slight screech!! Help me pls

Discussion in 'Freightliner Forum' started by Votto, Jun 27, 2022.

  1. Votto

    Votto Bobtail Member

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    Jun 27, 2022
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    good night, my truck is a dd13 and it has been 2 days since when I accelerate above 1500 rpm a slight screech is heard only when I accelerate above 1500 rpm the truck works well only that slight screech is heard…. What could it be?
     
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  3. Chieftains

    Chieftains Light Load Member

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    Jul 18, 2021
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    Has it been fixed permanently
     
  4. Flat Earth Trucker

    Flat Earth Trucker Road Train Member

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    Nov 19, 2018
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    A fan clutch that is going out will create a screeching sound when it first engages. Just a guess.

    @AModelCat
     
    Big Road Skateboard Thanks this.
  5. 501knight

    501knight Light Load Member

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    Dec 8, 2021
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    Could be either tensioner or the belts to alternator to rule out belts spray water on belts when running if noise stops then I would say its belts, if squeal still there by what you described I would say tensioner pully
     
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