🏷️ Basic Information Identification Make: Audi Model: A4 Year: 1999 Chassis Codes: 8D, 8D2 (Sedan/Avant), 8D5 (Avant) Covered Variants: A4, S4, RS4 Avant, Allroad Generation Generation Code: B5 (Second Generation) Generation Years: 1994-2001 (globally), 1999 facelift for B5 👋 Introduction Market Position Market Segment: Premium Compact Executive Car Target Audience: Individuals seeking luxury, performance, and advanced engineering in a compact sedan or wagon. Competitive Analysis Key Competitors: BMW 3 Series (E46), Mercedes-Benz C-Class (W202/W203), Volvo S60/V70. Key Features Design Philosophy: Elegant, understated styling with a focus on quality interior materials and driver-centric ergonomics. Driving Dynamics: Known for its refined ride, stable handling, and often featuring Audi's Quattro all-wheel-drive system. Model Specialties: The S4 and RS4 variants offered significantly enhanced performance with larger engines and sport-tuned chassis components. 📋 Manual Details Coverage Areas Overall Coverage: Comprehensive service, repair, and maintenance for the entire vehicle. Page Count Total Pages: 14487 Manual Type Type: Factory Service and Repair Manual Language Language: English Format Format: PDF Delivery Delivery Method: Instant Download Compatibility Operating Systems: Windows and Mac Requirements Software Requirements: Adobe PDF Reader, WinRAR Printability Print Capability: Printable (entire manual or selected pages) Searchability Text Search: Fully searchable text 📖 Manual Coverage Systems Covered Powertrain: Mechanical Engine (including all variants), Transmission (manual & automatic), Driveline Axle systems. Chassis: Suspension (front & rear), Brakes (hydraulic & ABS), Steering (power steering), Wheels & Tires. Electrical: Full Electrical System, Wiring Diagrams, Lighting (headlights, taillights, interior), Restraints (airbags, seatbelts). Body And Interior: Body & Frame (structure, panels), Interior & Exterior components, HVAC (Heating, Ventilation, Air Conditioning), Accessories & Equipment. Electronics And Infotainment: Audio, Visual & Telematics systems. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication, tune-ups. Repair: Detailed step-by-step repair procedures for all major mechanical and electrical components. Diagnostics: Troubleshooting guides, fault code interpretation (where applicable), diagnostic procedures for various systems. Technical Data And Specifications: Torque specifications, tolerances, fluid capacities, electrical schematics, part identification. Technical Depth Depth: Full factory-level diagnostic and repair capabilities, suitable for professional technicians and advanced DIYers. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Print Quality Document Quality: High-resolution scans, ensuring clarity of text, diagrams, and images. Binding Type Binding: N/A (Digital Download - Printable) Paper Type Paper Recommendation: Recommended for printing on standard A4 or Letter size paper. ⚙️ Engine Specifications Primary Engine Engine Family: EA827 (modular engine family) Standard A4 Engine: 2.8L V6 (12v & 30v variants) Performance A4 2.8 12V: Approx. 172 hp @ 5800 rpm, 184 lb-ft @ 3200 rpm Performance A4 2.8 30V: Approx. 190 hp @ 6000 rpm, 207 lb-ft @ 3200 rpm Optional A4 Engine: 1.8L Turbocharged Inline-4 (16v) Performance A4 1.8T: Approx. 150 hp @ 5700 rpm, 155 lb-ft @ 1750 rpm (later models may have 170hp/190lb-ft) S4 Engine: 2.7L Twin-Turbocharged V6 (24v) Performance S4: 250 hp @ 5800 rpm, 258 lb-ft @ 1850 rpm Rs4 Engine: 2.7L Twin-Turbocharged V6 (24v) 'Plus' variant Performance Rs4: 375 hp @ 6000 rpm, 325 lb-ft @ 1850 rpm Fuel System Fuel Injection: Bosch Motronic (specific variant depends on engine) Fuel Type: Unleaded gasoline (Octane rating requirements vary by engine, typically 91+ for turbocharged variants) 🔧 Transmission Standard A4 Standard Transmission: 5-speed Manual Optional A4 Optional Transmission: 5-speed Tiptronic Automatic Features Drivetrain: Front-wheel drive (FWD) or Audi Quattro all-wheel drive (AWD). S4 And Rs4 Drivetrain: Standard Quattro all-wheel drive. 📐 Dimensions Exterior Wheelbase A4 Sedan: Approx. 2617 mm (103.0 inches) Length A4 Sedan: Approx. 4456 mm (175.4 inches) Width A4: Approx. 1733 mm (68.2 inches) Height A4 Sedan: Approx. 1391 mm (54.8 inches) Height A4 Avant: Approx. 1410 mm (55.5 inches) Cargo Cargo Volume Sedan: Approx. 390 liters (13.8 cubic feet) Cargo Volume Avant: Approx. 455 liters (16.1 cubic feet) with rear seats up, expandable significantly when folded. Weights Curb Weight A4 1.8T: Approx. 1410 kg (3108 lbs) Curb Weight A4 2.8 Quattro: Approx. 1590 kg (3505 lbs) Curb Weight S4: Approx. 1600 kg (3527 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: Good (IIHS 1999 A4 review). IIHS Side Impact: Acceptable (IIHS 1999 A4 review). Active Features ABS: Standard (Anti-lock Braking System). Esp: Available (Electronic Stability Program - ESP/ASR/Traction Control on select models). Passive Features Airbags: Driver and front passenger airbags, optional side airbags. Seatbelts: Three-point seatbelts with pretensioners and force limiters. 💡 Technology Features Infotainment Audio System: Audi Concert or Symphony audio systems with cassette and/or CD players. Optional Bose sound system available. Telematics: Optional GPS navigation systems were available, often integrated into a dashboard display. Driver Assistance Cruise Control: Standard or optional cruise control system. Connectivity Cellular Integration: Optional hands-free cellular phone preparation may be present on higher-spec models. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 15,000 km (9,300 miles) or 12 months, whichever comes first, depending on driving conditions and oil used. Consult manual for specifics. Timing Belt Replacement:...