Question about 1993 Buick Regal

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Heater Passenger side doesn't change

Hi

I have 1993 Buick Regal. It has dual controls for the driver and passenger.

When switching to heat for the winter, the driver side vents have heat coming out. The passenger side still has cold air. All of the settings work, Heat, Air, Vent, window vent etc. It is just the heat slide control isn't functioning properly for the passenger side.

I was told that there is some type of door that has to open and close depending on temp that it is set and that the door is probably stuck causing the cool air to come in.

My question is how do you get to this door to free it up.

Thanks in Advance
Keith Elford

Posted by on

  • phantm Oct 29, 2008

    Thanks for your expedient reply. I now have to know how to get to it. I assume it is within or under the dash on the passenger side. Once I get to it I can test it.



    Thanks

  • shorty83078 Jan 23, 2009

    1996 Buick Regal Dual Climate control. The driver side blows heat, in winter. the passenger blows cold from top to bottom......help

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  • Buick Master
  • 61,249 Answers

Most likely the blend door motor is defective.

Posted on Oct 29, 2008

  • yadayada
    yadayada Oct 29, 2008

    I think this requires removing the dash assy.

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