HEAT

  • Tiny
  • paulvoitek
  • 2005 Buick Terraza
  • 6 CYL
  • 2WD
  • automatic
  • 107,000 miles

I have a 2005 buick terraza. This has happened twice over a month. Both heat controls are on hot. The drivers side is cold and the passenger is hot. How do I fix?

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Thursday, February 10th, 2011 AT 6:10 PM

1 Reply

  • Tiny
  • Wrenchtech
  • Expert
  • 20,041 posts

The temperature is controlled by the use of an air mix door that is operated by an electric motor/actuator. This door can be jammed or the actuator can be inoperative or have stripped plastic gears internally.

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Thursday, February 10th, 2011 AT 6:42 PM

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