air leak while driving

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

  1. Another Canadian driver

    Another Canadian driver Heavy Load Member

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    No, you are wrong about it.
    This is how it works.
    All brakes they have a spring that is activating the brakes when parked.
    When you supply air by pushing both dash buttons in there
    is an air activated membrane that compresses the springs.
    Compressing the springs releases the parking brakes.
    The wheels are free rolling. Now, if a membrane cracks and start leaking
    while driving, it will slowly remove the pressure on the spring.
    The spring will push the brakes ON and the whole axle starts to drag on the tires.
    Do you understand now how it works and how to check it for leaks?
     
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  3. Ikamob01

    Ikamob01 Light Load Member

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    Ok. Will do that 1st thing in the morning.
     
  4. Another Canadian driver

    Another Canadian driver Heavy Load Member

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    Ok. As a courtesy please come back with an update and let the Forum posters know.
    It may help other drivers with similar issues. You may be surprised how often it happens.
    Good luck.
     
  5. 201

    201 Road Train Member

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    Maybe lay off the truckstop enchiladas,,:biggrin_2554: see if that helps. Sorry, these posts are always so silly,,
     
  6. Another Canadian driver

    Another Canadian driver Heavy Load Member

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    Never give up on the Mexican food.
    Rule #1 in trucking.
    You should know better.
    I strongly recommend the food truck at Ocean Mist Castroville CA.
    Best food truck ever. No bull.
     
    201 Thanks this.
  7. lester

    lester Road Train Member

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    Simulate driving conditions, truck not running but key on, chock the wheels and release the brakes. Then listen.
    I've had a fan clutch throw me for a loop with air leak before too. Some require air to engage some require air to release
     
  8. 201

    201 Road Train Member

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    I don't know, I'm a pretty picky eater. Mexican food always smelled like the HS locker room to me,,:puke:
    Getting back, maybe the "air leak" is the cab or air suspension exhaust.
     
  9. Ikamob01

    Ikamob01 Light Load Member

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    Not true.
     
  10. Another Canadian driver

    Another Canadian driver Heavy Load Member

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    What's your favorite food then?
    Made by you, seasoned by you and eaten by you, I guess?
     
    Dadetrucking305 Thanks this.
  11. 201

    201 Road Train Member

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    Pizza,,
     
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