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Thread: Help! Squeaky noise...
01-29-2012, 09:10 AM #1
- Join Date
- Jan 2012
Help! Squeaky noise...
I recently bought an 04 chevy 2500hd 6.0L with 97k. When I test drove it, everything seemed fine. When I got underneath the truck, I noticed a water pump leak. Long story short, they replaced the water pump and I bought it. After driving it for a few miles, it sounded like the belts/pulleys were squeaking. I replaced the serpentine belt, ac belt, tensioner pulley, and idler pulley. This fixed it... for a few miles. Now it squeaks again. When I rev the motor it squeaks louder than when idling (not sure if that's important). Let me know if there is something I am missing! Thanks.
04-10-2012, 11:07 AM #2
- Join Date
- Mar 2012
It almost sounds like you may have the serpentine belt too loose. Try increasing the tension on the belt via the tensioner pulley. If it's not that it could be a bad bearing somewhere along the belt path. The most common place for bearing to go bad is at the tensioner pulley, but you said you replaced that so I'm not sure where it would be.Pete "Cujo" Clark
2000 GMC Sierra 1500 Z71 5.3L
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