1. Remove the upper anchor of the front seat belt.
2. Remove the B-pillar lower trim.
3. Turn the seaming welt over.

4. Pull the B-pillar upper trim toward you, then disengage, clip B, and pin C from the body.
5. Disengage hook A from the body, then remove B-pillar upper trim.
6. Install in the reverse order of removal.
B-pillar lower trim removal/installation
Front side trim removal/installationMazda 6 Service Manual: Front shock absorber disposal
Warning
Whenever drilling into a shock absorber, wear protective eye wear.
The gas in the shock absorber is pressurized, and could spray metal chips
into the eyes and face when drilling.
1. Clamp a shock absorber on a flat surface or with the piston pointing
downwards.
2. Drill a 2-3 ...
Mazda 6 Service Manual: Rocking the Vehicle
WARNING
Do not spin the wheels at more than 56 km/h (35 mph), and do not allow
anyone to stand behind a wheel when pushing the vehicle: When the vehicle
is stuck, spinning the wheels at high speed is dangerous. The spinning tire could
overheat and explode. This could cause serious injuries.
...