🏷️ Basic Information Identification Make: Audi Model: A4 Generation: B5 Model Year: 1999 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Competitive Analysis Key Competitors: BMW 3 Series (E46), Mercedes-Benz C-Class (W202), Volvo S40/V40 Key Features Platform Highlights: Shared platform with Volkswagen Passat B5, known for solid build quality and refined driving experience. 📋 Manual Details Coverage Areas Primary Coverage: Repair and Maintenance Secondary Coverage: Diagnostics and Troubleshooting Page Count Estimated Page Count: Varies based on specific factory manual Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: PDF / WINRAR 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, component replacement, timing belt/chain, seals, gaskets, lubrication system Fuel System: Fuel pump, injectors, lines, tank, emissions controls, evaporative emissions (EVAP) Fuel Injection And Ignition: ECU, sensors (MAF, O2, TPS, etc.), ignition coils, spark plugs, diagnostic trouble codes (DTCs) Suspension Wheel And Brakes: Struts, shocks, control arms, bushings, wheel bearings, brake pads, rotors, calipers, ABS, parking brake Heating And Ac: HVAC system components, refrigerant recharge, blower motor, climate control unit, diagnostics Electrical Equipment: Wiring diagrams, fuse box locations, lighting, power windows, mirrors, central locking, battery, starter, alternator Body: Exterior panel removal/installation, doors, hood, trunk, bumpers, glass, interior trim Transmission Overhaul: Detailed procedures for manual and automatic transmission disassembly, inspection, repair, and reassembly. Drivetrain AWD: Specifics on Quattro system maintenance, differential service, driveshaft and CV joint inspection. Exhaust System: Catalytic converter replacement, muffler and pipe repairs, exhaust manifold diagnostics. Steering System: Power steering pump, rack and pinion, tie rod ends, steering column components. Body Control Modules: Diagnostics and repair of various body control units, including comfort modules. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections Troubleshooting: Step-by-step diagnostic procedures for common and complex faults Repair: Detailed instructions for component removal, repair, and reinstallation Wheel Alignment: Specifications and procedures for front and rear wheel alignment. Emission Control Diagnostics: Testing and repair of evaporative emissions systems (EVAP), EGR systems, and secondary air injection. Engine Rebuilding: Comprehensive steps for engine disassembly, parts inspection, machining recommendations, and reassembly. Technical Depth Depth: Comprehensive, from basic servicing to in-depth mechanical and electrical repairs Diagnostic Tools: Information on using VAG-COM or other OBD-II scanners for diagnostic trouble codes (DTCs) and live data. Wiring Diagrams Quality: Detailed, color-coded wiring schematics for all electrical systems, crucial for troubleshooting. 📊 Manual Specifications File Format Digital Formats: PDF, WINRAR (for potential compression) Compatibility: Windows, Linux, MAC Print Quality Quality: Digital, quality dependent on source scan Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Options 1999: 1.8L I4 (Naturally Aspirated and Turbocharged), 2.8L V6 (Naturally Aspirated) Engine 1 8T Codes: AEB, ATW, AWM (late 1999/early 2000 models) Engine 2 8 V6 Codes: AHA, APR, AQD Performance Engine 1 8T Power: Approx. 150 PS (110 kW; 148 hp) @ 5700 rpm (for AEB/ATW engine codes) Engine 2 8 V6 Power: Approx. 193 PS (142 kW; 190 hp) @ 6000 rpm (for AHA/APR/AQD engine codes) Engine 1 8 Na Power: Approx. 125 PS (92 kW; 123 hp) (less common in North America for 1999) Fuel System Injection Type: Multi-point Fuel Injection (MPI) / Electronic Fuel Injection (EFI) Engine Oil Capacity 1 8T: Approx. 4.5 liters (4.8 US quarts) with filter change Engine Oil Capacity 2 8 V6: Approx. 7.0 liters (7.4 US quarts) with filter change 🔧 Transmission Standard Transmission Type Standard: 5-speed Manual Transmission Optional Transmission Type Optional: 5-speed Tiptronic Automatic Transmission Features Drivetrain: Front-Wheel Drive (FWD) or Quattro All-Wheel Drive (AWD) 📐 Dimensions Exterior Body Styles: 4-door Sedan, 5-door Avant (Wagon) Wheelbase: Approx. 2614 mm (102.9 in) Length: Sedan: Approx. 4517 mm (177.8 in), Avant: Approx. 4577 mm (180.2 in) Width: Approx. 1733 mm (68.2 in) Height: Sedan: Approx. 1419 mm (55.9 in), Avant: Approx. 1453 mm (57.2 in) Weights Curb Weight Range: Approx. 1400-1600 kg (3086-3527 lbs), varies by drivetrain and engine Gross Vehicle Weight Rating: Varies by model configuration Towing Capacity: Refer to owner's manual or local regulations for specifications 🛡️ Safety Features Ratings NHTSA Ratings: Likely 4-star frontal crash rating (based on contemporary testing standards) Active Features ABS: Standard Anti-lock Braking System (ABS) Esp: Optional Electronic Stability Program (ESP) on some models Traction Control: Often integrated with ESP, can be disabled Passive Features Airbags: Frontal airbags, optional side airbags Seat Belts: Three-point seat belts with pretensioners, height-adjustable front belts 💡 Technology Features Infotainment Audio System: Factory fitted Audi Chorus or Concert CD/radio systems, optional Symphony system with cassette/CD changer. Navigation: Optional factory navigation system (often less sophisticated than modern units). Driver Assistance Cruise Control: Standard on most models Connectivity Phone Integration: Optional dealer-installed Bluetooth or cellular phone kits 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles (12,000-16,000 km) or annually, depending on driving conditions and oil type. Consult specific manual for...