Question about 1997 Saturn SL

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When i push down on the gas a loud knocking sound happens sounds like a thrown rod but not quite do you know what it could be?

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  •  Ben S.
    Ben S. May 11, 2010

    Time for a new car?

  • Anonymous Mar 31, 2014

    When I start jeep u can't hear it but if you push on gas you can barely hear it


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  • 186 Answers

Most likely spun rod bearing.You will need a new crank & bearings or another engine.hope this helps

Posted on May 18, 2009

  • Vaughn Schwartz May 19, 2009

    Loud knocking most likey a spun rod bearing,either engine overhaul or reaplacement required.


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We replaced intake gaskets and now its making a loud knocking sound

Good day
which intake gasket need you replace upper or lower, did you remove the push rods if so did you put the right ones in the right place. intake push rod will be marked orange and are shorter, exhaust push rods are marked blue. it almost sounds like you might have put an exhaust into a intake.
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