Master Cylinder: Disassembly

Remove the straight pin and nipple.

Fig 1: Identifying Master Cylinder Nipple And Straight Pin
Courtesy of SUBARU OF AMERICA, INC.
Remove the oil seal.

Fig 2: Identifying Master Cylinder Oil Seal
Courtesy of SUBARU OF AMERICA, INC.
Move the seat towards the rear.

Fig 3: Moving Master Cylinder Seat Rearwards
Courtesy of SUBARU OF AMERICA, INC.
Remove the piston stop ring.

CAUTION: When removing the piston stop ring, be careful to prevent the rod, washer, piston and return spring from popping out.