LS1 noise, anyone know what could be causing it?
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Uploader Comments (arturodonate)
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All Comments (6)
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scattered
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Ohhh shit!! Sounds fucked!!
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Damn!!
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I think you bent some valves
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Lifter(s) The "squeaking" sound to me is the giveaway. Had it happen twice. Idiot machine shop didn't check for coil bind. I wouldn't run it until you check things. Good luck.
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FYI for anyone who has a similar problem: After pinpointing that the noise was coming from the drivers' side head, I checked all the pushrods, rocker arms, valve seals, springs, locks, etc, but they were all fine and adjusted to specs.
The problem was a bad lifter. Unfortunately heads have to come off for such a fix, but the labor isn't too bad if you know your way around an engine.
arturodonate 1 year ago