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

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Audi S7, 2018 Audi RS 7, 2018 Audi A7 Quattro, 2017 Audi S7, and 2017 Audi RS 7. However, it is still accessible from the selected car via links, so may be relevant.

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Install in reverse order of removal. Pay attention to the following:

-- Fill the space between the sealing/dust lip halfway with Sealing Grease :G 052 128 A1 .

-- Place the new shaft seal -A- on the Seal Installer - Input Shaft - Guide Sleeve :T40222/1 .

NOTE:

Make sure the shaft seal spring is in its installation position behind the sealing lip.

-- Coat outer edge of the seal with gear oil.

-- Push the Seal Installer - Input Shaft - Guide Sleeve :T40222/1 and the shaft seal -A- onto the pinion -B-.

-- Install the shaft seal all the way. Be careful not to bend it.

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-- Warm the flange/driveshaft -B- with a Inductive Heater :VAS6414 or a Heating Plate to 115 °C (239 °F).

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WARNING:

Wear safety gloves.
If using a Heating Plate the temperature must be observed using a Digital Thermometer :VAS6519 .

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

-- Install the flange/driveshaft with the Seal Installer - Hollow Shaft :T10380 .

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Install the circlip -1- as follows:

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Always replace the circlip -1-.
The bevel on the inner diameter of the circlip -arrow A- faces out, toward the drive axle.
The wide tab on the circlip -arrow B- must be on the right side, as illustrated above.

-- Measure the thickness of the old circlip -1-.

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

-- Install the new circlip -1-.

NOTE:

A new circlip -arrow- must be selected when replacing the flange/driveshaft.

For this, determine and insert the thickest circlip -arrow- that can still be installed in the groove.

-- Fill the rear final drive gear oil 0BF. Refer to GEAR OIL IN REAR FINAL DRIVE 0BF, FILLING .

-- Install the driveshaft on the rear final drive DRIVESHAFT, REMOVING AND INSTALLING FROM REAR FINAL DRIVE .

Audi A4, A5 Coupe/Sportback/Cabrio, A6, A7

-- Attach the driveshaft center support to the body free of tension. Tightening specification -item 9- OVERVIEW - DRIVESHAFT, MOUNTED ON TRANSMISSION SIDE.

-- Install the heat shield and the crossmember. Refer to MOLDING/TRIM/EXTENSIONS/TRIM PANELS .

Continuation for All Vehicles

-- Install the rear section of the exhaust system. Refer to EXHAUST PIPES/MUFFLERS CEUC, CRDB, CTGE, CWUB, CWUC EXHAUST PIPES/MUFFLERS CLAB, CLAA, CDUC, CGQB, CKVB, CKVC, CDUD, CPNB, CTCB, CTCC, CVUA, CVUB EXHAUST PIPES/MUFFLERS CREC, CRED, CREH EXHAUST PIPES/MUFFLERS CGXB, CTUA .