🏷️ Basic Information Identification Make: Audi Model: 90 Year: 1995 Codes Chassis Code: B4 👋 Introduction Market Position Positioning: Premium compact executive sedan Competitive Analysis Competitors: BMW 3 Series, Mercedes-Benz C-Class, Lexus ES, Acura Legend Key Features Audi Strengths: Quattro all-wheel drive, sophisticated styling, excellent build quality, refined interior Manual Advantage Convenience: Instant online access, updated information compared to older printed manuals Cost Effectiveness: Saves money on professional repairs by enabling DIY maintenance and repairs 📋 Manual Details Coverage Areas Manual Coverage: Comprehensive service and repair for 1995 Audi 90 Page Count Estimated Page Count: Varies (digital access, extensive data) Manual Type Type: Online Service & Repair Manual Software Language Language: English Format Format: Web-based Software 📖 Manual Coverage Systems Covered Engine: Engine mechanical, cooling system, lubrication system, fuel system, ignition system, exhaust system Drivetrain: Manual transmission, automatic transmission, front-wheel drive, Quattro all-wheel drive system Suspension Steering: Front suspension (MacPherson struts), rear suspension (independent trailing arm), steering system (power-assisted rack and pinion) Brakes: Front disc brakes, rear disc brakes, anti-lock braking system (ABS) Electrical: Wiring diagrams, charging system, starting system, lighting, instrumentation, body electronics HVAC: Heating, ventilation, and air conditioning (HVAC) system Body: Body panel repair, interior trim, exterior trim, glass replacement Procedures Included Maintenance: Scheduled maintenance, fluid checks and changes, filter replacements, belt inspections Repair: Engine overhauls, transmission repairs, brake system repairs, suspension component replacement, electrical component diagnosis and repair Diagnostics: Troubleshooting guides, diagnostic trouble codes (DTCs), fault finding procedures Technical Data: Torque specifications, clearances, timing procedures, electrical resistance values Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Format Accessibility: Accessible via web browser on PC, laptop, smartphone, or tablet Print Quality Digital Resolution: High-resolution digital content Binding Type Binding: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-5 Cylinder Displacement: 2.8 Liters (2771 cc) Bore X Stroke: 82.5 mm x 90.6 mm Compression Ratio: 10.3:1 Valve Train: DOHC, 4 valves per cylinder Performance Horsepower: 172 hp @ 5500 rpm Torque: 184 lb-ft @ 3000 rpm Fuel System Induction: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded Premium Gasoline (91 AKI or higher) Engine Management ECU: Bosch Motronic (specific model varies) 🔧 Transmission Standard Type: 5-Speed Manual Optional Type: 4-Speed Automatic (Tiptronic on some Quattro models) Features Drivetrain Options: Front-Wheel Drive (FWD) and Quattro All-Wheel Drive (AWD) Fluid Specifications Manual Transmission Fluid: API GL-4 (e.g., Pentosin ATF 3000, G 052 171 A2) Automatic Transmission Fluid: G 052 162 A1 or equivalent (e.g., Pentosin ATF 300) 📐 Dimensions Exterior Length: 4516 mm (177.8 in) Width: 1734 mm (68.3 in) Height: 1417 mm (55.8 in) Wheelbase: 2610 mm (102.8 in) Weights Curb Weight: Approx. 1450-1550 kg (3200-3400 lbs) depending on configuration 🛡️ Safety Features Ratings NHTSA Front Impact Rating: Not widely available for this specific model year/trim, but generally considered safe for its era. Active Features ABS: Standard Anti-lock Braking System (ABS) Passive Features Airbags: Driver and passenger front airbags Seatbelts: Front pretensioner seatbelts 💡 Technology Features Infotainment Audio System: Factory premium sound system options available (e.g., Bose) Climate Control: Optional automatic climate control Driver Assistance Cruise Control: Standard cruise control Connectivity Connectivity Options: N/A (Basic technology for its era, no modern connectivity) 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 miles or 12 months, whichever comes first (using synthetic oil) Timing Belt Interval: Every 60,000 miles or 5 years Coolant Flush: Every 30,000 miles or 2 years Fluid Specifications Engine Oil Type: SAE 0W-40 or 5W-40 Synthetic (API SJ or higher) Engine Oil Capacity: Approximately 5.0 liters (5.3 US quarts) with filter change Coolant: G 12 Plus (or compatible silicate-free coolant) mixed 50/50 with distilled water Brake Fluid: DOT 4 Known Issues Ignition System: Coil pack failure, spark plug wire degradation Suspension: Worn control arm bushings, ball joints, and tie rod ends Electrical: VAG specific electrical gremlins, HVAC blower motor resistor failure Cooling System: Plastic coolant flange cracking, radiator leaks Fuel System: Clogged fuel injectors, failing fuel pump 📚 Vehicle History Brand Heritage Audi Legacy: Audi, a German automotive manufacturer, has a long history of producing premium vehicles with a focus on engineering and design. Model Evolution Audi 90 Lineage: The Audi 90 was introduced as a more luxurious and performance-oriented version of the Audi 80. The 1995 model belongs to the B4 generation, which saw significant updates over its predecessors. Production Generation Production: B4 generation produced from 1991 to 1996 (Europe), 1993-1995 (North America for Audi 90) 🏆 Awards & Recognition Recognitions Car And Driver 10 Best: While the 1995 model might not have been directly awarded, the Audi 90/80 platform was a consistent contender in the premium compact segment. Ratings Consumer Reports: Audi's of this era were generally well-regarded for build quality and driving dynamics, though reliability could be variable compared to...