.Models:AUDI:a4,a6,a8,a11 YOAD(97-04) VW:Passat:(98-04) .Engines Codes:Afb,Ake,Akn,Aym,Abu, ... of twelve tools is required for petrol and diesel engine service including timing belt replacement on recent models and also older 1 ... YOAD(97-04) VW:passat:(98-04) Engines codes:afb,ake,akn,aym,abu,bcz,bdg,bdh,bfc. Engine Timing Tool for VW & Audi