1. Disconnect the negative battery cable.
2. Remove the trunk lid trim (liftgate lower trim). (See TRUNK LID TRIM REMOVAL/INSTALLATION) (See LIFTGATE LOWER TRIM REMOVAL/INSTALLATION)
3. Remove in the order indicated in the table.


4. Install in the reverse order of removal.
Inboard Combination Light Installation Note
1. Insert the inboard combination light into the trunk lid (liftgate) as shown in the figure, then pivot it inward and fix in place.

2. Pleace the bracket in the proper position as shown in the figure and press it to the trunk lid (liftgate) to attach.

Rear combination light removal/installation
High-mount brake light removal/installationMazda 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
...
Mazda 6 Service Manual: Timing chain
TIMING CHAIN REMOVAL/INSTALLATION
Warning
Fuel vapor is hazardous. It can very easily ignite, causing
serious injury and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage are dangerous. Fuel can ignite and
cause serious injures or death and damage. Fuel ...