Ranger 4WD V6-171 2.8L (1983)
5. Depress the primary piston and install the snap ring in the cylinder bore groove. On vehicles with manual brakes, install the push rod retainer
onto the push rod and install into the primary piston. Make sure the retainer is properly seated and holding the push rod securely.
6. Install the cap and diaphragm on the master cylinder reservoir.