Originally Posted by blkF250HD

Is the person doing the replacement using a torque wrench? Are the new bearings being packed properly?

Here's the procedures for 1993:

Bronco and F-150 with Dana 44-IFS/HD Front Driving Axle with Manual Locking Hubs

Raise the vehicle and install safety stands.
Remove the hub lock assembly. See: Wheel Hub (Locking)\Service and Repair
Using a torque wrench and Spanner Locknut Wrench T86T-1197-A, apply inward pressure to unlock the adjusting nut locking splines.
Turn the nut clockwise to tighten to 95 Nm (70 ft-lb) while rotating the wheel back and forth to seat the bearing.
Apply inward pressure on the spanner locknut wrench to disengage the adjusting nut locking splines.
Back off the adjusting nut approximately 90 degrees.
Retighten the adjusting nut to 20-27 Nm (15-20 ft-lb). Remove the tool and torque wrench.
Check that the final end play of the hub and rotor on the spindle is 0.00 mm (0.00 inch).
Torque required to rotate the hub and rotor assembly is not to exceed 2.3 Nm (20 in-lb).
Install the hub lock assembly. See: Wheel Hub (Locking)\Service and Repair
Remove the safety stands. Lower the vehicle.



Bronco and F-150 with Dana 44-IFS with Automatic Locking Hubs, F-250 with Dana 50-IFS and F-350 with Dana 60 Monobeam with Manual or Automatic Locking Hubs

Raise the vehicle and install safety stands.
Remove the hub lock assembly. See: Wheel Hub (Locking)\Service and Repair
Remove the outer locknut with Spanner Locknut Wrench D85T-1197-A or equivalent. Remove the lockwasher.
Using spanner locknut wrench while rotating the hub back and forth, tighten the inner locknut to 68 Nm (50 ft-lb) to seat the bearing.
Back off the inner locknut and retighten to 41-54 Nm (30-40 ft-lb) while rotating the hub back and forth.
Back off the locknut 90 degrees.
Install the lockwasher so the key is positioned in the spindle groove. Tighten the inner locknut, aligning the pin into the nearest lockwasher hole.
Install the outer locknut and tighten to 217-278 Nm (160-205 ft-lb) using spanner locknut wrench.
Check the final end play ofthe spindle. It should be 0.00-0.11mm (0.000-0.004 inch).
Torque required to rotate the hub and rotor assembly is not to exceed 2.3 Nm (20 in-lb).
Install the hub locks. See: Wheel Hub (Locking)\Service and Repair
Remove the safety stands. Lower the vehicle.