The Audi B5 (A4/S4) represents a significant era for Audi in the compact executive segment, produced from 1997 to 2001. Based on the Volkswagen Group B Platform, this generation is characterized by its sleek, aerodynamic design and a focus on driver engagement and refined interiors, often competing with established luxury marques. Available in sedan and Avant (wagon) body styles, the B5 offered a range of powertrain options including 1.8L Turbo, 2.8L V6, 2.5L V6, a potent 2.7L Biturbo V6 for the S4 model, and efficient 1.9L TDI diesel engines, all paired with either front-wheel drive or the acclaimed quattro All-Wheel Drive system. Its engineering quality and refined driving dynamics earned it consistent accolades, including recognition on Car and Driver's 10Best lists. This Workshop Service and Repair Manual provides comprehensive coverage for Audi B5 models, serving as a complete Factory Service Manual. It details essential maintenance procedures, routine service intervals, and fluid specifications, alongside in-depth troubleshooting guidance for all major systems. Within its pages, you will find step-by-step instructions for engine mechanical overhauls, drivetrain repairs, suspension and steering adjustments, brake system servicing, and extensive electrical system diagnostics. The manual also covers body, trim, and HVAC system maintenance, offering a thorough resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their Audi B5 vehicle. 🏷️ Basic Information Identification Make: Audi Model: B5 (A4/S4) Production Years Covered: 1997-2001 Codes Chassis Codes: Typ 8D 👋 Introduction Market Position Positioning: Premium compact executive sedan and wagon, competing with Mercedes-Benz C-Class and BMW 3 Series. Competitive Analysis Key Competitors: BMW E46 3 Series, Mercedes-Benz W202 C-Class, Lexus IS200. Key Features Platform Significance: Based on the Volkswagen Group B Platform (PL45), shared with VW Passat B5. Design Philosophy: Sleek, aerodynamic design with a focus on driver engagement and refined interior. 📋 Manual Details Coverage Areas Manual Type: Workshop Service and Repair Manual Coverage Scope: Complete FSM (Factory Service Manual) Page Count Estimated Page Count: Over 1500 pages (typical for this generation) Language Languages Available: English, Spanish, Swedish Format Download File Format: RAR Archive (containing PDF files) Software Requirements: WinRAR or 7-ZIP (recommended), PDF Reader Compatibility: All Windows & Mac versions 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, disassembly, assembly, diagnostics, timing belts/chains, valve train, pistons, rings, connecting rods, crankshaft, oil pump, cooling system components. Engine Lubrication Cooling: Oil system, oil filter replacement, oil cooler, radiator, water pump, thermostat, coolant hoses, fan systems. Engine Fuel Emission: Fuel injection system (Bosch Motronic variants), fuel pump, fuel injectors, fuel filter, throttle body, emission control systems (EVAP, EGR), oxygen sensors, catalytic converter. Drivetrain: Clutch system (hydraulic, release bearing, pressure plate, flywheel), manual transmission (disassembly, assembly, gear ratios), automatic transmission (Tiptronic variants, removal, installation, fluid changes, torque converter), propeller shaft, differential carrier. Suspension Steering: Front and rear suspension components (control arms, ball joints, bushings, struts, shocks), wheel alignment procedures, steering rack, power steering system, steering column, tie rods. Brakes: Brake system diagnosis, hydraulic components (master cylinder, brake lines, calipers, wheel cylinders), ABS system components, brake pad and rotor replacement, parking brake system. Electrical System: Wiring diagrams, battery, alternator, starter motor, ignition system, lighting (headlights, taillights, interior), fuse box, relays, sensors, ECUs, dashboard instruments, power windows, central locking. Body Trim HVAC: Body panels, doors, interior trim, dashboard removal, seats, airbags, restraint system, heater core, air conditioning system (refrigerant, compressor, condenser, evaporator), climate control. Procedures Included Maintenance: Routine maintenance, oil change, filter replacement, fluid checks and changes (coolant, brake fluid, power steering fluid, transmission fluid), spark plug replacement, belt inspection and replacement. Diagnostics: Troubleshooting procedures for all major systems, fault code interpretation (OBD-II relevant), component testing, symptom-based diagnostics. Repair Replacement: Step-by-step instructions for component removal, repair, and installation for all systems listed in coverage_areas. Adjustments: Various adjustments including throttle cable, handbrake, clutch pedal, suspension alignment. Technical Depth Depth Of Information: Comprehensive, suitable for dealership technicians; covers detailed disassembly, assembly, and complex diagnostics. 📊 Manual Specifications File Format PDF Quality: High-resolution, searchable PDF files with clear diagrams and text. Print Quality Printability: Designed to be printable for use in a workshop environment. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Variants Covered: 1.8L Turbo (AEB, APU, ARK, etc.), 2.8L V6 (AAH, ACK, AHL, etc.), 2.5L V6 (BDV), 2.7L Biturbo V6 (APU, AWT - S4), 1.9L TDI Diesel (AHH, AJM, etc.). Performance Typical Horsepower Range: 125 hp (1.9 TDI) to 265 hp (2.7 Bi-Turbo S4). Typical Torque Range: 200 Nm (1.9 TDI) to 400 Nm (2.7 Bi-Turbo S4). Fuel System Fuel Delivery: Multi-point fuel injection (MPI) or Electronic Fuel Injection (EFI) with Bosch Motronic engine management. Recommended Fuel: Unleaded gasoline (octane rating varies by engine), Diesel for TDI models. 🔧 Transmission Standard Standard Transmission: 5-speed Manual Transmission (e.g., GFU, FPA). Optional Optional Transmission: 5-speed Tiptronic Automatic Transmission...