Hydraulic Brake System: Disassembly/Inspection/Assembly: Disassembly

Remove the cap and drain the master cylinder reservoir. Remove the master cylinder.
Remove the level sensor with screwdriver.

Fig 1: Removing Level Sensor
Remove the reservoir attaching screw.

Fig 2: Removing Reservoir Attaching Screw
Carefully pry the reservoir out of the master cylinder.
Remove the reservoir seals from the master cylinder.
Push the primary piston into the master cylinder bore to ease the snap ring removal. Remove the primary piston snap ring and the primary piston.

Fig 3: Removing Primary Piston Snap Ring
Push the secondary piston into the master cylinder bore before removing the stop screw. Remove the secondary piston stop screw.

Fig 4: Removing Secondary Piston Stop Screw
Remove the secondary piston assembly by gradually applying the compressed air into the cylinder.
CAUTION: Use a rag to stop the secondary piston assembly.
Do not use a petroleum based solvent, kerosene, or gasoline for cleaning the master cylinder parts. Their use as a cleaning agent can leave residues which can damage the rubber seals.

Fig 5: Removing Secondary Piston Assembly