Question about 2004 Chevrolet Avalanche

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Duel heat control works on one side, but the other only cold air

Just purchased a used 2004 avalanche and one the drivers side heat control works fine (ie: I can turn it from cold to hot), but the passenger side...my wife's side...will only come out cold even when turned to heat. Since it is winter she would appreciate my fixing this.

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You need a new passenger side temp door actuator. Honestly I would have a dealership do this because they can be a bit of a pain especially if you have the console up front in the middle. If you decide to do it yourself first remove the console, and take a good look at the new actuator, then look up under the dash on the side of the heater box and you will find the actuator. make sure it is the right one and DO NOT!! plug in the electrical connector to the actuator until it is securely mounted to the temp door and heater box. Thanks for choosing fixya!! good luck.

Posted on Mar 15, 2009

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