Question about 2003 Dodge Caravan

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My 2003 dodge caravan has a high pitch whistle coming from the back end. what could it be

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If you have a rear air conditioner, the whistle is likely coming from there, and it will require professional troubleshooting and repair.

Bill B

Posted on Sep 04, 2010

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I have the same problem like yours but what i did is to replace the alternator and now its so quite no more high pitched sound. You may used belt stress fluid but its only last for few seconds then sound comes again. I replaced it with refurbish part alternator.My sienna 2005.

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