Overview - Front Axle Speed Sensor

The transverse and longitudinal acceleration sensors are installed in the ABS Control Module -J104-. The sensors cannot be replaced.

Fig 1: Exploded View Of Front Axle Speed Sensor

Courtesy of AUDI OF AMERICA, LLC

1. Wheel Bearing Housing
   • Clean the inner surface of the hole before inserting the speed sensor.
2. Front Speed Sensor
   • Right Front ABS Wheel Speed Sensor -G45-
   • Left Front ABS Wheel Speed Sensor -G47-
   • Removing and installing. Refer to RIGHT AND LEFT FRONT ABS WHEEL SPEED SENSOR -G45- / -G47-, REMOVING AND INSTALLING 
   • Coat the speed sensor all around with Grease :G 000 650  before inserting.
3. Bolt
   • 9 Nm
4. Bolt
   • Tightening specification. Refer to OVERVIEW - WHEEL BEARING .
5. Wheel Bearing
   • With integrated ABS sensor ring