O-Rings, Shaft Seals, Seals

WARNING: This page is about a different car, the 2018 Audi A6 Quattro, 2017 Audi A6 Quattro, and 2016 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

O-rings, shaft seals and seals must be replaced.
After removing gaskets, examine contact surface on housing/shaft for burr resulting from removal or for other signs of damage.
Thoroughly clean housing joint surfaces before assembling.
To install, thinly coat shaft seals along outer circumference and on sealing lip with ATF.
Coat O-rings with ATF before inserting to prevent crushing rings during installation.
Always only use approved ATF) Other types of lubrication cause faults to occur in the transmission hydraulics.
The open side on the shaft seals faces the fluid to be sealed off.
Press in new shaft seal, so that the sealing lip does not run on the same point as the sealing lip of the old shaft seal (use insertion depth tolerances).
After installing, the following fluid levels must be checked and topped off if necessary: ATF in transmission. Refer to AUTOMATIC TRANSMISSION FLUID (ATF) LEVEL, CHECKING and gear oil in transmission GEAR OIL, CHECKING LEVEL . Capacities (Refer to CAPACITIES ), specifications, (Refer to the parts information).