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New issue came out...

Discussion in 'Ask An Owner Operator' started by Beaver9, May 30, 2023.

  1. May 30, 2023 #1
    Beaver9

    Beaver9 Heavy Load Member

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    Kenworth T660--
    primary compressed air gauge is reading 120 PSI, and the secondary is reading 102 PSI. When the compressor turns on the secondary gauge won't go past 110 PSI.
    Do you know what the main issue might be causing it?
     
    Last edited: May 30, 2023
    Beaver9, May 30, 2023
    Beaver9, May 30, 2023
    #1
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  3. May 30, 2023 #2
    Beaver9

    Beaver9 Heavy Load Member

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    I'm checking it tomorrow in the daylight.
     
    Beaver9, May 30, 2023
    Beaver9, May 30, 2023
    #2
    Rideandrepair Thanks this.
  4. May 30, 2023 #3
    JB7

    JB7 Heavy Load Member

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    First build up the air till you get the max you can on the gauges. Then shut the truck off and check for leaks at the front of the truck. First with the parking brake applied and then released. The secondary system is for the front brakes. If no leaks, then check the line from the air dryer to the front axle reservoir. You may have a bad gauge or a leak in the line between the tank and the gauge. If there is enough room you could try to swap the lines between the gauges and then see what they read.
     
    JB7, May 30, 2023
    JB7, May 30, 2023
    #3
    Rideandrepair and Vampire Thank this.
  5. May 30, 2023 #4
    Beaver9

    Beaver9 Heavy Load Member

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    Thank you so much! Very helpful info.
     
    Beaver9, May 30, 2023
    Beaver9, May 30, 2023
    #4
    Rideandrepair and Vampire Thank this.
  7. May 30, 2023 #5
    Long FLD

    Long FLD Road Train Member

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    What year is your truck? Could be a bad solenoid if your gauges are electric and don’t have an air line running to them.
     
    Long FLD, May 30, 2023
    Long FLD, May 30, 2023
    #5
    Beaver9, Rideandrepair, JB7 and 2 others Thank this.
  8. May 31, 2023 #6
    JB7

    JB7 Heavy Load Member

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    Laurel, MD
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    JB7, May 31, 2023
    JB7, May 31, 2023
    #6
    Beaver9 and Rideandrepair Thank this.
  9. May 31, 2023 #7
    Condi

    Condi Light Load Member

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    Liquid build up in tanks?
     
    Condi, May 31, 2023
    Condi, May 31, 2023
    #7
    Beaver9 and Rideandrepair Thank this.
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