth for maneuvering, but have never used it to check whether the pin is locked. I get a decent jolt when I back into the pin, and it's easy to see if the pin is in all the way or not. Lastly, I put the locking pin in. If it goes, then the latch is closed. It works well. |
Transmission oil cooling
On Monday, May 26, 2014 6:54:37 AM UTC-7, John H. wrote:
.... John for $300.00 it may or it may not help. But it's not much money so... |
Transmission oil cooling
Tim wrote:
On Monday, May 26, 2014 6:54:37 AM UTC-7, John H. wrote: ... John for $300.00 it may or it may not help. But it's not much money so... My problem on my motor home in the 80's was a defective tranny cooler. Had a piece of aluminum loose in the cooler and blocked fluid flow. Cost a tranny in the end. |
Transmission oil cooling
On Saturday, May 24, 2014 4:03:33 PM UTC-4, John H. wrote:
I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? Its the best thing you could do for your Truck. It routes the Oil to a cooler usually placed in FRONT of the Rad. Better to have this, than to have your tranny fluid trying to cool off in a 170 degree Rad Tank !!! Transmissions work far better when cool. Also its good to wrap metal or plastic (not my choice)window screen around the front, to keep out bugs.You COULD put it right across the front of your Rad to keep out everything but air. My Brother works at a Commercial AC/ Heat recovery business. He makes mine for free, with larger tubing (1/2 inch) as well. He makes extruded Fin-Tubes there. they can make a cooler in about 30 minutes start to finish. |
Transmission oil cooling
On Saturday, May 24, 2014 6:04:06 PM UTC-4, Mr. Luddite wrote:
On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 I looked at them out of idle curiosity a few years ago. Consensus is they are a waste of money and don't reduce transmission fluid temp at all once it is up to operating temp. All they do is cause it to take a little longer to get up to temp (which is not necessarily a good thing) and a little longer to cool off when the truck is shut off. They don't add that much more capacity over what your stock pan holds. You are a fool. A cool tranny works far better, and last longer. Ask a Transmission Repair Man. Your statement shows you know little. |
Transmission oil cooling
On Sunday, May 25, 2014 5:36:22 PM UTC-4, Mr. Luddite wrote:
On 5/25/2014 3:17 PM, Poquito Loco wrote: On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. That is on my checklist. This sits on my dash: DEPARTURE " TOW/HAUL MODE " JACKS 'OFF' " HITCH FORWARD " HITCH LOCKED " TRAILER BRAKE " REGRIGERATOR GAS " TAIL LIGHTS " WALK AROUND " GET WIFE Except for the last, I've forgotten all of them at least once! It has been awhile but I remember always doing another hitch check on the 5th wheel we had. Manually engage the trailer brakes only and, while holding them on, try to pull way with the truck. If the hitch isn't engaged and locked properly, you'll find out in a hurry. This is done before fully retracting the landing gear. Its called a " Tug Test". We used to do it a lot while driving Transports, switching trailers frequently. |
Transmission oil cooling
On Sunday, May 25, 2014 3:04:31 PM UTC-4, Mr. Luddite wrote:
On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions.. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. I'm having a little trouble with "different gear ratios" going down verses going up. There's only one collection of planetary gear sets in an automatic. The ratios don't change. |
Transmission oil cooling
On Monday, May 26, 2014 9:54:37 AM UTC-4, John H. wrote:
On Mon, 26 May 2014 03:54:34 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:14 PM, Poquito Loco wrote: On Sun, 25 May 2014 18:50:26 -0400, "Mr. Luddite" wrote: On 5/25/2014 6:08 PM, Poquito Loco wrote: On Sun, 25 May 2014 17:36:22 -0400, "Mr. Luddite" wrote: On 5/25/2014 3:17 PM, Poquito Loco wrote: On Sun, 25 May 2014 15:04:31 -0400, "Mr. Luddite" wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675..c100011.m1850&_trkp arms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26a sc%3D22855%26meid%3D7132067336503725629%26pid%3D10 0011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D12133 5643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. |
Transmission oil cooling
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Transmission oil cooling
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Transmission oil cooling
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Transmission oil cooling
