You are correct. The actuator is not working all the time. I would definitely replace it.
-Disable SIR system. See: Air Bag(s) Arming and Disarming > Service and Repair
1. I/P Compartment insert by pulling rearward.
2. Temperature valve link rod from plastic retainer on temperature valve.
3. Electrical connector.
4. Passenger air mix valve actuator screws and actuator.
-Adjust passenger temperature valve link rod after installation, refer to "Passenger Temperature Valve Link Adjustment" See: Air Door Actuator / Motor, HVAC > Adjustments
Monday, November 12th, 2018 AT 11:09 AM