Apply genuine brake fluid to the rubber parts of the cylinder kit and grommets.

Carefully insert the springs and pistons in the proper direction.

Press the secondary piston (C) with a screwdriver and install the cylinder pin (D).

Install the retainer ring (A) after installing primary piston assembly (B).

Mount two grommets (D).

Install the reservoir (C) on the cylinder (B), and then install the mounting screw (A).