Front Hub & Knuckle

FRONT HUB / KNUCKLE





COMPONENT LOCATION





COMPONENTS

ON-VEHICLE INSPECTION

WHEEL BEARING PLAY INSPECTION





1. Inspect the play of the bearing while the vehicle is jacked up.
2. If there is any play, loosen the wheel nuts slightly. Raise the front of the vehicle, and make sure it is securely supported.





3. Remove the front wheel and tire (A) from front hub (B).

CAUTION: Be careful not to damage the hub bolts (C) then remove the front wheel and tire (A).





4. Remove the split pin (A), then remove castle nut (B) and washer (C) from the front hub under applying the break.
5. Tighten the hub bearing nut by the following procedures.
a. Hub bearing nut must be fastened with a torque of 28 kgf-m and front hub must be rotated 3 times enough for secure placement of hub bearing.
b. Unfasten hub bearing nut until its tightening torque is 0 kgf-m.





c. Hub bearing nut must be fastened again with torque 20 kgf-m
d. Assemble split pin.





e. If the direction of split pin is not in line with the hole of knuckle unfasten hub bearing nut within 300 and assemble split pin.

REMOVAL
1. Loosen the wheel nuts slightly.
Raise the front of the vehicle, and make sure it is securely supported.





2. Remove the front wheel and tire (A) from front hub (B).

CAUTION: Be careful not to damage the hub bolts (C) then remove the front wheel and tire (A).





3. Remove the split pin (A), then remove castle nut (B) and washer (C) from the front hub while applying the brake.





4. Remove the caliper mounting bolts (A), and hang the caliper assembly (B) to one side. To prevent damage to the caliper assembly or brake hose, use a short piece of wire to hang the caliper from the undercarriage.





5. Remove the wheel speed sensor (B) from the knuckle (A).





6. Disconnect the tie rod end ball joint (C) from the knuckle (D) using the special tool (09568-34000).
a. Remove the split pin (A).
b. Remove the castle nut (B).





c. Disconnect the ball joint (C) from knuckle (D) using the special tool (09568-34000).

CAUTION: Apply a few drops of oil to the special tool. (Boot contact part)





7. Remove the lower arm ball joint mounting bolts (A).





8. Remove the strut lower arm mounting bolts (A).
9. Remove the hub and the knuckle assembly (B).

CAUTION: Be careful not to damage the boot and rotor teeth.

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

INSTALLATION





1. Install the hub and the knuckle assembly (B).
2. Install the strut lower mounting bolts (A).
Tightening torque 140 - 160 Nm (1400 - 1600 kgf-cm, 103.3 - 118 ft. lbs.)





3. Install the lower arm ball joint mounting bolts (A).





4. Install the tie rod end ball joint (C) to the knuckle.
a. Install the castle nut (B).
b. Install the split pin (A).





5. Install the wheel speed sensor (A).





6. Install the brake caliper (B), and then tighten the mounting bolts (A).





7. Install the washer (C), castle nut (B) and split pin (A) to the front hub.





8. Install the front wheel and tire (A) on the front hub (B).

CAUTION: Be careful not to damage the hub bolts (C) then install the front wheel and tire (A).