🏷️ Basic Information Identification Make: Audi Model: A6 Model Variants: S6, RS6 Chassis Code: C5 Production Years Covered: 1998, 1999, 2000, 2001, 2002, 2003, 2004 👋 Introduction Market Position Target Audience: Audi A6, S6, RS6 C5 owners, independent repair shops, DIY enthusiasts Competitive Analysis Value Proposition: Provides factory-level repair and maintenance knowledge, empowering owners to maintain and repair their vehicles, saving on dealership costs. Key Features Comprehensiveness: Covers all styles and all aspects of repair, from routine maintenance to complex diagnostics. Usability: Easy to use, allowing users to print specific pages or the entire manual; no advanced computer skills required. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: PDF Download Printability: Printable without restriction Page Count Estimated Page Count: Hundreds of pages (specific count not provided, but indicated as comprehensive) 📖 Manual Coverage Systems Covered Powertrain: Engine Service/Repair, Transmission Service/Repair, Fuel Injection/Fuel System, Cooling System, Emission System, Engine Control System, Differential/Drive, Axle Chassis & Drivetrain: Brake System, Suspension, Steering, Chassis/Body Electrical & HVAC: Wiring Diagram, Electrical System, Heater/Air Conditioner General & Interior: General Maintenance, Troubleshooting, Periodic Lubrication, Restraint System, Interior Procedures Included Repair Procedures: Step-by-step repair instructions, detailed substeps, numbered instructions, diagnostic and repair procedures Maintenance: General maintenance, periodic lubrication, fluid checks and changes Troubleshooting: Advanced troubleshooting guide, problem diagnosis and correction Technical Depth Diagnostic Capabilities: Comprehensive diagnostic information for all systems Repair Depth: Complete repair, maintenance, rebuild, refurbish, and restoration guidance Illustrations And Diagrams: Includes all necessary illustrations, drawings, photos, and wiring diagrams 📊 Manual Specifications File Format File Format: PDF Software Requirements: Adobe PDF Reader Print Quality Page Quality: High-quality, printable pages Binding Type Binding Type: Digital Download (printable) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Options Common: 2.8L V6 (various configurations), 4.2L V8 (standard in S6), 4.2L V8 Bi-Turbo (standard in RS6) Performance A6 Base V6 Power: Approx. 190-204 hp (depending on specific V6 variant) S6 V8 Power: Approx. 340 hp Rs6 Bi-Turbo V8 Power: Approx. 450 hp Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) 🔧 Transmission Standard A6 Standard Transmission: 5-speed Tiptronic automatic, 5-speed manual (availability varies by market and engine) Optional S6/Rs6 Transmission: 5-speed Tiptronic automatic (standard), 6-speed manual (RS6 option in some markets) Features Drivetrain: Audi quattro permanent all-wheel drive 📐 Dimensions Exterior Body Styles: Sedan (Saloon), Avant (Wagon) Weights Curb Weight Range: Approx. 3,500 - 4,100 lbs (1,600 - 1,860 kg) depending on engine and configuration 🛡️ Safety Features Ratings NHTSA Front Crash Test: Good (for models tested, specific ratings may vary) IIHS Side Crash Test: Acceptable/Good (for models tested, specific ratings may vary) Active Features ABS: Standard Anti-lock Braking System Esp: Electronic Stability Program (ESP) standard on most models Passive Features Airbags: Front airbags, side airbags, optional front and rear side curtain airbags 💡 Technology Features Infotainment Navigation System: Optional factory navigation system (typically CD-ROM based) Audio System: Bose premium sound system available on higher trims Driver Assistance Cruise Control: Standard cruise control Parking Sensors: Optional parking assist sensors (front and rear) Connectivity Onboard Computer: Driver information system (DIS) with trip computer functions 🔧 Maintenance Service Intervals Oil Change Interval: Typically 5,000 - 10,000 miles (8,000 - 16,000 km) or annually, depending on oil type and driving conditions (consult manual for specifics) Timing Belt Replacement: Crucial for V6 and V8 engines, typically around 70,000 - 105,000 miles (112,000 - 168,000 km). Refer to manual for exact interval and specific engine type. Fluid Specifications Engine Oil Type: Synthetic SAE 5W-40 or 0W-40 often recommended; check manual and oil cap for specific approvals (e.g., VW 502.00, VW 503.01) Coolant Type: G12 (Pink) or G12+ coolant (ethylene glycol based with organic corrosion inhibitors) Transmission Fluid Type: Specific ATF for Tiptronic (e.g., G 055 005) and manual gear oil; consult manual for exact specifications. Known Issues Common Wear Items: Ignition coils, mass air flow (MAF) sensor, front control arm bushings, ABS sensors, window regulators, mass air flow sensor Cv Joints: Can wear over time, particularly on quattro models 📚 Vehicle History Brand Heritage Audi Philosophy: Known for quattro all-wheel drive, luxurious interiors, and refined performance. Model Evolution C5 Generation Introduction: The C5 generation Audi A6 debuted in 1997 for the 1998 model year, replacing the C4. It represented a significant styling and technological advancement. Production Manufacturing Locations: Germany (various Audi plants) 🏆 Awards & Recognition Recognitions Car And Driver 10Best: Audi A6 models were frequently recognized in Car and Driver's 10Best lists during this era for their refinement and performance. Ward Best 10 Engines: Audi's V8 engines, particularly the 4.2L variants used in the S6 and RS6, received accolades.