Removal & Installation (626 & Protege)

Raise and support rear of vehicle. Remove rear wheel assemblies. 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.

Fig 1: Exploded View Of Rear Disc Brake Assembly (Protege Shown; 626 Similar)
Courtesy of MAZDA MOTORS CORP.
Remove lock bolt from caliper. Rotate caliper upward and wire side. Remove "M" spring. Remove disc pad, shims and guide plates. Replace pad if lining thickness is less than 0.04" (1.0 mm). To install, reverse removal procedure. Turn manual adjustment gear clockwise until brake pads slightly touch rotor. Turn manual adjustment gear back 1/3 turn.