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Coronado 2017 Glider issue warm air

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by simpletruckerr, Nov 1, 2020.

  1. Nov 1, 2020 #1
    simpletruckerr

    simpletruckerr Bobtail Member

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    Nov 1, 2020
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    Hi, can anyone help plzz

    2017 Glider Coronado getting warm air
    1. New heater cores front n back
    2. Coolant lines are hot under the hood
     
    simpletruckerr, Nov 1, 2020
    simpletruckerr, Nov 1, 2020
    #1
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  3. Nov 2, 2020 #2
    simpletruckerr

    simpletruckerr Bobtail Member

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    Nov 1, 2020
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    Plz help. I took 3 times to mechanic. Still no luck
     
    simpletruckerr, Nov 2, 2020
    simpletruckerr, Nov 2, 2020
    #2
  4. Nov 2, 2020 #3
    lester

    lester Midwest's #1 Feed Hauler

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    NW, Iowa
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    I don't understand your issue? Air not hot enough or not blowing cold
     
    lester, Nov 2, 2020
    lester, Nov 2, 2020
    #3
    spsauerland and magoo68 Thank this.
  5. Nov 2, 2020 #4
    simpletruckerr

    simpletruckerr Bobtail Member

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    Nov 1, 2020
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    Air blowing warm air not hot enough.
    A/C working fine blowing cold.
    But heat is not enough hot. Just warm
     
    simpletruckerr, Nov 2, 2020
    simpletruckerr, Nov 2, 2020
    #4
  7. Nov 2, 2020 #5
    uncleal13

    uncleal13 Road Train Member

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    Had a Western Star. Found the temperature control cable was mounted too far up on the lever for the valve. Caused the temperature valve to only open partially.
    I mounted the cable in a hole closer to the valve stem, giving it more travel. lots of heat after that.
     
    uncleal13, Nov 2, 2020
    uncleal13, Nov 2, 2020
    #5
    AModelCat and simpletruckerr Thank this.
  8. Nov 2, 2020 #6
    ZVar

    ZVar Road Train Member

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    Is there a valve to shut the heater core off? Has been on several trucks I've driven....
    Love for a water spigot like valve and open it up...
     
    ZVar, Nov 2, 2020
    ZVar, Nov 2, 2020
    #6
    simpletruckerr Thanks this.
  9. Nov 2, 2020 #7
    lester

    lester Midwest's #1 Feed Hauler

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    NW, Iowa
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    Assume engine water temp is running warm enough as well. I like the other guys theory of water temp control valve not opening fully. But hard to believe 3 shops couldn't figure it out
     
    lester, Nov 2, 2020
    lester, Nov 2, 2020
    #7
    simpletruckerr Thanks this.
  10. Nov 30, 2020 #8
    simpletruckerr

    simpletruckerr Bobtail Member

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    Nov 1, 2020
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    Should i take the truck to Freightliner dealer? Cause all other mechanics rejecting to look at this problem, saying too much time. Or can i do it myself? Would be really good if someone explains where is what? So i could look it up by myself. (Btw i am not that profi, i m new with this glider)
     
    simpletruckerr, Nov 30, 2020
    simpletruckerr, Nov 30, 2020
    #8
  11. Dec 4, 2020 #9
    simpletruckerr

    simpletruckerr Bobtail Member

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    Nov 1, 2020
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    2 days ago changed thermostat, still no luck. Only warm air.
     
    simpletruckerr, Dec 4, 2020
    simpletruckerr, Dec 4, 2020
    #9
  12. Dec 4, 2020 #10
    lester

    lester Midwest's #1 Feed Hauler

    2,918
    7,873
    Jan 2, 2012
    NW, Iowa
    0
    Gotta be a blend door or a blend valve of some sort.
     
    lester, Dec 4, 2020
    lester, Dec 4, 2020
    #10
    simpletruckerr and Roberts450 Thank this.
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