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A/C Manual Fan

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by brandoo, Jun 15, 2020.

  1. Jun 15, 2020 #1
    brandoo

    brandoo Bobtail Member

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    Nov 17, 2014
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    Question my A/C fan cycles on and off when idling. Will It hurt the system if I just leave my fan on when idling?
     
    brandoo, Jun 15, 2020
    brandoo, Jun 15, 2020
    #1
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  3. Jun 15, 2020 #2
    Goodysnap

    Goodysnap Road Train Member

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    Jul 12, 2017
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    No it will not.

    Depending on the engine you can change ECM parameters for engine fan time. Longer fan on/off time will help with fan clutch life.
     
    Goodysnap, Jun 15, 2020
    Goodysnap, Jun 15, 2020
    #2
    BoxCarKidd and pushbroom Thank this.
  4. Jun 15, 2020 #3
    bad-luck

    bad-luck Road Train Member

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    No it will not. Actually you should leave the fan on when idling it will give you colder AC. Also will keep your engine temperature cooler
     
    bad-luck, Jun 15, 2020
    bad-luck, Jun 15, 2020
    #3
  5. Jun 15, 2020 #4
    brandoo

    brandoo Bobtail Member

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    Nov 17, 2014
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    Thanks fellas just replaced this bad boy don’t need it messing up. Considering is hotter then it’s ever been out here.
     
    brandoo, Jun 15, 2020
    brandoo, Jun 15, 2020
    #4
    Goodysnap Thanks this.
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