When heater is on cold air comes out of drivers.

Tiny
SGTMAJ28
  • MEMBER
  • 2002 GMC ENVOY
  • 105,000 MILES
When heater is on cold air comes out of drivers side vents passenger vents have warm air copming out
Wednesday, November 28th, 2012 AT 3:07 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
One of the actuators is screwed up it's eitehr the actuator or the door is broken or it's not getting power which would mean the control module. They are 1/&2 on drawing.
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Wednesday, November 28th, 2012 AT 4:27 PM

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