Wheel electronics, assembly overview
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 - Metal valve body
- Delivered complete
- Replace valve insert with every tire change
- Removing and installing → Metal valve body, removing and installing
2 - Valve core
3 - Sealing ring
- Removing and installing → Metal valve body, removing and installing
4 - Rim
- Tires, mounting and dismounting Dismounting tire and Mounting tire
5 - Wheel electronics
- Must be completely replaced
- Battery life approx. 7 years
- Remaining battery life, temperature and pressure can be read via diagnosis with Vehicle Diagnostic, Measuring and Information System VAS 5051A
6 - Microencapsulated screws Torx T20
- Torque specification 4 Nm
- Screws must be replaced
- Can only be obtained as a replacement part with wheel electronics
7 - Union nut
- Torque specification 4 Nm
- Removing and installing → Metal valve body, removing and installing
8 - Bevelled washer