Remove the reservoir cap and drain the brake fluid into a suitable container.
Remove reservoir from the master cylinder.
When bleeding by pressurized fluid, do not press the brake pedal.
Using snap ring pliers, remove the retaining ring.
Remove the piston stopper.
Remove the primary piston assembly.
Using a screwdriver, push the secondary piston all the way down and remove the piston stopper. Remove the secondary piston assembly.
Do not disassemble the primary and secondary piston assembly.
