Good afternoon,
You have a mode door actuator that changes the direction of the air flow when you command different directions.
https://www.2carpros.com/articles/air-vents-stay-in-the-defrost-position
I attached the procedure and some pictures for you.
Roy
REMOVAL PROCEDURE
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1. Remove the floor air outlet duct extension (1) from the floor duct (2).
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2. Disconnect the electrical connection at the mode actuator (10).
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3. Remove the mode actuator mounting screws from the HVAC module.
4. Remove the mode actuator as an assembly with the actuator cam.
Images (Click to make bigger)
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Thursday, February 11th, 2021 AT 11:09 AM