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Wheel Bearing Unit, Servicing

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Special tools and workshop equipment required 

Wheel Hub, Removing from Wheel Bearing

Fig 1: Identifying Tool Set Up
GWWA40-10218Courtesy of AUDI OF AMERICA, LLC

-- Install special tools as shown in illustration.

  1. Press Piece - Multiple Use VW412
  2. Sleeve T10230/3 from the Hydraulic Press - Bushing Assembly Tool Kit T10230
  3. Thrust Piece T10230/8 from the Hydraulic Press - Bushing Assembly Tool Kit T10230
  4. Wheel bearing unit
  5. Press Plate VW402
  6. Press Plate VW401

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

Fig 2: Bearing Inner Race And Spinning Washer
GWWA40-0488Courtesy of AUDI OF AMERICA, LLC

-- Insert the separating tool between the bearing inner race -1- and the wheel hub -2- and pretension with the spindle.

NOTE:

Use a commercially available separating tool such as the Puller - Kukko Separating Tool - Diameter 25-155mm15/3 with Puller - Kukko Quick Action Separating Tool - 25-155mm17/3.

-- Install special tools as shown in illustration.

Fig 3: Identifying Tool Set Up
GWWA40-10219Courtesy of AUDI OF AMERICA, LLC
  1. Press Piece - Multiple Use VW412
  2. Sleeve T10230/3 from the Hydraulic Press - Bushing Assembly Tool Kit T10230
  3. Thrust piece T10230/8 from the Hydraulic Press - Bushing Assembly Tool Kit T10230
  4. Puller - Kukko Separating Tool - Diameter 25-155mm15/3 with Puller - Kukko Quick Action Separating Tool - 25-155mm17/3

-- Press the bearing inner race from the hub.

Pressing Wheel Hub into Wheel Bearing

Fig 4: Identifying Punch VW 412, Thrust Plate VW 402, Wheel Hub, Ball Bearing & Thrust Plate VW 401
GWWA40-10198Courtesy of AUDI OF AMERICA, LLC

-- Install special tools as shown in illustration.

  1. Press Piece - Multiple Use VW412
  2. Press Plate VW402
  3. Wheel hub
  4. Ball Bearing
  5. Press Plate VW401
NOTE:

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

CAUTION:

When setting down or pressing in, make sure there is no dirt or contaminants between the Press Plate VW401 -5- and the ball bearing -4-.

-- Press the wheel hub into the wheel bearing.

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

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