Kenworth leaking air

Discussion in 'Trucks [ Eighteen Wheelers ]' started by racer62, May 21, 2014.

  1. racer62

    racer62 Bobtail Member

    9
    2
    May 21, 2014
    0
    Hello,

    I have a 95 kenworth t800. Every time the trailer is not hooked up and brakes are pressed air leaks out of the blue hose on back. Any ideas what this may be?

    Thanks
     
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  3. SmokinCAT

    SmokinCAT Road Train Member

    1,773
    1,488
    Oct 20, 2010
    Hillsboro, OH./ Adrian, MI
    0
    Tractor protection valve.
     
  4. baha

    baha Road Train Member

    4,137
    2,837
    Jul 25, 2013
    ga
    0
    Replace the last valve where blue/red air lines go into tractor/pro/valve under back of sleeper
     
  5. racer62

    racer62 Bobtail Member

    9
    2
    May 21, 2014
    0
    I replaced tractor protection valve and works great. Thanks for the advise
     
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