Pressing on inner race for small taper roller bearing
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.
Fig 1: Pressing On Small Tapered Bearing Inner Race
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Heat inner race to approx. 100 C, position and install.