Overview - Front Axle Speed Sensor

Fig 1: Exploded View Of Front Axle Speed Sensor

Courtesy of AUDI OF AMERICA, LLC

1. Wheel Hub with Wheel Bearing
   • The ABS sensor ring is installed in the wheel bearing
   • Refer to SENSOR RING FOR ABS SPEED SENSOR, CHECKING 
2. Wheel Bearing Housing
   • Clean the inner surface of the hole before inserting the speed sensor.
3. Bolt
   • 8 Nm
4. Front Speed Sensor
   • Right Front ABS Wheel Speed Sensor -G45- /Left Front ABS Wheel Speed Sensor -G47-
   • Coat the speed sensor all around with Grease: G 000 650  before inserting.
   • Removing and installing. Refer to Right Front ABS Wheel Speed Sensor -G45- /Left Front ABS Wheel Speed Sensor -G47-, REMOVING AND INSTALLING .