Front Steering Knuckle: Service and Repair

FRONT HUB / KNUCKLE

COMPONENTS:

REMOVAL
1. Remove the wheel & tire assembly.





2. Disconnect the wheel speed sensor bracket (A) from the knuckle.





3. Disconnect the brake hose bracket (A) from the knuckle.





4. After loosening the bolts (A), remove the caliper assembly (B) and suspend it with wire.








5. Remove the split pin (A) and driveshaft castle nut (B) from the front hub.





6. Remove the 2 bolts (A) and disconnect the knuckle from the lower arm assembly.





7. Using the special tool (09568-4A000), disconnect the tie rod end from the knuckle.





8. Using a plastic hammer, disconnect the driveshaft from the axle hub.





9. Loosen the upper arm mounting nut but do not remove it.
10. Using the special tool (09568-4AOOO), disconnect the knuckle from the upper arm assembly (A).





11. Remove the front axle and knuckle together.
12. Installation is the reverse of removal.

DISASSEMBLY
1. Remove the brake disc (B) from the hub (A).





2. Remove the snap ring (A).





3. Using the special tool (09545-34100), disconnect the hub from the knuckle.





4. Using the special tools (09432-11000, 09545-34100), remove the wheel bearing inner race from the hub.





5. Using the special tools (09216-21600, 09216-22100), remove the wheel bearing outer race from the knuckle.





INSPECTION
1. Check the hub for cracks and splines for wear.
2. Check the oil seal for cracks or damage.
3. Check the brake disc for scoring or damage.
4. Check the knuckle for cracks.
5. Check the bearing for cracks or damage

REASSEMBLY
1. Apply a thin coat of multi-purpose grease to the knuckle and bearing contact surface.
2. Using the special tool (09216-21100), press-in the bearing to the knuckle.

NOTE:
^ Do not press against the inner race of the wheel bearing because that can cause damage to the bearing assembly.
^ Always use a new bearing assembly.





3. Install the snap ring into the groove of the knuckle.





4. Using the special tool (09545-21100), press the hub on to the knuckle.

NOTE: Do not press against the outer race of the wheel bearing because that can cause damage to the bearing assembly.





5. Tighten the hub to the knuckle to 200 Nm (20 kgf-m, 148 lb-ft) with the special tool (09517-21500).





6. Rotate the hub to seat the bearing.
7. Measure the wheel bearing starting torque.





8. Fix a dial gauge and measure the hub end play. Check that it is within the standard value.
Standard value





9. Remove the special tool
10. Install the disc to the hub.