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Master Cylinder Assembly

Master Cylinder Assembly Removal and Installation

CAUTION:
^ Never disassemble master cylinder. Disassembly will spoil its original function. If faulty condition is found, replace it with new one as an assembly.
^ Do not allow brake fluid to get on painted surfaces. Painted surfaces will be damaged by brake fluid, flush it with water immediately if any fluid is spilled.


Removal
1) Disconnect reservoir lead wire at coupler (1).





2) Clean outside of master cylinder and take out fluid with syringe or such.
3) Disconnect clutch reservoir hose (1) from reservoir (2) (M/T model).





4) Loosen brake pipe flare nuts (2) for master cylinder (1).
5) Disconnect brake pipes (3) from master cylinder (1).





6) Loosen master cylinder fixing nuts (1) and then remove master cylinder (2) with reservoir (3) from brake booster (4).





Installation
1) Install new master cylinder O-ring (1) to master cylinder.
2) Apply grease to piston rod "A".
Use specified grease to spare parts.
3) Install master cylinder (2) with reservoir (3) to brake booster (4).





4) Tighten master cylinder fixing nuts (1) to specified torque.
Tightening torque
Master cylinder fixing nut (a): 18 Nm (1.8 kg-m, 13.0 ft. lbs.)





5) Connect brake pipes to master cylinder and tighten brake pipe flare nuts (1) to specified torque.
Tightening torque
Brake pipe flare nut for M10 (a): 16 Nm (1.6 kg-m, 12.0 ft. lbs.)
Brake pipe flare nut for M12 (a): 19 Nm (1.9 kg-m, 14.0 ft. lbs.)





6) Connect clutch reservoir hose (1) to reservoir (2) (M/T model).





7) Connect reservoir lead wire at coupler.
8) Fill reservoir with specified brake fluid.
9) After installing, bleed air from brake system referring to Air Bleeding of Brake System and at the same time bleed air from clutch system referring to Air Bleeding of Clutch System (M/T model).
10) Perform brake test and check each installed part for fluid leakage.