Removal & Installation (Millenia)

To prevent master cylinder overflow when caliper piston is depressed, remove and discard some brake fluid from master cylinder reservoir. Raise and support rear of vehicle.
Remove rear wheel assemblies. Remove lower guide bolt from caliper. See Fig 1. Rotate caliper upward and support using wire. Remove "V" spring. Remove pads, shims and guide plates. Replace pads if lining thickness is less than 0.08" (2.0 mm).
To install, reverse removal procedure. Use Disc Brake Expander (49-0221-600C ) and an old pad to push piston fully inward to install disc pads.

Fig 1: Exploded View Of Rear Disc Brake Assembly (Millenia)

Courtesy of MAZDA MOTORS CORP.