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2002 Pontiac Grand Am Question: No engine cylinder compression after replacing broken timing chain on car.



donnie56, Jasper, TN, June 23, 2012, 17:42

no compression on any cylinder.

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  • Answer #1

    Miles Auto Services (884 Answers) , Richmond, VA - (804) 885-4176
    milesauto June 23, 2012, 21:27

    Assuming chain is installed properly it would mean that valves were bent due to pistons coming in contact with them when the chain failed.

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