Overview - Wheel Bearing

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Fig 1: Wheel Bearing Housing And Wheel Bearing Unit Component Overview

Courtesy of AUDI OF AMERICA, LLC

Nut
- 40 Nm
- Always replace if removed
Upper Front Control Arm
Upper Rear Control Arm
Bolt
- Always replace if removed
Washer
Wheel Bearing Housing
- Removing and installing, refer to WHEEL BEARING HOUSING, REMOVING AND INSTALLING .
Brake Shield
Bolt
- For the tightening specification, refer to FRONT COVER PLATE, REMOVING AND INSTALLING .
Bolt
- 200 Nm +180° turn
- Replace after each removal, refer to DRIVE AXLE GENERAL INFORMATION .
- Before installing, clean the threads in the CV joint with a tap.
Wheel Hub
- Removing and installing, refer to WHEEL BEARING UNIT, SERVICING .
Wheel Bearing
- Wheel bearing unit, removing and installing, refer to WHEEL BEARING UNIT, REMOVING AND INSTALLING .
- Removing and installing, refer to WHEEL BEARING UNIT, SERVICING .
  CAUTION:
  - Avoid contaminating with dirt and damaging the seal when lifting, setting down/storing, refer to Fig 2.
Bolt
- 40 Nm
- Always replace if removed
Nut
- 140 Nm
- Always replace if removed
- After loosening threaded connection of guide control arm to wheel bearing housing, adhesive residue must be removed on thread of linkage stub.
Control Arm
Nut
- M12: 120 Nm
- M14: 140 Nm
- There are different versions.
- Always replace if removed
- After loosening threaded connection on the ball joint to the wheel bearing housing, adhesive residue must be removed on thread of linkage stub.
Guide Link
Tie Rod End
Nut
- Tightening specification, refer to OVERVIEW - STEERING GEAR, STEERING GEAR WITH TIE RODS
- Always replace if removed
Bolt
- Tightening specification, refer to FRONT ABS WHEEL SPEED SENSORS -G45- / -G47-, REMOVING AND INSTALLING .
Wheel Speed Sensor
drive axle
Bolt
- M10 70 Nm
- Always replace if removed
Cap Bolts
- 80 Nm +90° turn
- Always replace if removed

Fig 2: Wheel Bearing Unit Setting Precaution

Courtesy of AUDI OF AMERICA, LLC

The wheel bearing -1- must always face up.
Always set the wheel bearing unit down on the wheel hub -2-.

Never reach into the inside when lifting the wheel bearing.

Fig 3: Wheel Bearing Handling Precaution
Courtesy of AUDI OF AMERICA, LLC
Hold the wheel bearing only on the outside.