air leak while driving

Discussion in 'Ask An Owner Operator' started by Ikamob01, May 11, 2022.

  1. Ikamob01

    Ikamob01 Light Load Member

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    Airleaks while driving but I have checked both tractor and trailer for air leaks but no airleaks.
     
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  3. Jacoooooooo

    Jacoooooooo Medium Load Member

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    You have to be more specific. So far you said you have an air leak but there’s no leak.
     
  4. Another Canadian driver

    Another Canadian driver Heavy Load Member

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    Check the fan clutch. Or ask a technician to do it.
    If it's air driven and leaks you won't detect it in your pre-trip.
    Good luck.
     
    Dadetrucking305 Thanks this.
  5. Ikamob01

    Ikamob01 Light Load Member

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    Air leak when I'm driving.
     
  6. Ikamob01

    Ikamob01 Light Load Member

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    What might be wrong with the clutch?
     
  7. Another Canadian driver

    Another Canadian driver Heavy Load Member

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    Leaks air only when it engages the fan to rotate.
    Check to see if the air leaks only when the fan engages.
    It should be easy to find if you know what to look for and when.
     
  8. Ikamob01

    Ikamob01 Light Load Member

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    How do I check that. I think you might be right. So you are trying to say that the clutch might have an air leak?
     
  9. Another Canadian driver

    Another Canadian driver Heavy Load Member

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    Another reason for air leaks while driving is a maxi chamber failing on the tractor or the trailer.
    It happens only when driving.
    It can be detected by applying air supply to both units, by pushing in both yellow and red buttons on your dash.
    Before doing it block the wheels and have the equipment on a flat ground.
    You don't want it rolling over you, when you go and check all your brakes, one by one.
    If a maxi is about to fail you will hear a whistle in the air ducts going to the dash buttons.
    You have turn off the radio in your cab to hear it.
    You should stop driving immediately if you suspect a failing maxi chamber.
    If it fails it'll block an axle by applying the parking brake and you'll destroy 4 tires by dragging them on the ground.!!!
    Any other questions?
     
  10. Another Canadian driver

    Another Canadian driver Heavy Load Member

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    Yes, it may be an air leak at the fan.
    Or a maxi chamber starting to fail.
    Please read my next message about the brakes and how to inspect them.
     
  11. Ikamob01

    Ikamob01 Light Load Member

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    But I'd it's chamber you should know when you apply the brakes?
     
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