- is needed for changing of the tooth belt on Audi and VW with the following engines: V8 3.3L to 4.2L 5-valve engines in Audi A6, A8 with e. g. engine codes AKB, AUX, AYS, AQJ, ARS, ART, AWN, BBD, BCY, BFM 1998 - 2003 and VW Touareg and Phaeton - avoids distortion of the camshaft during tooth belt assembly - allows easy and precise assembly of the tooth belt - to be used as OEM T40005 Camshaft Locking Tool for Audi, VW
