Volvo initial brake pressure loss

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by FabbaNocha, May 18, 2022.

  1. FabbaNocha

    FabbaNocha Bobtail Member

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    Jan 20, 2022
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    Volvo initial brake pressure loss setting off buzzer when applying foot to pedal.
    It quickly recovers, almost instantly, but the initial pedal feel is weak, so it's not just the gauge and buzzer that freaks me out.
    Anybody else had this before?
     
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  3. baha

    baha Road Train Member

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    Get a shop a shop man to stand at foot valve when you ease the brakes on, to ck for it leaking out of air vent in foot valve?
     
  4. baha

    baha Road Train Member

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    Get a shop man to stand at foot valve when you ease the brakes on, to ck for it leaking out of air vent in foot valve?
     
  5. baha

    baha Road Train Member

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