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Antifreeze Type?
"Jeff Morris" wrote in message ... I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? Do you have an owner's manual for the engine? It would probably tell you. Failing that, contact a local Yanmar dealer. Mechanics are a frequent source of misinformation. -- Evan Gatehouse you'll have to rewrite my email address to get to me ceilydh AT 3web dot net (fools the spammers) |
Antifreeze Type?
"Jeff Morris" wrote in message ... I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? Do you have an owner's manual for the engine? It would probably tell you. Failing that, contact a local Yanmar dealer. Mechanics are a frequent source of misinformation. -- Evan Gatehouse you'll have to rewrite my email address to get to me ceilydh AT 3web dot net (fools the spammers) |
Antifreeze Type?
I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am
curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? TIA, Jeff |
Antifreeze Type?
I don't know how color relates to chemicals - but a friend recently
bought a sailboat - turned out it had cooling problems that the test runs didn't point out. It had green antifreeze in it. A lady capt down the dock said you should only put orange antifreeze in marine diesels otherwise they develop cooling problems from some silicate ? pebbles/granules that develop in the coolant - so he drained it and flushed it and sure enough there were handfuls of sand-pebbles clogging it up. So I learned to use orange antifreeze - what do the colors mean?? On Thu, 22 Apr 2004 20:11:48 -0400, "Jeff Morris" wrote: I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? TIA, Jeff |
Antifreeze Type?
I don't know how color relates to chemicals - but a friend recently
bought a sailboat - turned out it had cooling problems that the test runs didn't point out. It had green antifreeze in it. A lady capt down the dock said you should only put orange antifreeze in marine diesels otherwise they develop cooling problems from some silicate ? pebbles/granules that develop in the coolant - so he drained it and flushed it and sure enough there were handfuls of sand-pebbles clogging it up. So I learned to use orange antifreeze - what do the colors mean?? On Thu, 22 Apr 2004 20:11:48 -0400, "Jeff Morris" wrote: I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? TIA, Jeff |
Antifreeze Type?
Dont kinow about the color .
The pebbles and sand are calcium carbonate that 'precipitate' out of the water when it touches the hot engine metal. Use distilled or demineralized water to prevent this. Doesnt matter what color the antifreeze is, if the water get super hot - out come the carbonates! ..... called boiler scale! In article , santacruz wrote: I don't know how color relates to chemicals - but a friend recently bought a sailboat - turned out it had cooling problems that the test runs didn't point out. It had green antifreeze in it. A lady capt down the dock said you should only put orange antifreeze in marine diesels otherwise they develop cooling problems from some silicate ? pebbles/granules that develop in the coolant - so he drained it and flushed it and sure enough there were handfuls of sand-pebbles clogging it up. So I learned to use orange antifreeze - what do the colors mean?? On Thu, 22 Apr 2004 20:11:48 -0400, "Jeff Morris" wrote: I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? TIA, Jeff |
Antifreeze Type?
Dont kinow about the color .
The pebbles and sand are calcium carbonate that 'precipitate' out of the water when it touches the hot engine metal. Use distilled or demineralized water to prevent this. Doesnt matter what color the antifreeze is, if the water get super hot - out come the carbonates! ..... called boiler scale! In article , santacruz wrote: I don't know how color relates to chemicals - but a friend recently bought a sailboat - turned out it had cooling problems that the test runs didn't point out. It had green antifreeze in it. A lady capt down the dock said you should only put orange antifreeze in marine diesels otherwise they develop cooling problems from some silicate ? pebbles/granules that develop in the coolant - so he drained it and flushed it and sure enough there were handfuls of sand-pebbles clogging it up. So I learned to use orange antifreeze - what do the colors mean?? On Thu, 22 Apr 2004 20:11:48 -0400, "Jeff Morris" wrote: I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? TIA, Jeff |
Antifreeze Type?
Orange is the Dex-Cool type extended life antifreeze. That's what I use in
my Lehman diesel, and Bob Smith of American Diesel said that was fine. You still need to change it out every 2-3 years. I flush mine when I do change it. Wet liner diesels need a special antifreeze or an additive to regular antifreeze to stop those little microscopic bubbles from eating away at the liner. -- Keith __ What do you do when you see an endangered animal eating an endangered plant? "santacruz" wrote in message ... I don't know how color relates to chemicals - but a friend recently bought a sailboat - turned out it had cooling problems that the test runs didn't point out. It had green antifreeze in it. A lady capt down the dock said you should only put orange antifreeze in marine diesels otherwise they develop cooling problems from some silicate ? pebbles/granules that develop in the coolant - so he drained it and flushed it and sure enough there were handfuls of sand-pebbles clogging it up. So I learned to use orange antifreeze - what do the colors mean?? On Thu, 22 Apr 2004 20:11:48 -0400, "Jeff Morris" wrote: I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? TIA, Jeff |
Antifreeze Type?
Orange is the Dex-Cool type extended life antifreeze. That's what I use in
my Lehman diesel, and Bob Smith of American Diesel said that was fine. You still need to change it out every 2-3 years. I flush mine when I do change it. Wet liner diesels need a special antifreeze or an additive to regular antifreeze to stop those little microscopic bubbles from eating away at the liner. -- Keith __ What do you do when you see an endangered animal eating an endangered plant? "santacruz" wrote in message ... I don't know how color relates to chemicals - but a friend recently bought a sailboat - turned out it had cooling problems that the test runs didn't point out. It had green antifreeze in it. A lady capt down the dock said you should only put orange antifreeze in marine diesels otherwise they develop cooling problems from some silicate ? pebbles/granules that develop in the coolant - so he drained it and flushed it and sure enough there were handfuls of sand-pebbles clogging it up. So I learned to use orange antifreeze - what do the colors mean?? On Thu, 22 Apr 2004 20:11:48 -0400, "Jeff Morris" wrote: I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? TIA, Jeff |
Antifreeze Type?
On Thu, 22 Apr 2004 20:11:48 -0400, "Jeff Morris"
wrote: I'm in the middle of changing the antifreeze in my Yanmar 2GM20FC engines and am curious if I should change type. I've been using Ethylene Glycol, following the advice of a Yanmar mechanic who said using Propylene Glycol would void my warranty. I've never been able to verify that, and I'm now long out of warranty so I'm wondering if its time to switch to the more environmentally friendly Propylene. I also think that using the easy to dispose propylene would encourage me to change more frequently. Secondly, if I do change, do I have to flush out all of the old, or is it sufficient to just drain it? TIA, Jeff I'm curious, my Yanmar manual says to use water. My boat came with the orange/pink antifreeze, though. I'm not in an area where freezing is a risk so I have added occasional water. Gotta find that leak.... |
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