Differential, removing and installing: Notes
WARNING: This page is about a different car, the 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Special tools and workshop equipment required
- VW 771 Multi-purpose tool
- 3257 Socket attachment SW 27
- V.A.G 1331 Torque wrench
- 1 - Kukko 21/3 Internal puller
NOTE:
- Removal and installation is possible with transmission installed.
- The differential can be removed and installed without removing selector mechanism, input shaft, drive pinion and transmission cover. Removal of the components above is necessary to adjust the differential.
- Inspect polygon bearings for visible damage.
- The polygon bearings can only be replaced together with flange shaft.
- Rough running of the polygon bearings with flange shaft removed, does not indicate that bearings are defective. An acoustic test can only be performed installed.
- A spacer ring is installed between the polygon bearing and the large differential bevel gear on flange shafts with 30 mm spline diameter. See Assembling flange shaft , -item 5-.
- Adjustments are required when replacing components marked 1).
1 - Transmission housing 1)
2 - Sealing ring
- Replacing. Refer to Flange shaft oil seal, replacing
3 - Circlip
- Replace
- Removing and installing. See Removing and installing circlip
4 - Spacer ring
- Is only inserted on flange shafts with spline diameter of 30 mm.
- Removing. See Removing spacer ring
- Installing. See Installing spacer ring
5 - Flange shaft
- Assembling flange shaft, Assembling flange shaft
6 - Differential with ring gear 1)
- Can be removed without removing gear cluster
- Disassembling and assembling. Refer to Differential, disassembling and assembling
7 - Cover for final drive 1)
- Apply thin coat of sealing paste AMV 188 001 02 to sealing surfaces
8 - Torx bolt - 25 Nm
9 - Speedometer drive wheel
- Removing and installing. Refer to Speedometer drive wheel, removing and installing
- Carefully install the drive wheel onto the differential, make sure that it is kept straight. The drive wheel can break using excessive force.