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I have a 2004 Chevy Tahoe with dual zone air conditioning plus rear air conditioner. My problem is on the 2 driver vents only it keeps going from cool air to hot air. After you drive for a while it is all hot air coming out of these 2 vents. All the other vents (passenger & rear vents) are blowing cold air.

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If the truck has a dual zone temperature control in the center console then this is most likely your problem as alot of times when these go bad the think the driver side is too cold and turn the heat on to warm it up thus giving you warm air through the vents on the driver side.

Posted on May 27, 2010

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