INPUT SHAFT SEAL, REPLACING, 0BX "quattro sport": Removing

Fig 1: Exhaust System Clamping Sleeves

Courtesy of AUDI

• Rear final drive installed.

-- Disconnect the exhaust system at the clamping sleeves -1- and -2-.

-- Remove the rear section of the exhaust system. Refer to OVERVIEW - MUFFLER - 3.0L , OVERVIEW - MUFFLER - Servicing 3.0L .

Tip:

• A second technician is needed to help remove the rear section of the exhaust system.

-- Open the gear oil drain plug -arrow- and allow approximately 300 ml of gear oil to drain out.

Fig 2: Gear Oil Drain Plug

Courtesy of AUDI

-- Insert the new drain plug -arrow- and tighten. Tightening Specification. Refer to  OVERVIEW - FINAL DRIVE, DISASSEMBLING AND ASSEMBLING, 0D3 AND 0BX "quattro sport".

-- Remove the driveshaft from the rear final drive. Refer to DRIVE SHAFT, REMOVING FROM REAR FINAL DRIVE AND INSTALLING .

Fig 3: Identifying Mark Position Of Driveshaft Flange To Rear Final Drive

Courtesy of AUDI

-- Guide the driveshaft between the fuel tank and the subframe downward toward the rear and attach it on the side.

-- Remove the High Temperature Grease in the flange/driveshaft.

Fig 4: Identifying Circlip, Removal/Installation

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-- Remove the circlip -arrow-.

-- Mark the position of the flange/driveshaft -B- on the pinion -A- -arrow-.

Fig 5: Locating Mark Position Of Flange/Driveshaft To Pinion

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• This marking -arrow- is needed so the colored dot -C- on the outer flange remains in its original position.
• This ensures the imbalance in the rear final drive will be as small as possible.

-- Remove the flange/driveshaft.

Fig 6: Two-Arm Puller Kukko 20-10

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A -  For example the Puller - Kukko 2-Arm - 70-180mm:Kukko 20/10 

-- Knock through the metal ledge of the shaft seal -A-, for example, with a scriber -B- in the -direction of the arrow-.

Fig 7: Puncturing Metal Cover Using Scriber

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-- Then install a bolt -arrow- in this shaft seal opening -A-.

Fig 8: Identifying Screw On Metal Cover

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-- Remove the flange/driveshaft seal -A- in the -direction of the arrow-.

Fig 9: Identifying Flange/ Driveshaft Seal, Removal

Courtesy of AUDI

B -  Bolt