Protege & 626

Raise and support rear of vehicle. Remove rear wheel assemblies. Release parking brake. Remove brake drum. Insert screwdriver between adjusting plate and quadrant. Twist screwdriver to disengage teeth. See Fig 1. Push quadrant adjusting lever toward backing plate. Install brake drum. Operate parking brake a few times to reset adjuster. Adjust parking brake.

Fig 1: Moving Quadrant On Rear Drum Brake Adjuster (626 Shown; Protege Is Similar)

Courtesy of MAZDA MOTORS CORP.