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Oil in coolant and coolant in oil

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Manipal92, Nov 23, 2018.

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  1. Nov 23, 2018 #1
    Manipal92

    Manipal92 Bobtail Member

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    Hello guys , today I find this and also excessive blowby and water droplets in blowby. No excessive bubbles in surge tank nor white smoke. Please advise what it could be . Its Cummins isx cm870.
     

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    Manipal92, Nov 23, 2018
    Manipal92, Nov 23, 2018
    #1
    JohnC123 Thanks this.
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  3. Nov 23, 2018 #2
    McMahons Trucking

    McMahons Trucking Light Load Member

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    Jul 4, 2018
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    Could be blown headgasket or leaking oil cooler or both.
     
    McMahons Trucking, Nov 23, 2018
    McMahons Trucking, Nov 23, 2018
    #2
    JohnC123, Rideandrepair and Manipal92 Thank this.
  4. Nov 23, 2018 #3
    Rideandrepair

    Rideandrepair Road Train Member

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    Gotta Be oil cooler
     
    Rideandrepair, Nov 23, 2018
    Rideandrepair, Nov 23, 2018
    #3
    JohnC123 and Manipal92 Thank this.
  5. Nov 23, 2018 #4
    Manipal92

    Manipal92 Bobtail Member

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    Thanks a lot guys, I booked it at mechanic for tomorrow
     
    Manipal92, Nov 23, 2018
    Manipal92, Nov 23, 2018
    #4
    Rideandrepair Thanks this.
  7. Nov 23, 2018 #5
    spsauerland

    spsauerland Road Train Member

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    Many times on ISX it is the oil cooler gaskets, not oil cooler but might as well replace heat exchanger while you have it apart. Oil cooler kit used to come with the bolts, now it doesn't. Bolts are usually pitted pretty bad.
     
    spsauerland, Nov 23, 2018
    spsauerland, Nov 23, 2018
    #5
    JohnC123, SAR, Manipal92 and 1 other person Thank this.
  8. Nov 23, 2018 #6
    Heavyd

    Heavyd Road Train Member

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    Oil cooler. Your blowby is probably normal. Water droplets is normal.
     
    Heavyd, Nov 23, 2018
    Heavyd, Nov 23, 2018
    #6
    JohnC123, SAR and Rideandrepair Thank this.
  9. Nov 23, 2018 #7
    aussiejosh

    aussiejosh Road Train Member

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    Airlie Beach QLd
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    water in oil could be a crack in the head the only way to find out for sure is take the head off and get it x- rayed.
     
    aussiejosh, Nov 23, 2018
    aussiejosh, Nov 23, 2018
    #7
    JohnC123 Thanks this.
  10. Nov 23, 2018 #8
    Metallica88

    Metallica88 Medium Load Member

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    Blown Head gasket most likely
     
    Metallica88, Nov 23, 2018
    Metallica88, Nov 23, 2018
    #8
    JohnC123 Thanks this.
  11. Nov 23, 2018 #9
    Rideandrepair

    Rideandrepair Road Train Member

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    I think a pressure test would show a head gasket leak or any leak if it doesn’t hold pressure
     
    Rideandrepair, Nov 23, 2018
    Rideandrepair, Nov 23, 2018
    #9
  12. Nov 23, 2018 #10
    Manipal92

    Manipal92 Bobtail Member

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    Sep 28, 2018
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    I am hoping to find out tomorrow what’s it. Will keep posted. But I wonder how come the oil turn into thick mud like. There was lot of it. I removed a lots
     
    Manipal92, Nov 23, 2018
    Manipal92, Nov 23, 2018
    #10
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