have cold air on left vents and hot air on right vents?
You have to check the vent door motors actuators if they are not damaged .
Check hose lines that go to the heater core or heater core cloged .
Thanks ,where is the right side vent door motor.
two vents on driver side always blowing hot air, but the two vents on passage side blows cold when a/c is on and hot air when heater is on .....passager works normally its the two vents on driver side that's the problem
Blow cold. Air left. SIde Hot on right show pitcher of problem
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