Overview - Pressure Sensor, Direct Measuring System: Notes

WARNING: This page is about a different car, the 2021 Audi SQ7, 2021 Audi Q7, 2020 Audi SQ7, and 2020 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

It is mandatory for run-flat tires to have a tire pressure monitoring system in the vehicle. Refer to TIRE PRESSURE MONITORING SYSTEM .

The wheel electronics, thus the system pressure sensor creates a physical unit with the valve.

Fig 1: Exploded View Of Pressure Sensor

Courtesy of AUDI OF AMERICA, LLC

Tire Pressure Sensor
- Left Front Tire Pressure Monitoring Sensor -G222-
- Right Front Tire Pressure Monitoring Sensor -G223-
- Left Rear Tire Pressure Monitoring Sensor -G224-
- Right Rear Tire Pressure Monitoring Sensor -G225-
- Batteries must be completely replaced.
- Remaining battery life, temperature and pressure can be read via diagnosis using the Vehicle Diagnostic Tester.
Bolt
4 Nm

NOTE:
Only used on Beru systems
- Microencapsulated
- Supplied as a replacement part complete with sensor
Metal Valve
- Supplied as a replacement part complete with sensor
- METAL VALVE BODY, REMOVING AND INSTALLING
  CAUTION:
  Do not screw any aluminum valve caps onto steel valve bodies. Aluminum caps attach to the steel valve body into a inseperable connection and cannot be separated again.
Valve Insert
Rim
Union Nut
- Always replace if removed
  NOTE:
  Do not counterhold on the metal valve when tightening
- UNION NUT, TIGHTENING SPECIFICATION
Valve Cap
NOTE:
Replace after damage

CAUTION:

If tire sealant was used, then the wheel electronics on that particular wheel must be replaced.