Mazda CX-9 Grand Touring 2009 Manual page 2111

DISC PLATE, SCREW INSTALLATION NOTE
1. Measure the inner diameter of the disc plate with a vernier caliper.
If it exceeds the maximum diameter, install the new disc plate.
Maximum rear disc plate inner diameter 191.0 mm {7.52 in}
2. Install the disc plate and screw.
3. Perform the following steps to adjust the shoe clearance after installing the disc plate and the screws.
Fig. 10: Measuring Inner Diameter Of Disc Plate
Courtesy of MAZDA MOTORS CORP.
1. Insert a flathead screwdriver into the service hole and turn the adjuster in the direction of the arrow
to expand the parking brake shoe until the disc plate cannot rotate.
Fig. 11: Adjusting Disc Plate Adjuster
Courtesy of MAZDA MOTORS CORP.
2008 Mazda CX-9 Grand Touring
2008 BRAKES Parking Brake System - Mazda CX-9