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Coolant loss

Discussion in 'Freightliner Forum' started by 4noReason, Apr 6, 2017.

  1. Apr 6, 2017 #1
    4noReason

    4noReason Road Train Member

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    Ok so im adding coolant. A lot. Like 2-3 gallons a day doing 600+ miles in a day. Now i took it to mechanic and hes like he sees nothing wrong. I look at some receipt i had from freightliner said def header coolant valve leak. So i see when im stopped its leaking. But it was after i was parked. Could it be while im moving its leaking from there but i see it on bottom of tank because it seeps down. I want to make sure it isnt drinking
     
    4noReason, Apr 6, 2017
    4noReason, Apr 6, 2017
    #1
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  3. Apr 6, 2017 #2
    nasriza

    nasriza Road Train Member

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    do you have any external leaks maybe old coolant did you check air tanks to make sure not ending up there
     
    nasriza, Apr 6, 2017
    nasriza, Apr 6, 2017
    #2
    4noReason Thanks this.
  4. Apr 6, 2017 #3
    mhyn

    mhyn Road Train Member

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    usually Cascadia leaks from that def heater solenoid valve and from cracked radiator tubes.. check the radiator. remove bumper to check the radiator.
     
    mhyn, Apr 6, 2017
    mhyn, Apr 6, 2017
    #3
    4noReason Thanks this.
  5. Apr 6, 2017 #4
    4noReason

    4noReason Road Train Member

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    Ya so i went to a shop. At first couldnr figure out squat
    I got underneath truck. I found def underneath tank leaking. Issue # issue#2 ok so steer tire go straight across in middle of truck. Lots of coolant dripping there. Lots. Bingo. Now i left truck there. And im hoping i get an answer and issue fixed soon. Time will tell. Just happy i seen the leak. As long as its not internal. Question is what is it. Its by engine but like in middle of it like where steer tires are but across them. Hard to explain area. So curious to know
     
    4noReason, Apr 6, 2017
    4noReason, Apr 6, 2017
    #4
  7. Apr 16, 2017 #5
    Bean Jr.

    Bean Jr. Road Train Member

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    EGR cooler? That would lose a lot of fluid, but not show where. It also wouldn't lose when sirting.
     
    Bean Jr., Apr 16, 2017
    Bean Jr., Apr 16, 2017
    #5
  8. Apr 28, 2017 #6
    nasriza

    nasriza Road Train Member

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    i know where the coolant is leaking from i just had a cascadia with same issue probably compressor coolant lines. just had on that had a pin hole leak i could have sworn if was leaking from top but it was actually realising it with psi.
     
    nasriza, Apr 28, 2017
    nasriza, Apr 28, 2017
    #6
  9. Apr 28, 2017 #7
    4noReason

    4noReason Road Train Member

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    Yes thats exactly what it was lol. It was fixed. Thanks
     
    4noReason, Apr 28, 2017
    4noReason, Apr 28, 2017
    #7
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