Climate control

1991 CHEVROLET CHEYENNE
300,000 MILES • 4.3L
Avatar
DANCOLLIER
  • MEMBER
  • 1 POST
The arrows lights on the climate control are blinking on and on and the actuator door for defrost and the vents and floor do not work.
Nov 4, 2018 at 5:06 PM
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.
Advertisement
Avatar
STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
The lights will blink when one of the actuators is not working. Here is a guide to help you see what you are in for when changing the mode actuator out and the location of the actuator for your truck below:

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

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

Cheers, Ken
Image (Click to enlarge)
Attached Media
Nov 6, 2018 at 10:45 AM
Advertisement