Question about 2002 GMC Yukon XL

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Passenger side blows hot everywhere else is cold

When i turn the passenger side to cold it is mixed with hot air. If i turn it up it gets really hot. The AC is on during this. How do I reset the temp? or what should I do?

John

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First check your refrigerant or pay someone to do it, you need a special guage. if the refrigerant is low or empty, it will blow hot air because there is no cooling happening. most likley this is the problem, if it is not you may need to hire a mechanic.

or there is a flap that switches from hot to cold. it blocks each "exhaust" sounds like its stuck,you need to find the schematics for the car and trace down the electronic component(s) for this(dont know what its called)

Posted on Feb 25, 2009

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