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2013 cascadia dd15 ac

Discussion in 'Freightliner Forum' started by purpleprime, Jun 25, 2014.

  1. Jun 25, 2014 #1
    purpleprime

    purpleprime Medium Load Member

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    May 30, 2013
    spickard, mo
    0
    My ac works great as long as I'm moving if I come to stop lights or idling I get warm air my first thought is the main fan supposed to run anytime the air is on ?
     
    purpleprime, Jun 25, 2014
    purpleprime, Jun 25, 2014
    #1
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  3. Jun 25, 2014 #2
    Plan-B Trucking

    Plan-B Trucking Light Load Member

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    Apr 20, 2014
    Huntington Beach, CA
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    Plan-B Trucking, Jun 25, 2014
    Plan-B Trucking, Jun 25, 2014
    #2
  4. Jun 25, 2014 #3
    Freightlinerbob

    Freightlinerbob Road Train Member

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    Jan 15, 2012
    West Coast B.C.
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    Sounds to me like the engine fan isn't running when it should although you haven't quite said that. So I conclude that while you are moving, there is enough airflow to make the AC work but while you are stopped, there isn't any airflow and the fan should take over but isn't. Do you have a fan over- ride switch? If so, try turning it on while stopped and see what happens.
     
    Freightlinerbob, Jun 25, 2014
    Freightlinerbob, Jun 25, 2014
    #3
  5. Jun 25, 2014 #4
    purpleprime

    purpleprime Medium Load Member

    681
    720
    May 30, 2013
    spickard, mo
    0
    I don't believe it is running but I wasn't sure if it was supposed to be I know it comes on when the engine gets to about 210 cause I hear it . so I guess my question is should it be coming on at idle if I turn the ac on?
     
    purpleprime, Jun 25, 2014
    purpleprime, Jun 25, 2014
    #4
  7. Jun 25, 2014 #5
    Freightlinerbob

    Freightlinerbob Road Train Member

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    Jan 15, 2012
    West Coast B.C.
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    Yes. Periodically. The fan cools the condenser when airflow isn't sufficient, much like when the fan comes on to cool the engine.
     
    Last edited: Jun 25, 2014
    Freightlinerbob, Jun 25, 2014
    Freightlinerbob, Jun 25, 2014
    #5
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