Best Method For Testing Head Gasket Leak - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #1 of 3 (permalink) Old 08-11-2012, 08:01 PM Thread Starter
Join Date: Jan 2012
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Best Method For Testing Head Gasket Leak

Truck looses coolant only when towing after about 3 hrs to the point of needing more, when it sits theres never any coolant leaking on the ground
we have had 3 mechanics try and figure it out but none of them can and it does not have the solid upper rad hose after use
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post #2 of 3 (permalink) Old 08-11-2012, 08:43 PM
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How to: Head Gasket Problemsolving

Paul in VT

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post #3 of 3 (permalink) Old 08-11-2012, 08:46 PM
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cup could have unseated under the injector...

CCSB LB7 4x4
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