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07 cm870...

Discussion in 'Trucks [ Eighteen Wheelers ]' started by TruckerPete1990, Jun 1, 2017.

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  1. Jun 1, 2017 #1
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    Bentonville Arkansas
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    I've been having a problem with coolant lost... it's an internal leak.. it's not my egr stuff... My sodium has been in the 20s my potassium has been in the 70s.. it's been this way for months. Any ideas? I find it weird how the numbers been almost the same every time... here is my oil samples don't worry it's not my address or number lol. I'm adding about 1 gallon of coolant every 25,000 miles...
     

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    TruckerPete1990, Jun 1, 2017
    TruckerPete1990, Jun 1, 2017
    #1
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  3. Jun 1, 2017 #2
    86mechanic

    86mechanic Medium Load Member

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    Maybe a leaking Injector cup
     
    86mechanic, Jun 1, 2017
    86mechanic, Jun 1, 2017
    #2
    TruckerPete1990 Thanks this.
  4. Jun 1, 2017 #3
    Hogleg

    Hogleg Medium Load Member

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    We get a weep out of the back of the water pump occasionally. Not all the time but enough to slowly use coolant.
     
    Hogleg, Jun 1, 2017
    Hogleg, Jun 1, 2017
    #3
    TruckerPete1990 Thanks this.
  5. Jun 1, 2017 #4
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    thats what i was thinking it is too...
     
    TruckerPete1990, Jun 1, 2017
    TruckerPete1990, Jun 1, 2017
    #4
  7. Jun 1, 2017 #5
    86mechanic

    86mechanic Medium Load Member

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    You could drop the oil pan and see if you can see coolant traces on one of the cylinders
     
    86mechanic, Jun 1, 2017
    86mechanic, Jun 1, 2017
    #5
  8. Jun 1, 2017 #6
    86mechanic

    86mechanic Medium Load Member

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    Northridge, CA
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    Could also be a small leak on a liner
     
    86mechanic, Jun 1, 2017
    86mechanic, Jun 1, 2017
    #6
  9. Jun 1, 2017 #7
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    Bentonville Arkansas
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    any idea what the cost maybe to get the injector cups tested?
     
    TruckerPete1990, Jun 1, 2017
    TruckerPete1990, Jun 1, 2017
    #7
  10. Jun 1, 2017 #8
    86mechanic

    86mechanic Medium Load Member

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    Not sure! Anyway, after thinking about it you said you had coolant in your oil, so it be more likely that it is a liner then a cup. Because if it was a cup you would have fuel in the coolant.
     
    86mechanic, Jun 1, 2017
    86mechanic, Jun 1, 2017
    #8
  11. Jun 2, 2017 #9
    TruckerPete1990

    TruckerPete1990 Road Train Member

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    Bentonville Arkansas
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    Hmm hope it's not a liner maybe I'll get lucky and it's a sleeve lol
     
    TruckerPete1990, Jun 2, 2017
    TruckerPete1990, Jun 2, 2017
    #9
  12. Jun 2, 2017 #10
    kwswan

    kwswan Road Train Member

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    A liner & a sleeve are the same thing.
     
    kwswan, Jun 2, 2017
    kwswan, Jun 2, 2017
    #10
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