Part IV, Stub axle carrier - front wheel drive: Notes
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 - Stub axle carrier
- Vehicles with front wheel drive
- Removing and installing → Stub axle carrier/wheel bearing housing and wheel bearing unit
- Servicing → Stub axle carrier - front wheel drive, servicing
2 - Wheel bearing unit
- Removing and installing → Stub axle carrier/wheel bearing housing and wheel bearing unit
- The wheel bearing and wheel hub are installed together in a housing.
- This wheel bearing/hub unit is maintenance and adjustment free. Adjusting and servicing is not possible!
- Does not need to be replaced
- If wheel bearing unit can be removed from stub axle carrier by hand, wheel bearing unit is OK and can be reinstalled.
- If it cannot be removed by hand, wheel bearing unit must be replaced.
- Replace only as a unit
3 - Collar screw
- Always replace
- Tighten to 200 Nm plus 180° additional 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°
4 - Dust cap
- Always replace if removed
- An appropriate seal can only be achieved with a new dust cap.
- Only then is an optimum function and long service life guaranteed.
5 - Speed sensor
- Wire routing Speed sensor wire routing on trapezoidal control arm
6 - Hex socket head bolt, 10 Nm
7 - Nut, self-locking
- Always replace
8 - Washer
9 - Strut
- On vehicles with Dynamic Ride Control (DRC II), empty and fill system → Dynamic Ride Control (DRC II), emptying and filling
- 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 → Rear gas-filled strut, venting
- Check removed strut → Strut, checking
10 - Combi-bolt, 36 Nm
11 - Combi-bolt
- Always replace
- Tighten to 150 Nm plus an additional 90° turn
- Tighten bolts only in curb weight position