Air pressure issue

Discussion in 'Trucks [ Eighteen Wheelers ]' started by jackhicks46290, Jan 26, 2016.

  1. jackhicks46290

    jackhicks46290 Bobtail Member

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    Jan 13, 2016
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    I have a 2006 International 8600. I replaced leveling valve and air governor, plus by-passed air dryer and my air pressure builds to 90 lbs and drops to 60. It won't let the air bags fill up. Please help...
     
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  3. Bakerman

    Bakerman Road Train Member

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    I had this problem on a trailer. The solenoid that releases the air for the bags had to be replaced.
     
  4. supersnackbar

    supersnackbar Road Train Member

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    Your air governor is connected to your dryer so it knows when to open and close. Without air to the dryer, the governor has no return air pressure to gauge how to operate. Plus w/o a dryer you will have tons of moisture in the air system. And especially this time of year, that's bad
     
  5. jackhicks46290

    jackhicks46290 Bobtail Member

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    Jan 13, 2016
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    The pressure is retuining to the governor. I had this problem befor I did any work to it.. The air won't go past 90
     
  6. tnevin225

    tnevin225 Road Train Member

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    Have you considered it may be a bad compressor?
     
  7. jackhicks46290

    jackhicks46290 Bobtail Member

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    Jan 13, 2016
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    But why would the air pressure be back feeding through the governor?
     
  8. pigeon river trucking

    pigeon river trucking Light Load Member

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    Jan 1, 2016
    michigan
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    If it is dropping back to 60 sounds like a air leak
     
  9. 6wheeler

    6wheeler Road Train Member

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    Air release value on dryer. Search you tube for air pressure release value, 2 minute video will fix problem. Seals are cold, you can take it apart and find replacement seals at Lowe's in the plumbing
     
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