🏷️ Basic Information Identification Make: Audi Model: A6 Year: 2002 Chassis Code: C5 (4B) Product Name: 2002 Audi A6 (C5-4B) Service and Repair Manual Codes Platform Generation: C5 (4B) Second Generation 👋 Introduction Market Position Vehicle Segment: Executive Sedan/Wagon Competitive Analysis Key Competitors: BMW 5 Series (E39), Mercedes-Benz E-Class (W210/W211), Lexus GS, Cadillac CTS. Key Features Design Philosophy: Sophisticated styling, comfortable interior, advanced technology for its era, quattro AWD availability. Manual Value Proposition: Empowers owners and independent technicians with dealer-level diagnostic and repair knowledge, reducing reliance on costly dealership services. 📋 Manual Details Coverage Areas Coverage Scope: All models and all repairs A-Z Page Count Estimated Page Count: Extensive (typically 1000+ pages for full factory manuals) Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (likely PDF, as per common industry practice for sales) 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, repair, and overhaul for all engine variants (e.g., 2.7L Bi-Turbo V6, 3.0L V6, 4.2L V8) Transmission: Service, repair, and diagnosis for automatic (e.g., Tiptronic) and manual transmissions. Drivetrain: Front-wheel drive (FWD) and quattro all-wheel drive (AWD) system service, differentials, driveshafts. Brakes: Antilock Braking System (ABS), Electronic Brake-force Distribution (EBD), disc brake system overhaul, parking brake. Suspension: Front and rear suspension components, shock absorbers, springs, control arms, alignment specifications. Steering: Power steering system, steering rack, tie rods, steering column. Electrical System: Complete wiring diagrams, component testing, charging system, starting system, lighting, body electronics. Climate Control: HVAC system diagnosis, repair, refrigerant handling, climate control modules. Body And Trim: Interior and exterior trim removal and installation, door mechanisms, glass, body panel repair and replacement. Safety Systems: Airbag system (SRS) diagnosis and service, seatbelt mechanisms. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug replacement, fluid checks and changes. Troubleshooting: Diagnostic procedures, symptom-based troubleshooting, fault code interpretation (OBD-II). Repair: Component removal, installation, adjustment, and overhaul for all major systems. Diagnostics: Detailed diagnostic flowcharts, electrical tests, pressure tests, component testing. Specifications: Torque values, clearances, fluid types, capacities, and other critical technical data. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds. Diagnostic Tools: Information on required specialized tools and diagnostic equipment (e.g., VAG-COM/VCDS compatibility). 📊 Manual Specifications File Format Digital Format: PDF (Searchable text, bookmark navigation) Print Quality Image Resolution: High-resolution images, diagrams, and schematics for clarity. Binding Type Binding: N/A (Digital format) Paper Type Paper Quality: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Variants Offered: 2.7L V6 Bi-Turbo (APDG, AJK, ARE, BES), 3.0L V6 (ASN, AVL), 4.2L V8 (AQF, AUW, BDV, BGV, BHC, BYT) 2 7T V6 Power: 250 hp @ 5800 rpm 2 7T V6 Torque: 258 lb-ft @ 1800-4500 rpm (with overboost) 3 0 V6 Power: 220 hp @ 6300 rpm 3 0 V6 Torque: 221 lb-ft @ 3200 rpm 4 2 V8 Power: 300 hp @ 6200 rpm 4 2 V8 Torque: 295 lb-ft @ 3000 rpm Performance Engine Management: Bosch Motronic (specific variant varies by engine) Fuel System Fuel Delivery: Multi-point fuel injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) 🔧 Transmission Standard Transmission Options: 5-speed Tiptronic automatic (FWD and quattro), 6-speed manual (quattro only, less common in US) Optional Transmission Variants: 5-speed automatic (01V for V6, 01X for V8), 6-speed manual (01E) Features Tiptronic Functionality: Driver-selectable manual shifting mode. Transmission Fluid Type: G 052 162 A1/A2 (ATF Dexron III equivalent) 📐 Dimensions Exterior Wheelbase: 110.5 inches (2807 mm) Length: 191.5 inches (4864 mm) Width: 71.2 inches (1808 mm) Height: 56.7 inches (1440 mm) Weights Curb Weight: Approx. 3500 - 4000 lbs (1588 - 1814 kg), varies by engine and drivetrain. Cargo Trunk Volume: Approx. 15.1 cubic feet (0.428 m³) (Sedan) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-star (for models with side airbags) NHTSA Front Impact Passenger: 5-star IIHS Side Impact: Good (for models with side airbags) Active Features ABS: Standard Traction Control: Standard (ASR) Stability Control: Optional (ESP - Electronic Stability Program) Passive Features Airbags: Front airbags, optional side airbags and curtain airbags. Seatbelts: Pretensioner equipped front seatbelts. 💡 Technology Features Infotainment Available Systems: Audi Chorus (basic), Audi Concert (CD player), Audi Symphony (CD changer, premium audio), Navigation system (RNS-D). Audio Features: Bose premium sound system optional. Driver Assistance Parking Aid: Optional Parktronic (rear parking sensors). Connectivity Cruise Control: Standard Optional Features: Xenon headlights, automatic climate control, heated seats, sunroof. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 5,000-7,500 miles or 12 months, whichever comes first. Consult manual for specific engine/oil type. Timing Belt Replacement: For 2.7T and 3.0 V6 engines (belt-driven), typically every 70,000 - 100,000 miles or 5-7 years. 4.2 V8 uses a timing chain system. Spark Plug Replacement: Varies by engine, typically 60,000 - 100,000 miles (e.g., iridium plugs). Fluid Specifications Engine Oil Type: API SJ/SL, ACEA A3/B3 or A3/B4, viscosity typically 5W-40 or...