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Wheel Bearings (4WD W/Automatic Locking Hubs)

  1. Raise and support vehicle. Remove hub assembly. See AUTOMATIC LOCKING HUBS  under REMOVAL & INSTALLATION. Using magnet, remove locking key from spindle keyway. It may be necessary to rotate adjusting nut slightly to relieve pressure for locking key removal.
    CAUTION: Failure to remove locking key from spindle keyway will result in thread damage to spindle. Ensure keyway is clear before removing adjusting nut.
  2. Loosen adjusting nut with 2 3/8" Hex Locknut Wrench (T70T-4252-B). Tighten adjusting nut to 35 ft. lbs. (47 N.m) while turning hub back and forth to seat bearings. Spin hub and back off adjusting nut 90 degrees. Retighten adjusting nut to 16 in. lbs. (1.8 N.m).
  3. Align closest lug in wheel bearing adjusting nut with center of keyway slot. Advance nut to next lug if necessary. Install locking key in spindle keyway under adjusting nut. Install locking hub assembly. SeeAUTOMATIC LOCKING HUBS  under REMOVAL & INSTALLATION.
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