Heater blowing cold air on driver side

Good morning,

You have 2 blend door actuators. It sounds like they replaced the wrong one.

I attached the procedure and a picture of the drivers side actuator.

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

Roy

Removal and Installation

NOTE: It is not required to install the new LH temperature blend door linkage parts included in the LH temperature blend door actuator service part kit if only the temperature blend door actuator requires replacement and the linkage parts are not broken or binding.

LH temperature blend door actuator and linkage
1. Remove the 2 lower steering column opening cover bolts.
2. Detach the lower steering column opening cover.
3. Disconnect the in-vehicle temperature sensor aspirator hose and electrical connector.
4. Position the instrument panel wire harness away from the LH temperature blend door actuator.
5. Remove the 3 LH temperature blend door actuator screws.
6. Disconnect the LH temperature blend door actuator electrical connector.
7. Remove the LH temperature blend door actuator.
8. Manually operate, and inspect the LH temperature blend door linkage for incorrect placement, binding or damage.

LH temperature blend door linkage only
9. Detach the 2 retaining tabs and remove the LH temperature blend door linkage.



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LH temperature blend door actuator and linkage
10. To install, reverse the removal procedure.