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Old 07-10-2003, 10:21 PM   #1
Dads72
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Join Date: Nov 2002
Posts: 427
Engine gurus

Idle is fine.
Rev it up in park and it shreeks - like a bad bearing someplace.
Think it is either the water pump, the fan clutch, or the alternator.
Before I start throwing parts at it, is there a way to isolate the source of the problem?
If it helps, it only seems to do this when I rev up the engine and then back off of the throttle.
I get the bad sound when I back off.
Thanks
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