Coolant Question

Discussion in 'Kenworth Forum' started by Smalltowniowa, Jul 5, 2018.

  1. Smalltowniowa

    Smalltowniowa Bobtail Member

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    I kind of have a dumb question. Can I add straight water to my coolant reservoir? I was told I could, but not to do it all the time. I've also been told flat out no. It's a 2006 kenworth T600 if it's any help. Thanks for your time.
     
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  3. bocker

    bocker Light Load Member

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    Jun 29, 2018
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    I guess it depends on whether you have premixed coolent if you must then add demineralized water, but in doing so you will delete chemicals added in coolent to protect cylinder liners and then should monitor with test strips
     
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  4. IluvCATS

    IluvCATS Road Train Member

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    I’ve been adding only water for 2 years.:)
     
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  5. Smalltowniowa

    Smalltowniowa Bobtail Member

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    It's got an EGR, no def.
     
  6. Smalltowniowa

    Smalltowniowa Bobtail Member

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    I also forgot, yes it does have premixed coolant. (Green)
     
  7. Smalltowniowa

    Smalltowniowa Bobtail Member

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    What kind of truck you got? Motor, year, etc? Haha
     
  8. IluvCATS

    IluvCATS Road Train Member

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    2015 kw t680 Cummins It’s only needed topping off from time to time.
     
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  9. Smalltowniowa

    Smalltowniowa Bobtail Member

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    Mines a cummins isx aswell.
     
  10. IluvCATS

    IluvCATS Road Train Member

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    My coolant still looks red so I figure it’s ok.:)
     
  11. Smalltowniowa

    Smalltowniowa Bobtail Member

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    Haha mine happens to be green.
     
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