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Coolant in transmission

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Chevyho, Apr 14, 2014.

Page 4 of 8
  1. Mar 5, 2017 #31
    AModelCat

    AModelCat Road Train Member

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    If its contaminated with coolant, the oil will usually be milky. Eventually if it fills up enough it would probably puke out the breather on top of the shift bar housing.
     
    AModelCat, Mar 5, 2017
    AModelCat, Mar 5, 2017
    #31
    serozhah Thanks this.
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  3. Mar 5, 2017 #32
    serozhah

    serozhah Light Load Member

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    not right away... I lost 2 gal of coolant in last 4 days so i'm trying to find where it went. engine oil looks good and its level hasnt gone up, no white smoke, nothing coming from coolant overflow hose...
     
    serozhah, Mar 5, 2017
    serozhah, Mar 5, 2017
    #32
  4. Mar 5, 2017 #33
    spyder7723

    spyder7723 Road Train Member

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    That could be a leak in any number of places. No reason to suspect the transmission cooler. Heck it could be dripping out the weep hole of the water pump.
     
    spyder7723, Mar 5, 2017
    spyder7723, Mar 5, 2017
    #33
    serozhah Thanks this.
  5. Mar 5, 2017 #34
    serozhah

    serozhah Light Load Member

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    serozhah, Mar 5, 2017
    serozhah, Mar 5, 2017
    #34
  7. Mar 5, 2017 #35
    serozhah

    serozhah Light Load Member

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    nope, no dripping...
     
    serozhah, Mar 5, 2017
    serozhah, Mar 5, 2017
    #35
  8. Mar 5, 2017 #36
    AModelCat

    AModelCat Road Train Member

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    2003? Does it happen to have EGR? Check the cooler if it does.
     
    AModelCat, Mar 5, 2017
    AModelCat, Mar 5, 2017
    #36
    serozhah Thanks this.
  9. Mar 5, 2017 #37
    serozhah

    serozhah Light Load Member

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    I have 3 exchangers in the front... The radiator, AC and the 3rd... Would that be air cooled transmission fluid heat exchanger? Thanks
     
    serozhah, Mar 5, 2017
    serozhah, Mar 5, 2017
    #37
  10. Mar 5, 2017 #38
    serozhah

    serozhah Light Load Member

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    no EGR. I bought it specifically for no EGR lol
     
    serozhah, Mar 5, 2017
    serozhah, Mar 5, 2017
    #38
  11. Mar 5, 2017 #39
    serozhah

    serozhah Light Load Member

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    thats true for water in dfferentials... But i was just thinking that since both coolant and my tran oil are red, it would be harder to tell mixed coolant and tran oil from pure tran oil...

    I wish i knew what a "shift bar housing" looked like lol. where is it in reference to the fill hole?:)
     
    serozhah, Mar 5, 2017
    serozhah, Mar 5, 2017
    #39
  12. Mar 5, 2017 #40
    Chevyho

    Chevyho Medium Load Member

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    Id pressure test the cooling system as a start.
     
    Chevyho, Mar 5, 2017
    Chevyho, Mar 5, 2017
    #40
    serozhah Thanks this.
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