Trailer brakes smoking

Discussion in 'Ask An Owner Operator' started by Truckerjay23, Sep 6, 2021.

  1. Truckerjay23

    Truckerjay23 Bobtail Member

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    Sep 6, 2021
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    I have a 05 century, I’m having a problem with every trailer i pull. It either smokes the tires or lock them up. I changed out everything but the compressor. Need help
     
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  3. Cattleman84

    Cattleman84 Road Train Member

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    Sure your not hooking up the air lines backwards?
     
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  4. baha

    baha Road Train Member

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    Does the pigtail have power to the trailer brake anti/lock ?
     
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  5. Old Man

    Old Man Road Train Member

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    Maybe your truck brakes are crap and the trailer is doing all the stopping.
     
  6. sealevel

    sealevel Road Train Member

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    Gotta be some valve applying too much air to the wrong place on the tractor. @Hammer166 is a encyclopedia on such things.
     
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  7. AModelCat

    AModelCat Road Train Member

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    Go out to the truck. Build air to cutout and shut off the truck. Leave the park brakes set. Step on the brake pedal about 1/2 way and release. Go out and immediately disconnect the service (blue) gladhand. Let us know if there's air in the line or not.
     
  8. truckdriver31

    truckdriver31 Road Train Member

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    stop riding your brakes.
     
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  9. Hammer166

    Hammer166 Crusty Information Officer

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    Everything? That's a lot of parts...

    SmartSelect_20210906-210008_Chrome.jpg

    3 quick possibilities come to mind.

    1. As @Old Man suggested, are the truck brakes doing their share of the work?

    2. The foot brake valve is fubar'd and dumping full pressure in one circuit. That would also be hitting the steer axle brakes hard.

    3. I suppose it's possible something screw ball is happening in the Tractor protection valve, but I'm not seeing how it could. There's definitely service and supply in that same valve though.

    We really need to know what was changed, though.
     
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  10. truckdriver31

    truckdriver31 Road Train Member

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  11. Jacoooooooo

    Jacoooooooo Medium Load Member

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    Time for a new truck.
    Just maybe.
     
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