Wheel Bearing Unit, Servicing

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required

Press Plate: VW401
Press Plate: VW402
Press Piece - Multiple Use: VW412
Hydraulic Press - Bushing Assembly Tool Kit: T10230
Pneumatic Hydraulic Press: VAS6654
Puller Set VAS701 003: VAS70003
Hydraulic Press - Bushing Assembly Tool Kit - Sleeve: T10230/3
Hydraulic Press - Bushing Assembly Tool Kit - Thrust Piece: T10230/8
Puller Set VAS701 003: VAS701003
Puller Set - Clamping Sleeve: VAS701003/1
Puller Set - Threaded Spindle: VAS701003/2
Puller Set - Thrust Piece: VAS701003/3
Puller Set - Clamping Handle: VAS70003/4
Puller Set - Special Ring Spanner AF36: VAS701003/5
Puller Set - Clamping Pliers, Diameter 66-70 mm: VAS701003/7

Procedure

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

Wheel Hub, Removing from Wheel Bearing

Fig 1: Identifying Tool Set Up

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

Fig 2: Bearing Inner Race Remover Tools

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

Fig 3: Place Puller On Ball-Cage

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-- 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

Fig 4: Place Puller On Ball-Cage

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

Continuation for All Versions

Fig 5: Clamp The Puller On The Bearing Inner Race -2-

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 -arrow- and counterhold the : VAS701003/1 with the : VAS70003/4 .

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

Wheel Hub, Pressing in Wheel Bearing

Handling the wheel bearing. Refer to Fig 6.

Fig 6: Always Set Wheel Bearing Down On Wheel Hub -2- (Wheel Bearing -1- Facing Up)

Courtesy of AUDI OF AMERICA, LLC

Fig 7: Identifying Punch VW 412, Thrust Plate VW 402, Wheel Hub, Ball Bearing & Thrust Plate VW 401

Courtesy of AUDI OF AMERICA, LLC

-- 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.

-- Install the wheel bearing unit. Refer to WHEEL BEARING UNIT, REMOVING AND INSTALLING .