Dual issues ~ 99 Suburban AC problems & Rear Window

Discussion in 'General Chevy & GM Tech Questions' started by Butcho4prez, Aug 21, 2014.

  1. Butcho4prez

    Butcho4prez New Member

    Driving down the interstate with ice cold air blowing. Then it starts blowing hot air and then it switched over to just cool so what happened.

    Second on a 99 suburban why do the rear windows one goes halfway one with all the way. Thanks
     
    Last edited by a moderator: Aug 21, 2014
    ChevyFan likes this.
  2. RayVoy

    RayVoy Well-Known Member 2 Years 1000 Posts

    The AC problem sounds like it could be a temp actuator moving by it'self. The actuator moves a door that directs air flow over the heat core, or the AC evaporator.

    Or, the AC compressor is turning off and on, and not keeping the evaporator cold.
     
  3. jmcover

    jmcover Rockstar

    Rear windows on burb should go all the way. You may have a blockage, or a worn out regulator. It's pretty easy to pull the door panel and take a look inside to see what's going on.
     
  4. Butcho4prez

    Butcho4prez New Member

    Thanks fellas I bought an actuator today and the door part Sunday thanks a lot guys
     

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