Specialized Crankshaft Tool: Essential for precise installation and removal of the crankshaft seal on VW and Audi 4-cylinder diesel engines, ensuring correct alignment of the main seal housing and crankshaft sensor. Engine Compatibility: Specifically designed for 2004 models including: VW Models: Golf, Passat, and Touran (since 2003) Audi Models: A3, 4-cylinder diesel (4-valve) engines, since 2004 Supports Multiple Engine Types: Ideal for 1.9/2.0 SDI, 2.0 TDI, and 2.0 common rail diesel engines, as well as 1.4i Turbo, and 1.4/1.6 direct injection gasoline engines. High Precision with Integrated Sender Wheel: Ensures secure fitment of sealing flanges with integrated sender wheels, maintaining optimal sensor alignment for accurate engine performance. Durable and Reliable: Perfect for professional mechanics working on VW and Audi models with specific 4-cylinder engines, providing consistent results and easy operation.