2000 Oldsmobile Bravada serpentine belt tensioner

Tiny
SPEEDFREAK88
  • MEMBER
  • 2000 OLDSMOBILE BRAVADA
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 127,000 MILES
I've got a squeling coming from the front end of my vehicle. I'm pretty sure it's the tensioner, but would like to know if there's a sure fire way of checking iit out without removal. I took the belt off, and rotated each component. They all turned without any squel or catch. When I put belt back on, and turned motor on it still squelled, but tensioner kept slightly bouncing up and down as squel pitch seemed to keep pitch with the bounce.
Sunday, January 6th, 2008 AT 6:20 AM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Tensioner sould bounce. May just be a belt problem. Quickly spray a short burst of water, wd-40 or similiar on the belt while it is moving, on the inside and on the outside. If it stops it is a belt problem. You can try using valve grinding compound on the blet to quiet it, but if there are any cracks, just replace it.
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Sunday, January 6th, 2008 AT 6:33 AM

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