Mv3 valve

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Garold777, Sep 19, 2020.

  1. Garold777

    Garold777 Bobtail Member

    1
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    Sep 19, 2020
    0
    Hi everyone!
    On my KW W900l I have air leak If I push in yellow button it start leaking but when I press break pedal it stops. I check the line and it's going from mv3 valve outside behind dashboard. after awhile I put plastic seal on it so after it's dried I tried push in yellow button again to check air leak so it's make pressure inside mv3 valve and I can't release truck breaks.
    What it can be because it makes me pain!
    Thank you!
     
    Last edited: Sep 19, 2020
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