any suggestions (brake valve air leak)

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by thecubantrucker, Nov 12, 2019.

  1. truckdriver31

    truckdriver31 Road Train Member

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    just use a rubber ban on the trolly valve. push trailer knob in and set truck brake. be on level ground. turn key on. do your walk around then. get psi on tanks until it pops air. then turn truck off
     
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  3. truckdriver31

    truckdriver31 Road Train Member

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    if your secondary air gauges goes down. i would put $$$ on the trailer leaking air
     
    Last edited: Nov 13, 2019
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  4. thecubantrucker

    thecubantrucker Light Load Member

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    no I didnt they are connected thr right way
     
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  5. thecubantrucker

    thecubantrucker Light Load Member

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    that's my next move today I will be doing that if a chamber is leaking will I be able to hear it ??
     
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  6. truckdriver31

    truckdriver31 Road Train Member

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    yes
     
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  7. thecubantrucker

    thecubantrucker Light Load Member

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    I got to push both valves in right red and yellow then get that rubber band and pull the trailer hand brake and go back there and see
     
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  8. truckdriver31

    truckdriver31 Road Train Member

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    no. if you did that. the truck can roll away. truck knob out. trailer knob in. then use rubber ban. trolly valve push down with rubber ban to maybe something like trailer knob
     
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