Brake Master Cylinder Assembly Removal and Installation

Brake Master Cylinder Assembly Removal and Installation
Reference: Brake Master Cylinder Components
Reference: Brake Master Cylinder Assembly On-Vehicle Inspection

CAUTION:
^ Never disassemble brake master cylinder. Disassembly will spoil its original performance.
If faulty condition is found, replace it with a new assembly.
^ Do not allow brake fluid to get on painted surfaces. Painted surfaces will be damaged by brake fluid. If brake fluid is spilled, flush it with water immediately.
^ Do not tilt piston side of master cylinder to down side.
^ Do not touch piston of master cylinder directly.

Removal
1) Clean external area of brake master cylinder assembly.
2) Depress brake pedal several times to release vacuum in brake booster.
3) Disconnect fluid level switch connector (1) from reservoir.
4) Remove battery.





5) Remove brake fluid in reservoir.
6) Using special tool, loosen flare nuts and disconnect brake pipes (1) from brake master cylinder.





7) Remove brake master cylinder fixing nuts (1).





Installation
Reference: Brake Master Cylinder Assembly Inspection
1) Install new O-ring to brake master cylinder assembly.
2) Install brake master cylinder to brake booster.
3) Tighten brake master cylinder fixing nuts (1) to specified torque.
Tightening torque
Brake master cylinder fixing nut (a): 13 Nm (1.3 kg-m, 9.5 lbf-ft)
4) Connect brake pipe to brake master cylinder and tighten flare nuts (2) using special tool.

Special Tool
: 09950-78220

Tightening torque
Brake pipe flare nut (b): 19 Nm (1.9 kg-m, 14.0 lbf-ft)





5) Install battery.
6) Connect fluid level switch connector (1).





7) After installation, bleed air from brake system.
8) Check installed parts for fluid leakage.
9) Check brake pedal for play.
10) Make sure that brake system operates properly and check fluid leakage.