378 Pete ac stop working

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by klcrawfordklc, Jun 3, 2020.

  1. klcrawfordklc

    klcrawfordklc Bobtail Member

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    Jun 3, 2020
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    I have a 2006 peterbilt 378 just recently charged ac but now my ac stop blowing in the cab but bunk still comes on but doesn’t get cold. I replaced ac control switch (which cost me $700 bucks) and blower motor resistor. But still not working, can someone please help? All suggestion are welcomed
     
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  3. boneebone

    boneebone Road Train Member

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    Mar 13, 2009
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    Did you check too see if the cab blower motor is working?

    If it’s working, than you either have a freon leak somewhere or your A/C compressor is toast.
     
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