Removing the hub
Remove the front wheel.
Knock out the cotter pin and unscrew the nut securing the front wheel hub.
Remove the caliper assembly with the guide pads and brake pads from the steering knuckle and hang it on a technological hook or wire to the car body.
Remove the wheel speed sensor from the steering knuckle.
Pressing out the ball joint pin of the tie rod end from the steering knuckle using a puller 09568-34000
Using a puller 09568-34000, press the ball joint pin of the tie rod end out of the steering knuckle.
Note. To prevent puller 09568-34000 from falling, tie it to a nearby part.
Front suspension hub bearing replacement
Steering knuckle front suspension strut: 1 - brake caliper assembly with pads; 2 - protective cover; 3 - brake disc; 4 – a nut of fastening of a nave; 5 - hub; 6 – rotary fist; 7 – suspension arm; 8 - hub bearing; 9 - retaining ring
Using a puller 09568-34000, press out the pin of the ball joint of the suspension arm from the pivot arm.
Install the washer under the hub nut with the concave side inward.
Rounded fist
Disconnect the wheel drive shaft from the hub.
Disconnect the suspension strut from the steering knuckle.
Remove the steering knuckle assembly with the hub.
Installation
Installation is made in an order, the return to removal.
Tighten threaded connections to the following torques, Nm:
- Nut of fastening of a nave — 200–260
- Nut of fastening of a pin of a spherical support of the suspension arm to a rotary fist — 60–72
- Nuts of bolts of fastening of a rack of a suspension bracket to a rotary fist — 110–130
Disassembly
Remove the brake disc from the hub by removing the two mounting screws.
Removing the retaining ring
Remove the snap ring.
Installation of tools 09517-21500 and 09517-29000 for pressing out the wheel bearing
Install tools 09517-21500 and 09517-29000.
Press the hub out of the steering knuckle by turning the nut of tool 09517-29000.
Remove tools 09517-21500 and 09517-29000 and the mudguard.
Checking the technical condition
Check the hub for cracks and the splines for wear.
Check the brake disc for nicks or other damage.
Check the steering knuckle for cracks.
Check the bearing for cracks and damage.
Apply a light coat of multipurpose grease to the mating surfaces of the steering knuckle and bearing outer race.
Using tool 09532-31200A, press the hub bearing into the steering knuckle.
Assembly
Press the bearing inner race out of the hub using tool 09495-33000.
Using tools 09517-02000 and 09977-21811, press the outer ring of the hub bearing out of the knuckle.
Note. In order not to damage the bearing, apply the pressing force to its outer ring.
Replace the hub bearing with a new one each time it is removed.
Install the mudguard ring.
Device 09495-33100 for pressing the hub into the steering knuckle
Using tool 09495-33100, press the hub into the steering knuckle.
Note. Pressing should be carried out with an emphasis on the inner ring of the bearing so as not to damage the bearing.
Install the brake disc.
Tighten the hub nut to 200–260 Nm using tool 09517-21500.
Checking the axial clearance in the wheel bearing
If, after tightening the hub nut, the axial clearance in the bearing (figure 4.24) exceeds the maximum allowable, which means that the bearing of the hub and the swing arm is incorrectly installed. In this case, disassemble the assembly and reassemble it.
The maximum allowable axial clearance in the hub bearing must not exceed 0.008 mm.
Remove tool 09517-21500.
Rotate the hub a few times to self-align the bearing.
Checking the moment of resistance to rotation of the wheel bearing
Check the moment of resistance to rotation of the hub bearing.
The maximum permissible moment of resistance to rotation of the hub bearing must be no more than 0.99 Nm.
If the torque is zero, check the axial clearance in the bearing.