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Removal & Installation

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  1. Remove the tire and wheel assembly.
  2. Remove the anchor plate. See DISC BRAKE CALIPERS & PADS .
  3. Remove the axle shaft bolts. Place a drain pan under the rear hub. Remove the axle shaft. Inspect the rear axle shaft gasket for damage, and axle shaft for cracks around the bolt holes. Replace as necessary.
    4. NOTE: Ensure that the drive tangs on the special tool engage the four slots of the hub nut.
  4. On Dana 70 differentials, use Wheel Hub Nut Socket (205-282 T88T-4252-A), remove the hub nut. See Fig 1.
  5. On Dana 135 differentials, remove the hub nut using a suitable socket.
  6. On all vehicles, remove the outer rear wheel bearing.
  7. Remove the rear hub and brake disc assembly.
    8. WARNING: Install a new rear hub seal after removing the rear hub from the axle. A damaged or worn seal can permit bearing lubricant to reach the brake linings, resulting in ineffective brake operation. Failure to follow these instructions may result in personal injury.
    CAUTION: Clean and remove any dirt or foreign material in the rear hub bolt holes.
  8. To install, reverse removal procedure. Install a new rear hub seal. Thoroughly clean the spindle. Wrap the spindle threads with electrician's tape to prevent damage while installing the rear hub and brake disc assembly.
  9. Lightly coat the spindle and pack each rear wheel bearing with Premium Long-Life Grease XG-1-C, or equivalent meeting Ford specification ESA-M1C75-B.
  10. Slide the rear hub and brake disc assembly over the axle housing spindle. Remove the electrician's tape.
  11. Install the outer rear wheel bearing.
  12. Start the hub nut making sure that the tab aligns correctly in the keyway prior to thread engagement. See Fig 2.
    13. NOTE: The following hub nut tightening sequence will prevent side-to-side end play of the hub and brake disc assembly. Apply inward pressure to the socket to separate the ratcheting components of the hub nut.
  13. To adjust the bearings, tighten the nut to specification. See TORQUE SPECIFICATIONS . Back off the nut 90 degrees.
  14. Tighten the nut to specification. To verify that there is no side-to-side end play, attach a magnetically mounted dial indicator to the spindle end and place the dial indicator tip on the outboard surface of the hub. Check for side-to-side end play. Final bearing adjustment has zero end play. The maximum torque to rotate the hub is 20 INCH lbs. (2.3 N.m) when end play is zero.
  15. Install the axle shaft. If the original axle bolts are being reused, apply a suitable thread adhesive to the bolts. Tighten bolts to specification. See TORQUE SPECIFICATIONS .
  16. Install the anchor plate.
  17. Install the tire and wheel assembly.
Fig 1: Removing Hub Nut (Dana 70 Differential)
G00299510Courtesy of FORD MOTOR CO.
Fig 2: Aligning Hub Nut Tab
G00299511Courtesy of FORD MOTOR CO.
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