Brake Master Cylinder: Description and Operation

The brake master cylinder is a dual piston type. The master cylinder operates as follows;
- When the brake pedal is applied, pressure is applied by mechanical linkage to the primary and secondary systems.
- Brake master cylinder pistons apply hydraulic pressure to the two circuits.
The master cylinder consists of the following components:
- primary and secondary pistons.
- brake master cylinder reservoir with integral fluid level warning indicator.