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Air brake compressor issues

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Aggieman98, Mar 31, 2020.

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  1. Mar 31, 2020 #1
    Aggieman98

    Aggieman98 Bobtail Member

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    Mar 31, 2020
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    I have an 07 Freightliner century with a c15. Ive gone through 5 air compressors in 2 months. I’ve changed the air lines, governor, air dryer filter, and now dampener. Also flushed the coolant system. And ideas what could be knocking the compressors out where they won’t build air.
    1st did 4000 miles
    2nd 1200 miles
    3rd 150 miles
    4th 1100 miles
    5th 200 miles
     
    Aggieman98, Mar 31, 2020
    Aggieman98, Mar 31, 2020
    #1
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  3. Mar 31, 2020 #2
    tank4life

    tank4life Light Load Member

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    Feb 18, 2012
    Baltimore, MD
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    Check spitter valve on the air dryer. It maybe stuck open. Also check line from compressor to air dryer for leaks.
     
    tank4life, Mar 31, 2020
    tank4life, Mar 31, 2020
    #2
  4. Mar 31, 2020 #4
    Aggieman98

    Aggieman98 Bobtail Member

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    Mar 31, 2020
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    Put new line on compressor to air dryer
     
    Aggieman98, Mar 31, 2020
    Aggieman98, Mar 31, 2020
    #4
  6. Mar 31, 2020 #5
    Aggieman98

    Aggieman98 Bobtail Member

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    Mar 31, 2020
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    Purge valve not leaking air
     
    Aggieman98, Mar 31, 2020
    Aggieman98, Mar 31, 2020
    #5
  8. Mar 31, 2020 #5
    tank4life

    tank4life Light Load Member

    155
    105
    Feb 18, 2012
    Baltimore, MD
    0
    Did you put a new air governor on?
     
    tank4life, Mar 31, 2020
    tank4life, Mar 31, 2020
    #5
  9. Mar 31, 2020 #6
    Deere hunter

    Deere hunter Road Train Member

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    Aug 5, 2017
    Shallowater Texas
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    First of all are you buying these compressors from the same vendor, second the only thing that makes compressor quit compressing is your unloaders are getting stuck or your piston rings are gone! And of course your governor kicking on and off but you said you replace that!
    Also do you have a one-way valve between your compressor and your first tank somewhere sometimes those go bad and they will not let the compressor compress!
     
    Deere hunter, Mar 31, 2020
    Deere hunter, Mar 31, 2020
    #6
    Bean Jr. Thanks this.
  10. Mar 31, 2020 #7
    Aggieman98

    Aggieman98 Bobtail Member

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    Mar 31, 2020
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    All compressors from different vendors. What’s baffling me is the different mileage I’m getting out of each one. It’s not consistent. Where would that valve be. We check air flow at each stage from compressor all the way to secondary tank.
     
    Aggieman98, Mar 31, 2020
    Aggieman98, Mar 31, 2020
    #7
  11. Mar 31, 2020 #8
    Aggieman98

    Aggieman98 Bobtail Member

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    Mar 31, 2020
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    Yes I replaced it
     
    Aggieman98, Mar 31, 2020
    Aggieman98, Mar 31, 2020
    #8
  12. Mar 31, 2020 #9
    Dodsonf855

    Dodsonf855 Bobtail Member

    25
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    Mar 15, 2020
    South arkansas
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    Depends on how and why they are failing?
     
    Dodsonf855, Mar 31, 2020
    Dodsonf855, Mar 31, 2020
    #9
  13. Mar 31, 2020 #10
    Aggieman98

    Aggieman98 Bobtail Member

    10
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    Mar 31, 2020
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    That what I’m trying to figure out
     
    Aggieman98, Mar 31, 2020
    Aggieman98, Mar 31, 2020
    #10
    Bean Jr. Thanks this.
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