Only blows air from upper dash vents can't change but can switch rear on and off.
Dec 28, 2018 at 7:03 AM
Blend door actuator
2011 GMC ACADIA
RALPH BAKER
- MEMBER
- 1 POST
- FOLLOW
Advertisement
Good morning,
It sounds like you need a mode door actuator as that controls the movement of the mode door. this is a very common failure.
https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position
It is located behind the glove box on the passenger side.
Roy
It sounds like you need a mode door actuator as that controls the movement of the mode door. this is a very common failure.
https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position
It is located behind the glove box on the passenger side.
Roy
Images (Click to enlarge)
Dec 28, 2018 at 8:44 AM
Advertisement
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.