squealing serpentine belt

1990 CHEVROLET TRUCK

190,000 MILES • V8 • 4WD • AUTOMATIC

HEYDEEJ

MEMBER
4 POSTS
FOLLOW

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

Nov 12, 2010 at 2:50 PM

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WRENCHTECH

AUTOMOTIVE REPAIR CONTRIBUTOR
20,761 POSTS

Did you replace the whole tensioner or just the pulley? Are there any coolant leaks?

Nov 12, 2010 at 2:58 PM

HEYDEEJ

MEMBER
4 POSTS

no leaks. just replaced the pulley. the tensioner seems fine, as the belt has good tension.

Nov 12, 2010 at 3:15 PM