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    2004 volvo a30d rear brake issue.

    Fuse 3 is good. That's the first thing I did was check fuses. I haven't checked the relays. And the float did work a year and a half ago when the truck moved. The service socket had 4.5 volts when I checked it before I tried hooking the computer to it.
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    2004 volvo a30d rear brake issue.

    Do you happen to have a diagram of said valves and accumulators? Also I tried hooking my diagnostic compute to it but the diagnostic port doesn't seem to have any power.
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    2004 volvo a30d rear brake issue.

    Went ahead and replaced that valve and sensor and still doing the same thing.
  4. A

    2004 volvo a30d rear brake issue.

    Okay let me know and I'll look into it. I did pull that valve apart and clean it out had some slimy stuff inside but that didn't fix it...
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    2004 volvo a30d rear brake issue.

    Do you know the specs the sensor and solenoid should be with in?
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    2004 volvo a30d rear brake issue.

  7. A

    2004 volvo a30d rear brake issue.

    I have a 2004 volvo a30d that I'm having issues with. Seems like the park brake won't release and the guage on the dash for the rear brake pressure will not move. I've pulled all the air valves I can find apart and cleaned them out. Replaced 1 valve on the tank under the bed and the air dryer...
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