Overview - Rear Axle Speed Sensor, All Wheel Drive (AWD) Vehicles

Fig 1: Exploded View Of Rear Axle Speed Sensor, AWD Vehicles

Courtesy of AUDI OF AMERICA, LLC

1. Wheel Bearing Unit
   • The ABS sensor ring is installed in the wheel bearing
   • Refer to SENSOR RING FOR ABS SPEED SENSOR, CHECKING 
   • Removing and Installing. Refer to WHEEL BEARING UNIT, REMOVING AND INSTALLING .
2. Wheel Bearing Housing
   • Clean the inner surface of the hole before inserting the speed sensor.
3. Speed Sensor
   • Right Rear ABS Wheel Speed Sensor -G44-, Left Rear ABS Wheel Speed Sensor -G46-
   • Removing and installing. Refer to RIGHT/LEFT REAR ABS WHEEL SPEED SENSOR -G44- / -G46-, REMOVING AND INSTALLING 
   • Coat the speed sensor all around with Grease: G 000 650  before inserting.
4. Bolt
   • 8 Nm