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Archive for ‘engine knock’


Knock Knock….It’s Your GM Engine Knocking

June 07, 2012 By: LemonLaw Category: cadillac, chevrolet, engine knock, GM, gmc

It’s a problem we have seen for over a decade– a piston slap and engine knock on cold start with various General Motors vehicles. Now, the latest technical service bulletin is out and it includes 2012 models as well.  Here’s a copy of the TSB courtesy of our friends at pistonslap.com (website no longer available,… Read More