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#### air releasers

Discussion in 'Questions From New Drivers' started by Slargtarg, Sep 8, 2017.

Page 1 of 2
  1. Sep 8, 2017 #1
    Slargtarg

    Slargtarg Light Load Member

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    Apr 28, 2015
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    So some guy just parked in the slot next to me.

    Very loud air releases every 5 seconds.


    Most trucks release air like this while idling occasionally, but this is ##### ridiculous.

    What the hell causes this to be this frequent and loud? I've seen this problem before in other trucks.

    Probably no sleep tonight.
     
    Slargtarg, Sep 8, 2017
    Slargtarg, Sep 8, 2017
    #1
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  3. Sep 8, 2017 #2
    WesternPlains

    WesternPlains Road Train Member

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    53,306
    Sep 1, 2017
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    There's a over pressure valve on the air dryer. It's bad. He shouldn't be driving. Should have it fixed asap.
    I'd move. It's gonna keep going until the air tanks are empty.
     
    WesternPlains, Sep 8, 2017
    WesternPlains, Sep 8, 2017
    #2
  4. Sep 8, 2017 #3
    Hulld

    Hulld Road Train Member

    2,883
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    Oct 19, 2015
    Upstate NY
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    Air dryer blowing off every 5 seconds because the guy has an air leak and its over working the air dryer and the compressor.
    Hopefully his compressor will seiz up soon and shut the truck down so you can get some sleep.
     
    Hulld, Sep 8, 2017
    Hulld, Sep 8, 2017
    #3
    fargonaz and Tb0n3 Thank this.
  5. Sep 8, 2017 #4
    Ezrider_48501

    Ezrider_48501 Road Train Member

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    Apr 2, 2011
    bismarck, nd
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    the most common cause i have found for that problem is a leak on the signal line from the governor, basically governor thinks air psi is low so it kicks the compressor in almost as soon as it kicks in it hits governed psi so it kicks it back out witch signals the air dryer to purge. a bad purge valve can also be a common culprit
     
    Ezrider_48501, Sep 8, 2017
    Ezrider_48501, Sep 8, 2017
    #4
    fargonaz, Tb0n3 and Lepton1 Thank this.
  7. Sep 9, 2017 #5
    MACK E-6

    MACK E-6 Moderator Staff Member

    48,860
    226,270
    Sep 19, 2005
    Baltimore, MD
    0
    I developed an air leak on the trailer once not long after I left the yard, pretty bad, but not enough to make the truck undriveavable and not be able to do the run. I didn't hear the air dryer all day until after I dropped the trailer, at which point once the pressure topped out it spit out enough water and oil at once to cover a platter.
     
    MACK E-6, Sep 9, 2017
    MACK E-6, Sep 9, 2017
    #5
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  8. Sep 9, 2017 #6
    DTP

    DTP Road Train Member

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    Dec 9, 2014
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    And of course these aholes every time can't shut the truck off for the night, never fails...
     
    DTP, Sep 9, 2017
    DTP, Sep 9, 2017
    #6
    12 ga, fargonaz and Lepton1 Thank this.
  9. Sep 9, 2017 #7
    Tb0n3

    Tb0n3 Road Train Member

    4,565
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    Oct 5, 2012
    Earth
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    How are they supposed to sleep in 68 degree weather?
     
    Tb0n3, Sep 9, 2017
    Tb0n3, Sep 9, 2017
    #7
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  10. Sep 9, 2017 #8
    Ristow

    Ristow Road Train Member

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    Jun 28, 2014
    Fema Region 5
    0
    yah,the truck needs batteries too.....
     
    Ristow, Sep 9, 2017
    Ristow, Sep 9, 2017
    #8
  11. Sep 9, 2017 #9
    xsetra

    xsetra Road Train Member

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    Aug 21, 2011
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    The reason it is so loud.
    You're parked too close to them. Haha.
    This is very annoying.
    Hope you got some sleep.
     
    xsetra, Sep 9, 2017
    xsetra, Sep 9, 2017
    #9
  12. Sep 9, 2017 #10
    Zeviander

    Zeviander Road Train Member

    4,887
    36,995
    Jan 23, 2015
    Winnipeg, MB, CA
    0
    It's part of the life, you are going to have to get used to it. Either move the truck, or stop parking at truck stops.
     
    Zeviander, Sep 9, 2017
    Zeviander, Sep 9, 2017
    #10
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