🏷️ Basic Information Identification Make: Audi Model: A6 Year: 1999 Platform: C5 Generation Generation: Second Generation (C5) Codes Chassis Code: 4B 👋 Introduction Market Position Target Audience: Audi A6 C5 (1999) owners with basic mechanical skills, independent auto service professionals, and even owners who wish to be better informed for discussions with technicians. Competitive Analysis Uniqueness: Vehicle-specific, not generic; mirrors the exact information used by authorized dealership technicians. Key Features Content Richness: Contains step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications for repair and troubleshooting. Value Proposition Cost Savings: Enables DIY repairs for common tasks like oil changes, spark plug replacements, and air filter changes, offering significant cost savings. 📋 Manual Details Coverage Areas Major Topics: General Information, Engine Mechanical, Engine Electrical, Emission Control, Fuel System, Clutch System, Manual Transaxle, Automatic Transaxle, Driveshaft and Axle, Suspension, Steering, Restraint Systems, Brake System, Body (Interior and Exterior), Body Electrical System, HVAC Page Count Estimated Page Count: Extensive (specific count not provided, but described as 'complete' and 'full') Manual Type Type: Service Repair Workshop Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine Mechanical, Engine Electrical, Fuel System, Emission Control, Clutch System, Manual Transaxle System, Automatic Transaxle System, Driveshaft and Axle Chassis: Suspension System, Steering System, Brake System Body And Electrical: Body (Interior and Exterior), Body Electrical System, Heating, Ventilation, Air Conditioning (HVAC), Restraint Systems Procedures Included Repair And Diagnostics: Step-by-step repair instructions, troubleshooting guides, diagnostic procedures Maintenance: Regular maintenance tasks, fluid changes, filter replacements Technical Depth Depth: Comprehensive, including detailed diagrams, illustrations, wiring schematics, and specifications, suitable for professional mechanics and informed owners. 📊 Manual Specifications File Format Compatibility: All Versions of Windows and Mac Print Quality Printability: Yes, all pages are printable Binding Type Binding: Digital (PDF format), allows printing of individual pages Paper Type Paper Type Digital: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Options 1999: While not explicitly detailed for all variants, the C5 platform typically offered 2.4L V6 (AFB, AGA, ALW), 2.8L V6 (ACK, AHA, ATQ), and 4.2L V8 (ASV, BBD) engines. This manual would cover these specific variants. Performance Horsepower Torque General: Varies by engine. For example, the 2.8L V6 typically produced around 190-204 hp. Specific figures for all engine options are detailed within the manual. Fuel System Injection Type: Multi-point Fuel Injection (MPI) or direct injection depending on engine variant. 🔧 Transmission Standard Standard Transmission Type: Manual Transaxle (e.g., 5-speed, 6-speed) Optional Optional Transmission Type: Tiptronic Automatic Transaxle (e.g., 5-speed Tiptronic) Features Drivetrain: Front-wheel drive (FWD) and quattro all-wheel drive (AWD) options available, with specific repair procedures for both. 📐 Dimensions Exterior Body Styles: Sedan (4-door), Avant (Wagon/Estate) Interior Cabin Features: Information on interior trim, dashboard layout, seating adjustments, and climate control systems covered. Cargo Cargo Capacity: Details on luggage compartment capacity for sedan and cargo space for Avant models. Weights Curb Weight: Curb weight varies by engine and drivetrain, typically ranging from approximately 3400 lbs to 3900 lbs. Specific figures are within the manual. 🛡️ Safety Features Ratings Crash Test Performance: General safety features covered. Specific crash test ratings from NHTSA or IIHS for the 1999 model year are not typically in service manuals but are a consideration for the vehicle. Active Features Braking Systems: ABS (Anti-lock Braking System), EBD (Electronic Brake-force Distribution) operation and diagnostics. Passive Features Restraint Systems: Airbag system (front, side), seatbelt pre-tensioners, and related electrical components. 💡 Technology Features Infotainment Audi Chorus Concert Symphony: Information on the factory radio systems (Chorus, Concert, Symphony) and speaker configurations, including troubleshooting for audio systems. Driver Assistance Parking Sensors Cruise Control: Details on the operation and diagnostics of optional features like parking sensors (Parktronic) and cruise control. Connectivity Onboard Diagnostics: Coverage of the OBD-II system and diagnostic trouble codes (DTCs) for engine and other control modules. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500 to 10,000 miles or 12 months, depending on driving conditions and oil type. The manual provides specific recommendations. Fluid Specifications Engine Oil: Engine oil specifications vary by engine type and viscosity grade (e.g., SAE 5W-40, 5W-30). The manual will specify approved grades and certifications (e.g., VW 502 00). Coolant: G12 or G12+ coolant (ethylene glycol based) with specific inhibitor packages. Manual provides capacity and mixture ratios. Brake Fluid: DOT 4 brake fluid. Manual provides replacement intervals and bleeding procedures. Transmission Fluid: Specific ATF for automatic transmissions (e.g., G 052 162 A2 for Tiptronic) and gear oil for manual transmissions. Manual specifies type and capacity. Known Issues Common Wear Items: Common issues for the C5 platform can include ignition coil failure, mass airflow sensor issues, coolant flange leaks, and suspension component wear (e.g., control arms). The manual aids in diagnosing and repairing these. Filter Part Numbers Oil Filter: Specific part numbers for oil filters are provided, e.g., Mann-Filter W712/30, Mahle OC 261/2....