Hello,
It sounds like the blend door has broken loose from the pivot. But to be sure can you remove the blend door actuator and turn the system on to see if the actuator has full range also move the blend door pivot by hand to see if the door will swing and close in both directions?
Here is a guide that can help:
https://www.2carpros.com/articles/replace-blend-door-motor
Check out the diagrams (below). Please run down this guide and report back.
Cheers, Ken
Images (Click to make bigger)
SPONSORED LINKS
Thursday, October 18th, 2018 AT 10:32 AM