automatic dual A/C and heater controls

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CHUMEL
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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?
Apr 13, 2007 at 10:57 PM
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2CARPRO JACK
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Sounds like you have a blend door operation problem under the dash in the HVAC plenum.
Apr 24, 2007 at 8:34 AM