Mazda CX-9 Grand Touring 2009 Manual page 452

REAR BUMPER REMOVAL NOTE
1. Pull the rear bumper ends (wheel arch) outward (1) to disengage from the bumper slider.
CAUTION:
2. Remove the rear bumper (2).
Fig. 19: Identifying Rear Bumper And Bumper Slider
Courtesy of MAZDA MOTORS CORP.
REAR BUMPER INSTALLATION NOTE
1. Spread the rear bumper ends apart.
2. Assemble the rear bumper to the body.
3. Press the rear bumper connecting area into the body to engage with the bumper slider.
REAR BUMPER DISASSEMBLY/ASSEMBLY
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly.
2008 Mazda CX-9 Grand Touring
2008 ACCESSORIES & BODY, CAB Body Panels - Mazda CX-9
When disengaging the rear bumper from the bumper slider, the
rear bumper could fall and be damaged. Secure the rear bumper
so that it does not fall.