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ac blowing hot/cold

  1. Ac Fuse Problems

    911 Problems Forum
    About a month ago i was driving to work in the morning and my ac was blowing nice and cool and i had only had my truck running about 5 minutes max and then it started blowing hot air. about lunch time that day i was talking to my father and he said it might be the fuse so i changed it and it...
  2. AC blowing hot on passenger side

    06-07 LBZ & LLY Duramax Powertrain
    Ok, so I have a predicament. Have the digital control head for the HVAC system. With the AC set on 60 degrees on both sides, recirculator on or off doesn't matter, the driver side of the truck blows cold and the passenger side blows hot. Have an edge tuner that was set on level 4. Have taken...
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