Cardan shaft of the 0BC final drive inserted from the gearbox side (Audi A4 B8)

In case of complaints (noise, vibration) before replacing the driveshaft, you must check the following: check for tension in the intermediate support; unscrew the propeller shaft bolts to the rear. main transmission. Tighten the propeller shaft bolts, observing the bolt tightening sequence.

1. KP.
2. Hose clamp: replace.
3. Cardan shaft.
4. Sealing plate.
5. Bolt: self-locking; always subject to replacement; threaded holes in the flange shaft at the rear. the main transmission should be cleaned of any remaining fixing agent; cleaning can be done with a tap.
6. Gasket: replace damaged (bent) sealing ring; a seal with worn rubber coating must be replaced; degrease the shaft with the flange and fit the gasket; the different colors of the sides do not matter during installation.
7. Rear final drive.
8. Intermediate support.
9. Bolt: 20 Nm.

Rear driveshaft. main transmission - moment and sequence, tightening

Always replace the propeller shaft bolts "1". Hold them against turning with the "T10172" counterhold and "T10172/5" adapters. Tighten bolts "1" in 3 stages as follows.

Check the oil in the rear. main transmission

Unscrew the threaded plug of hole "1" to check the oil. The oil level is normal if the rear final drive is filled with oil up to the lower edge of the oil filler hole.