Advanced Preliminary Head Gasket Testing – 2009 Lexus RX350

mario rojas

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This video is meant to show how to test a head gasket failure using a scope and pressure pulse sensors to lead you to a definitive diagnosis. Of course, this is meant to take to the next step in your diagnosis(leak down) but can help to confidently seek approval from the client to take that next step. This test also really shines when you have a very subtle head gasket leak! Vehicle in question could not be topped off due to a leaking radiator.

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