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12. If, after hub removal, the hub seal or seal inner sleeve remains on the spindle, remove it as shown.
Note: A small number of 1991 F-250 and F-350 vehicles with full floating rear axles and single rear wheels were built with a white
plastic dust deflector snapped into a groove inboard of the axle housing spindle (refer to View A). Carefully remove and discard
the plastic deflector by positioning a pry bar at the rear of the deflector (refer to View B).
Caution: Failure to remove and discard the white plastic dust deflector will result in bearing/seal failure.
Plastic
deflector
View A
13. Install rear hub in soft-jawed vise.
14. Using a thin-bladed screwdriver, pry up seal from bottom of bore. Then use larger blade to finish removal.
Caution: Care must be taken not to damage hub seal bore with seal removal tool.
Note: The outer retaining ring may be dislodged during this procedure. If so, remove outer retaining ring and the inner seal
sleeve and proceed to remove seal.
Sleeve
Outer
retaining
ring
Seal
15. Remove and discard rear wheel bearing inner-cone and roller.
Remove
and
discard
Note: The new inner hub cone and roller furnished in this kit is .032" shorter than the one you will discard. The shorter cone and
roller is required to allow for the thickness of the oil slinger which is also in the kit.
Caution: Make sure all sharp edges, nicks and burrs are removed. This step is important in order to avoid cutting new
seal during installation.
16. Thoroughly inspect hub seal bore. Clean hub bore and inspect bearing cups before installing new hub inner bearing.
Note: It is recommended to replace the bearing cup component with this cone to avoid premature failure due to potential mating
surface irregularities.
Remove all
sharp edges,
nicks or
burrs
Note: Pack each bearing cone and roller assembly with a bearing packing tool using premium Long-Life grease XG-1-C or -K
(ESA-M1C75-B) or equivalent.
17. Place new hub inner bearing, from kit, in the cup.
Cup
Plastic deflector
Hub seal
journal
Hub bearing
journal
View B
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