Noise when idling

Tiny
OREGINAL58
  • 1991 OLDSMOBILE 88
  • 180,000 MILES

My 1991 Oldsmobile 88 Royale is making a noise that sounds like a fan blade hitting something when it idles, the noise stops when I accelerate. Any idea what might be the problem?

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Sunday, July 1st, 2012 AT 4:26 PM

3 Replies

Tiny
CARADIODOC
  • EXPERT
  • 26,041 POSTS

You need someone to look under the hood to search for the source of the noise. If it's not obvious or easy to spot, use a stethoscope. Idler pulleys for the serpentine belt would the typical first thing to check.

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Sunday, July 1st, 2012 AT 4:41 PM
Tiny
OREGINAL58
  • MEMBER

It does seem to be coming from that area, specifically the alternator area. A friend suggested it could be the bearings in the water pump, could that be the problem?

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Sunday, July 1st, 2012 AT 4:54 PM
Tiny
DJCL
  • EXPERT
  • 786 POSTS

Remove the belt and spin them by hand also rock them to feel fore bearing play

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Sunday, July 1st, 2012 AT 5:29 PM

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