On 5/27/2014 2:56 PM, Poquito Loco wrote:
On Tue, 27 May 2014 14:45:09 -0400, "Mr. Luddite" wrote: On 5/27/2014 2:19 PM, wrote: On Sunday, May 25, 2014 3:04:31 PM UTC-4, Mr. Luddite wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. I'm having a little trouble with "different gear ratios" going down verses going up. There's only one collection of planetary gear sets in an automatic. The ratios don't change. I think I screwed that up. It's not different gear ratios, but rather different shift pressures (when using the tow/haul mode). For example, like the Allison, the Ford Torqshift will sense when going downhill and automatically downshift to apply engine braking on gas engines, saving wear on the brakes. Doesn't apply to diesels, since a diesel has no engine braking. If I set the cruise control to 45 mph (for example) and am in tow/haul mode, the transmission will downshift using the engine to keep the speed there. If the cruise control is not set, but I'm in tow/haul mode, the transmission will sense my slowing down, with or without the brake, and downshift - if, for example, I'm approaching a red light. The Ford Torqshift does the same in Tow/Haul. Only difference is that with your rig being a diesel you don't get any engine braking when going down hills like you will with a gas engine. |
Transmission oil cooling
On Tue, 27 May 2014 15:08:46 -0400, "Mr. Luddite" wrote:
On 5/27/2014 2:56 PM, Poquito Loco wrote: On Tue, 27 May 2014 14:45:09 -0400, "Mr. Luddite" wrote: On 5/27/2014 2:19 PM, wrote: On Sunday, May 25, 2014 3:04:31 PM UTC-4, Mr. Luddite wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. I'm having a little trouble with "different gear ratios" going down verses going up. There's only one collection of planetary gear sets in an automatic. The ratios don't change. I think I screwed that up. It's not different gear ratios, but rather different shift pressures (when using the tow/haul mode). For example, like the Allison, the Ford Torqshift will sense when going downhill and automatically downshift to apply engine braking on gas engines, saving wear on the brakes. Doesn't apply to diesels, since a diesel has no engine braking. If I set the cruise control to 45 mph (for example) and am in tow/haul mode, the transmission will downshift using the engine to keep the speed there. If the cruise control is not set, but I'm in tow/haul mode, the transmission will sense my slowing down, with or without the brake, and downshift - if, for example, I'm approaching a red light. The Ford Torqshift does the same in Tow/Haul. Only difference is that with your rig being a diesel you don't get any engine braking when going down hills like you will with a gas engine. Perhaps not the same amount, but plenty enough to feel. "TOW/HAUL MODE An innovative tow/haul mode gives automatic transmissions on select models a dual-mode shift program. This feature raises upshift points to use more of the engine’s power for strong acceleration and raises downshift points to help slow the truck using engine braking." From http://www.gmc.com/trailering-towing/glossary.html |
Transmission oil cooling
On 5/27/2014 3:20 PM, Poquito Loco wrote:
On Tue, 27 May 2014 15:08:46 -0400, "Mr. Luddite" wrote: On 5/27/2014 2:56 PM, Poquito Loco wrote: On Tue, 27 May 2014 14:45:09 -0400, "Mr. Luddite" wrote: On 5/27/2014 2:19 PM, wrote: On Sunday, May 25, 2014 3:04:31 PM UTC-4, Mr. Luddite wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. I'm having a little trouble with "different gear ratios" going down verses going up. There's only one collection of planetary gear sets in an automatic. The ratios don't change. I think I screwed that up. It's not different gear ratios, but rather different shift pressures (when using the tow/haul mode). For example, like the Allison, the Ford Torqshift will sense when going downhill and automatically downshift to apply engine braking on gas engines, saving wear on the brakes. Doesn't apply to diesels, since a diesel has no engine braking. If I set the cruise control to 45 mph (for example) and am in tow/haul mode, the transmission will downshift using the engine to keep the speed there. If the cruise control is not set, but I'm in tow/haul mode, the transmission will sense my slowing down, with or without the brake, and downshift - if, for example, I'm approaching a red light. The Ford Torqshift does the same in Tow/Haul. Only difference is that with your rig being a diesel you don't get any engine braking when going down hills like