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Airbags won’t air up

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Mohtrucker, Jan 29, 2021.

  1. Jan 29, 2021 #1
    Mohtrucker

    Mohtrucker Light Load Member

    135
    188
    Oct 20, 2019
    0
    05 freight liner Columbia my airbags all four of them won’t build up air . I’m not losing air pressure while truck is running or off so I’m trying to figure what the problem might be . I’m in Minneapolis Minnesota headed to Detroit MI if any of you guys can recommend a shop that can solve this issue
     
    Mohtrucker, Jan 29, 2021
    Mohtrucker, Jan 29, 2021
    #1
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  3. Jan 29, 2021 #2
    bigbyrc

    bigbyrc Light Load Member

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    Nov 27, 2017
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    Get to the back end of frame, look on drivers side at the leveling rod(A 1'.5"Ft rod), mine broke going through shi-ty New Orleans and so I had to go to TA and get a new airbag leveling rod and replace the box too... $600 (Too darn much) (2.5 labor hrs+ parts)
    *** #IT KEEPS THE AIR BAGS SET AT YOUR NEEDED HEIGHT LEVEL!!!!
     
    Last edited: Jan 29, 2021
    bigbyrc, Jan 29, 2021
    bigbyrc, Jan 29, 2021
    #2
    Farmtractor9900 Thanks this.
  4. Jan 29, 2021 #3
    ChuckMartel

    ChuckMartel Light Load Member

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    Jan 22, 2021
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    And if your levelling rod looks good you need to make sure the supply airline to the valve has air at it. Could be something froze up.
     
    ChuckMartel, Jan 29, 2021
    ChuckMartel, Jan 29, 2021
    #3
    Farmtractor9900 Thanks this.
  5. Jan 30, 2021 #4
    baha

    baha Road Train Member

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    Jul 25, 2013
    ga
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    If you have a dump valve on dash flip it to dump then flip it to ride and get around to air bags too see if hear any air leaking, you may have a big hole in one, or air ride valve is bad and needs to be replaced?
     
    baha, Jan 30, 2021
    baha, Jan 30, 2021
    #4
  7. Jan 30, 2021 #5
    bigguns

    bigguns Road Train Member

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    Jun 13, 2013
    Omega,GA
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    Moisture frozen somewhere in the supply to the air valve or in air valve.
    Disconnect the rod and swing the arm down to see if the bags fill.
     
    bigguns, Jan 30, 2021
    bigguns, Jan 30, 2021
    #5
    baha Thanks this.
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