Question about 2006 Hyundai Accent

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I have knocking under my vavle cover what could be the problem

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  • Eliezer Miller May 11, 2010

    the car is still under warranty at the dealer this sounds like an upper engine problem

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  • 523 Answers

If it is a heavy knock it sounds mechanical and I'd have it checked before something bad goes. If it is that of a clicking sound I expect it is a sticking, failed or failing valve lifter. Given the year of your car this may be under warranty in your power train warranty,
I hope this may have helped,
Tom

Posted on Sep 23, 2009

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Posted on Jan 02, 2017

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  • 6 Answers

SOURCE: the motor on my 2004 chevy cavalier has just

if i sounds like lifter noise try adding lucas oil treatment

Posted on Oct 13, 2009

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Knocking


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