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2000 Pontiac Grand Am GT 2dr Coupe

2000 Pontiac Grand Am
Trim Info:
Front Wheel Drive, 2 Door Coupe, Compact
20 mpg city / 32 mpg hwy
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November 14, 2012, 1:30 pm

Bradley M
 

Question: Squealing belt

Hello, I have a 2005 Pontiac Grand Am, v-6. The serpentine belt chirps when it is idling, and when the rpm's are raised it squeals. I've had the belt off 4 times today, checking each pulley, and the tension is good and tight, the belt looks good. The noise seems to be coming from the A/C pulley area, but it makes the noise when the clutch is engaged and when it is not. I replace the idler pulley that is next to the A/C, just to make sure. Any idea's?


November 21, 2012, 1:22 pm

Tyler O
Expert Mechanic

Could be a bad belt regardless of the way it looks. Try a new quality belt.

If it's an auto tensioner, make sure it checks okay. Even if the belt feels tight when it's not running it might not be working properly when it's running.

It could also be excessive load from a component driven by the belt. Again this can't always be accurately checked witht the engine off.


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