Center Differential Housing Overview
WARNING: This page is about a different car, the 2010 Audi A4 and 2009 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
There is a risk of damaging the transmission.
- Do not start or tow the vehicle when the center differential is removed or when the gear oil has been drained.
- O-ring
- Replace
- Coat with transmission fluid
- Center Differential
- Ball Bearing
- For the center differential
- Refer to CENTER DIFFERENTIAL BALL BEARING
- Locking Ring
- For the flange shaft ball bearing
- Locking Ring
- For the flange shaft
- Ball Bearing
- For the rear flange shaft
- REAR FLANGE SHAFT BALL BEARING
- Drain Plug
- Replace
- 35 Nm
- For the oil filler hole in the center differential housing
- Center Differential Housing
- Seal for the Rear Flange Shaft
- Refer to REAR FLANGE SHAFT SEAL
- Rear Flange Shaft
- Removing and installing, refer to REAR FLANGE SHAFT SEAL
- When replacing the rear flange shaft, also replace the seal
- Bolt
- Tightening specification and sequence, refer to Fig 2
- Removing and installing
Center Differential Housing - Tightening Specification and Sequence
-- Tighten the center differential housing bolts in three steps as follows:
-- Pre-tighten the bolts -1- and -2- to 3 Nm.
-- Tighten the bolts to 8 Nm in the following sequence: -1 to 6-.
-- Tighten the bolt in the following sequence: -1 through 6- plus 90° additional turn.