Servicing wheel bearing housing — AUDI

Special tools and workshop equipment required

VW 401 Pressure plate
VW 402 Pressure plate
VW 407 Press tool
VW 412 Press tool
VW 416 B Tubular section
VW 432 Thrust pad
VW 447 i Thrust piece
VW 519 Tubular section
3005 Thrust plate
3062 Thrust piece
3291/2 from assembly device
30-100 Fitting sleeve
3345 Tube for wheel bearing
Kukko 15-17 parting tool (commercially available)

Wheel bearing housing
Note different running gear versions

=> Parts List

Do not grease bearing seat in wheel bearing housing before pressing in wheel bearing
Removing and installing=>Page
40-85

Wheel bearing
Stepped ID
Installation position:

Large ID of wheel bearing faces wheel hub

Pressing out ø 75 => Fig.
3
Pressing out ø82 =>Fig.
4
Pressing off bearing inner race
=> Figs.
5
and
6
Pressing in ø75=>Fig.
7
Pressing in ø82 =>Fig.
8

Wheel hub
Stepped design
Pressing outø75 =>Fig.
1
Pressing out ø82 =>Fig.
2
Pressing in ø75 =>Fig.
9
Pressing in ø82 =>Fig.
10
Contact surface for wheel hub/brake disc and tapped holes must be free from paint and dirt

Hexagon bolt, 10 Nm
Splash plate
Speed sensor
Pull out to remove
Fit drive shaft before installing speed sensor
Before fitting sensor, clean inner surface of hole and coat with lubricating paste G 000 650
Press home in clamping sleeve

Clamping sleeve
Always replace
Left and right identical
Apply lubricating paste G 000 650 to hole in wheel bearing housing before fitting
Press home in wheel bearing housing

Fig.1
Pressing wheel hub out of wheel bearing housing

(ø 75 mm)

Fig.2
Pressing wheel hub out of wheel bearing housing

(ø82 mm)

Fig.3
Pressing wheel bearing out of wheel bearing housing

(ø 75 mm)

Fig.4
Pressing wheel bearing out of wheel bearing housing

(ø 82 mm)

Fig.5
Inserting parting tool

Insert parting tool -1- in annular groove of bearing inner race -arrow A- and pre-tension with spindle -arrow B-.

1 -
Parting tool, e.g. Kukko 15-17 (commercially available)

Fig.6
Pressing bearing inner race off wheel hub

1 -
Parting tool, e.g. Kukko 15-17 (commercially available)

Fig.7
Pressing wheel bearing -A- into wheel bearing housing (ø 75 mm)

Large ID of wheel bearing faces wheel hub.

Fig.8
Pressing wheel bearing -A- into wheel bearing housing (ø 82 mm)

Large ID of wheel bearing faces wheel hub.

Fig.9
Pressing wheel hub into wheel bearing (ø 75 mm)

Make sure wheel hub does not take weight of wheel bearing housing, as otherwise wheel bearing could be damaged.

When pressing in, thrust pad -VW519- may only rest on bearing inner race.

Wheel bearing housing must be kept as horizontal as possible when pressing in.

Otherwise, wheel hub will tilt in wheel bearing and result in premature bearing damage.

Fig.10
Pressing wheel hub into wheel bearing (ø 82 mm)

Make sure wheel hub does not take weight of wheel bearing housing, as otherwise wheel bearing could be damaged.

When pressing in, thrust pad -VW447i- may only rest on bearing inner race.

Wheel bearing housing must be kept as horizontal as possible when pressing in.

Otherwise, wheel hub will tilt in wheel bearing and result in premature bearing damage.