Spur Gear Bearing And Center Differential, 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 - Rod VW408A
Press Piece - Multiple Use VW412
Press Piece - Multiple Use VW447H
Bearing Installer - Differential Bearing VW511
Bearing Installer - Multiple Use 40-103
Press Piece - Multiple Use 40-105
Press Piece - Multiple Use 3005
Bearing Installer - Wheel Bearing 3144
Press Piece - Reverse Gear Syncro 3296
Subframe Bushing Tool Kit3301
Bearing Installer - Multiple Use 3347
Pressure Plate 3412
-1- Puller - Kukko Internal - 46-56mm 21/7
-3- Puller - Kukko Quick Action Separating Tool - 22-115mm 17/2
-4- Puller - Kukko Counterstay 22/2
Three-Arm Puller 45-2

Fig 1: Removing Inner Race/Tapered Roller Bearing From Spur Gear

Courtesy of AUDI OF AMERICA, LLC

A - Puller - Quick Action Separating Tool - 22-115mm, for example 17/2

NOTE:

Both spur gear inner race/tapered roller bearings are removed the same way.

Bearing inner- and outer race of tapered roller bearing are paired. Do not interchange them.

The inner race/tapered roller bearing can also be removed with the Puller - Taper Roller Bearing VAG1582 and the Puller - Taper Roller Bearing - Adapter 8 VAG1582/8. Insert the Press Piece - Multiple Use 40-105 while doing this.

Fig 2: Installing Transmission-Cover Side Inner Race/Tapered Roller Bearing On Spur Gear

Courtesy of AUDI OF AMERICA, LLC

Fig 3: Installing Gear-Carrier Side Inner Race/Tapered Roller Bearing On Spur Gear

Courtesy of AUDI OF AMERICA, LLC

Fig 4: Removing Outer Race/Tapered Roller Bearing From Gear Carrier

Courtesy of AUDI OF AMERICA, LLC

Fig 5: Installing Outer Race/Tapered Roller Bearing -A- In Gear Carrier

Courtesy of AUDI OF AMERICA, LLC

Fig 6: Removing Small Ball Bearing -C- From Center Differential

Courtesy of AUDI OF AMERICA, LLC

A - Counter Support, for example, Puller - Kukko Counterstay 22/2

B - Puller - Kukko Internal - 36-46mm 21/6 for example

Fig 7: Installing Small Ball Bearing -A- In Center Differential

Courtesy of AUDI OF AMERICA, LLC

Fig 8: Removing Large Ball Bearing -B- From Center Differential

Courtesy of AUDI OF AMERICA, LLC

-- Install the Press Piece - Multiple Use VW447H with the small diameter into the center differential.

-- Place the Press Piece - Multiple Use 40-105 on the center differential.

A -

Puller Three-arm45-2, for example

Fig 9: Installing Large Ball Bearing -A- On Center Differential

Courtesy of AUDI OF AMERICA, LLC