Question about 1988 Dodge Grand Caravan

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Squealing NOISE possibly from fan belt

Had new belts installed in Jan. Two months ago when putting the heat on turned on the button for it to blow assume this is fan belt; made LOUD squealing sound while driving on freeway. Noise stopped then more recently turning on the AC same horrible loud noise. Assume the fan belt or is it the motor?? Can I just spray it or what does it need??? HELP!!! 1988 dodge caravan. 3.0 6 cylinder engine. squeal under hood. sprinkled comet cleanser (powder) on alternator belt and squeal went away for about 5 minutes then returned. sprayed belt dressing on belt and squeal immediately went away again and returned in 5 minutes.. it only took a few drops so the problem is definitely not a bearing. also put wrench on belt tensioner and increased the tension of the belt by pulling on the wrench handle but the squeal did not go away. I have replaced the belt several times but the squeal comes back after a month or two.. It is noticably worse on damp, rainy days. what can I do.

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  • bingelec1 Dec 22, 2008

    something has happened to my question. the first five sentences were not typed by me. my question starts "1988 dodge caravan...."

    The first response is useless because I already replaced the belts several times and tightened the tensioner to compensate for the belt stretching.

  • bingelec1 Dec 24, 2008

    i rated the comment as inappropriate because it is. I said in my question that i had tightened the belt and it did not help. why then did you say to tighten the belt??? i want to solve my problem, not do something i have already done several times and it didn't work!!

    do not assume i don't want you to work with me to find an answer. i want you to stop being so smart mouthed and give me a solution that works



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Belts stretch from new. Try to tighten them again. Hopefully the are not glazed or this may stay with you.

Posted on Dec 14, 2008

  • Howard Lester Dec 22, 2008

    I am not sure if you know this but we volunteer these answers on our own time.We are not paid for this. We are not beside your car so we rely on your description to base our answer.Since you have deemed my first response as inappropriate I can only assume that do do not want to work with for me to assist you further.I have other suggestions as I work with cars every day. Hope you find the answer.


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REAL SOLUTION: I tried everything from new pulleys, 2 new best same brand. I put on GOOD YEAR GATOR BELT. When I buying this belt I felt that this belt is going to work and in next couple of minutes I read the packaging and it says THE QUITE BELT. I installed this best and BINGO NO MORE SQUEAKING NOISE FINALLY. By the way dressing made my belt erode and stuff from erosion of best stuck on the pulleys. I had to clean and sand it.

Posted on Mar 17, 2010

  • Albert Pierce
    Albert Pierce Apr 12, 2014

    A different way to test if a squeeking belt noise not a bearing is to spray a mist of water in the belt area. If noise stops for a while, it is probably not a bearing,

  • Albert Pierce
    Albert Pierce Apr 12, 2014

    Squeeking serpentine/fan, belt may be due to mis-aligned pully or tensioner. This may happen after a replacement due to faulty part or workmanship.p



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