Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

Coolant Leak

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Old Jun 1, 2013 | 12:13 PM
  #1  
crowellalex's Avatar
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From: Lancaster, CA
Question Coolant Leak

I have had my 2003 LB7 for a little over a month now. After putting a few thousand Miles on it I noticed coolant was disappearing. After parking it in my driveway for a few weeks now, I am starting to see coolant puddles from under the truck. (Thank god at least its not going into the motor) Problem is I never actually see it leak. It doesn't seem to leak until after the truck has cooled down. A few days ago at work I was actually able to see it dripping but I couldn't pin point from where. It seemed to be dripping off of the front of the transmission towards the backside of the engine bay on the passenger side. Any Ideas of where it could be coming from? All suggestions will be appreciated.

Thanks

Alex
 
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Old Jun 2, 2013 | 08:23 PM
  #2  
IH340Greg's Avatar
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Joined: May 2008
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Check your turbo coolant lines
 
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