Generation III Internal Engine 1997-2006 LS1 | LS6
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rocker knock

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Old 01-02-2007, 05:11 PM
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Default rocker knock

just wondering i started up my 00 ws6 today and noticed that it sounds like someone chattering there teeth really fast together. Its not really loud but noticeable. Is this rocker knock? Or maybe coils clicking on and off. Its definitly coming from valve cover area. Also is this normal or should i check into it. Motor has 91,000 on it.
Old 01-02-2007, 05:45 PM
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lifter, injector noise maybe?




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