F 250 2WD Pickup V8-7.3L DSL (1990)
Axle Bearing: Service and Repair
Dana/Spicer Integral Housing Type
Full-Floating Axle
1.
Set parking brake and loosen axle shaft bolts.
2.
Raise and support rear of vehicle so that axle is parallel with floor.
3.
Release parking brake, then back off rear brake adjustment, if necessary.
4.
Remove axle shaft bolts.
5.
On F-Super Duty, remove caliper from rotor assembly.
6.
On all models, using suitable dolly, raise wheel until all weight is removed from wheel bearings, then remove brake drum, if equipped.
7.
Remove axle shaft and discard gasket, then the wheel bearing hub nut using hub wrench No. T85T-4252-AH or equivalent.
8.
Remove outer bearing, then pull wheel assembly from axle.
9.
Using screwdriver, remove inner seal. Remove inner bearing.
10.
Using brass drift, remove bearing cups.
11.
Inspect bearings and cups, replace if worn or damaged.
12.
Install new cups with bearing cup replacer No. T75T-1225-A or B or equivalent. Check for proper seating of bearing cup by trying to insert a
.0015 inch feeler gauge between cups and wheel hub. The gauge should not enter beneath cup.
13.
Lubricate bearing assemblies and place inner assembly into wheel hub. Install new hub inner seal.
14.
Wrap spindle threads with tape, then slide wheel assembly onto axle housing spindle and remove tape.
15.
Install outer wheel bearing and start adjuster nut.
16.
Using hub wrench No. T85T-4252-AH or equivalent, torque hub nut to 65-75 ft. lbs. Rotate hub occasionally while tightening to set bearings.
After torquing to specifications, ratchet back 90°, then torque to 15-20 ft. lbs.
17.
Install axle shaft and new flange gasket, then install retaining bolts and tighten bolts until they seat.
18.
Install brake drum, wheel assembly, then lower vehicle.
19.
Adjust brakes.
20.
Tighten wheel lug nuts and axle shaft retaining bolts to specifications.
Semi-Floating Axle
1.
Raise and support vehicle.
2.
Remove wheel and brake drum.
3.
Remove cover plate and discard gasket.
4.
Remove differential pinion shaft lock screw and the shaft.
5.
Remove C-clip from button end of shaft by pushing inward on other end.
6.
Pull shaft from axle tube. Do not rotate differential side gears.
7.
Remove and discard oil seal from axle tube.
8.
Pull bearing from axle tube.
9.
Lubricate new bearing and install in axle tube.
10.
Lubricate and install new oil seal.
11.
Insert shaft into axle tube, making sure splines engage side gears, then install C-clip and pull shaft outward until the clip locks.
12.
Install pinion mate shaft, aligning lockpin holes, and pinion gear side washers.
13.
Install new lock screw and tighten to specifications.
14.
Install cover plate and gasket. Tighten bolts to specifications.
15.
Install wheel and drum assembly.
16.
Remove supports and lower vehicle.
