🏷️ Basic Information Identification Make: Audi Model: A6 Year: 1994 Chassis Code: C4-4A 👋 Introduction Market Position Market Position: Luxury Sedan; positioned as Audi's flagship model in many markets, offering comfort, performance, and advanced features for its time. Competitive Analysis Competitive Analysis: Competed against established luxury sedans such as the BMW 5 Series, Mercedes-Benz E-Class, and Lexus LS. Differentiated itself with Quattro all-wheel drive, refined styling, and a focus on driver engagement. Key Features Key Features: Quattro all-wheel drive (standard or optional depending on market/engine), refined interior, advanced safety features for the era, potent engine options. 📋 Manual Details Coverage Coverage Areas: All Models & All Repairs A-Z Type Manual Type: Service and Repair Manual Format Language: English Format: Likely Printed (Digital format not specified, but typical for dealership use) 📖 Manual Coverage Systems Systems Covered: Engine Mechanical, Engine Electrical, Fuel System, Exhaust System, Cooling System, Lubrication System, Ignition System, Transmission (Manual & Automatic), Drivetrain, Suspension, Steering, Brakes (ABS), Wheels & Tires, Body & Frame, Electrical System (Lighting, Gauges, Accessories), Climate Control, Safety Restraint System (SRS) Procedures Procedures Included: Scheduled Maintenance, General Repairs, Engine Overhaul, Transmission Rebuild, Suspension & Steering Alignment, Brake System Service, Electrical Diagnostics & Repair, Bodywork & Paint Procedures, Climate Control System Troubleshooting, Interior & Exterior Trim Removal/Installation, Diagnostic Trouble Codes (DTCs) Interpretation & Resolution Depth Technical Depth: Comprehensive; Vehicle-Specific Technical Data, Diagnostic Procedures, Repair Steps, Torque Specifications, Wiring Diagrams, Component Locations, and Special Tool Requirements 📊 Manual Specifications Physical Attributes Page Count: Estimated 1000+ pages (typical for a complete factory service manual of this era) Binding Type: Likely Perfect Bound or Spiral Bound (for ease of use in a workshop environment) Paper Type: High-quality, durable paper stock suitable for workshop use, often with glossy pages for diagrams File Attributes File Format: N/A (Assuming printed for now) ⚙️ Engine Specifications Primary Engine Primary Engine: 2.8L V6 (AAA engine code) Performance Horsepower 2 8L V6: Approx. 172 hp @ 5800 rpm Torque 2 8L V6: Approx. 184 lb-ft @ 3400 rpm Engine Variant Engine Variant Optional: 2.6L V6 (ABC engine code) - Less common in some markets Fuel System Fuel System: Multi-point Fuel Injection (MPI) Engine Management Engine Management System: Bosch Motronic (Specific version may vary, e.g., Motronic 2.4 or 2.7) Cooling System Cooling System Capacity: Approx. 8.5 liters (with heater) Lubrication System Oil Capacity With Filter: Approx. 4.5 liters (for 2.8L V6) Ignition System Ignition Type: Distributorless Ignition System (DIS) or Distributor type depending on early/late production and engine variant 🔧 Transmission Standard Standard Transmission: 5-speed Manual Optional Optional Transmission: 4-speed Automatic (Tiptronic available later in the generation) Features Transmission Features: Torsen Center Differential (with Quattro), Electronic Control for Automatic Transmission Fluid Specs Automatic Transmission Fluid Type: G 052 990 (or equivalent, e.g., Dexron III compatible) Manual Transmission Fluid Type: G 052 171 (or equivalent API GL-4/GL-5 SAE 75W-90) 📐 Dimensions Exterior Length: Approx. 4796 mm (188.8 in) Width: Approx. 1784 mm (70.2 in) Height: Approx. 1430 mm (56.3 in) Wheelbase Wheelbase: Approx. 2760 mm (108.7 in) Weights Curb Weight: Approx. 1500-1600 kg (3300-3500 lbs) depending on configuration Cargo Trunk Capacity: Approx. 550 liters (19.4 cu ft) Wheels Tires Wheel Bolt Pattern: 5x112 mm Standard Tire Size: 205/60 R15 or 215/55 R16 🛡️ Safety Features Ratings Safety Ratings: NHTSA/IIHS ratings for this era are generally not as detailed as modern standards. Focus was on passive safety systems like airbags and crumple zones. Active Features Active Safety Features: Anti-lock Braking System (ABS) standard on most models, Electronic Stability Program (ESP) not widely available on this specific model year. Passive Features Passive Safety Features: Driver and Front Passenger Airbags, Side Impact Beams, Crumple Zones, Three-point Seatbelts with pretensioners. 💡 Technology Features Infotainment Infotainment Features: AM/FM Stereo Cassette Player with CD Changer compatibility (optional), Digital Climate Control (optional), Trip Computer. Driver Assistance Driver Assistance Features: Cruise Control, Power Steering, Parking Sensors (rarely equipped for this era). Connectivity Connectivity Features: Limited to basic vehicle functions; no modern Bluetooth or USB connectivity. Lighting Headlight Type: Halogen (H4 or H7 bulbs) 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500 miles or 1 year, whichever comes first (check manual for specific conditions). Timing Belt Replacement: Crucial for V6 engines; usually around 60,000 - 90,000 miles or 5-7 years. Failure can cause catastrophic engine damage. Spark Plug Replacement: Typically every 30,000 - 60,000 miles (depending on plug type). Fluid Specifications Engine Oil Type: Typically a synthetic 5W-40 or 0W-40 oil meeting VW 502 00 specification (consult manual for exact spec). Coolant Type: G 11 (Blue) or G 12 (Red) Antifreeze/Coolant (ensure compatibility if mixing). Brake Fluid Type: DOT 4 Known Issues Known Issues Common: Oil leaks (valve cover gaskets, oil pan gasket), coolant leaks (expansion tank, hoses), ABS sensor failures, window regulator failures, HVAC blower motor issues, ignition coil failures, suspension component wear...