Mazda CX-9 Grand Touring 2009 Manual page 542

Minimum rear disc plate thickness after machining using a brake lathe on-vehicle 16.8 mm
{0.66 in}
DISC PAD THICKNESS INSPECTION
1. Jack up the rear of the vehicle and support it with safety stands.
2. Remove the wheels.
3. Verify the remaining thickness of the pads.
Replace the pads as a set: right and left wheels, if either one is at or less than the minimum
thickness.
Minimum rear disc pad thickness 2.0 mm {0.08 in}
Fig. 32: Locating Disc Pad Thickness
Courtesy of MAZDA MOTORS CORP.
REAR BRAKE (DISC) REMOVAL/INSTALLATION
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
3. After installation, add brake fluid, bleed the air, and inspect for fluid leakage. (See AIR BLEEDING.)
4. After installation, do the following.
1. Depress the brake pedal a few times. Then verify that the brakes do not drag.
2. Inspect the parking brake pedal stroke. (See PARKING BRAKE INSPECTION .)
2008 Mazda CX-9 Grand Touring
2008 BRAKES Conventional Brake System - Mazda CX-9