1. Remove the air cleaner case. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
2. Disconnect the vacuum hose from the VAD shutter valve actuator.
3. Connect a vacuum pump to the VAD shutter valve actuator.
4. Apply vacuum and verify that the rod moves.
Mazda 6 Service Manual: Front lower arm (front) removal/installation
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
Front Lower Arm (Front) Ball Joint Removal Note
Separate the ball joint from the knuckle using the SSTs.
Front Lower Arm (Front) Bushing (Inner Side) Removal Note
Press the bushing (inner side) out ...
Mazda 6 Service Manual: Scheduled Maintenance (U.S.A., Canada, and Puerto Rico)
Follow Schedule 1 if the vehicle is operated mainly where none of the following
conditions (severe driving conditions) apply.
Repeated short-distance driving
Driving in dusty conditions
Driving with extended use of brakes
Driving in areas where salt or other corrosive materials are used
...