🏷️ Basic Information Identification Make: Audi Model: A4 Generation: B5 Model Years Covered: 1997, 1998, 1999, 2000 👋 Introduction Market Position Vehicle Class: Compact Executive Car (Entry-level luxury sedan/wagon) Competitive Analysis Key Competitors: BMW 3 Series (E36/E46), Mercedes-Benz C-Class (W202), Acura Integra, Lexus ES Key Features Design Philosophy: Audi's commitment to quality interior design, refined driving dynamics, and available quattro all-wheel drive system. Platform Sharing: Shares platform elements with the Volkswagen Passat B5. 📋 Manual Details Coverage Areas Manual Type: Factory Service Workshop Manual Language: English Format: Digital Download (Implied PDF) Distribution: Free Download, No Shipping Cost Page Count Estimated Page Count: 1500-2500+ Pages (typical for this era of factory manuals) 📖 Manual Coverage Systems Covered Engine Overview: Detailed repair and diagnostic procedures for all gasoline and diesel engines offered in the B5 A4 generation. Engine Specifics: Covers 1.8L Turbo (AEB, APB, ATW, AWM), 2.8L V6 (AFC, AHA, ATQ) engines, including timing belt service, cylinder head overhauls, and component replacement. Transmission Systems: Comprehensive coverage for manual (01A, 02X) and automatic (01N, 01M, 01V) transmissions. Drivetrain And Axles: Detailed procedures for front-wheel drive (FWD) and quattro all-wheel drive (AWD) systems, including CV joints, driveshafts, differential service, and hub bearing replacement. Suspension And Steering: Front and rear suspension component repair (control arms, ball joints, bushings), steering rack and pump service, alignment specifications. Braking System: ABS system diagnostics and repair, brake caliper service, rotor replacement, fluid bleeding procedures, parking brake adjustments. Electrical System: Wiring diagrams, component testing, starter, alternator, battery service, fuse and relay locations, body control module (BCM) functions. HVAC System: Air conditioning system service, climate control unit diagnostics, heater core replacement, blower motor service. Fuel System: Fuel pump replacement, fuel injector cleaning and replacement, fuel pressure testing, EVAP system diagnostics. Cooling System: Radiator, water pump, thermostat replacement, coolant type specifications, leak testing. Exhaust System: Catalytic converter replacement, muffler and pipe service, oxygen sensor locations and testing. Body And Chassis: Door and lock mechanism repair, exterior trim replacement, interior panel removal, body panel alignment. Lighting System: Headlight, taillight, and interior lighting troubleshooting, bulb replacement, headlight aiming. Safety Systems: Airbag system diagnostics and replacement, seatbelt service, SRS component locations. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, brake fluid flush, coolant flush. Troubleshooting Diagnostics: Step-by-step diagnostic trees for common drivability, electrical, and mechanical issues. Major Component Overhaul: Engine rebuild procedures, transmission rebuilds, turbocharger replacement. Component Replacement: Detailed instructions for replacing virtually every component on the vehicle. Torque Specifications: Essential torque values for all critical fasteners throughout the vehicle. Special Tools: Identification and usage instructions for necessary Audi special tools. Technical Depth Depth Level: Complete factory-level service and repair information, suitable for professional technicians and advanced DIYers. Diagnostic Capability: Detailed explanation of diagnostic trouble codes (DTCs) and diagnostic strategies. Wiring Diagrams: Extensive and detailed electrical schematics for all vehicle systems. 📊 Manual Specifications File Format Digital Format Details: Likely a PDF document, often searchable with a table of contents for easy navigation. Print Quality Quality Description: High-resolution digital reproduction of original factory documentation, ensuring clarity of text and diagrams. Binding Type Binding Description: N/A (Digital Download) Paper Type Paper Description: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine 1.8T Code: AEB (1997-1999), APB (2000), ATW (1999-2000), AWM (2000) Engine 1.8T Displacement: 1.8 Liters (1781 cc) Engine 1.8T Configuration: Inline-4, turbocharged, DOHC, 20 valves Engine 1.8T Horsepower: 150 hp @ 5700 rpm (all variants) Engine 1.8T Torque: 155 lb-ft @ 1950 rpm (all variants) Performance Engine 2.8L V6 Code: AFC (1997-1998), AHA (1999-2001), ATQ (2001) Engine 2.8L V6 Displacement: 2.8 Liters (2771 cc) Engine 2.8L V6 Configuration: V6, DOHC, 30 valves Engine 2.8L V6 Horsepower: 170 hp @ 6000 rpm (AFC), 172 hp @ 6000 rpm (AHA/ATQ) Engine 2.8L V6 Torque: 191 lb-ft @ 3200 rpm (AFC), 191 lb-ft @ 3200 rpm (AHA/ATQ) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Recommended Fuel: Premium Unleaded Gasoline (91 AKI or higher for 1.8T, 87 AKI or higher for 2.8L V6) 🔧 Transmission Standard Manual Transmission: 5-Speed Manual (01A for FWD/quattro), 6-Speed Manual (02X for quattro, introduced later in B5 generation) Optional Automatic Transmission: 4-Speed Automatic (01N for FWD, 01M for quattro) Features Quattro System: Available Torsen center differential for full-time all-wheel drive. 📐 Dimensions Exterior Wheelbase: 103.1 inches (2619 mm) Length: 177.5 inches (4509 mm) Width: 68.4 inches (1737 mm) Height: 55.4 inches (1407 mm) Weights Curb Weight FWD: 3100-3200 lbs (approx.) Curb Weight Quattro: 3300-3500 lbs (approx.) 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars (Driver), 4 Stars (Passenger) IIHS Side Impact: Acceptable (for models equipped with side airbags) Active Features ABS: Standard Anti-lock Braking System Traction Control: Traction Control System (ASR) standard on some models, optional on others. Passive Features Airbags: Frontal airbags (driver and passenger) standard. Optional side airbags for front occupants. Seatbelts: Three-point...