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Cummins ISX 500

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Koolk, Apr 18, 2013.

  1. Apr 18, 2013 #1
    Koolk

    Koolk Bobtail Member

    42
    7
    May 19, 2011
    Richmond, BC
    0
    Hi guys, i have a 2006 KW with Cummins ISX. Recently I seem to have a coolant loss issue.
    The Coolant was low and could not find any leaks on outside anywhere. Topped up Coolant and ran the Truck for a few days. When working it hard it blew coolant out of Radiator overflow port. Then low coolant warning comming on!
    Thought it was the cap so we replaced it. Also replaced coolant sensor.
    You can smell coolant when the fan kicks and also see some spray against hood. ( the overflow drip line is missing).
    Any help appreciated cant seem to put a finger on this one.
    History of Truck is Head Gasket 3 years ago. Egr Cooler , EGR and Turbo 2 years old!
    Seems to pull good and runs smooth! Just tried another new cap 15psi, still same!
    The resorvoir is not empty just makes it low enough to trigger light! Thanks.
     
    Koolk, Apr 18, 2013
    Koolk, Apr 18, 2013
    #1
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  3. Apr 18, 2013 #2
    Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    EGR cooler is the most likely culprit. Check that first.
     
    Heavyd, Apr 18, 2013
    Heavyd, Apr 18, 2013
    #2
  4. Apr 18, 2013 #3
    Koolk

    Koolk Bobtail Member

    42
    7
    May 19, 2011
    Richmond, BC
    0
    Ok, gonna have cooler tested
     
    Koolk, Apr 18, 2013
    Koolk, Apr 18, 2013
    #3
  5. Apr 18, 2013 #4
    nasriza

    nasriza Road Train Member

    2,398
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    Feb 1, 2013
    Chicago, IL
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    Check if you have eat while on idle it could be a head issue like a cup or gasket maybe even the air compressor run a 1/4 air hose to the air compressor shut off that way it does not work and check it out after a bit and see if its making any pressure in the coolant
     
    nasriza, Apr 18, 2013
    nasriza, Apr 18, 2013
    #4
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