LTL 9000

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Ac guy, Feb 20, 2016.

  1. Ac guy

    Ac guy Bobtail Member

    17
    1
    Feb 20, 2016
    0
    I have a1997 ltl9000 that sometimes in cold weather after dropping the air bags they won't come back up eventually they will i have checked the connections at the solinoid and they seem fine
     
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  3. mnmover

    mnmover Road Train Member

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    Apr 5, 2009
    Lichfield MN
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    Have you drained the moisture out of the air system lately? Perhaps a small dose of air brake antifreeze may help as well. Is this a system where you have an electrical sensor dump the air?
     
  4. Ac guy

    Ac guy Bobtail Member

    17
    1
    Feb 20, 2016
    0
    I drain the tanks daily i have a manual switch where would I add the antifreeze on the tractor i know where for the trailer
     
  5. dumptruck89

    dumptruck89 Light Load Member

    79
    106
    Feb 27, 2015
    MA
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    Put the antifreeze anywhere in the system past the air dryer, I had a Pete 379 were the air dryer wasn't working and the water all seemed to end up in the air suspension feed line. Try draining all the air out of the air tanks and use a funnel to get the antifreeze into each air tank
     
  6. Ac guy

    Ac guy Bobtail Member

    17
    1
    Feb 20, 2016
    0
    Ok thanks i will try that
     
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