Reverse Band Servo: Disassembly
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.
Remove return spring from reverse band servo assembly. Remove oil seal ring from servo piston. Using a small screwdriver, remove retaining ring from servo piston apply pin. Disassemble servo piston, servo piston cushion springs, servo piston cushion spring retainer and servo piston apply pin. See Figure.