Wheel Bearing Unit, Servicing

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Special tools and workshop equipment required

Press Plate: VW401
Press Plate: VW402
Press Piece - Multiple Use: VW412
Hydraulic Press - Bushing Assembly Tool Kit: T10230
Hydraulic Press - Bushing Assembly Tool Kit - Sleeve: T10230/3
Hydraulic Press - Bushing Assembly Tool Kit - Thrust Piece: T10230/8
Pneumatic Hydraulic Press: VAS6654
Puller Set VAS701 003: VAS701003
Puller Set - Threaded Spindle: VAS701003/2
Puller Set - Clamping Sleeve: VAS701003/1
Puller Set - Clamping Handle: VAS701003/4
Puller Set - Special Ring Spanner AF36: VAS701003/5
Puller Set - Clamping Pliers, Diameter 66-70 mm: VAS701003/7

NOTE:

The wheel bearing and wheel hub are currently only delivered together. As soon as these components are delivered separately, the following instructions will apply.

Procedure

Wheel bearing unit is removed. Refer to WHEEL BEARING UNIT, REMOVING AND INSTALLING .

Wheel Hub, Removing from Wheel Bearing

GWWA40-10218

Courtesy of AUDI OF AMERICA, LLC

-- Arrange the special tools as shown.

: VW412
: T10230/3
: T10230/8
Wheel Bearing Unit
: VW402
: VW401

-- Press the wheel hub out of the wheel bearing.

Bearing Inner Race, Removing from Wheel Hub

GWWA42-10885

Courtesy of AUDI OF AMERICA, LLC

-- Prepare the puller from the : VAS701003 as follows:

-- Install the : VAS701003/1 on the : VAS701003/7 .

-- Install the : VAS701003/2 in the adapter sleeve and attach the : VAS701003/3 .

Bearing Inner Race Version 1

GWWA42-10841

Courtesy of AUDI OF AMERICA, LLC

-- Remove the ball-cage assembly from the bearing inner race -2-.

-- Place the puller -1- as shown on the ball bearing race -arrow- of the bearing inner race.

Bearing Inner Race Version 2

GWWA42-10842

Courtesy of AUDI OF AMERICA, LLC

-- Place the puller -1- on the groove -arrow- of the bearing inner race -2-.

Continuation for All Versions

GWWA42-10843

Courtesy of AUDI OF AMERICA, LLC

-- Clamp the puller on the bearing inner race -2- by turning the : VAS701003/7 with the : VAS701003/5 in the direction of the -arrow- and counterhold the : VAS701003/1 with the : VAS701003/4 .

-- Remove the bearing inner race with the : VAS701003/2 from the wheel hub -1-.

Wheel Hub, Pressing in Wheel Bearing

GWWA40-10198

Courtesy of AUDI OF AMERICA, LLC

Handling the wheel bearing. Refer to Figure.

-- Arrange the special tools as shown.

: VW412
: VW402
Wheel Hub
Wheel Bearing
: VW401

The reworked surface of the wheel bearing outer race faces down.

CAUTION:

There is a risk of damaging or contaminating the wheel bearing.

When setting down or pressing in, make sure there is no dirt or contaminants between the : VW401 and the wheel bearing.

-- Press the wheel hub into the wheel bearing.