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Home >> Ford >> 2002 >> Excursion 7.3 F, RWD >> Repair and Diagnosis >> Drivelines & Axles >> Wheel Hubs >> Wheel Hubs & Bearings - Full Floating Axle - Ford -- Excursion & F250-F350 Super Duty >> Removal And Installation >> Hub >> Installation

Removal And Installation: Hub: Installation

    NOTE: Clean the spindle thoroughly after removing the rear hub.
    Fig 1: Coating Spindle With Axle Lubricant
    G02172743Courtesy of FORD MOTOR CO.
  1. Coat the spindle with axle lubricant.
    2. CAUTION: The hub bearings must be prelubed prior to installation.
    Fig 2: Filling Hub Cavity With Of Axle Lubricant
    G02172744Courtesy of FORD MOTOR CO.
  2. Fill the hub cavity with 29.6 ml (1 oz) of axle lubricant.
    3. CAUTION: Use extreme care not to damage the hub seal by allowing it to contact the spindle during installation.
    NOTE: Coat the spindle and hub seal inside diameter with axle lubricant.
    NOTE: Installing the rear hub in this manner causes the outer bearing to act as a pilot making the installation easier.
    Fig 3: Installing Bearing
    G02172745Courtesy of FORD MOTOR CO.
  3. Push the rear hub and outer bearing onto the spindle as an assembly.
    • Hold the outer bearing seated and use the bearing as a pilot.
    4. CAUTION: Install a new hub nut if the hub nut comes apart during installation.
    CAUTION: Make sure the hub nut tab is located in the keyway prior to thread engagement.
    Fig 4: Installing Hub Nut On Spindle
    G02172746Courtesy of FORD MOTOR CO.
  4. Install the hub nut on the spindle.
    • Turn the hub nut clockwise for right-hand thread or counterclockwise for left-hand thread.
  5. Position the Ford Axle Locknut Socket on the hub nut.
    Fig 5: Positioning Ford Axle Locknut Socket On Hub Nut
    G02172747Courtesy of FORD MOTOR CO.
    Fig 6: Identifying Tightening Torque Of Hub Nut
    G02172748Courtesy of FORD MOTOR CO.
    6. CAUTION: Under no circumstances are power tools to be used when performing these operations.
    NOTE: The hub nut will ratchet as torque is applied.
    Fig 7: Tightening Hub Nut
    G02172749Courtesy of FORD MOTOR CO.
  6. Tighten the hub nut, rotating the rear hub occasionally while tightening.
  7. Adjust hub nuts as follows:
    • For new bearings, ratchet back five teeth or notches (1/8 turn) on the hub nut. Five notches must be felt during this operation in order to have performed it correctly.
    • For used bearings, ratchet back seven teeth or notches (1/6 turn) on the hub nut. Seven notches must be felt during this operation to have performed it correctly.
  8. Inspect the axle shaft O-ring seal for cracks, nicks or wear and replace it if required.
    Fig 8: Inspecting Axle Shaft O-Ring Seal For Cracks
    G02172750Courtesy of FORD MOTOR CO.
    9. NOTE: Lubricate the O-ring seal with lubricant prior to installation of axle shaft.
    Fig 9: Installing Axle Shaft
    G02172751Courtesy of FORD MOTOR CO.
  9. Install the axle shaft.
    10. NOTE: Coat the threads of the retaining bolts with Stud and Bearing Mount E0AZ-19554-BA or equivalent meeting Ford specification WSK-M2G349-A1.
    Fig 10: Installing Retaining Bolts
    G02172752Courtesy of FORD MOTOR CO.
  10. Install and tighten the retaining bolts until they seat.
    11. CAUTION: Remember, the last step of this procedure is to tighten the axle shaft bolts to specification, after the wheel lug nuts have been tightened.
  11. Install the brake rotor and caliper on the single rear wheel axles. For additional information, refer to DISC - EXCURSION, F250-F550 SUPER DUTY PICKUP .
  12. Install the wheels and tires but do not tighten the lug nuts to specification at this time.
  13. Check the axle lubricant level. For additional information, refer to REAR DRIVE AXLE-DIFFERENTIAL - FORD10.5-INCH RING GEAR .
  14. Lower the vehicle.
  15. Tighten the wheel lug nuts. For additional information, refer to WHEELS AND TIRES .
  16. Tighten the axle shaft retaining bolts.
    Fig 11: Tightening Axle Shaft Retaining Bolts
    G02172753Courtesy of FORD MOTOR CO.
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