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2002 Chevy Truck repair

Tiny
KATHY J
  • MEMBER
  • 2002 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
Recently replaced the alternator, now have a roarin sound, like big tires on the road. So now do I need to replace idler pulley bearing on 2002 chevy silverado? Thx, kathy j
Saturday, January 22nd, 2011 AT 4:54 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Kathy:
If the sound wasn't there before you replaced the alt, chances are you got a bad alternator. Remove the belt and spin the pullies to see if you can duplicate the noise.
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Monday, February 14th, 2011 AT 4:37 PM

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