🏷️ Basic Information Identification Make: Audi Model: A6 C5 S6 RS6 & Allroad Quattro Model Year: 2004 Generation Generation Code: C5 (Second Generation) Codes Chassis Code: Typ 4B 👋 Introduction Market Position Target Audience: Audi A6 C5 owners, DIY mechanics, independent repair shops Competitive Analysis Differentiation: Comprehensive coverage of all variants (S6, RS6, Allroad), simple PDF format, instant download, no extra software required, extensive page count. Key Features Features: Instant download, PDF format, comprehensive system coverage, dealer-level detail, all variants included, user-friendly bookmarking. 📋 Manual Details Coverage Areas Vehicle Variants: All variations including S6, RS6, Allroad Quattro, Avant Engine Variants: All engine types including Petrol, Diesel, and Hybrid (Note: Hybrid coverage for this generation is likely referring to advanced TDI or early concepts, not modern hybrid powertrains) Page Count Total Pages: Approximately 10,000 Manual Type Type: Workshop Service and Repair Manual Language Language: English (Implied by product description style) Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine System, Fuel Charging and Controls, Accessory Drive, Engine Ignition, Engine Emission Control, Intake Air Distribution, Emissions, Electronic Engine Controls, Manual Transmission, Clutch Controls, Exhaust System, Fuel System, Acceleration Control, Speed Control Chassis: Suspension, Wheels and Tyres, Driveline System, Driveshaft, Bearings, Brake System, Anti-Lock Control, Steering System Electrical: Wiring Manual, Battery and Charging System, Information and Entertainment Systems, Lighting, Electrical Distribution, Electronic Feature Group Body: Body System, Body Panels, Interior Trim, Mirrors, Seating, Glass, Frames and Mechanisms, Instrument Panel and Console, Wipers and Washers, Roof, Bumpers, Safety Belt System, Body Repairs, Metal Repairs, Subframe and Mounting System Comfort: Climate Control System, Air Distribution, Control Components Instrumentation: Instrument and Warning Systems Procedures Included Maintenance: Full maintenance manual, service information, routine maintenance tasks Repair: Full workshop manual, repair procedures for all systems Diagnostics: Troubleshooting guides, diagnostic procedures (implied by dealer-level style) Technical Data: Specifications, fluid types, capacities, torque values (implied) Wiring: Full wiring manual, electrical schematics Identification: Identification codes for vehicle and components Jacking Lifting: Jacking and Lifting procedures Technical Depth Depth: Dealer-level factory manual standard, covering all elements of service and repair. 📊 Manual Specifications File Format Format: PDF Searchability: Searchable text (implied by PDF format and bookmarks) Compatibility: PC, Mac, Smartphone, Tablet Print Quality Quality: High (implied by dealer-level factory manual style) Binding Type Binding: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Navigation Bookmarking: Fully bookmarked for ease of use ⚙️ Engine Specifications Primary Engine Engine Family: Audi EA824/EA825 (V8 for S6/RS6), EA113/EA827/EA830/EA831/EA836 (various I4 and V6 petrol), EA827/EA830 (various TDI diesel). Specific engines vary by model and market. Performance Typical Power Output: Varies greatly. Standard A6 models (2.4L V6) around 165-177 hp. S6 (4.2L V8) around 340 hp. RS6 (4.2L Bi-Turbo V8) around 450 hp. Diesel engines (e.g., 2.5 TDI, 2.7 TDI) range from 150-180 hp. Typical Torque Output: Varies greatly. S6 (4.2L V8) around 410 Nm. RS6 (4.2L Bi-Turbo V8) around 560 Nm. Diesel engines typically 370-400 Nm. Fuel System Injection Type: Multi-point fuel injection (MPI) or Gasoline Direct Injection (GDI) for petrol engines, Common Rail Direct Injection (CDI) for TDI diesel engines. Emission Control Systems: Catalytic converters, secondary air injection, EGR (Exhaust Gas Recirculation), evaporative emission control (EVAP), secondary oxygen sensors (post-catalyst). 🔧 Transmission Standard Transmission Type: 5-speed manual, 6-speed manual (RS6), 5-speed Tiptronic automatic, 6-speed Tiptronic automatic (RS6). Optional Transmission Type: Continuously Variable Transmission (CVT) - Multitronic (on some front-wheel drive models). Features Drivetrain: Quattro permanent all-wheel drive system (standard on S6, RS6, Allroad, and many A6 variants). Fluid Specifications Automatic Transmission Fluid: Typically G 052 162 A1/A2/A6 or equivalent Pentosin ATF 1/3 (Check specific model for exact type). Manual Transmission Fluid: Typically G 052 171 A1/A2 or G 052 512 A2 (Check specific model for exact type). 📐 Dimensions Exterior Length: A6 Sedan: Approx. 4800-4880 mm, A6 Avant: Approx. 4790-4880 mm, Allroad: Approx. 4850 mm. Width: A6/S6/RS6: Approx. 1810-1820 mm, Allroad: Approx. 1870 mm. Height: A6/S6/RS6: Approx. 1440-1450 mm, Allroad: Approx. 1460-1490 mm (adjustable). Weights Curb Weight: Varies significantly by engine and body style, typically 1600 kg to 1900 kg. Gross Vehicle Weight Rating: Typically around 2200-2400 kg. 🛡️ Safety Features Ratings Euro Ncap Rating: Likely 4 or 5 stars for front and side impact (for early C5 models, specific ratings for 2004 might vary). Active Features Braking Systems: ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution), Brake Assist (BAS). Traction Control: ASR (Anti-Slip Regulation) / Traction Control System (TCS). Stability Control: ESP (Electronic Stability Program) was available on many models. Passive Features Airbags: Front airbags, side airbags, optional curtain airbags. Seatbelts: Pretensioning seatbelts with force limiters. Child Anchors: ISOFIX child seat mounting points. 💡 Technology Features Infotainment Audio System: Optional Audi Symphony or Concert radio systems, often with CD player, cassette player (early models), and available navigation systems (MMI was not common on the C5 platform). Display Technology: Central display for infotainment, climate,...