F 250 4WD Super Duty V10-6.8L VIN Z CNG (2003)
Loosen the differential case.
1
Remove the bearing cap bolts.
2
Remove the bearing caps.
8. To simplify the installation, fabricate two differential case retaining straps from metal stock as shown.
9. WARNING: Be careful not to allow the differential case to fall.
CAUTION: Place a wood block between the pry bar and the rear axle housing to protect the machined surface from damage.
Use the pry bar and the wood block to remove the differential case from the rear axle housing.
10. Remove the ring gear bolts.
11. CAUTION: Care should be taken not to damage the ring bolt hole threads.
NOTE: The anti-lock speed sensor ring cannot be reused once removed.
Insert a punch in the bolt holes. Drive off the ring gear and, if necessary, the anti-lock speed sensor ring.