2000 GMC Sierra Repair Question
Topics covered: Engine, Dealer, Idler pulley.
Mileage: No information provided.
Mileage: No information provided.
Asked on January 30, 2008
2000 GMC Sierra engine pulley noise
I replaced the idler pulley but there is still bearing noise on start up then goes away after the engine is warm.
Asked by wildthingAnswer
Replied on February 1, 2008
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.