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Old 05-19-2023, 12:38 PM   #6
Accelo
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Join Date: Mar 2015
Location: washington
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Re: Rod Knock when cold - Ever had this happen?

I suspect it's piston slap not a rod knock. The piston warms up and it goes away.
Typically the colder it is and the longer it has sat the worse it is.

My 2000 Silverado has been doing that since it was new and it has 175K on it now.
Cheers
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