blowing only hot air from drivers side

Discussion in 'General Chevy & GM Tech Questions' started by mickey, Jul 27, 2008.

  1. mickey

    mickey New Member

    got a 05 silveradeo and start it up it blows cold when in the cold position, then it turns to hot when in cold position and air condition is on, passenager side is ok, turn off the truck and its ok for a few minutes then it blows hot again. is it a thermostat or something else.
  2. retired2001

    retired2001 Epic Member 5+ Years 5000 Posts

    Welcome, mine is doing about the same thing. Only it will blow as normal for awhile, then very hot air comes out all the vents. I divert it to the "defrost" until I can stop and restart the truck. Once restarted, it may be good for two or three days. Hard to trouble shoot a problem that comes and goes.
  3. collinsperformance

    collinsperformance Epic Member 5+ Years 500 Posts

    sounds like the blend door motor has gone bad. this is a common issue....mike

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