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
Puller - Kukko Separating Tool - Diameter 25-155mm 15/3 with
Puller - Kukko Quick Action Separating Tool - 25-155mm 17/3

Wheel bearing housing 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

-- Install special tools as shown in illustration.

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

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

Fig 2: Bearing Inner Race And Spinning Washer

Courtesy 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 Kukko 15/3 with 17/3.

-- Install special tools as shown in illustration.

Fig 3: Identifying Tool Set Up

Courtesy of AUDI OF AMERICA, LLC

Press Piece - Multiple Use VW412
Sleeve T10230/8 from the Hydraulic Press - Bushing Assembly Tool Kit T10230
Thrust piece T10230/3 from the Hydraulic Press - Bushing Assembly Tool Kit T10230
Wheel hub
Bearing inner race
Kukko 15/3 with 17/3

-- Press the bearing inner race from the hub.

Pressing wheel hub into wheel bearing

CAUTION:

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

The wheel bearing -1- must always face up.

Fig 4: Always Set Wheel Bearing Down On Wheel Hub -2- (Wheel Bearing -1- Faceing Up)

Courtesy of AUDI OF AMERICA, LLC

-- Always set the wheel bearing unit down on the wheel hub -2-.

-- Install special tools as shown in illustration.

Fig 5: Identifying Punch VW 412, Thrust Plate VW 402, Wheel Hub, Ball Bearing & Thrust Plate VW 401

Courtesy of AUDI OF AMERICA, LLC

Press Piece - Multiple Use VW412
Press Plate VW402
Wheel hub
Ball Bearing
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 .