1998 379 break relay leaking constantly

Discussion in 'Peterbilt Forum' started by tmslogistics, Mar 10, 2015.

  1. tmslogistics

    tmslogistics Light Load Member

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    Mar 10, 2015
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    Qualitytruck. Thanks a million!!
     
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  3. QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    Jun 14, 2009
    romulus,mi
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    You got it buddy!
     
    tmslogistics Thanks this.
  4. tmslogistics

    tmslogistics Light Load Member

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    Mar 10, 2015
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    Thanks for your pointers fellas. Replaced the qr1 and everything is working like new.

    Have an awesome day.

    Toby
     
  5. tmslogistics

    tmslogistics Light Load Member

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    Mar 10, 2015
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    Thanks for the help fellas. Replaced the qr1 and it worked.
     
  6. beltrans

    beltrans Medium Load Member

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    Nov 26, 2008
    spokane wa
    0
    You are correct.... But before I replaced a quick release valve I replaced that ABS assembly and it didn't do anything to fix an air leak.. Problem was a bad quick release valve, the one above my front drive axle... It is same valve QUALITYTRUCK was talking about...
     
    tmslogistics Thanks this.
  7. tmslogistics

    tmslogistics Light Load Member

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    Mar 10, 2015
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    That was exactly my problem too. Thanks for your feedback
     
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