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FM D13A air pressure too high

Discussion in 'Volvo Forum' started by ah fai, Dec 9, 2012.

Page 1 of 2
  1. Dec 9, 2012 #1
    ah fai

    ah fai Light Load Member

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    Aug 21, 2012
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    hi all..
    FM D13A i-shift air system pressure too high come with fault codes MID144 PSID24 FMI4, MID136 PSID28 FMI1, MID136 SID67 FMI12 and the drive axle locker lock all the time when the pressure higher.

    where is the pressure overflow valve to maintain the pressure?

    it is different with D12D ?? can the compressure unload when full air pressure...

    thanks.
     
    ah fai, Dec 9, 2012
    ah fai, Dec 9, 2012
    #1
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  3. Dec 9, 2012 #2
    Pablo-UA

    Pablo-UA Road Train Member

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    put pressure limiting valve in transmission supply air line. Use Knorr ore Wabco valve. Ajust it to 8-8.5 BAR and be happy. Do not drive truck with overpressured tranny, shifr cyl may fail
     
    Pablo-UA, Dec 9, 2012
    Pablo-UA, Dec 9, 2012
    #2
  4. Dec 12, 2012 #3
    ah fai

    ah fai Light Load Member

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    FM400 with D13A engine need to calibration or re-set if replace component like air-dryer or EBS brake module??
    thanks
     
    ah fai, Dec 12, 2012
    ah fai, Dec 12, 2012
    #3
  5. Dec 12, 2012 #4
    Pablo-UA

    Pablo-UA Road Train Member

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    no. if you git truck with electrinically controlled air dryer - it got two solenoids (like on Wabco ecas solenoid) controlled with VECU, so just reset air deryer with VCADs Pro every time you chande air driyer cartrge,

    But you got other problem - faulty tranny pressure valve
     
    Pablo-UA, Dec 12, 2012
    Pablo-UA, Dec 12, 2012
    #4
  7. Dec 13, 2012 #5
    ah fai

    ah fai Light Load Member

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    Aug 21, 2012
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    ya, i do replace the pressure valve
    can u please help me for puchase the PTT vcads pro tools?
    or from your side, did u have the used volvo and scania electric component, sensor, EBS module, diesel injector, air dryer, i-shift gear selector ecu...
     
    ah fai, Dec 13, 2012
    ah fai, Dec 13, 2012
    #5
  8. Dec 13, 2012 #6
    Pablo-UA

    Pablo-UA Road Train Member

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    Borispol, Ukraine
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    check out chenese sites for volvo adapters and software clones

    I do not have used parts, but you can easily get them on European and US JYs, people say on Aussy JYs too.
     
    Pablo-UA, Dec 13, 2012
    Pablo-UA, Dec 13, 2012
    #6
  9. Dec 14, 2012 #7
    ah fai

    ah fai Light Load Member

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    Aussy JYs is a place or what?
     
    ah fai, Dec 14, 2012
    ah fai, Dec 14, 2012
    #7
  10. Dec 14, 2012 #8
    Pablo-UA

    Pablo-UA Road Train Member

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    Aussie - Australia) Exuse me for poor spelleng)
     
    Pablo-UA, Dec 14, 2012
    Pablo-UA, Dec 14, 2012
    #8
  11. Dec 15, 2012 #9
    ah fai

    ah fai Light Load Member

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    Aug 21, 2012
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    can i have the d13a wiring diagram from u? there was no voltage but the fuse no6 is ok...i believe is wiring faulty.
    and
     
    ah fai, Dec 15, 2012
    ah fai, Dec 15, 2012
    #9
  12. Dec 15, 2012 #10
    Pablo-UA

    Pablo-UA Road Train Member

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    Borispol, Ukraine
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    post me VIN
     
    Pablo-UA, Dec 15, 2012
    Pablo-UA, Dec 15, 2012
    #10
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