Review on ACDelco GM OE 15-73666 Temperature Mode Valve Actuator Assembly by Anuj Mierzejewski

Replaced passenger side actuator to control airflow to another vent in the 2009 Chevy crosshead. Worked as stated. Glove box and under cover must be removed to access. A used cordless impact wrench with a 6 inch flexible shaft connected to a 90 degree adapter that holds a Torx T20 bit. The easiest access is from below. After installing the new part, remove and replace the 15A HVAC fuse in the panel under the lower right side of the glove box to reset the system. Presto - Blow the air back into the top vents as instructed.