Noise when idling

1991 OLDSMOBILE 88
180,000 MILES
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OREGINAL58
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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?
Jul 1, 2012 at 4:26 PM
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CARADIODOC
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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.
Jul 1, 2012 at 4:41 PM
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OREGINAL58
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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?
Jul 1, 2012 at 4:54 PM
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DJCL
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  • 767 POSTS
  • ASE Certified Mechanic
Remove the belt and spin them by hand also rock them to feel fore bearing play
Jul 1, 2012 at 5:29 PM
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