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The air flow directions is controlled by a mode door actuator. Here are the directions for replacement.
Mode Door Actuator - Defrost/Panel/Floor Door
Picture 1
Removal and Installation
1. Remove the instrument panel. For additional information, refer to Instrument Cluster / Carrier &/or Interior Moulding / Trim.
2. Disconnect the LH temperature blend door actuator electrical connector.
3. Remove the 2 LH temperature blend door actuator screws.
4. Remove the LH temperature blend door actuator.
5. Disconnect the in-vehicle temperature sensor aspirator hose connection.
6. Disconnect the DEFROST/PANEL/FLOOR mode door actuator electrical connector.
7. Remove the 3 DEFROST/PANEL/FLOOR mode door actuator and cam assembly screws.
8. Remove the DEFROST/PANEL/FLOOR mode door actuator and cam assembly.
9. To install, reverse the removal procedure.
10. NOTE: The purpose of the module actuator position calibration is to allow the HVAC module to reinitialize and calibrate the actuator stop points. To carry out calibration, carry out the following steps.
Remove the Smart Junction Box (SJB) fuse 15 for at least one minute. See: Power and Ground Distribution > Electrical > Power Distribution Diagrams
11. NOTE: When the ignition switch is switched to the ON position, the HVAC module will initialize and calibrate the actuators. Calibration of the actuators will take approximately 30 seconds.
Reinstall SJB fuse 15. Turn the ignition switch to the ON position and wait 30 seconds before verifying correct DEFROST/PANEL/FLOOR operation.
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As far as no heat from the left side, that is a blend air door actuator. Here are the directions for the left side actuator replacement.
First, here is the general procedure.
https://www.2carpros.com/articles/replace-blend-door-motor
Here are the specific directions.
Removal and Installation
See pic 2
NOTE: The LH temperature blend door actuator can be accessed from below the LH side of the instrument panel to the right of the accelerator pedal.
1. Disconnect the LH temperature blend door actuator.
2. Remove the 2 LH temperature blend door actuator screws.
3. Remove the LH temperature blend door actuator.
4. To install, reverse the removal procedure.
5. NOTE: The purpose of the module actuator position calibration is to allow the HVAC module to reinitialize and calibrate the actuator stop points. To carry out calibration, carry out the following steps.
Remove the Smart Junction Box (SJB) fuse 15 for at least one minute. See: Power and Ground Distribution > Electrical > Power Distribution Diagrams
6. NOTE: When the ignition switch is switched to the ON position, the HVAC module will initialize and calibrate the actuators. Calibration of the actuators will take approximately 30 seconds.
Reinstall SJB fuse 15. Turn the ignition switch to the ON position and wait 30 seconds before verifying correct DEFROST/PANEL/FLOOR operation.
Let me know if this helps or if you have other questions,
Joe
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Wednesday, October 14th, 2020 AT 12:51 PM
(Merged)