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1996 chevy lumina knocking noise

I have a knocking noise it seems to be coming from inside the place where the oil gets pored into
what would this be and is it an expensive job to fix?

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  • dbdcleaning May 22, 2009

    What would cause this to happen?

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  • Master
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Your valves are knocking. It can be a fairly expensive job being that you may need to replace the valves. But this could also be your injectors. So it is hard to say the exact problem but it is one of the two and both can be costly to repair at least 500 if nothing needs replacement just adjustment

Posted on May 22, 2009

  • Jeremy Reddick
    Jeremy Reddick May 22, 2009

    Valves to knock is because the valves races are going bad. The injectors is because they are dirty and just need to be cleaned

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