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re: Chevy Duramax Coolant Problem Question for OT Mechanics

Posted on 1/12/15 at 9:04 pm to
Posted by AndyCBR
Baton Rouge, LA
Member since Nov 2012
7560 posts
Posted on 1/12/15 at 9:04 pm to
Need to do a leak down test to confirm blown head gasket. But if you are pushing out coolant from the overflow (and not overheating) that is most likely the problem.

A new head gasket on a modern diesel is above the scope of most home mechanics.

Definitely get a quote. If you're around BR, Tricare on Airline specializes in newer diesel repairs.

Posted by Ambassador
West Monroe, LA
Member since Jan 2004
1352 posts
Posted on 1/12/15 at 9:08 pm to
Any recommendations for the West Monroe area?
Posted by crimsonsaint
Member since Nov 2009
37267 posts
Posted on 1/12/15 at 9:17 pm to
I have an 05 GMC 1500 with about 150k miles on it. Guess a couple of weeks ago it started overheating and I had to add coolant. Was a slower leak but now when I park it leaves a big puddle. It's gotten to where every 3 days or so I have to fill it up again. The water pump was replaced about 1-1/2 year and a half ago. Guess it's probably the head gasket?
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