F 550 4WD Super Duty V8-6.0L DSL Turbo VIN P (2003)
7. Disconnect the Output Shaft Speed (OSS) sensor electrical connector.
4x4 vehicles
8. Using the special tool, remove the output shaft retaining nut.
All vehicles
NOTE: The 4x4 extension housing is shown, the 4x2 is similar.
9. Remove the nine bolts and the extension housing.
10. Remove and discard the extension housing gasket.