🏷️ Basic Information Identification Make: Audi Model: S4 Year: 2000 Generation: B5 (Second Generation) Codes Chassis Code: 8D2 Engine Code: AWB (2.7L Twin-Turbo V6) 👋 Introduction Market Position Segment: Performance Sedan / Compact Executive Positioning: The 2000 Audi S4 (B5 generation) was positioned as a high-performance variant of the A4, offering a potent twin-turbocharged V6 engine and standard Quattro all-wheel drive, competing with models like the BMW 330i and Mercedes-Benz C43 AMG. Competitive Analysis Competitors: BMW 3 Series (E46), Mercedes-Benz C-Class (W202), Subaru Impreza WRX. Key Features Engine: 2.7L Twin-Turbocharged V6 (2.7T). Drivetrain: Standard Quattro permanent all-wheel drive. Suspension: Sport-tuned suspension. Interior Styling: S4 specific sport seats, aluminum trim, unique instrument cluster. Manual Value Value Proposition: Provides licensed, OE-derived repair information, offering a cost-effective and convenient alternative to expensive dealership service or unreliable unofficial guides. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Diagnostics, Troubleshooting Page Count Estimated Pages: Detailed, likely several thousand pages when compiled from OE data Manual Type Type: Software / Online Service Manual Language Language: English Format Format: Online Access (Web Browser Compatible) Access Duration: 1 Year Subscription 📖 Manual Coverage Systems Covered Engine: 2.7L V6 Biturbo (2.7T, AWB engine code), including ECU diagnostics, fuel injection, ignition, cooling, lubrication, air intake, exhaust systems. Drivetrain: Quattro all-wheel drive system, front and rear differentials, driveshafts, axles, clutch (if applicable for manual transmission models), Tiptronic automatic transmission. Suspension: Front and rear suspension components, shock absorbers, springs, control arms, bushings, steering knuckles, wheel bearings. Brakes: Front and rear disc brakes (including ABS system), hydraulic components, brake pads, rotors, calipers, brake lines, parking brake. Steering: Power steering system, steering rack, tie rods, steering column. Electrical: Complete vehicle wiring diagrams, fuse box layouts, lighting systems (headlights, taillights, interior), power windows, mirrors, central locking, battery, alternator, starter motor. Climate Control: Heating, ventilation, and air conditioning (HVAC) system, compressor, condenser, evaporator, blower motor, climate control module. Body: Body panel removal and installation, doors, hood, trunk lid, bumpers, glass, seals, interior trim. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, coolant flush, brake fluid flush, differential fluid change. Diagnostics: OBD-II diagnostics, fault code interpretation, troubleshooting guides for various systems, component testing procedures. Repair Procedures: Engine component repair (e.g., turbocharger replacement, timing belt inspection/replacement, head gasket repair), transmission overhaul, brake caliper rebuild, suspension component replacement, electrical component repair. Component Replacement: Detailed steps for replacing virtually all major and minor components, including timing belt, water pump, alternator, starter, fuel pump, mass airflow sensor, oxygen sensors, control arms, etc. Technical Depth Depth: Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds, with detailed diagnostic procedures and wiring schematics. 📊 Manual Specifications File Format Format: Web-based platform accessible via internet browser. Print Quality Quality: N/A (Digital Format) Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) Software Compatibility Compatibility: PC, Laptop, Smartphone, Tablet with internet connection and web browser. ⚙️ Engine Specifications Primary Engine Type: V6, 90-degree, Twin-Turbocharged, Intercooled Displacement: 2.7 Liters (2671 cc) Bore X Stroke: 81.0 mm x 86.4 mm Compression Ratio: 9.0:1 Engine Management: Bosch Motronic ME7.1 (or similar ECU variant) Performance Horsepower: 250 hp @ 5800 rpm Torque: 258 lb-ft (350 Nm) @ 1800-3500 rpm Fuel System Injection: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 AKI or higher recommended) Cooling System Coolant Capacity: Approx. 8.0 Liters (16.9 US Quarts) Lubrication System Oil Capacity: Approx. 7.2 Liters (7.6 US Quarts) with filter Recommended Oil Viscosity: SAE 0W-30 Synthetic (API SJ or higher) Timing Components Timing Belt: Timing belt driven, requiring periodic replacement (typically every 75,000-105,000 miles or 7 years). 🔧 Transmission Standard Type: 6-Speed Manual Transmission Optional Type: Tiptronic 5-Speed Automatic Transmission Features AWD System: Torsen T-3 Center Differential (Quattro system) Fluid Specs Manual Transmission Fluid: SAE 75W-90 Synthetic Gear Oil (API GL-5) Automatic Transmission Fluid: G 052 162 A1 (or equivalent ATF) 📐 Dimensions Exterior Length: 4574 mm (180.1 inches) Width: 1766 mm (69.5 inches) Height: 1390 mm (54.7 inches) Wheelbase: 2608 mm (102.7 inches) Weights Curb Weight: Approx. 1610 kg (3550 lbs) for manual transmission Gross Weight Rating: Approx. 2130 kg (4696 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: 4-star NHTSA Side Impact: 4-star Active Features ABS: Standard Anti-lock Braking System (ABS). Traction Control: Standard Electronic Stability Program (ESP) and Traction Control System (ASR). Passive Features Airbags: Frontal airbags for driver and passenger, optional side airbags. Seatbelts: 3-point inertia-reel seatbelts with pretensioners. 💡 Technology Features Infotainment Audio System: Bose premium audio system with AM/FM radio, CD player (single or changer), and cassette player. Navigation: Optional Audi Navigation System (often a basic European map or pre-loaded system). Driver Assistance Cruise Control: Standard cruise control. Parking Sensors: Rear parking sensors were an option on later models. Connectivity Connectivity Features: Limited by modern standards. Primarily...