Maintenance, Service, and Repair
Front Axle Page 13
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.
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.
The bronze bushings must be reamed or broached to the proper
diameter after they are pressed in to the axle beam or steering
knuckle. Failure to broach or ream the bushings may result in steering
difficulty and loss of control of the vehicle causing severe bodily injury
and/or property damage.
6. Raise the front of the vehicle and support with jack stands.
7. Remove the steering knuckle. Refer to Replace the Steering Knuckle for information
regarding removing the steering knuckle.
NOTE: It is not necessary to remove the tie rod or drag link for this
procedure.
8. Press the king pin bushings out from the axle or steering knuckle.
9. Press new bushings into the axle or steering knuckle.
10. Ream or broach the bronze bushings to 0.878 ± 0.001 inches.
11. Inspect the king pin for damage or wear. If any damage or wear is noted then the king pin must
be replaced.
12. Reassemble in reverse order.
NOTE: Refer to Replace the Steering Knuckle for information on installing
the steering knuckle.
NOTE: It is recommended that the thrust washers or bearing be replaced
whenever replacing the king pin bushings. Refer to the
Replacement Parts section for the orientation of the bearing or
washers in your vehicle.
13. Grease the bushings (bronze only).
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