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Chirp or squeal by serpentine belt

Tiny
DJLOVE1971
  • MEMBER
  • 2002 BUICK CENTURY
  • 3.1L
  • V6
  • 2WD
  • AUTOMATIC
  • 158,000 MILES
Just recently I have experienced a chirp or a squeal somewhere around the serpentine belt. It only happens when I step on the accelerator. I also noticed a somewhat wobbly idle tensioner. So that's where I'm at now. I need help to diagnose the problem.
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Monday, April 29th, 2019 AT 11:14 AM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

I think you already have. When a pulley wears out they get wobbly like that. It is due to the bearing going bad. When they get this way they need to be replaced and will make the serpentine belt make this noise.

Thanks,
Alex
2CarPros
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Monday, April 29th, 2019 AT 2:12 PM

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