Defrost only

By Jim Muelken
January 10, 2020 in DIY Guides & Reference Library

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Jim Muelken

Posted January 10, 2020

I have a 2016 Yukon Denali, air only going through the defrost up by the windshield. Pulled apart the dash and found that the AC heating box seems like the vent door is stuck. The blend door actuator is working properly. Any idea how to free this door without pulling the dash completely apart?

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