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1990 Buick Lesabre alternater

Tiny
CTOOL6
  • MEMBER
  • 1990 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 130,000 MILES
The pulley on my alternator is worn out on the inside where it bolts on to the alternator causing sparks when the car is running. Is it possible to replace just the pulley?
Saturday, October 10th, 2009 AT 8:22 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,205 POSTS
The pulley is most likely not the problem, but rather a bearing in the alt that has allowed it to move. Remove the belt to see if there is play in it.

Let me know what you find.
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Wednesday, November 4th, 2009 AT 1:37 PM

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