Remove the steering knuckle when replacing the hub bearing, repairing the front suspension strut
Removal
In order not to damage the front wheel hub bearing, it is not allowed to:
- - loosen and tighten the front wheel hub mounting nut on a vehicle standing on its wheels;
- - lower the vehicle onto its wheels with the front wheel drive shaft removed or with the front wheel hub mounting nut loosened.
Place the vehicle on a lift.
Unlock the steering wheel.
Remove the front wheel.
Remove the front wheel speed sensor;
Disconnect the front brake assembly from the steering knuckle and hang it on the front spring suspension.
Install the stop on the front wheel hub and secure it with two wheel bolts (stop Rou. 604-01, replaceable head 17, ratchet).
Unscrew nut 10, figure 1, fastening the front wheel hub, remove the nut, remove the stop (replaceable head 32, replaceable head 17, ratchet).
Remove the front brake disc;
Remove the front brake disc casing.
Disconnect the steering tie rod end from the steering knuckle arm.
Unscrew nut 7 of the bolt fastening the ball joint of the front suspension arm to the steering knuckle and disconnect knuckle 3 from arm 9 (ring spanner 16, replaceable head 16, extension and ratchet).
Remove the spacer washer from the ball joint of the front suspension arm.
Unscrew two nuts 2 bolts fastening of the steering knuckle to the front suspension strut and remove the bolts (18 mm spanner, 18 mm replaceable head, ratchet).
Press out the drive shaft from the front wheel hub and remove the steering knuckle with the hub assembly.
Installation
Attention. The following fasteners must be replaced:
- - front wheel hub fastening nut;
- - front suspension arm ball joint fastening bolt nut;
- - nuts of the steering knuckle to front suspension strut fastening bolts.
Attention. Install the bolt that secures the ball joint of the lower arm of the front suspension to the steering knuckle with the head facing the front of the vehicle.
Install the splined tailpiece of the front wheel drive shaft into the front wheel hub.
Install the steering knuckle on the front suspension strut, insert the mounting bolts and tighten, without tightening, new nuts 2 (spanner 18, replaceable head 18, ratchet wrench).
Install spacer washer 3 on ball joint pin 4, figure 2, of front suspension arm.
Install ball joint pin of front suspension arm in steering knuckle, install fastening bolt and tighten new nut.
During assembly, flange 2 of spacer washer 3 should enter slot 1 of terminal connection on steering knuckle. Tightening torque of nut 62 Nm (6.2 kgf.m) (16 mm spanner, 16 mm replaceable head, ratchet wrench, torque wrench).
Tighten nuts of steering knuckle fastening bolts to front suspension strut. Tightening torque of nuts 105 Nm (10.5 kgf.m) (spanner 18, replaceable head 18, torque wrench)
Connect the tie rod end to the steering knuckle arm.
- - install the front brake disc housing;
- - install the front brake disc.
Install the stop on the front wheel hub and secure it with two wheel bolts.
Tighten the new front wheel hub mounting nut and remove the stop. Tightening torque of the nut 280 Nm (28.0 kgf.m) (replaceable head 17, replaceable head 32, ratchet, torque wrench).
- - install the front wheel speed sensor;
- - install the front brake assembly.
Install the front wheel. Press the brake pedal 2-3 times to setting the pistons of the wheel brake cylinders to the working position.
Check and, if necessary, adjust the installation angles of the front wheels.