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Peterbilt air brake problems

Discussion in 'Peterbilt Forum' started by Ana truck, Jun 29, 2019.

  1. Jun 29, 2019 #1
    Ana truck

    Ana truck Bobtail Member

    1
    0
    Jun 29, 2019
    0
    A issue hapend on a 2010 peterbilt 386. When air pressure reach the max governor on a compresor the truck brake in self even when drive soon losse pressure stop doing but when building again to max before dryer trough the air brake again on self.
     
    Ana truck, Jun 29, 2019
    Ana truck, Jun 29, 2019
    #1
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  3. Jun 29, 2019 #2
    Michael 247

    Michael 247 Heavy Load Member

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    4,687
    Nov 20, 2017
    Dublin Va
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    I don't understand what you are saying..Post your question in Mechanic Forum...Maybe use less words
     
    Michael 247, Jun 29, 2019
    Michael 247, Jun 29, 2019
    #2
  4. Jun 29, 2019 #3
    GypsyWanderlust

    GypsyWanderlust Medium Load Member

    386
    568
    Jan 1, 2018
    0
    Your English is a bit hard to understand. Do you have a severe air leak on your trailer? If I understand you correctly the “self braking” could be the trailer spring brakes applying when the tractor protection valve cuts off air to the trailer.

    Assuming this isn’t a troll post, have a mechanic check your brake system.
     
    GypsyWanderlust, Jun 29, 2019
    GypsyWanderlust, Jun 29, 2019
    #3
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