Case Cover Components: 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 manual valve. Remove 3-4 accumulator piston cylinder and 3-4 accumulator piston "O" ring seal. Use low pressure compressed air from valve body side if necessary for removal. Remove 3-4 accumulator piston outer and inner spring, piston and pin from valve body side of case cover. Remove actuator feed limit valve spring retainer, spring and valve. See Figure.