Overview - Wheel Bearing Housing And Wheel Bearing Unit, AWD Vehicles

Fig 1: Exploded View Of Wheel Bearing Housing & Wheel Bearing Unit

Courtesy of AUDI OF AMERICA, LLC

1. Bolt
   • 80 Nm +90°
   • Replace after removing
2. Drive Axle
3. Wheel Bearing Housing
   • Removing and installing. Refer to WHEEL BEARING HOUSING, REMOVING AND INSTALLING, AWD VEHICLES .
4. Rear Speed Sensor --
   • Removing and installing. Refer to RIGHT/LEFT REAR ABS WHEEL SPEED SENSOR -G44- / -G46-, REMOVING AND INSTALLING .
5. Bolt
   • Tightening specification. Refer to OVERVIEW - REAR AXLE SPEED SENSOR .
6. Bonded Rubber Bushing
   • Replacing. Refer to WHEEL BEARING HOUSING BONDED RUBBER BUSHING, REPLACING .
7. Bolt
   • Tightening specification. Refer to OVERVIEW - REAR BRAKES .
8. Brake Rotor
   • Removing and installing. Refer to BRAKE ROTOR, REMOVING AND INSTALLING, REAR BRAKES .
9. Bolt
   • Tightening specification. Refer to OVERVIEW - REAR BRAKES .
10. Bolt
    • Bolt : WHT.005.437  / black = 200 Nm +180°
    • Bolt : WHT.005.437.A  / silver = 200 Nm + 90°
    • Replace after removing.
    • Clean the threads in the CV joint with a thread tap before installing.
    • Bolt, loosening and tightening. Refer to DRIVE AXLE THREADED CONNECTION, LOOSENING AND TIGHTENING .
11. Wheel Bearing Unit
    • Removing and installing. Refer to WHEEL BEARING UNIT, REMOVING AND INSTALLING, AWD VEHICLES .
    • The wheel bearing and wheel hub are installed together in one housing.
    • The wheel bearing unit is maintenance free and has zero play. Adjusting or servicing is not possible!
      CAUTION:

      • When setting down/storing avoid contaminating with dirt and damaging the seal. Refer to Removing - The wheel bearing -1- must face up in order to remove the wheel bearing unit. .
12. Brake Shield
    • Removing and installing. Refer to BRAKE SHIELD, REMOVING AND INSTALLING, REAR BRAKES .