Overview - Center Differential Housing, Attached 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
- 20 Nm +90°
- Replacing
- Bolt
- Replacing
- Aluminum bolts
- Quantity 11
- Tightening specification and sequence. See Fig 2.
- Housing
- For the center differential
- Refer to CENTER DIFFERENTIAL HOUSING, REMOVING AND INSTALLING .
- Gear Carrier
- Installed position: The tab must fit into the opening in the transmission intermediate housing
- Center Differential
- Pressure Spring
- Assembly Sleeve
- Does not have to be installed again
- Locking Ring
- For the transmission output shaft ball bearing with splines
- Removing and installing. Refer to TRANSMISSION OUTPUT SHAFT WITH SPLINES, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
- Locking Ring
- For the transmission output shaft with splines
- Removing and installing. Refer to TRANSMISSION OUTPUT SHAFT WITH SPLINES, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
- Ball Bearing
- For the transmission output shaft with splines
- Refer to TRANSMISSION OUTPUT SHAFT WITH SPLINES, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
- Bolt
- Replacing
- Steel bolts
- Quantity: 2
- Tightening specification and sequence. See Fig 2.
- Balance Weight
- Installed depending on the version
- Shaft Seal
- Replace on vehicles with vibration damper. Refer to TRANSMISSION OUTPUT SHAFT WITH SPLINES, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
- Replace on vehicles without vibration damper. Refer to TRANSMISSION OUTPUT SHAFT SEAL, REPLACING, TRANSMISSION OUTPUT SHAFT WITH SPLINES WITHOUT VIBRATION DAMPER .
- Dust Ring
- Replace after removing
- Transmission Output Shaft with Splines without Vibration Damper
- Allocate correct componets.
- Removing and installing. Refer to TRANSMISSION OUTPUT SHAFT WITH SPLINES, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
- Transmission Output Shaft with Splines and Vibration Damper
- Allocate correct componets.
- Removing and installing. Refer to TRANSMISSION OUTPUT SHAFT WITH SPLINES, SEAL AND BALL BEARING, REMOVING AND INSTALLING .
-- 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 |