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2002 Pontiac Grand Am

 

Question: No engine cylinder compression after replacing broken timing chain on car.

Question

donnie56, Jasper, TN, June 23, 2012, 14:42
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no compression on any cylinder.

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  • Answer #1

    milesauto from Miles Auto Service Inc., June 23, 2012, 18:27
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     Master

    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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