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Squealing serpentine belt

Tiny
HEYDEEJ
  • MEMBER
  • 1990 CHEVROLET TRUCK
  • V8
  • 4WD
  • AUTOMATIC
  • 190,000 MILES
I have changed both the idler pulley and the tensioner pulley yet the belt continues to squeak. If I put an expensive belt on, it will be quiet for a few weeks but will eventually start squealing too.
This is a 1990 chevy 1500 4x4
Friday, November 12th, 2010 AT 2:50 PM

2 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
Did you replace the whole tensioner or just the pulley? Are there any coolant leaks?
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Friday, November 12th, 2010 AT 2:58 PM
Tiny
HEYDEEJ
  • MEMBER
  • 4 POSTS
No leaks. Just replaced the pulley. The tensioner seems fine, as the belt has good tension.
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Friday, November 12th, 2010 AT 3:15 PM

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