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Detroit 60 14l oil in coolant

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Transportauto, Oct 30, 2023.

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  1. Oct 30, 2023 #1
    Transportauto

    Transportauto Light Load Member

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    Got a egr motor d60 14l. Getting heavy oil in coolant. New oil cooler, no fuel in coolant just oil, and no trans cooler in the rad. I'm thinking only other place oil could come from is the head? Liners would put coolant in the oil correct?
    One other thing this truck was just purchased and I noticed both heater cores were busted, I'm thinking the owner let it freeze and cracked the head
     
    Transportauto, Oct 30, 2023
    Transportauto, Oct 30, 2023
    #1
    Rideandrepair and BoxCarKidd Thank this.
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  3. Oct 30, 2023 #2
    Mnmover99

    Mnmover99 Light Load Member

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    Another source could be from the air compressor...
     
    Mnmover99, Oct 30, 2023
    Mnmover99, Oct 30, 2023
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    Rideandrepair Thanks this.
  4. Oct 30, 2023 #3
    bad-luck

    bad-luck Road Train Member

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    Are you sure it is oil and not fuel?
     
    bad-luck, Oct 30, 2023
    bad-luck, Oct 30, 2023
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  5. Oct 30, 2023 #4
    Transportauto

    Transportauto Light Load Member

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    Oil 100%. Level also keeps dropping
     
    Transportauto, Oct 30, 2023
    Transportauto, Oct 30, 2023
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  7. Oct 30, 2023 #5
    Transportauto

    Transportauto Light Load Member

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    Transportauto, Oct 30, 2023
    Transportauto, Oct 30, 2023
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  8. Oct 30, 2023 #6
    Transportauto

    Transportauto Light Load Member

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    OK so air compressor. I have only had water in the tanks or oil in the tanks. Coolant is only in the head of the air compressor right?
    There isn't any oil passages in the compressor head is there?
     
    Transportauto, Oct 30, 2023
    Transportauto, Oct 30, 2023
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    Rideandrepair Thanks this.
  9. Oct 30, 2023 #7
    Transportauto

    Transportauto Light Load Member

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    What about liners? I could only imagine coolant getting into the oil not oil into the coolant
     
    Transportauto, Oct 30, 2023
    Transportauto, Oct 30, 2023
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    Rideandrepair Thanks this.
  10. Oct 30, 2023 #8
    Rideandrepair

    Rideandrepair Road Train Member

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    . Oil cooler or oil cooler o rings, or head gasket. Any pressure in the coolant system? I think they can do a compression test on the cylinders by hooking it up to a computer, check the pressure on the injectors. Telling if the heads cracked/gaskets blown.
     
    Last edited: Oct 30, 2023
    Rideandrepair, Oct 30, 2023
    Rideandrepair, Oct 30, 2023
    #8
  11. Oct 30, 2023 #9
    BoxCarKidd

    BoxCarKidd Road Train Member

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    Have to go back to never say always and all ways say maybe.
    Had a 350 Big Cam doing that and replaced the oil cooler. No coolant in oil from the drain plug. About 3 weeks later it got a lot worse. It had a cracked liner.
    Maybe get to operating temp and drop the pan. Check it out. Turn the crank 1/2 turn and check it out. If you do not see anything do it again tomorrow when it is cold. This does not cost a lot of money ether way right or wrong.
     
    BoxCarKidd, Oct 30, 2023
    BoxCarKidd, Oct 30, 2023
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  12. Oct 30, 2023 #10
    BoxCarKidd

    BoxCarKidd Road Train Member

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    All coolant to transmission oil coolers are not in the radiator. Check that out also.
     
    BoxCarKidd, Oct 30, 2023
    BoxCarKidd, Oct 30, 2023
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