Underdrive Brake Disassembly and Reassembly: Disassembly

Remove E-ring (1) from underdrive brake piston (2), using flat end rod or the like.
Remove underdrive brake piston rod, underdrive brake piston rod washer, underdrive brake piston rod spring.
Remove O-ring (3) from underdrive brake piston.
NOTE: Never reuse removed O-rings.

Fig 1: Removing Underdrive Brake Piston Rod, Washer And Spring
Courtesy of SUZUKI OF AMERICA CORP.
Remove O-rings (1) from underdrive brake piston cover (2).
NOTE: Never reuse removed O-rings.

Fig 2: Removing O-Rings From Underdrive Brake Piston Cover
Courtesy of SUZUKI OF AMERICA CORP.