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The ac compressor works & I can hear the blower motor working & aircomes out of the bottom vents but no wher else 2007 GMC Savana 2500

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There are a series of "blend doors" that control the temperature and location of air flow (defrost vs floor vs front vents, etc). I suspect that one of the actuator motors has malfunctioned. You'll have to get into the dash on the passenger side to see which one isn't working properly.

Posted on May 27, 2011

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