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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". |
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