2009 Pete 386 brake lights stuck on...

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Akkaid, Jul 3, 2024.

  1. Akkaid

    Akkaid Bobtail Member

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    Oct 26, 2017
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    Hey yall,

    Done replaced switch's before you ask. Even without applying brakes, there is air coming from airline to brake light switch...where is it likely coming from? Tractor protection valve? Bad quick release? Also seems like my steer brakes are wearing fast lately...Peterbilt 386, 2009.
     
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  3. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    Do you have a trailer brake valve on the dash/collumn?
     
    Rideandrepair Thanks this.
  4. Akkaid

    Akkaid Bobtail Member

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    Oct 26, 2017
    0
    Yes sir.
     
  5. BoxCarKidd

    BoxCarKidd Road Train Member

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    What are you driving? Piston sticking on top of foot valve in floor?
     
    Rideandrepair and W923 Thank this.
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