Part V, wheel bearing housing (steel) - all wheel drive
WARNING: This page does not describe the selected car, but rather 17 other vehicles, including the 2009 Audi S4, 2009 Audi A4, 2008 Audi S4, 2008 Audi RS 4, and 2008 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
1 - Wheel bearing housing
- Vehicles with all-wheel drive
- Removing and installing → Stub axle carrier/wheel bearing housing and wheel bearing unit
- Servicing → Wheel bearing housing (steel) - all wheel drive, servicing
2 - Wheel bearing
- Removing and installing with wheel bearing housing removed → Wheel bearing housing (steel) - all wheel drive, servicing
- Removing and installing in vehicle → Wheel bearing (with wheel bearing housing (steel) installed - all wheel drive), removing and installing
3 - Wheel hub
- Removing and installing with wheel bearing housing removed → Wheel bearing housing (steel) - all wheel drive, servicing
- Removing and installing in vehicle → Wheel bearing (with wheel bearing housing (steel) installed - all wheel drive), removing and installing
4 - Collar bolt
- Always replace
- Tighten to 200 Nm plus an additional 180° turn
- Tighten to 200 Nm, if vehicle is raised, only tighten with additional turn when vehicle is on floor
- If vehicle is resting on floor, do not loosen more than 90°
5 - Drive axle
- Removing and installing → Drive axles, removing and Installing
- Servicing (with inner joint 100 mm dia.) → Drive axle with constant velocity inner joint (diameter 100 mm), servicing
- Servicing (with inner joint dia. mm 108) → Driveshaft with constant velocity inner joint (diameter 108 mm), servicing
6 - Speed sensor
- Wire routing Speed sensor wire routing on trapezoidal control arm
7 - Hex socket head bolt, 10 Nm
8 - Washer
9 - Nut, self-locking
- Always replace
10 - Strut
- Removing and installing → Strut
- Observe installed location Strut location
- Note different vehicle versions, see vehicle data plate. Clarification of Production Control numbers (PR No.)
- Faulty struts must be vented and emptied before disposal → Strut, checking
- Check removed strut → Strut, checking
11 - Combi-bolt, 36 Nm
12 - Combi-bolt
- Always replace
- Tighten to 150 Nm plus an additional 90° turn
- Tighten bolts only in curb weight position