Disassembly/Inspection/Assembly

1. Remove caliper.

Fig. 4 Exploded View Of Rear Disc Brake Assembly (Part 1 Of 2):

Fig. 4 Exploded View Of Rear Disc Brake Assembly (Part 2 Of 2):

2. Disassemble caliper in numbered sequence, Fig. 4, noting the following:
a. Use rear disc brake piston driver tool No. MB990652, or equivalent, to remove piston from caliper assembly.
b. Remove piston seal with fingers. Do not use a screwdriver or other tool to prevent damage to cylinder inner surface.

Fig. 5 Spring Case Removal:

c. Use a 0.75 inch diameter steel pipe to press the spring case into the caliper body, then remove snap ring from caliper body using suitable snap ring pliers, Fig. 5.
3. Reverse numbered sequence, Fig. 4 when assembling caliper, noting the following:
a. Use a 0.75 inch diameter steel pipe to press the spring case into the caliper body, then install snap ring into caliper body using suitable snap ring pliers. Attach snap ring to caliper body with opening facing the bleeder.

Fig. 6 Caliper Piston Installation:

b. Push piston into caliper using piston driver tool and align groove, Fig. 6.
c. When installing brake pads, pins in pad must be placed in grooves in piston.