Drive Pinion, Disassembling And Assembling

Special tools and workshop equipment required 

• Press Plate: VW401 
• Press Plate: VW402 
• Press Piece - Multiple Use: VW412 
• Press Piece - 60mm: VW415A 
• Inductive Heater: VAS6414 
• Circlip Pliers: VAS5503A 

The disassembling and assembling of the pinion is currently only possible on vehicles without reinforcement.

The pinions can only be differentiated on the sleeve -item 3-  OVERVIEW - DRIVE PINION => List Item: Sleeve or preload sleeve -item 1-  OVERVIEW - DRIVE PINION => List Item: Circlip.

Courtesy of AUDI OF AMERICA, LLC

Special tools and workshop equipment required 

• Splitter: VAS251411 

  Courtesy of AUDI OF AMERICA, LLC

• Extracting Tool - Thrust Piece: T40413/13 

Remove the Circlip for the Preload Sleeve 1 from the Pinion

• Place the Extracting Tool - Thrust Piece: T40413/13  on the pinion -2- so that the groove on the circlips -1- is centered in the larger opening on the Thrust Piece.

A -

Press Piece - Multiple Use: VW412 

B -

Extracting Tool - Thrust Piece: T40413/13 

C -

Circlip Pliers: VAS5503A 

D -

Press Plate: VW402 

-- Push the preload sleeve together until the circlip -1- can be removed from the groove of the pinion -2-.

Remove the Double Angular Contact Ball Bearing 2

-- Secure the pinion -3- from falling.

1. Splitter: VAS251411 

• If the double angular contact ball bearing inner race remains on the pinion, it must be removed separately using the : VAS251411  -1-.

Remove the Inner Race of the Double Angular Contact Ball Bearing 2

-- Secure the pinion from falling.

-- Secure the Separating Tool -1- in the groove of the inner races -arrow-.

Press the Double Angular Contact Ball Bearing 1 on the Pinion

• Installation position of the double angular contact ball bearing -1- : the groove all around -all arrow- points upward to the pressing tool.

-- Warm the double angular contact ball bearing using the : VAS6414  to approximately 100 °C (212 °F) and press in all the way.

Install the Circlip 1 on the Pinion as Follows:

-- Fist install a new preload sleeve -2- in the installation position.

• Installation position of the preload sleeve: the higher collar -arrow- points to the circlip -1-.
• Push a new circlip -1- all the way on the preload sleeve.

Bring the Circlip for the Preload Sleeve 2 into Installation Position

• Place the Extracting Tool - Thrust Piece: T40413/13  on the pinion so that the groove on the circlips -2- is centered in the smaller opening on the Thrust Piece.

A -

Press Piece - Multiple Use: VW412 

B -

Extracting Tool - Thrust Piece: T40413/13 

C -

Press Plate: VW402 

-- Carefully press the preload sleeve -1- together using the shop press.

-- The circlip must engage audibly in the pinion groove all around.

-- After pressing check that the circlip is in the groove all around.