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Thread: egine knock?
          
   
   

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  1. #11
    8.1dually's Avatar
    8.1dually is offline CHR Member Visit my Photo Gallery
    Join Date
    Dec 2005
    Location
    montrose
    Car Year, Make, Model: 1995 chevy dually
    Posts
    6

    In my mere 40 years in the automotive repair business I have seen this hundreds of times.

    1. A cracked flexplate don't go away.
    2. a wrist pin knocks worse when hot than cold
    3. Too light of oil allow clearence problems to be heard while an engine is in the warm up.

    This symptom has all the right signs of being a poorly fit piston(piston slap). As long as the knock goes away fairly quickly, it will not be a problem.

    I have seen the vast majority of these engines go well over 100,000 miles with adequate warm up.
    Last edited by 8.1dually; 12-11-2005 at 07:01 AM.

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