Second Gear Brake Band Servo Piston Assembly: Disassembly

Apply inward pressure to servo piston using lever. Remove retaining circlip. Using a rubber mallet, tap piston cover until spring forces piston and cover out of case. Pull servo piston assembly out of cover.
Remove and discard "O" ring seals from outside diameter of cover. Remove retaining clip and separate piston pin, accumulator spring, spring seat, and adjusting shim(s) from servo piston. Withdraw and discard 2 lip seals from servo piston. See Fig 1 .

Fig 1: Exploded View Of 2nd Gear Brake Band Servo Piston Assembly
Courtesy of VOLKSWAGEN UNITED STATES, INC.