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Old 01-29-2020, 02:09 PM   #50
can0fspam
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Join Date: Mar 2019
Location: South Carolina
Posts: 57

1999 SL2
Default Re: Unknown engine noise when cold

For documentation purposes:
I replaced the timing chain and the noise disappeared entirely. I haven't yet diagnosed what part of the timing set went bad. I'm guessing it was the tensioner because it wasn't quite fully extended (so the chain probably wasn't too long). The guides were both worn in pretty deep too.

If your car makes a noise like my videos - even if you remove the serpentine belt - it's probably your timing chain.

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