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2003 squeaking noise while engine idle (park or stopped at red light)

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Old Oct 7, 2010 | 07:20 PM
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2003_Cavaran
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Default 2003 squeaking noise while engine idle (park or stopped at red light)

2003 Caravan 3.3 . It's OK during normal driving. But when I stop the car at red light or stop sign, I can hear the noise from front of the car at passenger side. The noise will continue if I switch gear to "park" while engine is still running. As soon as I move the car, the noise will disapper. The noise would get louder when AC is on. But the annoying part is that the noise doesn't happen every time. There is absolutely no noise every time I take the car to a mechanic, which makes it difficult to troubleshoot.

Serpentine belt, tensioner and water pump have been replaced. No improvement Any suggestions?
 

Last edited by 2003_Cavaran; Oct 7, 2010 at 08:48 PM.
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Old Oct 8, 2010 | 10:32 AM
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Remove the fan belt and see if the noise is gone. I have notice the alt has been a cause of some noises.
 
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