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Oil in my coolant

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Kendecter, Jun 13, 2019.

Page 1 of 3
  1. Jun 13, 2019 #1
    Kendecter

    Kendecter Bobtail Member

    1
    0
    Jun 13, 2019
    0
    I have oil in my coolant. Already replaced oil cooler and did an in-frame, problem has not gone away, was told the block was good
     
    Kendecter, Jun 13, 2019
    Kendecter, Jun 13, 2019
    #1
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  3. Jun 13, 2019 #2
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

    1,780
    1,726
    Jun 14, 2009
    romulus,mi
    0
    I don't know why you are having that problem. The truck and engine model that you listed for that particular year was one of the best ever produced.........Come on people
     
    QUALITYTRUCK, Jun 13, 2019
    QUALITYTRUCK, Jun 13, 2019
    #2
    AModelCat, mhyn, swaan and 1 other person Thank this.
  4. Jun 13, 2019 #3
    mmk trucking

    mmk trucking Light Load Member

    145
    122
    Mar 6, 2016
    0
    Did you clean out your colling system
     
    mmk trucking, Jun 13, 2019
    mmk trucking, Jun 13, 2019
    #3
  5. Jun 13, 2019 #4
    olddog_newtricks

    olddog_newtricks Medium Load Member

    630
    2,094
    Jun 3, 2018
    0
    Did you flush your radiator at least a hundred times? No matter how much you flush it out it still has oil in it.
     
    olddog_newtricks, Jun 13, 2019
    olddog_newtricks, Jun 13, 2019
    #4
  7. Jun 13, 2019 #5
    Goodysnap

    Goodysnap Road Train Member

    3,502
    8,384
    Jul 12, 2017
    0
    I had a Briggs and Stratton that did the same thing. Never did fix it......just gave up and sold it. It was air cooled too....
     
    Goodysnap, Jun 13, 2019
    Goodysnap, Jun 13, 2019
    #5
    AModelCat and spsauerland Thank this.
  8. Jun 13, 2019 #6
    uncleal13

    uncleal13 Road Train Member

    3,757
    6,199
    Apr 9, 2009
    Humboldt, Sk
    0
    Come on, don’t leave us guessing.
    What year, what truck, what engine?
     
    uncleal13, Jun 13, 2019
    uncleal13, Jun 13, 2019
    #6
  9. Jun 13, 2019 #7
    lwlevens

    lwlevens Medium Load Member

    623
    427
    Feb 9, 2018
    0
    Where the hell did he go???????
     
    lwlevens, Jun 13, 2019
    lwlevens, Jun 13, 2019
    #7
  10. Jun 13, 2019 #8
    pup

    pup Light Load Member

    252
    256
    Dec 3, 2011
    n.h.
    0
    Could be the transmission oil cooler.
     
    pup, Jun 13, 2019
    pup, Jun 13, 2019
    #8
  11. Jun 13, 2019 #9
    snowman_w900

    snowman_w900 Road Train Member

    4,418
    81,018
    Nov 25, 2010
    0
    Oh really?

    How's that possible?
     
    snowman_w900, Jun 13, 2019
    snowman_w900, Jun 13, 2019
    #9
  12. Jun 14, 2019 #10
    Roberts450

    Roberts450 Road Train Member

    2,237
    3,634
    Feb 6, 2016
    0
    Some transmissions have a heat exchanger instead of an air/oil cooler. But Im almost positive that the coolant pressure is higher then the oil pressure in the trans cooling circuit.
     
    Roberts450, Jun 14, 2019
    Roberts450, Jun 14, 2019
    #10
    Rideandrepair Thanks this.
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