Bronco & F150 (Manual Locking Hub)
- Raise and support front of vehicle. Remove front wheels. Remove locking hubs. See MANUAL LOCKING HUBS R & I.
- Use a torque wrench and Spanner Lock Nut Wrench (T86T-1197-A) to unlock wheel bearing adjusting nut locking splines by applying inward pressure. See Fig 1. Tighten adjusting nut to 70 ft. lbs. (95 N.m) while turning wheel back and forth to seat bearing.
- Apply inward pressure to spanner lock nut wrench to disengage locking splines, and back off adjusting nut approximately 1/4 turn (90 degrees). Retighten adjusting nut to 15-20 ft. lbs. (20-27 N.m). Final end play of hub on spindle should be 0.00" (0.00 mm). Torque required to turn hub and rotor assembly should not exceed 20 INCH lbs. (2.3 N.m). Install locking hub and wheels.
Courtesy of FORD MOTOR CO.