Ultra power 16124952 blend door actuator.
1999 buick lesabre blend door actuator location.
These are tied into several sensors that detect the outside temperature to compensate for incoming air inside air temperature and even a sensor to signal when a door.
The blend door actuators in a buick are electrically operated by blend door motors.
That resets the actuator there are two that you are concerned with the mode actuator on left hand side of case that controls direction and temperature or blend door actuator controls heat cold.
Buick 1999 lesabre 3 8l v6 heat air conditioning heater blend door actuator.
According to what i ve read online this problem occurs with models.
Rpo code cj2 front automatic temperature controls ultra power.
If this is auto temperature control where you set emp then it has to be scanned for codes.
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