Table of contents: Removal ↓ Installation ↓
Removal
1. Place chocks under the front wheels.
2. Loosen the rear wheel mounting bolts.
3. Raise and support the rear of the vehicle.
4. Finally, loosen the mounting bolts and remove the rear wheel.
5. Remove the brake disc (see subsection 10.6).
6. Knock off the hub nut protective cap with a rubber-tipped hammer.
7. Remove the cotter pin and remove the hub nut retainer.
8. Loosen the hub nut and remove the adjusting washer.
9. Carefully remove the hub, as this may cause the hub bearings to fall out.
10. Remove the outer bearing from the hub.
11. From the inside of the hub, remove the seal and inner bearing if they are not still on the journal.
12. If it is necessary to replace the bearings, press the outer rings out of the hub using a copper drift.
Installation
1. Press the outer rings of both bearings into the hub using appropriate mandrels. Make sure that the larger diameters of the outer rings are directed towards the inside of the hub.
2. Install the inner bearing into the corresponding outer race in the hub, after lubricating it with consistent grease.
3. Press the seal into the hub flush with the end face, the outer edge of which should be directed towards the inside of the hub.
4. Place consistent grease into the inner cavity of the hub and install the hub on the journal.
5. Install the outer bearing into the hub, after lubricating it with consistent grease.
6. Install the adjusting washer and tighten the hub nut.
7. Install the brake disc.
8. Install the wheel and tighten the mounting bolts.
9. Adjust the hub bearings (see subsection 8.2.5).
10. Fill the hub nut cap two-thirds full with grease and press it into place using a suitable mandrel. Crumpled or cracked caps must be replaced (to prevent dirt and moisture from getting into the hub).
11. Lower the vehicle onto its wheels and tighten the wheel mounting bolts evenly to a torque of 110 N·m (11.0 kgf·m).
The article was copied from the website AudiManual.ru