Brake Master Cylinder: Description and Operation

Brake Master Cylinder
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.