Replacing wheel bearing — AUDI

Special tools and workshop equipment required

Thrust plate 40-105
Puller 3423
Engine/gearbox lifter V.A.G 1383 A
Foot-operated pump with high-pressure hose V.A.G 1389 A/1
Hydraulic removal and installation device V.A.G 1459 B
Accessory set V.A.G 1459 B2

2 - Kukko 18/0 puller

Sequence of operations

Screw out bolt -1-.
Pull speed sensor out of trailing arm.
Remove drive shaft => Page
42-129
.

Screw out bolts -1-.
Detach brake caliper and hang up with piece of wire.

Note:

Brake hose/pipe is never to be twisted or kinked.

Screw out cross-head bolt for brake disc and detach brake disc.

Pressing out wheel hub

Insert thrust pad -1- as shown.

1 -
Thrust pad E-39

Note:

Position thrust pad such that it rests completely on bolt heads -2-.

Fit centring device with clamp -2- at hollow plunger cylinder -1-.

1 -
Hollow plunger cylinder HKZ-15 with thrust pad E-0-204-T, hydraulic
2 -
Centring device with clamp E-76-2

Fit bell -1-, hollow plunger cylinder -2- with pin -3- and special nut -4-.

1 -
Bell E 40
2 -
Hollow plunger cylinder HKZ-15
3 -
Pin E-0-217
4 -
Special nut E-8-214
5 -
High-pressure hose with quick-release coupling
6 -
Thrust pad E-39

Build up pressure with foot-operated pump.
Then check whether all tools are properly centred.

Attention:
Place engine/gearbox lifter V.A.G 1383
Press wheel hub out of wheel bearing by way of pump action.

Pressing out wheel bearing

Use commercially available circlip pliers to take out circlip -1-.

Position thrust pad -1- on back of wheel bearing.
Place hollow plunger cylinder -2- with pin -3- and special nut -4- in position.
Build up pressure with foot-operated pump.
Then check whether all tools are properly centred.
Press out wheel bearing by way of pump action.

1 -
Thrust pad E-5
2 -
Hollow plunger cylinder HKZ-15
3 -
Pin E-0-217
4 -
Special nut E-8-214
5 -
Bell E-44

Detaching bearing inner race from wheel hub

Apply special tools shown and extract bearing inner race by turning spindle.

Pressing in wheel bearing

Place wheel bearing in position at wheel bearing housing.
Position thrust pad -1- on back of wheel bearing housing.
Place hollow plunger cylinder -2- with pin -3-, special nut -4- and thrust pad in position.
Build up pressure with foot-operated pump.
Then check whether all tools are properly centred.
Press in wheel bearing by way of pump action.

1 -
Thrust pad E-6-1
2 -
Hollow plunger cylinder HKZ-15
3 -
Pin E-0-217
4 -
Special nut E-8-214

5 -
Thrust pad E-13-1

Use pointed-nose pliers to insert circlip.

Pressing in wheel hub

Place wheel hub in position at wheel bearing.
Fit centring device with clamp -2- at hollow plunger cylinder -1-.

Position thrust pad -1- on back of wheel bearing housing.
Place hollow plunger cylinder -2- with pin -3-, special nut -4- and thrust pad in position.
Build up pressure with foot-operated pump.
Then check whether all tools are properly centred.
Press in wheel hub with foot-operated press.

Shoulder -arrow- of thrust pad E-5 must face special nut -4-.

1 -
Thrust pad E-5
2 -
Hollow plunger cylinder HKZ-15
3 -
Pin E-0-217
4 -
Special nut E-8-214

Perform further installation in reverse order, paying attention to the following:

Install drive shaft => Page
42-131
.
Fit brake caliper.

=> Brake System; Repair Group 46
Brake System