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1990 Chevy Van Serpintine belt

Tiny
AIRJUAN2010
  • MEMBER
  • 1990 CHEVROLET VAN
  • V8
  • 2WD
  • MANUAL
  • 13,900 MILES
My sepintine belt keeps falling off ill tighten last a couple of days then I go start it and it falls of all pullys seem fine should I bypass the a/c pulley will that work im out of reasons why it keeps falling off
Saturday, August 21st, 2010 AT 8:03 AM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
It's falling off because there is a problem with one of the pulleys. It may be an alignment issue or there may be wear in one of the components that allows to pulley to tilt at an angle which will cause the belt to migrate right off the edge.
You need to install the belt and then examine it very closely. Look for one pulley that's not in alignment or one where the belt seems to be traveling to one side. It usually requires the tension of the belt to expose thiss issue.
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Saturday, August 21st, 2010 AT 8:54 AM
Tiny
AIRJUAN2010
  • MEMBER
  • 6 POSTS
Thanks for answering my Question I will look very closley wish me luck
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Sunday, September 5th, 2010 AT 9:26 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Good luck. Let us know what you find.
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Sunday, September 5th, 2010 AT 9:28 PM

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