Front Knuckle/Hub Bearing Unit Replacement
Front Knuckle/Hub Bearing Unit Replacement
Exploded View
Special Tools Required
- Ball Joint Thread Protector, 12 mm 07AAF-SDAA100
- Ball Joint Remover, 28 mm 07MAC-SL0A202
- Ball Joint Thread Protector, 14 mm 071AF-SZNA100
- Ball Joint Remover, 32 mm 07MAC-SL0A102
Hub Bearing Unit Replacement
1. Raise and support the vehicle Service and Repair.
2. Remove the wheel nuts (A) and the front wheel.
3. Remove the brake hose mounting bolt (A) from the damper.
4. Remove the brake caliper bracket mounting bolts (B), then remove the caliper assembly (C) from the knuckle. To prevent damage to the caliper assembly or brake hose, use a short piece of wire to hang the caliper assembly from the undercarriage. Do not twist the brake hose excessively.
5. Pry up the stake (A) on the spindle nut (B), then remove the nut.
6. Remove the front brake disc Front Brake Disc Replacement.
7. Remove the flange bolts (A), and remove the hub bearing unit (B) by tapping the driveshaft end (C) with a soft face hammer while drawing the hub bearing unit outward, then remove the splash guard (D).
NOTE:
- Do not pull the driveshaft end outward. The driveshaft inboard joint may come apart.
- During installation, apply grease to the mating surfaces of the hub bearing unit and driveshaft outboard joint.
8. Check the hub bearing unit for damage and cracks.
9. Install the hub bearing unit in the reverse order of removal, and note these items:
- Use the new spindle nut during reassembly.
- Before installing the spindle nut, apply a small amount of engine oil to the seating surface of the nut. After tightening, use a drift to stake the spindle nut shoulder against the driveshaft.
- Before installing the brake disc, clean the mating surfaces of the hub bearing unit and the inside of the brake disc.
- Before installing the wheel, clean the mating surfaces of the brake disc and the inside of the wheel.
10. Check the wheel alignment, and adjust it if necessary Service and Repair.
Knuckle Replacement
1. Remove the hub bearing unit.
2. Remove the wheel speed sensor (A) from the knuckle (B). Do not disconnect the wheel speed sensor connector.
3. Remove the cotter pin (A) from the tie-rod end ball joint, then remove the nut (B).
NOTE: During installation, install the new cotter pin after tightening the new nut, and bend its end as shown.
4. Disconnect the tie-rod end ball joint from the knuckle using the ball joint thread protector, and the ball joint remover Ball Joint Removal.
5. Remove the lock pin (A) from the lower arm ball joint, then remove the castle nut (B).
NOTE: During installation, install the lock pin as shown after tightening the new castle nut.
6. Disconnect the lower arm ball joint from the knuckle using the ball joint thread protector, and the ball joint remover Ball Joint Removal.
NOTE:
- Be careful not to damage the ball joint boot when installing the remover.
- Do not force or hammer on the lower arm, or pry between the lower arm and the knuckle. You could damage the ball joint.
7. Remove the damper pinch bolts (A) and flange nuts (B) from the damper, then remove the knuckle (C).
NOTE: During installation, install new damper pinch bolts and new flange nuts.
8. Install the knuckle in the reverse order of removal, and note these items:
- Be careful not to damage the ball joint boot when connecting the knuckle.
- Before connecting the lower arm ball joint to the knuckle, degrease the threaded section and tapered portion of the ball joint pin, the ball joint connecting hole, the threaded section and mating surfaces of the castle nut.
- Torque the castle nut to the lower torque specification, then tighten it only far enough to align the slot with the ball joint pin hole. Do not align the castle nut by loosening it.
9. Check the wheel alignment, and adjust it if necessary Service and Repair.