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freightliner columbia ac issue

Discussion in 'Trucks [ Eighteen Wheelers ]' started by truckerbangin, Sep 5, 2017.

  1. Sep 5, 2017 #1
    truckerbangin

    truckerbangin Light Load Member

    266
    44
    Jan 22, 2013
    0
    good day all have a 05 columbia day cab with 14l Detroit when i cut switch on ac light comes on but the blower fan and ac clutch is not kicking in. ac system is pressurized and switches seem to be in spec. any ideas on what can cause this issue?
     
    truckerbangin, Sep 5, 2017
    truckerbangin, Sep 5, 2017
    #1
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  3. Sep 5, 2017 #2
    boneebone

    boneebone Road Train Member

    2,296
    2,367
    Mar 13, 2009
    0
    Check the blower resistor, relays or fuses.
     
    boneebone, Sep 5, 2017
    boneebone, Sep 5, 2017
    #2
  4. Sep 5, 2017 #3
    Getsinyourblood

    Getsinyourblood Road Train Member

    1,270
    1,784
    Jul 5, 2014
    Retired. North Texas
    0
    Agree.

    I drove a 2005 columbia w/ a Detroit for a few years. The fan is located under the passenger's seat. When my fan stopped blowing, the problem was the fan was all gunked up with dirt and grease, and didn't want to turn. There should be some intake vents on the right hand side of the case that sits on top of the fan. Open those vents and take a look. I gently tapped the case with a hammer and the fan would start running. Did that for about a week.
     
    Getsinyourblood, Sep 5, 2017
    Getsinyourblood, Sep 5, 2017
    #3
  5. Sep 5, 2017 #4
    frt60

    frt60 Medium Load Member

    312
    266
    May 22, 2014
    0
    Blower motor bad . If blower dosent work the compessor won't engage there is a diode in the fan that goes bad
     
    frt60, Sep 5, 2017
    frt60, Sep 5, 2017
    #4
    truckerbangin and Getsinyourblood Thank this.
  7. Sep 21, 2017 #5
    truckerbangin

    truckerbangin Light Load Member

    266
    44
    Jan 22, 2013
    0
    Thanks guys turned out to be blower motor was bad
     
    truckerbangin, Sep 21, 2017
    truckerbangin, Sep 21, 2017
    #5
  8. Sep 19, 2021 #7
    parsukh

    parsukh Bobtail Member

    1
    0
    Sep 19, 2021
    0
    my ac blower fan not running and compress not working, replace the ac blower fan , now everything work good, if ac blower fan not running ,ac compressor will not work
     
    parsukh, Sep 19, 2021
    parsukh, Sep 19, 2021
    #7
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