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2012 prostar maxxforce 13 low oil pressure

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by semitruck966, Dec 19, 2022.

Page 1 of 2
  1. Dec 19, 2022 #1
    semitruck966

    semitruck966 Bobtail Member

    6
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    Dec 17, 2019
    0
    I have a maxxforce 13 with low oil pressure verified it with manual gauge then took it to dealership and they told me it needs an oil cooler doesn't make any sense. Truck has over 950000 miles and really no problems,
    No blowby, overheating, no knocking, no nothing, oil change every 10000 to 15000 miles truck, oil test come back clean, but dealer says oil cooler plugged up. Need some help.
     
    semitruck966, Dec 19, 2022
    semitruck966, Dec 19, 2022
    #1
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  3. Dec 19, 2022 #2
    Lazer

    Lazer Road Train Member

    1,837
    2,965
    Jan 22, 2017
    0
    1. Is the oil temp above normal?
    2. What psi after totally warmed up?
     
    Lazer, Dec 19, 2022
    Lazer, Dec 19, 2022
    #2
  4. Dec 20, 2022 #4
    semitruck966

    semitruck966 Bobtail Member

    6
    0
    Dec 17, 2019
    0
    235 eot
    1600 42 psi idle 12 psi
     
    semitruck966, Dec 20, 2022
    semitruck966, Dec 20, 2022
    #4
  5. Dec 20, 2022 #4
    Kenworth6969

    Kenworth6969 Road Train Member

    2,979
    9,330
    Jul 3, 2020
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    A maxxforce and "really no problems"?!?

    Go buy a powerball ticket tomorrow.
    I want 10% after you win.
     
    Kenworth6969, Dec 20, 2022
    Kenworth6969, Dec 20, 2022
    #4
  6. Dec 20, 2022 #6
    semitruck966

    semitruck966 Bobtail Member

    6
    0
    Dec 17, 2019
    0
    Really no problems I really religious repairs and it helps egr doc and dpf filter special fix
     
    semitruck966, Dec 20, 2022
    semitruck966, Dec 20, 2022
    #6
  7. Dec 20, 2022 #6
    semitruck966

    semitruck966 Bobtail Member

    6
    0
    Dec 17, 2019
    0
    My other two trucks have over 1.5 million
    2007 Peterbilt 387 Cummins cm 870
    2007 Volvo 630 d12ved
    I have had more problems out of Cummins isx
     
    semitruck966, Dec 20, 2022
    semitruck966, Dec 20, 2022
    #6
  8. Dec 21, 2022 #7
    little cat 500

    little cat 500 Road Train Member

    2,061
    1,109
    Jan 17, 2010
    Abbottstown PA
    0
    If you got 950000 out of a maxxforce 13 you got a rare duck add a few gallons of lucas and ride
     
    little cat 500, Dec 21, 2022
    little cat 500, Dec 21, 2022
    #7
  9. Dec 21, 2022 #8
    ChuckMartel

    ChuckMartel Light Load Member

    160
    94
    Jan 22, 2021
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    Definitely possible, these engines produce a lot of soot which likes to gum things up
     
    ChuckMartel, Dec 21, 2022
    ChuckMartel, Dec 21, 2022
    #8
  10. Dec 21, 2022 #9
    semitruck966

    semitruck966 Bobtail Member

    6
    0
    Dec 17, 2019
    0
    Maybe I was thinking the dealership say that cause the pressure relief valve is in the oil cooler module I was going to replace the oil cooler and the oil pump with the oil pump bushing. I just nervous cause I never had this engine crack open
     
    semitruck966, Dec 21, 2022
    semitruck966, Dec 21, 2022
    #9
  11. Dec 23, 2022 #10
    ultra truck

    ultra truck Bobtail Member

    17
    7
    Oct 21, 2020
    Deland Fl.
    0
    They probably think that because they must have done oil analysis and no large out metal or type of metal. How many miles on the oil change?
     
    ultra truck, Dec 23, 2022
    ultra truck, Dec 23, 2022
    #10
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