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Series 60 oil in coolant

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Cory wood, Dec 29, 2015.

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  1. Dec 29, 2015 #1
    Cory wood

    Cory wood Medium Load Member

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    Nov 7, 2015
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    Have a truck with a series 60 12.7 and there's a slight amount of oil in the coolant, I usually see much more with an oil cooler failure and this is very slight. Oil cooler seems to be a very unusual problem for the 12.7. Anyone have this problem and it not be the oil cooler?
     
    Cory wood, Dec 29, 2015
    Cory wood, Dec 29, 2015
    #1
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  3. Dec 29, 2015 #2
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    Jun 14, 2009
    romulus,mi
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    Been doing this about 15 years or so. Had 1 bad series 60 oil cooler. Have seen this numerous times over the years. Time for in frame. After you pull head and inspect holes, you will be able to tell which one is bad. Good luck.
     
    QUALITYTRUCK, Dec 29, 2015
    QUALITYTRUCK, Dec 29, 2015
    #2
  4. Dec 29, 2015 #3
    bavarian

    bavarian Heavy Load Member

    727
    781
    Feb 13, 2014
    Winnipeg
    0
    Cracked head or worn liners. Had the same on my c13 and it was time for an inframe. When they had the liners out they showed quite some cavitation.
    Do you have a lot of idling time on it?
     
    bavarian, Dec 29, 2015
    bavarian, Dec 29, 2015
    #3
  5. Dec 29, 2015 #4
    Cory wood

    Cory wood Medium Load Member

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    It was Inframed about 200k ago.
     
    Cory wood, Dec 29, 2015
    Cory wood, Dec 29, 2015
    #4
  7. Dec 29, 2015 #5
    Smellfunny

    Smellfunny Road Train Member

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    How did the block look when you overhauled? Are you running green or red anti-freeze and do you do test strips?
     
    Smellfunny, Dec 29, 2015
    Smellfunny, Dec 29, 2015
    #5
  8. Dec 29, 2015 #6
    Cory wood

    Cory wood Medium Load Member

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    Nov 7, 2015
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    We have not done test strips. The block looked good as far as I could tell, nothing looked really corroded or anything at the time. We have run green in it since we have had it. Truck has 1.2 million currently.
     
    Cory wood, Dec 29, 2015
    Cory wood, Dec 29, 2015
    #6
  9. Dec 29, 2015 #7
    Smellfunny

    Smellfunny Road Train Member

    1,445
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    Jan 28, 2012
    South Carolina
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    Do you use SCA OR DCA in your coolant? If not it does not take long running without it to cause block or liner damage.
     
    Smellfunny, Dec 29, 2015
    Smellfunny, Dec 29, 2015
    #7
  10. Dec 29, 2015 #8
    Cory wood

    Cory wood Medium Load Member

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    Nov 7, 2015
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    I use coolant that already has the inhibitors in it.
     
    Cory wood, Dec 29, 2015
    Cory wood, Dec 29, 2015
    #8
  11. Dec 30, 2015 #9
    bavarian

    bavarian Heavy Load Member

    727
    781
    Feb 13, 2014
    Winnipeg
    0
    I heard from a small repairshop they had to replace the head of a detroit twice after completing the inframe. The first bad head came withe the overhaul kit. And the replacement then wasn't any better.
    They were quite happy with detroit since they got the head replaced only and they had to cover the labor.
     
    bavarian, Dec 30, 2015
    bavarian, Dec 30, 2015
    #9
  12. Jan 17, 2016 #10
    dustinbrock

    dustinbrock Road Train Member

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    Apr 19, 2012
    North Battleford, SK
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    I had a 03 columbia with s60 sludge oil crap in my coolant and for me it turned out to be tranny cooler.
     
    dustinbrock, Jan 17, 2016
    dustinbrock, Jan 17, 2016
    #10
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