2008 volvo 670 d12 air compressor problem

Discussion in 'Volvo Forum' started by Vaso.L, Nov 19, 2021.

  1. Vaso.L

    Vaso.L Light Load Member

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    Jan 2, 2014
    South Holland,IL
    0
    air compressor blew up,lost 5 gal of oil,towed it,replaced it with a reman,700 miles later same thing,now waiting for the shop to diagnose why this is happening,
    Anyone had similar experience?
    all started after abs valve replacement under the fifth wheel
     

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  3. nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
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    well this is interesting never seen this before, only thing i would check if first discharge line make sure it is not plugged if it is possible this could happen from compressor to air dryer also need to check if air dryer is working properly. nothing that can really be done with relay valve to have this effect on air compressor the only thing that comes to mind is plugged discharge line and compressor is trying to make to much pressure.
     
  4. Vaso.L

    Vaso.L Light Load Member

    120
    22
    Jan 2, 2014
    South Holland,IL
    0
    Thats exactly what they told me conpressor outlet was plugged,they sounded like they were trying to rip me off so i towed to volvo dealer but they are taking way to long,gear was bent so they gonna drop the oil pan and check rods and mains

    why would compressor outlet bbe plugged on a brand new reman?
     
  5. nasriza

    nasriza Road Train Member

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    Feb 1, 2013
    Chicago, IL
    0
    It might not be outlet of compressor prob was discharge line to air dryer, that will usually get rusted out from time to time I usually try to make it a practice if I change compressor to change both discharge lines as well. But ive never ran into something like this all the time I’m working with Volvo so interesting problem.
     
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