LS1 Knocking Sound
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Uploader Comments (al2327)
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All Comments (5)
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Definitively a lifter... not every time will be a piston slap or bearing... trust me i just rebuild mine...
have you fixed yet..?
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Sounds like a spun bearing. Stop the engine, maybe you'll mess the crank and more stuff. Take out your oil filter and cut it open. There must be the culprit !
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Sounds like when mine lost a rod bearing.
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maybe a loose rocker, or a lifter.
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Ended up being a bad main bearing. Half of the bearing on main #4 was destroyed/gone.
al2327 3 months ago