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Maxxforce power steering pump

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Jhncp, Feb 4, 2020.

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  1. Feb 4, 2020 #1
    Jhncp

    Jhncp Bobtail Member

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    Feb 4, 2020
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    I have a 2010 Transtar maxxforce 13 and it is pushing black engine oil out of the power steering reservoir. The only logical explanation I would think is the ps pump. Am I right and how do I go about changing/fixing it? Thanks
     
    Jhncp, Feb 4, 2020
    Jhncp, Feb 4, 2020
    #1
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  3. Feb 4, 2020 #2
    Jhncp

    Jhncp Bobtail Member

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    Feb 4, 2020
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    About a year ago the fluid would get low occasionally I'm guessing ps fluid leaked into engine oil but now opposite
     
    Jhncp, Feb 4, 2020
    Jhncp, Feb 4, 2020
    #2
  4. Feb 4, 2020 #3
    baha

    baha Road Train Member

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    The P/S pump has a seal in it that works both ways it needs to be replaced, or if you have plenty of $ you can buy a new pump?
     
    baha, Feb 4, 2020
    baha, Feb 4, 2020
    #3
    BoxCarKidd and Jhncp Thank this.
  5. Feb 4, 2020 #4
    Jhncp

    Jhncp Bobtail Member

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    Feb 4, 2020
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    Jhncp, Feb 4, 2020
    Jhncp, Feb 4, 2020
    #4
  7. Feb 4, 2020 #5
    Jhncp

    Jhncp Bobtail Member

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    Feb 4, 2020
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    I'm poor so if I can just replace seal that would be great. Any advise where pump is and how to go about it?
     
    Last edited: Feb 4, 2020
    Jhncp, Feb 4, 2020
    Jhncp, Feb 4, 2020
    #5
  8. Feb 4, 2020 #6
    baha

    baha Road Train Member

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    OK sorry just find p/s steering lines and they will led you to pump, unbolt pump and seal will be in back of pump, buy seal 1st just to be sure you have it before you take it apart?
     
    baha, Feb 4, 2020
    baha, Feb 4, 2020
    #6
  9. Apr 16, 2022 #7
    blowing smoke

    blowing smoke Bobtail Member

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    Apr 16, 2022
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    Where do you get the seal , not listed at my dealership
     
    blowing smoke, Apr 16, 2022
    blowing smoke, Apr 16, 2022
    #7
  10. Apr 16, 2022 #8
    Heavyd

    Heavyd Road Train Member

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    We don't replace the input seal on power steering pumps at the dealer level, we replace the pump. You would have to take the pump to a hydraulic specialty shop to locate the seal.
     
    Heavyd, Apr 16, 2022
    Heavyd, Apr 16, 2022
    #8
    spsauerland, Goodysnap and blowing smoke Thank this.
  11. Apr 16, 2022 #9
    blowing smoke

    blowing smoke Bobtail Member

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    Apr 16, 2022
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    Im glad to hear from you heavy D, I have 2009 Maxxforce13 , oil leaking out of road draft tube ,this version doesn't have oil separator with jet plate. a bad check valve or blocked return line from cyclone is my guess ,am I on the right track ?
     
    blowing smoke, Apr 16, 2022
    blowing smoke, Apr 16, 2022
    #9
  12. Apr 16, 2022 #10
    Heavyd

    Heavyd Road Train Member

    7,752
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    Probably just a plugged filter in the box with the cyclone.
     
    Heavyd, Apr 16, 2022
    Heavyd, Apr 16, 2022
    #10
    spsauerland and blowing smoke Thank this.
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