Question about 2005 Chevrolet Avalanche

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Climate control problem

Cant get a/c or heat to blow at all and fans seem to be working and light indicating a/c is on works and a/c will blow as long as vehicle is moving but only blows very litte

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Clean cabin air filter

Posted on Sep 12, 2009

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2013 gmc climate control not working. No indicator lights. Seems to be heating and blowing in some default mode or last set point.


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Have a 2009 Nissan Quest I can't turn the heat off. Just stays on a high level of blowing out heat .


If you have a fan that has different speed settings (1234, or low med high etc) and the only one that works is high - then the blower resistor pack has failed. If you have a climate control unit (where you just pick a temp you want) then the fan is controlled by the heating system and it sets fan speed. If you have climate control style try lowering the temp to a lower setting (current temp in vehicle) and see if fan slows down. If not then climate control unit or fan resistor bad. If dial type and you get nothing on lower settings (only high works like mentioned above) you need to change blower resistor. It is located under dash near the fan itself. Look for small unit bolted in duct near fan with wire plug going to it.

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Lack of power, hesitation, climate control blowing hot air


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Why wont my a/c or heater fan come on?


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put a plastic tie around the flap on the heater motor when it blowing hot then it cant be closed by the automatic climatic control .

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