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Re: Differentiating between head gasket and a cracked engine
Posted to Technical Discussion Forum on 1/14/2018

Assumng the nature of your head gasket leak is into a cylinder, I would pull the plugs and pressurize the leaking system. Once you know which cylinder is being leaked into, then put that cylinder to the top and repeat the test. If the leak is now into the cran... Login to read more.