Brake Caliper: Disassembly
With caliper removed from vehicle and disc pads removed from caliper, remove clamping rings and rubber protecting caps. Hold one piston in place using a suitable clamp, insert a piece of wood in caliper cavity, then apply compressed air to fluid inlet and remove opposite piston. Remove sealing ring using a suitable plastic tool. Remove remaining piston(s) and seal(s) in same manner.
NOTE:
DO NOT separate caliper halves unless a leak is detected.
To disassemble, remove expansion bolts, separate caliper halves, and remove sealing rings.