1. Remove the front scuff plate.
2. Remove the rear scuff plate.
3. Pull the area marked A, then remove one side of the B-pillar lower trim.

4. Pull the B-pillar lower trim, then remove the pin from the body.
5. Remove the B-pillar lower trim.
6. Install in the reverse order of removal.
A-pillar trim installation
B-pillar upper trim removal/installationMazda 6 Service Manual: Steering wheel and column removal/installation
Warning
Handling the air bag module improperly can accidentally deploy the
air bag module, which may seriously injure you. Read AIR BAG SYSTEM WARNINGS
before handling the air bag module. (See SERVICE WARNINGS.)
1. Remove in the order indicated in the table.
2. Install in the reverse o ...
Mazda 6 Service Manual: Variable air duct (vad) shutter valve inspection (l3)
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.
If the rod dose not move, replace the a ...