2000 GMC Sierra engine pulley noise

Tiny
WILDTHING
  • MEMBER
  • 2000 GMC SIERRA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 236,000 MILES
I replaced the idler pulley but there is still bearing noise on start up then goes away after the engine is warm.
Wednesday, January 30th, 2008 AT 1:14 PM

1 Reply

Tiny
GM4YRS
  • MEMBER
  • 5 POSTS
Check the a/c tension pulley. Hard to see from top, look under truck with plastic shield off. I tried to wd-40 a few times, but sound returned. Bought new one at the dealer.
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Friday, February 1st, 2008 AT 7:35 PM

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