Having air leak trouble

Discussion in 'Ask An Owner Operator' started by Joemunoz, Oct 10, 2021.

  1. Joemunoz

    Joemunoz Bobtail Member

    1
    0
    Oct 10, 2021
    0
    have a 2005 t600 that will pass air to emergency trailer hose while both brake valves are out. Protection valve, brake pedal valve, check valves on brake pedal valve, and dash valve have all been replaced. What else could it be?
     
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  3. heavyexpert

    heavyexpert Bobtail Member

    4
    4
    Oct 16, 2019
    0
    Sounds like a crossed line somewhere look to the firewal manifold find a good diagram and start tracing
     
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