squeaking/chirping from pulleys

FORD RANGER
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DMAC0923
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i have this constant annoying squeaking/ chirping noise coming somewhere from the accessory pulleys in the serpentine belt set up.
so far ive replaced the idler pulley, belt tensioner assembly, and the alternator.
noise is still there.....sounds similiar to a squeaky wheel on a shopping cart.


2002 ford ranger 4.0 SOHC V-6 auto, 4wd A/C Pwr steering
145,000 miles
Sep 14, 2007 at 12:57 PM
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SERVICE WRITER
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I assume the belt was also replaced. I have a ranger that does the same thing and I have replaced similiar components. I think it an engineering flaw.
Sep 15, 2007 at 5:53 PM