Input Shaft Seal, Replacing, 0BC: Removing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2015 Audi S8, 2015 Audi A8 Quattro, 2014 Audi S8, 2014 Audi A8 Quattro, and 2013 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Exhaust System Clamping Sleeves

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Rear final drive installed
General repair instructions, refer to REPAIR INFORMATION .

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

-- Remove the rear section of the exhaust system. Refer to ENGINES CPNA - OVERVIEW - MUFFLER , ENGINES CTUB - MUFFLER OVERVIEW , ENGINES CEUA, CGTA, CTFA & CTFA - OVERVIEW - MUFFLER ENGINES CDRA - EXHAUST PIPES/MUFFLERS, SEPARATING or ENGINES CEJA & CTNA - OVERVIEW - MUFFLER .

NOTE:

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

-- Open the transmission fluid drain plug -arrow- and allow approximately 250 ml of gear oil to drain out.

Fig 2: Opening Gear Oil Drain Plug And Let Approximately 250 Ml Gear Oil Drain Out

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-- Install the drain plug -arrow- and tighten it.

Tightening specification: 30 Nm

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

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

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Audi A8

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

Audi A4, A5 Coupe/Sportback/Cabrio, Q5

Fig 4: Identifying Crossmember

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-- Remove the front crossmember -2-.

-- Remove the rear crossmember -3- and the heat shield -1-.

Audi A6 and A7

Fig 5: Identifying Crossbrace

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-- Remove the crossmember -2-. Refer to OVERVIEW - UNDERBODY PANELS .

Continuation for All Vehicles - Except Audi A8

-- Remove the bolts -arrows- for the driveshaft intermediate bearing.

Fig 6: Identifying Mounting Bolts

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-- Lower the driveshaft at the center bearing.

-- Guide the driveshaft between the fuel tank and the subframe downward and toward the rear while doing this.

-- Install the center bearing bolts -arrows- by hand.

-- Tie the driveshaft to the side.

All Vehicles

Fig 7: Identifying Circlip, Removal/Installation

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

-- Remove the circlip -arrow-.

CAUTION:

Replace the circlip with a new one of the same thickness if it is stretched or damaged. Allocation .

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

Fig 8: Locating Mark Position Of Flange/Driveshaft To Pinion

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NOTE:

This marking -arrow- is needed so the colored point -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.

-- Install the Two M8 x 30 Bolts -arrow- in the flange.

Fig 9: Pulling Off Drive Shaft Flange Using Puller VW 391

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-- Remove the flange/driveshaft using the Puller VW 391.

-- Lay a super absorbent cloth -A- under the final drive on the subframe.

Fig 10: Identifying Cloth Under Final Drive On Subframe

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

Fig 11: Puncturing Metal Cover Using Scriber

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-- Then install a sheet metal screw -arrow- in this opening -A-.

Fig 12: Identifying Screw On Metal Cover

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

Fig 13: Identifying Flange/ Driveshaft Seal, Removal

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-B- sheet metal screw