🏷️ Basic Information Identification Make: Audi Model: S6 Chassis Code: C5 Model Years Covered: 1999, 2000, 2001, 2002, 2003 👋 Introduction Market Position Segment: Executive Sports Sedan Target Audience: Enthusiasts seeking performance and luxury, DIY mechanics, professional technicians Competitive Analysis Competitors: BMW 5 Series (E39 M5), Mercedes-Benz E-Class (W210 E55 AMG), Jaguar S-Type R Key Features Vehicle Strengths: Powerful V8 engine, standard Quattro all-wheel drive, luxurious interior, comfortable ride, sophisticated design Manual Value Proposition: Provides comprehensive, accurate, and actionable information for maintaining and repairing the Audi S6 C5, enabling owners and technicians to perform work efficiently and effectively. 📋 Manual Details Coverage Areas General Maintenance: Included Engine Overhaul: Included Transmission Service: Included Suspension And Steering: Included Brake System: Included Electrical System: Included Body And Chassis: Included Climate Control: Included Diagnostic Troubleshooting: Included Page Count Total Pages: 933 Manual Type Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (4.2L V8), Transmission (5-speed Tiptronic Automatic), Drivetrain (Quattro All-Wheel Drive) Chassis: Suspension (front: independent double wishbone, rear: independent multi-link), Steering (rack and pinion with hydraulic power assistance), Brakes (front/rear: ventilated discs, ABS, EBD) Electrical: Engine control modules (ECU), comfort electronics, lighting systems, instrument cluster, audio system, power accessories Body: Exterior body panels, interior trim, seats, doors, windows, sunroof, bumpers Procedures Included Maintenance Tasks: Oil changes, filter replacements, fluid checks/changes, spark plug replacement, belt inspections/replacements, brake pad/rotor replacement, tire rotation Repair Tasks: Engine component removal/installation (e.g., alternator, starter, cooling system), transmission service, suspension component replacement, brake caliper overhaul, electrical component diagnosis and replacement, body panel repair Diagnostics: Troubleshooting guides for common issues, diagnostic trouble codes (DTCs), component testing procedures Adjustments: Wheel alignment, parking brake adjustment, headlight aiming, door alignment Technical Depth Detail Level: Comprehensive step-by-step procedures with detailed explanations, pictorial diagrams, exploded views, and photographs. Special Tools: References to specific Audi special tools and their usage. Specifications: Tightening torques, fluid capacities, wear limits, electrical schematics, component specifications. 📊 Manual Specifications File Format Quality: High-resolution, printable pages. Searchability: Likely text-searchable within Adobe Reader. Print Quality Printability: Fully printable. Binding Type Format: Digital PDF Paper Type Format: Not Applicable (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: AGN (typically used for 4.2L V8 in this era, though specific S6 codes may vary slightly) Configuration: 4.2L naturally aspirated V8 Displacement: 4172 cc (254.6 cu in) Valve Train: 5 valves per cylinder, DOHC (Dual Overhead Camshafts) Performance Horsepower: Approximately 340 PS (335 hp) at 6600 rpm Torque: Approximately 420 Nm (310 lb-ft) at 3400 rpm Fuel System Injection: Multi-point Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) 🔧 Transmission Standard Type: 5-speed Tiptronic automatic transmission Optional Type: None typically offered for S6 C5 Features Drive System: Permanent All-Wheel Drive (Quattro) Gear Selection: Manual shift mode (Tiptronic) 📐 Dimensions Exterior Length: Approx. 4880 mm (192.1 in) Width: Approx. 1810 mm (71.3 in) Height: Approx. 1450 mm (57.1 in) Wheelbase: Approx. 2760 mm (108.7 in) Weights Curb Weight: Approx. 1800-1850 kg (3968-4079 lbs) Gross Vehicle Weight Rating: Varies by market and specification, typically around 2300-2400 kg 🛡️ Safety Features Ratings Crash Test Standard: Euro NCAP, NHTSA (may vary by region and specific test year) Active Features ABS: Anti-lock Braking System Esp: Electronic Stability Program (ESP) Ebd: Electronic Brake-force Distribution Passive Features Airbags: Front airbags for driver and passenger, side airbags, potentially rear side airbags (market dependent) Seatbelts: Three-point inertia-reel seatbelts with pre-tensioners and force limiters Construction: Advanced safety cell construction, crumple zones 💡 Technology Features Infotainment Audio System: Premium Audi Symphony or Bose sound system options, often with CD player and radio. Navigation systems were also available. Climate Control: Automatic climate control (Climatronic) with dual-zone temperature settings. Driver Assistance Cruise Control: Standard cruise control system. Parking Sensors: Rear parking sensors (Audi parking system) were an available option. Connectivity Phone Integration: Optional hands-free phone preparation with Bluetooth or integrated cellular phone systems were available. 🔧 Maintenance Service Intervals Oil Change: Refer to owner's manual, typically every 10,000-15,000 miles or 12-18 months. Manual will provide exact intervals and specifications. Timing Belt: This engine likely uses a timing chain rather than a belt, which generally does not require periodic replacement unless an issue arises. The manual will confirm. Transmission Fluid: Refer to manual. Typically for lifetime fluid or at specific intervals (e.g., 60,000-100,000 miles), depending on driving conditions. Fluid Specifications Engine Oil: Consult manual for specific viscosity grade (e.g., 0W-40 or 5W-40 synthetic) and VW/Audi approval (e.g., VW 502 00). Coolant: G12 or G12+ ethylene glycol based coolant, mixed with distilled water (50/50 ratio). Manual will specify exact type and capacity. Brake Fluid: DOT 4 specification. Manual will specify fluid type and replacement interval. Transmission Fluid: Specific Pentosin ATF specification required for the Tiptronic transmission. Manual will list exact part number. Known Issues Ignition Coils: Can be...