Wheel Bearing Unit, Servicing: Procedure

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

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

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-- 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

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-- 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-

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-- 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

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

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CAUTION:

Avoid contaminating with dirt and damaging the seal when setting down/storing.

The wheel bearing -1- must face up in order to remove the wheel bearing unit.
Always set the wheel bearing unit down on the wheel hub -2-.
Never reach inside when lifting the wheel bearing.

Fig 7: Correct & Incorrect Holding Of Wheel Bearing
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Hold the wheel bearing only on the outside.

-- Arrange The Special Tools As Shown.

Fig 8: Identifying Punch VW 412, Thrust Plate VW 402, Wheel Hub, Ball Bearing & Thrust Plate VW 401

Courtesy of AUDI OF AMERICA, LLC

: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 .