The Audi A6 S6 RS6 C5 1998-2004 Service Repair Workshop Manual is an indispensable resource for anyone looking to maintain, service, diagnose, and repair their vehicle. This comprehensive manual provides detailed, step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications to guide you through a wide range of repair procedures. From basic maintenance tasks to complex engine repairs, this manual covers all major systems of your Audi A6 S6 RS6 C5. It includes sections on general information, engine mechanical and electrical systems, emission control, fuel system, clutch, manual and automatic transaxles, driveshaft and axle, suspension, steering, restraint systems, brakes, body (interior and exterior), body electrical system, and heating, ventilation, and air conditioning. This manual is written by the manufacturers and contains the same information and procedures used by authorized dealer service departments. It empowers both novice and experienced mechanics with the knowledge and guidance needed to tackle any repair confidently. The clear and concise language, combined with extensive illustrations, make it easy to understand even for those with limited mechanical experience.

The Audi A6 C5, produced from 1997 to 2004, was the second generation of the Audi A6 model, a mid-size luxury sedan. It was also available as a station wagon, aptly named the Avant. The C5 A6 was a major departure from its predecessor, the C4, boasting a completely redesigned platform and a more modern and refined design. Its underpinnings were shared with the Volkswagen Passat B5 and the Audi A4 B5, employing a front-engine, front-wheel-drive or quattro all-wheel-drive layout. The A6 C5 was available with a range of gasoline and diesel engines, offering varying levels of power and performance. Beyond the standard A6, the range encompassed performance-oriented variants like the S6 and RS6. The S6, powered by a 4.2L V8 engine, delivered a significant power bump over the standard model. On the other hand, the RS6, introduced in 2002, became a true performance icon. It was equipped with a 4.2L bi-turbo V8 engine, producing a staggering 450 horsepower. This high-performance engine was coupled with a six-speed manual transmission and quattro all-wheel drive, resulting in blistering acceleration and handling capabilities. The RS6 represented the pinnacle of performance for the C5 generation, combining luxury and practicality with raw power and thrilling performance. This combination made the RS6 a highly sought-after model, particularly among enthusiasts who appreciated its blend of comfort, practicality, and exhilarating driving experience.