1. Remove the clamps and vacuum hose.
2. Apply both suction and pressure to the engine-side hose, and verify that air blows only toward that side.

Air bleeding
Brake pedal inspectionMazda 6 Service Manual: Front lower arm (rear) removal/installation
1. Remove the front crossmember component. (See FRONT CROSSMEMBER
REMOVAL/INSTALLATION.)
2. Remove in the order indicated in the table.
3. Install in the reverse order of removal.
4. Inspect the front wheel alignment. (See FRONT WHEEL ALIGNMENT.)
Front Lower Arm (Rear) Ball Joint Removal N ...
Mazda 6 Service Manual: Control Switches
AUTO switch
By pressing the AUTO switch the following functions will be automatically controlled
in accordance with the selected set temperature:
Airflow temperature
Amount of airflow
Selection of airflow mode
Outside/Recirculated air selection
Air conditioner operation
NOTE
AUTO ...