This comprehensive Audi A6 S6 RS6 C5 (1998-2004) Factory Service Repair Manual is your ultimate guide to maintaining and repairing your vehicle. Created by Audi engineers, it provides detailed instructions and illustrations, allowing you to perform repairs and services with confidence. The manual covers a vast range of topics, ensuring you have access to the information you need for any task. It includes sections on general maintenance, troubleshooting, engine service and repair, transmission service and repair, brake system, wiring diagrams, electrical system, suspension, periodic lubrication, steering, cooling system, fuel injection and fuel system, emission system, heater and air conditioning, engine control system, chassis and body, restraint system, interior, differential and drive, and axle. With this manual, you'll gain access to the same information used by professional technicians, saving you time and money on repairs. You can print out the entire manual or select individual pages for easy reference. Each section is well-organized with clear instructions, detailed illustrations, and helpful notes, cautions, and warnings, guiding you through each repair procedure step-by-step. This manual also features an advanced troubleshooting guide to help you diagnose and correct any problem. Detailed wiring diagrams are included to simplify electrical system repairs. The information provided in this manual can help you maintain your vehicle, perform repairs, and keep your Audi running smoothly for years to come.

The Audi A6, S6, and RS6 C5 models, produced between 1998 and 2004, represent a significant era in Audi's history. They were the first generation of the A6 to feature the iconic "C" platform, paving the way for the luxury sedan's modern design language. The A6 was offered with a diverse range of engines, from the modest 1.8-liter four-cylinder to the powerful 4.2-liter V8. The S6, a performance-oriented variant, featured a 4.2-liter V8 engine producing over 340 horsepower, while the RS6, the top-of-the-line model, boasted an even more powerful 4.2-liter twin-turbocharged V8 producing 450 horsepower. All three models were known for their sleek design, spacious interior, and advanced technology features, including quattro all-wheel drive, an advanced suspension system, and a modern infotainment system. Despite their age, the A6, S6, and RS6 C5 models remain popular choices among enthusiasts. Their robust engines, enduring construction, and impressive handling make them desirable vehicles even today. The Factory Service Repair Manual, a comprehensive document designed for technicians and mechanics, provides detailed information on every aspect of the car, from engine and transmission repair to bodywork and electrical systems. This manual is an invaluable resource for anyone looking to maintain or repair these iconic Audi models, offering detailed instructions, diagrams, and troubleshooting guides. With the help of this manual, owners and enthusiasts can keep their C5 A6, S6, and RS6 in top condition, ensuring their continued enjoyment of these classic German performance sedans.