Question about 2002 Chevrolet S-10

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2002 s10 manual trans 2.2 engine knock (low end?)

Hi, I have a 2002 s10 pickup I just purchased as a fixer up. I just started hearing a low end knock under very light load or revving the engine from idle to about 1500 rpm. I cannot hear it driving down the road and it almost seems intermittent. I can hear it in gear or out or with the clutch depressed. Any ideas/known issues with these engines?

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  • j_falbert Mar 27, 2009

    Well this is where I am at, No codes in the ECM, the compression in the cylinders is within 15 psi of each other and the noise I am hearing seems to be a bearing. I had an oil sample done (no wear showing) and since the noise is fairly quiet and the only way to get to the bearing is to pull the engine... I added some lucas oil and keep driving till I have to pull it. Thanks for the help all.

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Check out your knock sensor , just a thought.

Posted on Mar 07, 2009

  • josh1111 Mar 21, 2009

    not the sensor huh? i would check the compression in the engine next. ive had a few s10 and usually the engines are great. have the cpu scanned too you should get some error code. lemme know how it goes ive got more ideas

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