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I have installed an Autozone Duralast alternator.

Tiny
CAPRI
  • MEMBER
  • 1992 MERCURY CAPRI
  • 170,000 MILES
I have installed an Autozone Duralast alternator(lifetime warranty) multiple times. They only last a few thousand miles and start sqealing or breaking belts. What is the best brand alt. I can get in new or reman?
Friday, December 14th, 2012 AT 1:36 PM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The ones you buy should be remanufactured, take a straight edge and see if your belt is in line and not have a spacermissing or incorrectly placed.
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Friday, December 14th, 2012 AT 3:14 PM
Tiny
CAPRI
  • MEMBER
  • 2 POSTS
I think the bearing/bushing in the Duralast alternator is going out. I replaced the belt and still had a squealing noise(lights and heater fan on) when the throttle was increased. I installed a new alternator from NAPA and Gates XL cogged belt. No noise or issues. Let's see how long this one lasts.
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Wednesday, January 2nd, 2013 AT 2:41 PM

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