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2005 Buick Terraza heater problems

Tiny
2CP-ARCHIVES
  • MEMBER
  • 2005 BUICK TERRAZA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 60,000 MILES
2005 Buick Terraza with 60K miles and the problem we are having is this: When we turn on the Heater, only the drivers far left vent blows hot air? The middle vents of which there are two of them in the center dash, only the left middle blows warm (not hot) air, the passengers blows cold as does the middle vent on the dash closest to the passenger? Any thoughts on this? The A/C blows fine, just the heater is split oddly in this fashion. Thank you in advance.
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Tuesday, October 19th, 2010 AT 11:36 PM

1 Reply

Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
You might want to have your dealership check to see if you have the latest HVAC module programming. I know a new version was released on Sept. 17,2007.
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Tuesday, October 19th, 2010 AT 11:40 PM

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