W 250 Pickup V8-5.9L VIN Z (1991)
Wheel Bearing: Service and Repair
8-3/8 & 9-1/4 Inch
1. Raise and support vehicle and remove brake drum.
2. Clean area around housing cover, then loosen housing cover and allow lubricant to drain. Remove cover.
Fig. 4 Removing Differential Pinion Shaft Lockpin
3. Turn differential case until pinion shaft lock screw is accessible and remove lock screw and pinion shaft.
Fig. 5 Removing C-lock Washers
4. Push axle shaft inward and remove C-washer locks from axle shaft, then pull axle shaft from housing being careful not to damage axle shaft
bearing. Inspect axle shaft bearing surfaces for signs of galling or pitting. If any of these conditions exist, both shaft and bearing should be
replaced. Normal bearing contact on shaft should be a dull gray and may appear lightly dented.
Fig. 6 Removing Axle Shaft Bearing & Seal. Except 9-1/4 Inch HD Axle
