FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Home >> Audi >> 2012 >> S5 Quattro Cabriolet (8F7) V6-3.0L SC (CCBA) >> Repair and Diagnosis >> Transmission and Drivetrain >> Differential Assembly >> Seals and Gaskets >> Service and Repair >> Shaft Seal For the Flange/Driveshaft

Shaft Seal For the Flange/Driveshaft






Shaft Seal for the Flange/Driveshaft

Special tools, testers and auxiliary items required

• Puller (VW 391)

• Adapter (VW 771/40) from the Slide Hammer - Complete Set (VW 771)

• Retainer (3028)

• Puller (T10055)

• Adapter (T10055/2)

• Thrust Piece (T40109)

• Guide Sleeve (T40222/1)

• Sealing grease (G 052 128 A1)

• 2 bolts M 8 x 30

• One M 8 x 45 bolt

Removing






• Rear final drive installed

• General repair instructions, refer to => [ Repair Information ] Rear Final Drive 0BC (0B4A,0B2A,0B6A,0B5A,0BKA,0BCH,0BWA Transmission).

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

- Remove the rear section of the exhaust system.

• 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.






- 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 ] Driveshaft, Removing From Rear Final Drive.






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






- Remove the front crossmember - 2 -.

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

Audi A6 and A7






- Remove the crossbrace - 2 -.

Continuation for All Vehicles - Except Audi A8

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






- 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






- Remove the high temperature grease in the flange/driveshaft.

- Remove the circlip - arrow -.

Replace the circlip with a new one of the same thickness if it is stretched or damaged. Allocation, refer to the Parts Catalog.

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






• 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.






- Remove the flange/driveshaft using the (VW 391).

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






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






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






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






- B - sheet metal screw

Installing






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

- Fill the space between the sealing and dust lip half way with sealing grease (G 052 128 A1).

- Mount the new shaft seal - A - on the (T40222/1).

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

- Coat outer edge of the seal with axle oil.

- Push the (T40222/1) and the shaft seal - A - onto the pinion - B -.

- Install the shaft seal - A - all the way in.

- Remove the (T40222/1).

- Drive in new shaft seal as far as stop without tilting it.






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






- Install the (VW 771/40) in the drive pinion threaded hole.






- Secure the (3028) on the flange/driveshaft using the bolts (M8 x 30) - arrows A -

- Secure the (VW 391) with an M8 x 45 bolt - arrow B -. Rotate the spindle on the puller into the (VW 771/40).

- Counter hold the spindle on the puller using a socket wrench and pull the flange/driveshaft all the way in.

Install the circlip - 1 - as follows:






• The bevel on the inside of the circlip - arrow A - faces out, toward the driveshaft.

• If present, the wide strap on the circlip - arrow B - must be on the right side, as illustrated.

Note the following when replacing the flange/driveshaft:

• The locking ring - 1 - must be determined again.

• For this, determine and insert the thickest locking ring - 1 - that can still be installed in the groove; for part number, refer to the Parts Catalog.

- Attach the driveshaft to the rear final drive, refer to => [ Installing ] Driveshaft, Removing From Rear Final Drive.






Audi A4, A5 Coupe/Sportback/Cabrio, Q5, A6, A7

- Attach the driveshaft center bearing to the body free of tension. Tightening specification see - item 9 - => [ (Item 9) Bolt ] Driveshaft, Mounted On Transmission Side Overview.

- Install the heat shield and the crossmember.

All Vehicles

- Fill the rear final drive gear oil. Refer to => [ Rear Final Drive Gear Oil, Checking ] Testing and Inspection.

- Install the rear section of the exhaust system.

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