WARNING: This page is about a different car, the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Pulling Off Camshaft Gear Using Puller T40001, Claw T40001/6 And Claw T40001/7
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Remove camshaft sprocket using puller T40001 and Claw T40001/6 and Claw T40001/7.