Overview - Wheel Bearing, Vehicles With Front Wheel Drive (Fwd)

Fig 1: Exploded View Of Wheel Bearing Housing, Wheel Bearing Unit And Coil Spring Shock Absorber

Courtesy of AUDI OF AMERICA, LLC

1. Upper Transverse Link
2. Nut
   • 95 Nm 
   • Always Replace If Removed
   • Must be tightened in the curb weight position. Refer To WHEEL BEARING IN CURB WEIGHT, REAR AXLE, LIFTING VEHICLES WITH COIL SPRING .
3. Bracket
   • For the brake hose, brake caliper wiring harness and Rear Wheel Speed Sensor -- wiring harness
4. Bolt
   • 10 Nm 
5. Bolt
6. Eccentric Washer
7. Brake Rotor
8. Collar Screw
   • 200 Nm  +180°
   • Always Replace If Removed
9. Protective Cap
   • Remove with Puller - Grease Cap:VW637/2 
   • Always Replace If Removed
10. Bolt
    • 5 Nm 
11. Wheel Bearing Housing
    • With axle pins
    • Installed only together with -item  ) OVERVIEW - WHEEL BEARING, VEHICLES WITH FRONT WHEEL DRIVE (FWD) - FRONT SEAL and -item  ) OVERVIEW - WHEEL BEARING, VEHICLES WITH FRONT WHEEL DRIVE (FWD) - WHEEL BEARING UNIT.
    • Removing and installing. Refer To WHEEL BEARING HOUSING, REMOVING AND INSTALLING, FRONT WHEEL DRIVE (FWD) VEHICLES .
12. Bonded Rubber Bushing
    • Cannot be exchanged separately
13. Brake Shield
14. Bolt
    • 10 Nm 
15. Front Seal
16. Wheel Bearing Unit
    CAUTION:

    • Avoid contaminating with dirt and damaging the seal when setting down/storing. Refer To Fig 2.
    • Removing and installing. Refer To WHEEL BEARING UNIT, FRONT WHEEL DRIVE (FWD), REMOVING AND INSTALLING .
    • The wheel bearing unit cannot be serviced
17. Tie Rod
    • There are versions made of aluminum and steel.
    • A mixed installation is not permitted
18. Bolt
    • 90 Nm  +90°
    • Always Replace If Removed
    • Must be tightened in the curb weight position. Refer To WHEEL BEARING IN CURB WEIGHT, REAR AXLE, LIFTING VEHICLES WITH COIL SPRING .
19. Bolt
    • 120 Nm  +360°
    • Always Replace If Removed
    • Must be tightened in the curb weight position. Refer To WHEEL BEARING IN CURB WEIGHT, REAR AXLE, LIFTING VEHICLES WITH COIL SPRING .
      NOTE:

      Axle alignment is necessary if the bolt is removed.

20. Spacer Tube
    • Always Replace If Removed
21. Nut
    • Always Replace If Removed
      CAUTION:

      • Do not tighten the threaded connection using the nut.
      NOTE:

      Axle alignment is necessary if the nut is loosened.

22. Lower Transverse Link
23. Ball Bearing
    CAUTION:

    • Avoid contaminating with dirt and damaging the seal when setting down/storing. Refer To Figure.
    • Wheel bearing unit, removing and installing. Refer To WHEEL BEARING UNIT, ALL WHEEL DRIVE (AWD), REMOVING AND INSTALLING .
    • For servicing the wheel bearing unit. Refer To WHEEL BEARING UNIT, SERVICING .
24. Wheel Bearing Housing
    • Without axle pins
    • Installed only together with -item  ) OVERVIEW - WHEEL BEARING, VEHICLES WITH FRONT WHEEL DRIVE (FWD) - BALL BEARING and -item  ) OVERVIEW - WHEEL BEARING, VEHICLES WITH FRONT WHEEL DRIVE (FWD) - DRIVE AXLE STUB.
    • Removing and installing. Refer To WHEEL BEARING HOUSING, ALL WHEEL DRIVE (AWD), REMOVING AND INSTALLING .
25. Bonded Rubber Bushing
    • Replacing. Refer To WHEEL BEARING HOUSING RUBBER BONDED BUSHING, REMOVING AND INSTALLING, FRONT WHEEL DRIVE (FWD) VEHICLES .
26. Drive Axle Stub
    • Installed only together with -item  ) OVERVIEW - WHEEL BEARING, VEHICLES WITH FRONT WHEEL DRIVE (FWD) - WHEEL BEARING HOUSING.
27. Bolt
    • 9 Nm 
28. Rear ABS wheel speed sensor --
29. Washer
    • Serves as corrosion protection
    • Always use
30. Bolt
    • 150 Nm  +180°
    • Always Replace If Removed
    • Must be tightened in the curb weight position. Refer To WHEEL BEARING IN CURB WEIGHT, REAR AXLE, LIFTING VEHICLES WITH COIL SPRING .
31. Shock Absorber
    • Removing and installing. Refer To SHOCK ABSORBER, FRONT WHEEL DRIVE (FWD), REMOVING AND INSTALLING .
32. Protective Sleeve
33. Stop Buffer
34. Bolt
    • 50 Nm  +45°
    • Always Replace If Removed
35. Upper Shock Absorber Mount
    • Installed position. Refer To SHOCK ABSORBER, FRONT WHEEL DRIVE (FWD), SERVICING 
36. Nut
    • 35 Nm 
    • Always Replace If Removed
37. Protective Cap

Avoid Contaminating With Dirt And Damaging The Seal When Setting Down/Storing 

Fig 2: Always Set Wheel Bearing Down On Wheel Hub -2- (Wheel Bearing -1- Facing Up)

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-.