Overview - Center Differential Housing, Bolted Driveshaft
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2016 Audi S4, 2015 Audi S4, 2014 Audi S4, 2013 Audi S4, and 2012 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Refer to REPAIR INFORMATION .
Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .
- Bolt
- Aluminum bolts
- Quantity 11
- Replacing
- Tightening specification and sequence. See Fig 2.
- Housing
- For the center differential
- Refer to CENTER DIFFERENTIAL HOUSING, REMOVING AND INSTALLING, BOLTED DRIVESHAFT
- Ball Bearing
- For the flange shaft
- Refer to REAR FLANGE SHAFT, SEAL AND BALL BEARING, REMOVING AND INSTALLING
- Spacer Sleeve
- Removing and installing. Refer to REAR FLANGE SHAFT, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
- Gear Carrier
- Installed position: The tab must fit into the opening in the transmission intermediate housing
- Spacer Sleeve
- Shim
- Ball Bearing
- for the center differential
- Center Differential
- Ball Bearing
- For the center differential
- Pressure Spring
- Shim
- Plate Spring
- Installed position: The side curved outward faces the shaft seal -17-
- Locking Ring
- For the flange shaft
- Removing and installing. Refer to REAR FLANGE SHAFT, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
- Bolt
- Steel bolts
- Quantity: 2
- Replacing
- Tightening specification and sequence. Refer to Fig 2
- Balance Weight
- Installed depending on the version
- Shaft Seal
- Rear Flange Shaft
- without vibration damper
- Allocate correct componets.
- Removing and installing. Refer to REAR FLANGE SHAFT, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
- Rear Flange Shaft
- With vibration damper
- Allocate correct componets.
- Removing and installing. Refer to REAR FLANGE SHAFT, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
- Bolt
- 20 Nm +90°
- Replacing
-- Tighten the bolts in eight steps as follows:
| Step | Bolts | Tightening Specification/Additional Turn |
|---|---|---|
| 1. | Aluminum bolts -1- | 8 Nm |
| 2. | Aluminum bolts -2- | Install the bolt hand-tight. |
| 3. | Aluminum bolts -1- | Loosen again and then install all the way hand-tight |
| 4. | Aluminum bolts -3- | Install the bolt hand-tight. |
| 5. | Steel bolts -4- | Install the bolt hand-tight. |
| 6. | -1, 2, 3, 4- | 10 Nm diagonally |
| 7. | Steel bolts -4- | 15 Nm |
| 8. | -1, 2, 3, 4- | 90° additional turn, diagonally |