Question about 2006 Cadillac DTS

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The passenger side air conditioner vents do not blow cold air. The driver side air is cold as is the air from the rear seat vents. What can I do?

150,000 miles; never had a problem with the AC or any part of the car

Posted by Porter Kennington on

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1 Answer

Dave Ballard

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  • 63 Answers

U have a blend door inoperative. if u have dual climate control(passenger/drivers seperate heater/air controls u may have a defective switch or a defective interior air temp sensor. possible bad blend door motor as well-hope this helps

Posted on Aug 31, 2012

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5 Related Answers

Carlos Rojas

  • 119 Answers

SOURCE: Problem with AC, dual climate zones

The temperature blend door on the driver's side might be broken or stuck. Also, if this vehicle does not have the correct amount of refrigerant, it will do what you are describing.

Posted on May 22, 2008

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Anonymous

  • 4 Answers

SOURCE: 1999 cadillac Deville cold air blowing out passenger side vents

Sounds like a Blend door issue, but could be the controller switch, Test ALL modes of operation to see what works and what does not. That should narrow it down a bit. The Blend doors are flap/ doors that regulate air flow, newer vehicles are plastic - electric assemblies ...prone to failure. Any clicking or thumping noises during switching modes and on-off suggest a bad Blend door. Hope that helps...good luck

Posted on Jan 12, 2009

honeymokey

honeymokey

  • 3113 Answers

SOURCE: Cold AC but weak Airflow---Also Driver side not as cold as passenger

The air doors are controlled by actuators that on of them or so may need replacing.

Posted on May 09, 2009

Anonymous

  • 1 Answer

SOURCE: 99 STS AC is blowing hot air

I had the same problem but it was blowing hot air on the passenger side of the car. I assume you have the dual zone controls that I have as well. The problem is most likely the damper that controls the flow of hot and cold air into the car. The motorized component of the damper is most likely not working and its stuck in the hot air position.

I had mine replaced by a repair shop so I cant tell you how to replace it but it may be something that you can do if you have the time and patience to work on it.

Good luck

Posted on Jun 09, 2009

Anonymous

  • 109 Answers

SOURCE: ac vents

One of the temperature actuators are not working it has 2, one for each side.

Posted on Jun 28, 2009

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