HELP!!! Motor knock! - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-12-2011, 06:48 PM   #11
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I agree but it is coming from valve cover area. Any ideas?
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Old 10-12-2011, 06:53 PM   #12
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Hmm, remove the valve cover. I wonder if you have a sticking rocker. or possibly a squeaky spring.
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