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Coolant being pushed out the overflow

Discussion in 'Ask An Owner Operator' started by J. Bailey Trucking, Feb 10, 2021.

  1. Feb 10, 2021 #1
    J. Bailey Trucking

    J. Bailey Trucking Bobtail Member

    1
    0
    Feb 10, 2021
    Calgary, Alberta, Canada
    0
    Hi all John from Western Canada. I have a 2013 KW T800 with the MX13 Paccar engine and 800156 km or 500000 miles. The issue is coolant being pushed out the overflow bottle, the head and gasket are good piston liners and block are good so what I am asking is has anyone had this issue and the cause was the Air Compressor causing the engine to be pressured up and causing the coolant to be pushed out. I know a faulty Compressor can over pressure the engine and push oil out the dip stick or filler tube but haven't seen it cause coolant from the overflow. Has anyone dealt with this and was the Air Compressor the cause of the issue?? I hope someone can help me out. Thank you
     
    J. Bailey Trucking, Feb 10, 2021
    J. Bailey Trucking, Feb 10, 2021
    #1
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  3. Feb 10, 2021 #2
    Socal Xpress

    Socal Xpress Road Train Member

    1,855
    1,958
    Dec 6, 2014
    Los Angeles, Ca
    0
    This has happened to my Volvo with D13. Head gasket on the compressor went bad and pushed coolant out the overflow. The wet tank also had coolant inside. The EGR cooler will also pressurize the cooling system.
     
    Socal Xpress, Feb 10, 2021
    Socal Xpress, Feb 10, 2021
    #2
  4. Jan 26, 2023 #3
    linares

    linares Bobtail Member

    4
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    Jan 26, 2023
    0
    I replace the air compressor and egr cooler still have pressure in the coolant
     
    linares, Jan 26, 2023
    linares, Jan 26, 2023
    #3
  5. Jan 26, 2023 #4
    D.Tibbitt

    D.Tibbitt Road Train Member

    21,605
    147,312
    Apr 26, 2013
    Gettin' down westbound
    0
    How much pressure do u have ? Is it blowing out of the overflow tank, when u go down the road?
     
    D.Tibbitt, Jan 26, 2023
    D.Tibbitt, Jan 26, 2023
    #4
  7. Jan 26, 2023 #5
    abyliks

    abyliks Road Train Member

    3,855
    8,978
    May 2, 2010
    ludlow MA
    0
    Let it puke a little bit and see if it stops, usually after I dump coolant for something or another i overfill it and it wants to get back down to the level it’s happy at
     
    abyliks, Jan 26, 2023
    abyliks, Jan 26, 2023
    #5
    SL3406 and shanman Thank this.
  8. Jan 27, 2023 #6
    linares

    linares Bobtail Member

    4
    0
    Jan 26, 2023
    0
    at high idle trying to get to temp
     
    linares, Jan 27, 2023
    linares, Jan 27, 2023
    #6
  9. Jan 27, 2023 #7
    linares

    linares Bobtail Member

    4
    0
    Jan 26, 2023
    0
    now going to remove valve cover and check the torque on the head bolts.
     
    linares, Jan 27, 2023
    linares, Jan 27, 2023
    #7
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