Silverado Classic 2500 4WD V8-6.6L DSL Turbo (2007)
18. Carefully lower the valve body from the transmission case while simultaneously disconnecting the manual valve link.
Ball Check Valves
19. Remove the seven valve body checkballs.
20. Important:
Some models do not have an outer spring. Note spring usage during removal.
Remove the accumulator cover bolts (58, 59).
21. Remove the 1-2 accumulator cover and pin assembly (57).