Hello,
Yes, it sounds like you have a temperature blend door actuator that is not working right. Here is a guide to help you see what you are in for when replacing the actuator:
https://www.2carpros.com/articles/replace-blend-door-motor
Here are the locations of all blend door actuators in case you need it later down the road. I would replace the temperature actuator.
Check out the diagrams (below).
Let us know what happens and please upload pictures or videos of the problem.
Cheers, Ken
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Tuesday, March 6th, 2018 AT 1:16 PM