Wheel Bearing Unit, Servicing: 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

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-- Arrange The Special Tools As Shown.

1. :VW412 
2. :T10230/3 
3. :T10230/8 
4. Wheel Bearing Unit
5. :VW402 
6. :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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• 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

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1. :VW412 
2. :VW402 
3. Wheel Hub
4. Wheel Bearing
5. :VW401 

• The Reworked Surface Of The Wheel Bearing Outer Race Faces Down.

-- Press The Wheel Hub Into The Wheel Bearing.

-- Install The Wheel Bearing Unit. Refer To WHEEL BEARING UNIT, REMOVING AND INSTALLING .