Brakes Dragging

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Mr Mark, Dec 15, 2017.

  1. Mr Mark

    Mr Mark Bobtail Member

    3
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    Mar 16, 2016
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    have a problem my brakes are not release all the time I hear air back feeding on the dash valve when hooked to a trailer when I push on the brake pedal can hear leak out of quick release changed the quick release valve , relay valve , dash valve also the trailer parking brake when released takes a long time to stabilize when starting from a stop position air starts to back feed also noticed my front air tank drops faster then my rear tank when the truck is shut off
     
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  3. Nestor

    Nestor Light Load Member

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    Oct 21, 2015
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    Did you ever figure it out
     
  4. x1Heavy

    x1Heavy Road Train Member

    34,017
    42,130
    Mar 5, 2016
    White County, Arkansas
    0
    Hell no.

    Not today. give me some time for the medicines to take a hold. Maybe I can get warped enough to understand this.... and I thought I was bad myself.

    I simply do not understand what that particular complaint is all about. To me a airbrake system on a tractor and trailer are pretty specific. But when written like that? I cannot begin to comprehend enough and would not help anyone by trying to untie this... this... gordion knot.
     
    GrapeApe Thanks this.
  5. bowhunter67

    bowhunter67 Light Load Member

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    549
    May 28, 2016
    rush city mn
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    check your cans sounds like you have a hole in 1 of the diaphrams
     
  6. Nestor

    Nestor Light Load Member

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    Oct 21, 2015
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    I have similar prolblem . My brakes drag . I have to press my brake again to release them sometimes. One axle Brake pads are wearing out fast from it grabbing all the time . But only from the outside of brake pad not evenly .
     
  7. DL550CAT

    DL550CAT Road Train Member

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    1,482
    Oct 18, 2009
    Waynesburg, Pa
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    Anchor pins or S-cam and bushings or both.
     
    Oxbow and bowhunter67 Thank this.
  8. OZZ7986

    OZZ7986 Bobtail Member

    5
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    Jan 11, 2022
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    Anybody ever heard of a Volvo truck not wanting to stop when brakes are pressed. The truck continues to power forward and then suddenly snatches to a dead stop.
     
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