Warning
1. Disconnect the negative battery cable.
2. Remove the liftgate lower upper trim.
3. Press the liftgate harness connector's bracket, which is attached to the liftgate, to the (1) direction shown in the figure, and then detach the fit. Then remove the connector toward the (2) direction shown in the figure.
4. Disconnect the vehicle harness connector and the liftgate connector. Then remove the grommet from the liftgate.

5. Pry away the stay damper's band with a screwdriver.

6. Pry out the connecting part of the stay damper and the hinge with a screwdriver to disconnect them. Then remove the stay damper.
7. Remove the bolts A, then remove the liftgate.
8. To remove the hinge, remove the headliner and the nut.
9. To remove the stay damper, remove the bolt B.

10. Install in the reverse order of removal.
Liftgate
Liftgate disassembly/assemblyMazda 6 Service Manual: No.4 air intake mode does not change
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while performing the inspection to discover
whether poor contact points are the cause of any intermittent malfunctions.
If there is a problem, check to make sure connectors, terminal ...
Mazda 6 Service Manual: Tire Maintenance
Improper or inadequate vehicle maintenance can cause tires to wear abnormally.
Here are some important maintenance points:
Tire Inflation Pressure
Inspect all tire pressure monthly (including the spare) when the tires are cold.
Maintain recommended pressures for the best ride, top handling, an ...