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

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 Audi S7, 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, and 2014 Audi RS 7. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Be sure to note the following:

-- Fill the space between the sealing and dust lips halfway with sealing grease G 052 128 A1.

-- Place the new seal -A- on the T40222/1.

Fig 1: Identifying New Seal -A- On T40222/1

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Make sure the spring on the seal is behind the sealing lip when it is installed.

-- Coat the outer circumference of the shaft seal with gear oil.

-- Install the T40222/1 and the shaft seal -A- on the pinion -B-.

-- Install the new shaft seal all the way without tilting it.

Fig 2: T40222/1

Courtesy of AUDI OF AMERICA, LLC

-- Heat the flange/driveshaft -B- to 115 °C (239 °F) using the VAS 6414 or a hotplate.

Fig 3: Locating Mark Position Of Flange/Driveshaft To Pinion

Courtesy of AUDI OF AMERICA, LLC

WARNING:

Wear protective gloves.
Monitor the temperature with a VAS 6519 if using a hotplate.

-- Position the flange/driveshaft -B- on the pinion -A- so that the marking -arrow- lines up.

-- Install the flange/driveshaft all the way using the T10380.

Fig 4: Identifying T10380

Courtesy of AUDI OF AMERICA, LLC

Install the locking ring -1- as follows:

Fig 5: Identifying Locking Ring, Installation

Courtesy of AUDI OF AMERICA, LLC

Always replace the locking ring -1-.
The bevel on the inner diameter of the locking ring -arrow A- faces out, toward the driveshaft.
The wide strip on the locking ring -arrow B- must be on the right side, as illustrated. Refer to Fig 5.

-- Measure the thickness of the old locking ring -1-.

-- Install a new locking ring -1- having the same thickness as the old one.

-- Install the new locking ring -1-.

NOTE:

It is necessary to determine the circlip -arrow- when replacing the flange/driveshaft.

First determine and then install the thickest possible circlip that can be installed into the groove -arrow- that can be used; for the correct part number.

-- Gear oil in rear final drive 0BF, Filling, refer to GEAR OIL IN REAR FINAL DRIVE 0BF, FILLING .

-- Driveshaft, attaching to rear final drive DRIVESHAFT, REMOVING FROM REAR FINAL DRIVE AND INSTALLING => Attach the driveshaft to the rear final drive.

Audi A4, A5 Coupe/Convertible, A6, A7

-- Tighten the driveshaft center bearing in the body free of tension. Tightening specification -item 9- DRIVESHAFT MOUNTED ON TRANSMISSION-SIDE OVERVIEW => List Item:Bolt.

-- Install the heat shield and the crossmember. Refer to Heat Shield for Left Upper Tunnel, Removing and Installing .

Continuation for All Vehicles

-- Install rear section of exhaust system. Refer to [For engine(s) CEUC,CRDB] Exhaust System, Emission Controls .