This tool interfaces with the cam gears and is utilized for the critical task of securing and maintaining TDC timing alignment when the cam belt is serviced or removed for other front-engine or cylinder head service tasks. Applications: Not Fits: 1.For 2001 Audi A6 2.8l;2003 Audi Allroad Quattro 2.7t (bi-turbo; 2.For 2002 VW Passat's 2.8L 30 V; Fits: For Audi A4, A6 2.4 (97+) For Audi A4, A6 2.8 (97+) For Audi S4 2.7 turbo (97+) For Audi A4, A6, A8 2.8 30v (95+) For VW Passat 2.8 30v (96+) Except for Volkswagen 2002 2.8L 30 .