WARNING: This page is about a different car, the 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.
Fig 1: Driving In Oiling Sleeve Into Input Shaft
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Item
Oiling sleeve diameter
Driving-in tool
A
14 mm
VW 222 A
B
16 mm
30-24
Installation position:
Flared edge of oiling sleeve faces driving-in tool