Did you check the temperature of the heater hoses going it and out of the cores to be sure there is circulation?
I would start there.
Can you hear the blend door move back and forth when you command heat and cool?
I attached a YouTube video for the front blend door.
NOTE: The auxiliary blend door actuator is shown; the auxiliary mode door actuator is similar.
1. Remove the LH quarter trim panel.
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2. Remove the electronic actuator.
1 Disconnect the connector.
2 Remove the screws.
3 Remove the electronic actuator.
1. To install, reverse the removal procedure.
Saturday, November 21st, 2020 AT 6:17 AM