This comprehensive Service and Repair Manual provides detailed instructions and technical specifications for the Audi A6, S6, and RS6 (1998) models, encompassing all variants (4B, 4B2, 4B4, 4B5, 4B6, and 4BH). This manual offers a wealth of information, covering a wide range of topics essential for maintaining and repairing your vehicle. The manual delves into general information about the car, including its specifications, accessories, and equipment. It also provides in-depth coverage of critical systems, such as the audio, visual, and telematics components, as well as the braking system, driveline axle, and electrical system. Furthermore, you'll find detailed instructions and illustrations for working on the lights, restraints, steering, suspension, body, and frame (including both the interior and exterior). The manual also provides extensive information on the mechanical engine, transmission, tire and wheels, HVAC system, and wiring diagrams. These sections offer comprehensive guidance on diagnosing and resolving issues with these vital components. With its vast scope and detailed explanations, this service and repair manual is an invaluable resource for mechanics, DIY enthusiasts, and anyone seeking a thorough understanding of the Audi A6, S6, and RS6 (1998) models.

The Audi A6, launched in 1997 as a replacement for the Audi 100, marked a significant shift in Audi’s design philosophy. The 4B generation, produced from 1997 to 2004, saw the introduction of a more rounded and aerodynamic design, departing from the angularity of its predecessor. This iteration of the A6 was offered in a variety of body styles, including a sedan, Avant wagon, and even a short-lived coupe. Beyond its sleek aesthetics, the A6 4B boasted advanced technology for its time, like a multi-link suspension, quattro all-wheel drive, and available V8 engines. It was during this generation that the performance-focused S6 and RS6 variants were introduced, bolstering Audi's reputation for high-performance sedans. The S6, launched in 1999, was powered by a 4.2-liter V8 engine producing a respectable 340 horsepower. It featured a more aggressive exterior design with sportier bumpers, side skirts, and larger wheels. The RS6, introduced in 2002, took things a step further with a twin-turbocharged 4.2-liter V8 generating a phenomenal 450 horsepower. This made it one of the fastest sedans of its time, boasting a top speed electronically limited to 155 mph. The RS6 also featured a host of performance upgrades, including a sport-tuned suspension, larger brakes, and a distinctive body kit. These models solidified the Audi A6's reputation as a luxurious, refined, and capable car, capturing the hearts of driving enthusiasts with their powerful engines and refined handling.