Installed position of camshaft sprocket

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Camshaft Gear Thin Rib Toward Outside And TDC Marking Visible

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Narrow chamfer of camshaft sprocket must face outward - arrows - and marking for TDC No. 1 cylinder must be visible from front.