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Thread: Squealing serpentine belt

  1. #1
    Hybrid booster
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    Squealing serpentine belt

    I just replaced the serpentine belt (Dayco I think) and it squeals at startup but it eventually will go *almost* go away. Blip the throttle and it comes back.

    Since it's an automatic tensioner, is this a belt thing, a tensioner thing, or a pulley thing?

    Thanks in advance,

    Mike

  2. #2
    Moderator Turbo Mopar Staff Turbo224's Avatar
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    Re: Squealing serpentine belt

    Sounds like a tensioner thing, especially if the belt is brand new. The tensioner should be very firm when you are trying to release pressure from the belt, if it isn't then that's probably your issue. I would definitely inspect the rest of your pulleys though to make sure they all look and sound okay.

    ~Tyler Larsen~Salt Lake City~
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  3. #3
    boostaholic
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    Re: Squealing serpentine belt

    Get yourself a continental elite/Goodyear gatorback belt P/N 4060785. Done!

  4. #4
    boostaholic
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    Re: Squealing serpentine belt

    I second this! Just make sure you have the right part number depending on if the car has AC or not

  5. #5
    turbo addict
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    Re: Squealing serpentine belt

    Does the alternator have new isolator bushings? Old ones let the alternator sit at an angle.
    Great stuff for great cars! Poly engine mounts and bushings at: http://www.polybushings.com

  6. #6
    Supporting Member II Turbo Mopar Contributor DOHCRT's Avatar
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    Re: Squealing serpentine belt

    That's the beauty of the TIII, the alternator is mounted solid, no bushings.


    Vic in Phoenix
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  7. #7
    turbo addict
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    Re: Squealing serpentine belt

    I did not know that. Thanks!
    Great stuff for great cars! Poly engine mounts and bushings at: http://www.polybushings.com

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