.Models:AUDI:a4,a6,a8,a11 YOAD(97-04) VW:Passat:(98-04) .Engines Codes:Afb,Ake, ... twelve tools is required for petrol and diesel engine service including timing belt replacement on recent models and also ... .9d models from 1976. Models:Audi:a4,a6,a8,a11 YOAD(97-04) VW:passat:(98-04) Engines codes: ... afb,ake,akn,aym,abu,bcz,bdg,bdh,bfc. Engine Timing Tool for VW & Audi