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Brake Rotor: Installation

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1997 Ford Pickup, 1997 Ford F-Super Duty, 1997 Ford Cab & Chassis, 1996 Ford Pickup, and 1996 Ford F-Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
  1. On F150 with automatic locking hubs and on F250 Heavy-Duty and F350 with manual locking hubs, install rotor and outer wheel bearing. Install inner lock nut. While rotating disc back and forth, seat bearing by using Spanner Lock Nut Wrench (D85T-1197-A) to tighten inner lock nut to 50 ft. lbs. (68 N.m). Back off inner lock nut, and retighten to 30-40 ft. lbs. (41-54 N.m).
  2. Install lock washer so key is in spindle groove. Tighten inner lock nut to engage lock nut pin in nearest lock washer hole. Install outer lock nut, and tighten to 160-205 ft. lbs. (217-278 N.m). Spindle end play should be less than.004" (.10 mm).
  3. On F150/250 Light-Duty with manual locking hubs, install rotor and outer wheel bearing. Install adjusting nut. While rotating disc back and forth, seat bearing by using Spanner Lock Nut Wrench (T86T-1197-A) to tighten adjusting nut to 70 ft. lbs. (95 N.m).
  4. Back off adjusting nut 90 degrees, and retighten to 15-20 ft. lbs. (20-27 N.m). Spindle end play should be zero. To install remaining hub body components, reverse removal procedure. See Figure.
NOTE: Hub nuts are right-hand thread on both sides. Each hub is stamped RH to show thread direction. DO NOT use power impact tools to remove or install hub nuts. Hub nuts will ratchet unless Hub Wrench (T88T-4252-A) is used for removal and installation.


  1. Put electrical tape over axle housing spindle to prevent damage. Apply sealant to hub-to-rotor screws. Place hub and rotor assembly onto axle housing spindle. Remove electrical tape. Install outer wheel bearing race and bearing. Install hub nut, ensuring hub nut tab is in hub tab slot before starting threads.
  2. Use Hub Wrench (T88T-4252-A) to tighten hub nut. Push inward on socket to prevent ratcheting action of hub nut. Rotate hub while tightening hub nut to 50-60 ft. lbs. (68-81 N.m). Back off hub nut 90 degrees, and retighten to 30-40 ft. lbs. (41-54 N.m). End play of hub and rotor should be zero. To install remaining hub body components, reverse removal procedure.
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