Removal & Installation (Miata, Protege & 323)

1. Raise and support rear of vehicle. Remove wheel. Remove manual adjustment gear concealment plug from caliper. See Fig 1 . Insert an appropriate size Allen wrench through hole and turn manual adjustment gear counterclockwise to retract caliper piston.
2. Remove lower guide bolt from caliper. Rotate caliper upward and support with rope. Remove "M" spring. Remove pads, shims and guide plates. Replace pad if lining thickness is less than .04" (1.0 mm). To install, reverse removal procedure.

Fig 1: Exploded View of Rear Disc Brake (Miata, Protege & 323)

Courtesy of MAZDA MOTORS CORP.