you will with a gas engine. Perhaps not the same amount, but plenty enough to feel. "TOW/HAUL MODE An innovative tow/haul mode gives automatic transmissions on select models a dual-mode shift program. This feature raises upshift points to use more of the engine’s power for strong acceleration and raises downshift points to help slow the truck using engine braking." From http://www.gmc.com/trailering-towing/glossary.html I don't think the "select models" includes diesels. By their design a diesel engine does not provide "engine braking". However: You probably have GM's “SMART” exhaust brake. According to the same website link you provided: "The new diesel exhaust brake is an innovative standard feature for DURAMAX models. Unlike the traditional “on/off” diesel exhaust brakes, the driver-selectable “smart” brake varies negative torque needed, based on the truckload and grade. This helps reduce brake fade, extends brake life, and gives drivers plenty of confidence when hauling heavy loads downhill." |
Transmission oil cooling
On 5/27/2014 3:08 PM, Mr. Luddite wrote:
On 5/27/2014 2:56 PM, Poquito Loco wrote: On Tue, 27 May 2014 14:45:09 -0400, "Mr. Luddite" wrote: On 5/27/2014 2:19 PM, wrote: On Sunday, May 25, 2014 3:04:31 PM UTC-4, Mr. Luddite wrote: On 5/25/2014 8:25 AM, Poquito Loco wrote: On Sat, 24 May 2014 18:13:59 -0400, "Mr. Luddite" wrote: On 5/24/2014 4:03 PM, Poquito Loco wrote: I'm thinking of putting one of these on the Silverado. Anyone had any experience with the concept of increasing the oil supply to keep it cooler? http://www.ebay.com/itm/PPE-Allison-Deep-Tranmission-Pan-Duramax-Allison-1000-2000-2400-Series-128051000/121345886743?_trksid=p2047675.c100011.m1850&_trkpa rms=aid%3D222008%26algo%3DSIC.MOTORS%26ao%3D1%26as c%3D22855%26meid%3D7132067336503725629%26pid%3D100 011%26prg%3D9833%26rk%3D1%26rkt%3D10%26sd%3D121335 643997 Followup to my last ... I assume your Silverado has a transmission fluid temp gauge as well as an engine temp gauge. My Ford F-250 Super Duty does, I know. If I were noticing higher than normal transmission temps while towing I'd be more inclined to add an axillary transmission fluid cooler rather than just increase the capacity of the transmission pan. If I am not mistaken your truck has the Allison transmission. From what I've heard, it is a superb transmission for towing ... probably the best thing GM has going for it in their trucks. Unless it's getting hotter than normal, I'd leave it alone. Just my humble opinion. Here's an interesting and informative piece about Allison transmissions. I'll probably just leave mine alone for a while. I've never seen the temp get much over 200. http://dmaxstore.com/index.php?main_page=product_info&cPath=16_363&prod ucts_id=668&zenid=2euu9fpbqf4tmumt6ecj7kbu74 The Pace Arrow Class A motorhome we had for a while had an Allison transmission. It was the only thing I liked about the whole rig. Ford sorta copied some of the operating characteristics of the Allison in the "TorqueShift" transmission used in the Super Duty Series. It operates similarly to the Allison, including different gear ratios on the downshifts than the upshifts. One thing common to both that I assume you do ... always use the "Tow/Haul" mode when towing. Otherwise, it *may* get hotter than normal. I'm having a little trouble with "different gear ratios" going down verses going up. There's only one collection of planetary gear sets in an automatic. The ratios don't change. I think I screwed that up. It's not different gear ratios, but rather different shift pressures (when using the tow/haul mode). For example, like the Allison, the Ford Torqshift will sense when going downhill and automatically downshift to apply engine braking on gas engines, saving wear on the brakes. Doesn't apply to diesels, since a diesel has no engine braking. If I set the cruise control to 45 mph (for example) and am in tow/haul mode, the transmission will downshift using the engine to keep the speed there. If the cruise control is not set, but I'm in tow/haul mode, the transmission will sense my slowing down, with or without the brake, and downshift - if, for example, I'm approaching a red light. The Ford Torqshift does the same in Tow/Haul. Only difference is that with your rig being a diesel you don't get any engine braking when going down hills like you will with a gas engine. Modern diesel engines do have engine brakes. http://www.ehow.com/about_6303585_di...ake-work_.html |
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