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Volvo vnl d13 insufficient pressure def pump

Discussion in 'Volvo Forum' started by brianw123, May 23, 2015.

  1. May 23, 2015 #1
    brianw123

    brianw123 Bobtail Member

    24
    2
    Oct 29, 2013
    0
    We have a 2014 vnl d13 with 225,000 miles, it's been in the dealership 3 times previously with error code for insufficient pressure def pump. They've checked all the wiring, replaced the sending unit and updated the software. Truck is once again on the side of the road derated, and off course no one is open until Tuesday. Every time this has happened the deff tank has been around 3/4 and filling it usually resolves the problem. Hopefully filling it works again this time, but wondering if any one else has had this issue or similar. Thanks
     
    brianw123, May 23, 2015
    brianw123, May 23, 2015
    #1
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  3. May 23, 2015 #2
    benrab

    benrab Medium Load Member

    326
    238
    Apr 5, 2015
    Quebec ,Canada
    0
    You said you have a code for low pressure Def or loss of prime?
    Do you know if someone inspect the little blue filter
    (100 micron element) inside of the suction (plastic fitting) threaded in the Def pump ?
    If that filter is OK and your system is not sucking air on suction side (run a test with a clear hose) you probably end up with a new Def Pump.(my opinion)
    Ben
     
    benrab, May 23, 2015
    benrab, May 23, 2015
    #2
    brianw123 Thanks this.
  4. May 23, 2015 #3
    brianw123

    brianw123 Bobtail Member

    24
    2
    Oct 29, 2013
    0
    Thanks Ben for the response, according to Volvo action service the code showing is for low pressure, I'm not sure if that filter has been checked or replaced but I will definitely have them check that. Once again filling up the def tank got the truck up and running, but it only took 2 gallons to fill it.
     
    brianw123, May 23, 2015
    brianw123, May 23, 2015
    #3
  5. May 23, 2015 #4
    benrab

    benrab Medium Load Member

    326
    238
    Apr 5, 2015
    Quebec ,Canada
    0
    Brian, the fact you add Def in the tank and solve the problem for a short time possibly means it sucking air on the suction line when the Def level is high a less vacuum is require by the pump to feed the pump as soon the def level come lower the vacuum increase .
    To check this we run a test with a clear hose and a hand vacuum pump to check if the clear hose stay full when we stop to pump with the hand pump.
    Hope this can help.
    Ben
     
    benrab, May 23, 2015
    benrab, May 23, 2015
    #4
  7. Jun 2, 2015 #5
    brianw123

    brianw123 Bobtail Member

    24
    2
    Oct 29, 2013
    0
    Truck went into the dealership last week, they had it for a couple of days and found a small leak in one if the def lines, they're hoping that solves the problem but didn't seem super confident, we'll see what happens.
     
    brianw123, Jun 2, 2015
    brianw123, Jun 2, 2015
    #5
  8. Jun 4, 2015 #6
    KB3MMX

    KB3MMX Road Train Member

    3,057
    2,573
    Dec 29, 2014
    Orrstown, PA
    0
    One of the DEF lines in the tank or suction side maybe?
     
    KB3MMX, Jun 4, 2015
    KB3MMX, Jun 4, 2015
    #6
  9. Jul 8, 2019 #7
    emilko

    emilko Bobtail Member

    25
    7
    Feb 4, 2018
    0
    My Volvo is 780, 2013, I-shift,wth D13 engine 500HP. Just a little over 1,000 000 MI. Recently I got a faulty code 3597 ( means too frequent regen), no MIL was on, The code disappeared shortly after that. Ever since (No code, no MIL on, Soot level is low as it normal supposed to be), but it uses a very little of DEF. It runs very well and no problems what so ever. But I know something must be wrong about it. For my last trip, of almost 2000 MI, it used less than 2 Gallons of DEF only. I am happy with that, ( Truck is running well, no faulty codes, MIL is off, Soot level is low...I am saving on DEF and money for it... LoL), but I know something must be wrong and I don't have any idea or a clue...what is going on with My truck? Did My truck miracelly deleted or canceled After treatment system by it self. So I can drive my truck for 5-6 months before I need to bay DEF again. Please help me. Should I just leave everything like that and be happy, or should I look for costly repair? Thank You
     
    emilko, Jul 8, 2019
    emilko, Jul 8, 2019
    #7
  10. Jul 8, 2019 #8
    emilko

    emilko Bobtail Member

    25
    7
    Feb 4, 2018
    0
    My Volvo is 780, 2013, I-shift,wth D13 engine 500HP. Just a little over 1,000 000 MI. Recently I got a faulty code 3597 ( means too frequent regen), no MIL was on, The code disappeared shortly after that. Ever since (No code, no MIL on, Soot level is low as it normal supposed to be), but it uses a very little of DEF. It runs very well and no problems what so ever. But I know something must be wrong about it. For my last trip, of almost 2000 MI, it used less than 2 Gallons of DEF only. I am happy with that, ( Truck is running well, no faulty codes, MIL is off, Soot level is low...I am saving on DEF and money for it... LoL), but I know something must be wrong and I don't have any idea or a clue...what is going on with My truck? Did My truck miracelly deleted or canceled After treatment system by it self. So I can drive my truck for 5-6 months before I need to bay DEF again. Please help me. Should I just leave everything like that and be happy, or should I look for costly repair? Thank You
     
    emilko, Jul 8, 2019
    emilko, Jul 8, 2019
    #8
  11. May 27, 2023 #10
    RoadtoEmmaus

    RoadtoEmmaus Light Load Member

    100
    43
    Apr 20, 2014
    0

    What was the fix?
     
    RoadtoEmmaus, May 27, 2023
    RoadtoEmmaus, May 27, 2023
    #10
  12. May 28, 2023 #10
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,779
    1,725
    Jun 14, 2009
    romulus,mi
    0
    Need to test pump pressure with PTT to isolate issue.
     
    QUALITYTRUCK, May 28, 2023
    QUALITYTRUCK, May 28, 2023
    #10
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