F 350 4WD Super Duty V8-7.3L DSL Turbo VIN F (2001)
4. CAUTION: The large clutch assembly nut has a right-hand thread and must be rotated counterclockwise to remove it.
Using the special tool, remove the fan and fan clutch from the water pump pulley.
5. Carefully position the fan and the fan clutch into the shroud.
6. Remove the bolts, the shroud, fan and clutch.
7. To install, reverse the removal procedure.