November 28, 2005I have an 03 Silverado with the 5.3l and have a belt/pulley squeaking. Mostly when it's wet outside and starts to go away when driven for about twenty minutes. I have applied belt dressing and it didn't help. Any suggestions???
Forums : General Tech Questions : Squeaky belt (418 Views)
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November 30, 2005I think it is the A/c idle bearing/ belt. I'm not sure though, if anyone has suggestions please let me know
December 1, 2005Assuming it's a serpentine belt, (one belt drives everything), first thing I'd do is install a new belt. These belts tend to 'glaze' over a period of time. If the problem persists, then I'd install a new belt tensioner. If the spring tension of the tensioner is weak, the belt will slip and cause this noise. If all this fails to stop the squeak, then remove the belt and spin each of the pulleys by hand to find out which one may be causing the problem. ....
December 1, 2005the 5.3 Motor has two belts, the serpentin and an A/C system belt. much smaller and it does look glazed. do you think it is the idler not rolling smooth, to why it glazed. my truck only has 45,000 miles on it??
December 3, 2005I don't know why they 'glaze' so quickly. The only thing I can think of, for the serpentine belt, is that with everything it's turning, there's got to be some slippage every once in a while causing the 'glazing'. With the seperate A/C belt, they 'glaze' because the compressor comes on and off intermittantly when your using either the A/C in the summer, or the defroster in the winter. I've found that Gates brand belts seem to last the longest. ...