16. BRAKE SYSTEM MXU 550EXi/MXU 500i BRAKE MASTER CYLINDER Snap Ring DISASSEMBLY/INSPECTION/ ASSEMBLY DISASSEMBLY Front/rear brake master cylinder Remove the brake master cylinder (refer to the "BRAKE MASTER CYLINDERS REMOVAL/INSTALLATION" section in this chapter). Remove the piston dust boot and snap ring Dust Boot from the brake master cylinder. Spring Piston Remove the spring and piston together. Duct Snap Ring Brake pedal master cylinder Remove the brake master cylinder (refer to the "BRAKE MASTER CYLINDERS REMOVAL/INSTALLATION" section in this chapter). Remove the snap ring then remove the fluid duct and O-ring. 16-28