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coolant lost on columbia 04 we changed egr valve and cooler still have problem of coolant dissapeari

Discussion in 'Freightliner Forum' started by brooklynhitman, Jul 18, 2018.

  1. Jul 18, 2018 #1
    brooklynhitman

    brooklynhitman Bobtail Member

    16
    2
    Mar 2, 2014
    0
    coolant dissapears no visible leaks,egr valve replaced as egr cooler no visible leaks have noticed a little streak of coolant by egr and water pump any ideas
     
    brooklynhitman, Jul 18, 2018
    brooklynhitman, Jul 18, 2018
    #1
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  3. Jul 21, 2018 #3
    4vmach1

    4vmach1 Light Load Member

    184
    72
    Apr 3, 2013
    Los Angeles, CA
    0
    How much are you losing? How does the oil look? Does it smell like coolant with the heater on in the cab and sleeper? It can be liner seals if your oil looks contaminated, water-pump when it's working under load, or heater cores leaking coolant externally. If you're losing gallons of coolant and the truck is sitting for a few days take the drain plug off and the water will be in the bottom and the oil will be on the top. Usually this oil and coolant mixture looks grey.
     
    4vmach1, Jul 21, 2018
    4vmach1, Jul 21, 2018
    #3
  4. Jul 21, 2018 #3
    brooklynhitman

    brooklynhitman Bobtail Member

    16
    2
    Mar 2, 2014
    0
    You mean the water pump is not working properly, I noticed the temp don't go up quickly it stays around 150 and eventually goes up to about 180 under a load it loses coolant running pty it's good ,no smell when heater on no traces on oil.thanks for reply
     
    brooklynhitman, Jul 21, 2018
    brooklynhitman, Jul 21, 2018
    #3
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