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Engine Noises

Tiny
91V83Y
  • MEMBER
  • 1999 OLDSMOBILE 88
  • 144,000 MILES
(99 olds 3800) At startup, runs perfect. After good warmup, noise develops. Bearing-ish. Very strong by stethascope @ oil filter adapter. Remains with serp. Belt removed. Had gone away after fresh oil change then returned recently. Harm. Bal. Has a little click when wiggled. Oil pump? Timing chain? Oil pump is my guess but I'm looking for feedback. Thanks.
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Tuesday, December 27th, 2011 AT 4:53 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
What engine? Have your oil pressure manually checked to see what it is. It could be anything you have listed as we can't hear it. Or have apro listen to it and give his opinion.
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Tuesday, December 27th, 2011 AT 6:23 PM

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