Audi A6 (C5) Front Suspension and Wheel Bearing Servicing

Front axle components, overview
Load bearing components and parts of the suspension must not be welded or straightened.
Vehicles without drive axle must not be moved, or wheel bearing will be damaged. If vehicle does have to be moved, always note the following points:
- Install an outer joint in place of the drive axle.
- Tighten outer joint to 115 Nm (M14 bolt) or 190 Nm (M16 bolt).
Bonded rubber bushings can only be turned to a limited extent. The bolted connections on suspension links should only be tightened when vehicle is standing on the ground. Threads in longmember, servicing Servicing thread in weld nuts in longmember is possible under certain circumstances. Servicing must only be performed once per thread. If secondary servicing is required, the weld nut must be replaced.
WARNING! Wear protective glasses when drilling! Have responsible foreman or next superior check thread repair. Thread insert must have same length as thread in body. Repair possible damage to underbody; applicable notes can be found in: Repair Manual, Body Collision Repair, Repair Group 00; Corrosion protection measures.
Component overview
1 - Hex bolt, 75 Nm
2 - Washer
3 - Hex bolt M10 x 62
Always replace after disassembly
4 - Upper rear link
Replace bushing
Separating from wheel bearing housing
5 - Hex bolt, 5 Nm
Bolt onto system
6 - Bolt
7 - Self-locking nut
Always replace after disassembly 50 Nm for steel wheel bearing housing 45 Nm for aluminium wheel bearing housing
8 - Hex bolt M10 x 100.

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