Front Steering Knuckle: Service and Repair
FRONT HUB/KNUCKLECOMPONENTS:
REMOVAL
1. Remove the wheel and tire.
2. Disconnect the wheel speed sensor (A) from the knuckle.
3. Disconnect the brake hose (A) from the knuckle.
4. Remove the caliper assembly (A) and suspend it with wire.
5. Remove the split pin and driveshaft castle nut from the front hub.
6. Remove the 2 bolts (A) and disconnect the ball joint from the knuckle.
7. Using a plastic hammer, disconnect the driveshaft from the axle hub.
8. Using the special tool (09568-4A000), disconnect the tie rod end from the knuckle.
9. Loosen the upper arm mounting nut but do not remove it.
10. Using the special tool (095684A000), disconnect the upper arm from the knuckle.
11. Remove the front axle and knuckle together.
12. Installation is the reverse of removal.
DISASSEMBLY
1. Remove the brake disc from the hub.
2. Remove the snap ring.
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 snap ring for cracks or damage.
3. Check the knuckle inner surface for scoring and cracks.
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-cm, 148 ft. lbs.) with the special tool (09517-21500).
6. Rotate the hub to seat the bearing.
7. Measure the wheel bearing starting torque.
Standard value
Starting torque: 1.8 Nm (0.18 kgf-cm, 16 ft. lbs.) or less
Fix a dial gauge and measure the hub end play. Check that it is within the standard value.
Standard value
Hub end play: 0.008 mm (0.0003 in) or less
Standard value:
8. Remove the special tool.
9. Install the disc to the hub.