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Blend door actuator not working properly

Tiny
DCHEF45
  • MEMBER
  • 2011 GMC ACADIA
  • 6 CYL
  • AUTOMATIC
  • 110,000 MILES
I have a the vehicle listed above SLT model. The vents won't switch between floor, upper or defrost. Some air comes out of all vents but can't turn any all the way off.
Tuesday, January 1st, 2019 AT 10:49 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,636 POSTS
Hello,

It sounds like you have a mode blend door actuator that is out which is common. Here is a guide to walk you through the steps and the location of the actuator and how to change them in the diagrams below:

https://www.2carpros.com/articles/replace-blend-door-motor

Check out the diagrams (below). Please let us know what happens.

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Wednesday, January 2nd, 2019 AT 11:36 AM

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