AUTOMATIC DUAL A/C AND HEATER CONTROLS

  • Tiny
  • Chumel
  • Pontiac

I have a 1999 Gran Prix GT that blows hot air on the driver side only no matter what you set the temperatur at, the passenger side works fine. What could be the problem?

Friday, April 13th, 2007 AT 10:57 PM

1 Answer

  • Tiny
  • Jack42
  • Member

Sounds like you have a blend door operation problem under the dash in the HVAC plenum.

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Tuesday, April 24th, 2007 AT 8:34 AM

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