Ac not blowing cold

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by ADupre, Jun 6, 2020.

  1. FinkPloyd

    FinkPloyd Light Load Member

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    Sep 2, 2015
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    Double post
     
    Last edited: Jun 7, 2020
    Reason for edit: Double post
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  3. FinkPloyd

    FinkPloyd Light Load Member

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    Sep 2, 2015
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    First get a set of gauges that measure both the high and low side of your ac system not those cheapo ones from walmart that only measure low pressure. A little trick I learned is spray down your condensor and see if your ac starts blowing cold, its good to do this trick with gauges hooked up so you can see the line pressure drop. If it does you are not getting enough air through to remove the heat.
     
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  5. Inderjit

    Inderjit Heavy Load Member

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    Sep 17, 2017
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    What make and model of truck are you working on?
     
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