1. Remove the high-mount brake light.
2. Fold the rear seat back.
3. Remove the fasteners.

4. Pull the rear package trim upward, then disengage the clips from the body.
5. Disengage the hooks, then remove the rear package trim.
6. Install in the reverse order of removal.
Tire house trim removal/installation
Trunk side trim removal/installationMazda 6 Service Manual: Dual proportioning valve replacement (without abs)
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
Dual Proportioning Valve Installation Note
Install the dual proportioning valve so that the R mark faces the left side
of the vehicle.
...
Mazda 6 Service Manual: Oil cooler disassembly/assembly
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly.
Radiator Outer Tank (In Tank Oil Cooler) Removal Note
1. Inspect the height of the header tabs.
2. Insert the end of a medium tip screwdriver between the end of the header
tab and the out ...