Scratching/whining noise from floor

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by ninehk, Aug 31, 2024.

  1. ninehk

    ninehk Bobtail Member

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    I have a peterbilt 379 with a 18 speed, I’m getting a scratching/whining noise from the floor/ dash area the whining will start once I get onto 17th gear (50-60mph) and accelerate lightly, it will stop temporarily if I’m braking, any ideas ?
     
    ninehk, Aug 31, 2024
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  2. little cat 500

    little cat 500 Road Train Member

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    ran over a cat maybe ?
     
    little cat 500, Sep 2, 2024
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  3. Heavyd

    Heavyd Road Train Member

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    exhaust or boost leak.
     
    Heavyd, Sep 2, 2024
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    Rideandrepair Thanks this.