Drivers side blows hot air but passenger side blows out cold air. on 2000 Buick Park Avenue

Actuator on passenger side is ok as it was checked. What could be the problem?

by in Glenwood, AR on December 11, 2012
2 answers
ANSWER by on December 11, 2012
scan hvac for codes and post so we can adv. poss d/s actuator
ANSWER by on December 11, 2012
Have competent shop check this has a very COMPLEX climate control system.
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AC blows hot on driver side and cold on passenger side
The mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.

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