Master Cylinder: Reassembly

Lubricate all components including cylinder bore with clean brake fluid prior to assembly. Install 2 secondary cups, back-to-back, on secondary piston.
Assemble cup protector, primary cup, spring retainer and secondary piston return spring on opposite end of piston. Insert secondary piston assembly into bore in cylinder.
On vehicles equipped with standard brakes, position boot, snap ring and push rod retainer on push rod, and seat assembly in primary piston.
Install primary piston assembly into cylinder bore. On vehicles equipped with power brakes, position stop plate and snap ring on primary piston. Install primary piston and snap ring to cylinder bore.

Fig 1: Exploded View of Master Cylinder Assembly

Courtesy of FORD MOTOR CO.