For 1990-2009 cars

1. Remove the servo piston spring (22) from the servo assembly.
2. Remove the oil seal ring (18) from the servo piston (16).
3. Use a small screwdriver in order to remove the snap ring (15) from the servo piston pin (21).
4. Remove the servo piston (16), the servo piston cushion spring (19), the cushion spring retainer (17), and the servo piston pin (21).
5. If the cushion spring retainer (17) is damaged, remove the retainer from the servo piston.