Chevy/GMC Duramax 04.5-05 LLY Discussion of Chevy and GMC Trucks with LLY Duramax Turbo Diesel Engines

COOLANT LEAK, NEED HELP!

Old May 30, 2011 | 09:40 PM
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Question COOLANT LEAK, NEED HELP!

I have a coolant leak, found the leak, now i need to know where i can get a illistruated parts breakdown of the engine, so i can figure out the gasgut, or part i need. attached are pics of the leak.

COOLANT LEAK, NEED HELP!-dsc02713.jpg

COOLANT LEAK, NEED HELP!-dsc02712.jpg

COOLANT LEAK, NEED HELP!-dsc02711.jpg

COOLANT LEAK, NEED HELP!-dsc02710.jpg
 
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Old May 31, 2011 | 08:23 AM
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possibly the waterpump
 
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Old May 31, 2011 | 12:40 PM
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too far to the right (top view) to be the water pump. i'm fairly certain its a gasgut, but i need to know where i can find a parts illisration so i know which gasgut to get, unless its one of those things where i can put some "make a gasgut" on it and call it good.
 
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Old Jun 1, 2011 | 04:28 AM
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Since that gasket would be under pressure, you probably want a solid one. You should be able to go to the dealership and get the correct gaskets. X2 on the water pump. Take the lower rad hose off and check for play in the impeller with a screwdriver. I think AllDataDIY.com might have an illustration, but otherwise I think you'd have to get a factory manual.
 
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Old Jun 1, 2011 | 01:00 PM
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Originally Posted by cbsmoraine
too far to the right (top view) to be the water pump. .
You do know the water pump is not attached to the fan pully, correct? it is a bit to the dr side of the engine and internally gear driven. Kind of exactly where you made a circle in your first pic.

http://econtent.autozone.com:24991/z...52801cac68.gif

http://ww2.justanswer.com/uploads/Sp...weffwfewef.gif
 

Last edited by Rttoys; Jun 1, 2011 at 01:03 PM.
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Old Jun 1, 2011 | 04:58 PM
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Originally Posted by Rttoys
You do know the water pump is not attached to the fan pully, correct? it is a bit to the dr side of the engine and internally gear driven. Kind of exactly where you made a circle in your first pic.

http://econtent.autozone.com:24991/z...52801cac68.gif

http://ww2.justanswer.com/uploads/Sp...weffwfewef.gif
Yep thats it, the "just answer" site is an exact pic of what i am looking at. called the dealership and they have the gasgut for $5.86........ looks like i have a long weekend ahead of me. Next question is, how much coolant will the entire system hold? im guessing somewhere around 3 gallons but if anyone has any better insight, please run it by me.
 

Last edited by cbsmoraine; Jun 1, 2011 at 05:02 PM. Reason: stuff
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