This manual covers the A4, generation B5, produced from 1997 to 2000. The A4 B5 is recognized for its sophisticated engineering, premium interior, and engaging driving dynamics, often featuring advanced technologies for its era, including the renowned Quattro all-wheel-drive system. This model line consistently earned accolades, such as inclusion on '10Best' lists, underscoring its appeal as a well-built and competent luxury compact sedan. Its design and technological advancements marked a significant evolution for the brand in the competitive automotive market. This comprehensive workshop service repair manual provides complete factory service and repair information for the A4 B5. It details engine overhaul and rebuilding, transmission servicing, brake and suspension procedures, and electrical system diagnostics, including wiring diagrams. The manual includes factory maintenance schedules, torque specifications, and troubleshooting guides with computer diagnostic trouble tree charts. Its scope ranges from basic do-it-yourself tasks to advanced mechanic-level repairs, ensuring owners and technicians have the necessary information to maintain and repair the vehicle effectively.