Maintenance, Service, and Repair
Front Axle Page 7
1. Make sure the key-switch is in the “OFF” position, then remove
the key.
2. Place the forward-reverse switch in the center “OFF” position.
3. Set the park brake.
4. Place blocks under the rear wheels to prevent vehicle movement.
5. Disconnect the main positive and negative cables at the batteries.
Hub with Dust Cap Removed
Always use a lifting strap, hoist, and jack stands, of adequate capacity
to lift and support the vehicle. Failure to use lifting and support devices
of rated load capacity may result in severe bodily injury.
Hub with Dust Cap Removed
REPLACE FRONT WHEEL BEARINGS
6. Raise the front of the vehicle and support with jack stands.
7. Remove the tire/wheel assembly from the hub. Refer to Replace the Steering Knuckle for
information regarding removing the steering knuckle.
8. Remove the hub dust cap, cotter pin, and spindle nut.
9. Remove the hub from the steering knuckle.
NOTE: For a front disc brake option you must
remove the brake body before
removing the hub. Refer to the
Brakes section for information
regarding the removal of the brake
body.
NOTE: Catch the outer bearing as it falls out.
10. Thoroughly clean all grease from the inside of the
hub and the bearings.
11. Inspect and replace the races and bearings as a
set.
NOTE: It is recommended to replace all four
bearings and races in the left and right
wheels as a set.
12. Assemble in reverse order, using new grease seals.
a. Pack inner and outer bearings with grease.
b. While rotating the hub, tighten the spindle nut to
30 ft-lbs. This seats the bearings.
c. Back off the spindle nut one flat until the hub
turns, but is not loose.
d. Install a new cotter pin.
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