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Home >> Ford >> 2003 >> Excursion 5.4 L, RWD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Wheel Hubs & Bearings - Full Floating Axle - DANA - F350-F550 Super Duty >> Removal And Installation >> Hub >> Installation

Removal And Installation : Hub: Installation

    WARNING: Install a new rear hub seal (1175) 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.
  1. Install a new rear hub seal. Refer to Wheel Bearings, Wheel Hub Seal and Wheel Bearing Cups .
  2. Position the rear brake disc on the rear hub and install the bolts.
    Fig 1: Positioning Rear Brake Disc On Rear Hub And Installing Bolts
    G01543148Courtesy of FORD MOTOR CO.
    3. CAUTION: Thoroughly clean the spindle. Wrap the spindle threads with electrician's tape to prevent damage while installing the rear hub and brake disc assembly.
    CAUTION: 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.
    Fig 2: Identifying Spindle
    G01543149Courtesy of FORD MOTOR CO.
  3. Prepare the spindle for rear hub installation.
  4. Slide the rear hub and brake disc assembly over the axle housing spindle.
    • Remove the electrician's tape.
  5. Install the outer rear wheel bearing.
    Fig 3: Installing Outer Rear Wheel Bearing
    G01543150Courtesy of FORD MOTOR CO.
  6. Start the hub nut making sure that the tab aligns correctly in the keyway prior to thread engagement.
    Fig 4: Positioning Hub Nut
    G01543151Courtesy of FORD MOTOR CO.
    7. NOTE: The following hub nut tightening sequence will prevent side-to-side end play of the hub and brake disc assembly.
    NOTE: Apply inward pressure to the socket to separate the ratcheting components of the hub nut.
    Fig 5: Installing Hub Nut
    G01543152Courtesy of FORD MOTOR CO.
  7. To adjust the bearings, tighten the nut to specification.
  8. Back off the nut 90 degrees.
  9. 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 2.3 Nm (20 lb-in) when end play is zero.
      Fig 6: Tightening Nut To Specification
      G01543153Courtesy of FORD MOTOR CO.
  10. Install the axle shaft (4234). Refer to Axle Shaft .
    Fig 7: Installing Axle Shaft
    G01543154Courtesy of FORD MOTOR CO.
  11. Install the anchor plate.
    Fig 8: Installing Anchor Plate
    G01543155Courtesy of FORD MOTOR CO.
  12. Install the tire and wheel assembly. Refer to WHEELS & TIRES - EXCURSION & F250-F550 SUPER DUTY PICKUP .
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