1995 Chevy Silverado serpentine belt slipping

Tiny
TBIRDSRUL134
  • MEMBER
  • 1995 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 172,000 MILES
I am having problems with my serpentine belt slipping off the A/C idler pulley on my truck. Originally the Alternator was locking up so I replaced it along with the old A/C idler pulley thinking that would solve the problem. For the most part the belt will stay on but every now and then when I start it up the belt slips off. Could the motor mounts being bad cause this to happen or is there something else I should replace or look at on the truck?
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Tuesday, January 8th, 2008 AT 4:56 PM

2 Replies

Tiny
NO REGRET
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  • 5 POSTS
Did you check the tensioner put a wrench on move it back and forth it should move smoothly, straight and return to its original position on its own
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Wednesday, February 24th, 2021 AT 1:02 PM
Tiny
TBIRDSRUL134
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  • 2 POSTS
It did end up being the tensioner pulley. I replaced it yesterday afternoon and all is running smoothly with no slipping. Thank you for the information.
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Wednesday, February 24th, 2021 AT 1:02 PM

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