Flange/Driveshaft Seal, Rear Final Drive 0BF: Removing

WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2017 Audi S5, 2016 Audi S5, 2015 Audi S5, 2015 Audi RS 5, and 2014 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

The rear final drive is installed
Observe general repair notes, refer to the appropriate service information.

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

Fig 1: Exhaust System Clamping Sleeves

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-- Remove rear portion of exhaust system. Refer to the appropriate service information .

NOTE:

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

-- Open the gear oil drain plug -2- and let approximately 300 ml gear oil drain out.

Fig 2: Rear Final Drive Gear Oil Plugs

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-- Install and tighten the new drain plug -2-. Tightening specification, refer to item 16

-- 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 rear subframe downward and tie it to the side.

Audi A4, A5 Audi A5 Coupe/Cabriolet

Fig 4: Identifying Crossmember

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-- Remove the front crossmember -2-, if equipped.

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

Audi A6 and Audi A7

Fig 5: Identifying Crossbrace

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

Audi A4, A5 Coupe/Convertible, Audi A6 and Audi A7

Fig 6: Identifying Mounting Bolts

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-- Remove the bolts -arrows- from the driveshaft center bearing.

-- Lower the driveshaft by the center bearing.

-- At the same time, guide the driveshaft between the fuel tank and the rear subframe downward.

-- Install the bolts -arrows- for the center bearing hand-tight.

-- Tie up the driveshaft.

Continuation for All Vehicles

Fig 7: Identifying Circlip, Removal/Installation

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-- Remove any high temperature grease inside the flange/driveshaft.

-- Remove the locking ring -arrow-.

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

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

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NOTE:

This mark -arrow- is needed so that the color dot -C- on the outside of the flange remains in its earlier position.
Only by doing this can the smallest imbalance possible inside the rear final drive be guaranteed.

-- Install two M8 x 30 mm -arrow- into the flange.

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