🏷️ Basic Information Identification Make: Audi Model: 80/90 (B3 Platform) Model Generation: Second Generation (Type 89/8B) Codes Chassis Code: Type 89 / Type 8B 👋 Introduction Market Position Segment: Compact executive car / Luxury compact sedan and wagon Competitive Analysis Competitors: BMW 3 Series (E30), Mercedes-Benz 190E (W201), Volvo 240, Saab 900 Market Perception: Known for solid German engineering, advanced Quattro all-wheel drive system, and upscale interior for its class. Key Features Platform Highlights: Torsion beam rear suspension (on FWD models), independent rear suspension (on Quattro models), Galvanized unibody construction for corrosion resistance. Powertrain Innovation: Introduction of the 2.3L 20-valve 5-cylinder engine, refinement of the Quattro system. Manual Value Proposition Target Audience: DIY enthusiasts, independent repair shops, Audi owners seeking to maintain or restore their vehicles. Benefit: Enables accurate diagnosis, repair, and maintenance, crucial for preserving the longevity and performance of the classic Audi B3. 📋 Manual Details Coverage Areas Covered Years: 1986, 1987, 1988, 1989, 1990, 1991 Covered Models: Audi 80, Audi 90 Geographical Coverage: Primarily European and North American market specifications Page Count Estimated Page Count: Varies based on specific VIN and configuration; comprehensive manuals often exceed 1000 pages. Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, cooling system, engine management (ECU diagnostics) Transmission: Manual transmission (5-speed), Automatic transmission (4-speed, e.g., ZF 4HP22) Drivetrain: Front-wheel drive (FWD), Quattro all-wheel drive (AWD) system components (transfer case, driveshafts, differentials) Chassis: Suspension (front struts, rear independent suspension), steering system, brake system (disc/drum configurations, ABS) Electrical: Wiring diagrams, lighting, charging system, starting system, instrument cluster, comfort and convenience systems, anti-theft (if applicable) Body: Body construction, exterior trim, interior trim, doors, windows, HVAC (heating, ventilation, air conditioning) Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement Diagnostics: Troubleshooting guides, fault code interpretation, component testing procedures, diagnostic tools usage Repair: Component removal and installation, disassembly and reassembly of major systems (engine, transmission, suspension), body panel repair Adjustments: Wheel alignment, brake adjustments, parking brake adjustment, idle speed adjustment Specifications: Torque specifications, clearances, electrical values, diagnostic parameters Technical Depth Depth: Comprehensive, covering routine maintenance to full engine and transmission rebuilds, including complex electrical diagnostics and Quattro system repairs. 📊 Manual Specifications File Format Digital Format: Portable Document Format (PDF) Searchability: Likely text-searchable, allowing for quick location of specific information. Print Quality Printability: Designed for digital viewing and printing of individual pages or sections. Binding Type Physical Binding Equivalent: N/A (Digital Format) Paper Type Physical Paper Type Equivalent: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Codes: e.g., JN, JT, KV, NG, NF, NP, PM, WT, AAR, ABT, ACK, ADW, AEB (varied by market and year) Displacement Options: 1.6L, 1.8L, 2.0L, 2.3L (5-cylinder), 2.2L (5-cylinder turbo - Audi 200 based) Cylinder Configurations: Inline-4, Inline-5 Valve Train: SOHC, DOHC (on 5-cylinder engines) Performance Horsepower Range: Approx. 75 hp (1.6L) to 170 hp (2.2L Turbo) depending on engine and market. Torque Range: Approx. 120 Nm (1.6L) to 245 Nm (2.2L Turbo) depending on engine and market. Fuel System Fuel Delivery: Carbureted (early models, less common in later years) and Fuel Injection (Bosch K-Jetronic, KE-Jetronic, Motronic EFI) Fuel Type: Unleaded Gasoline (Octane rating requirements vary by engine) 🔧 Transmission Standard Type Standard: 5-speed Manual Optional Type Optional: 4-speed Automatic (e.g., ZF 4HP22) Features Audi Quattro: Available with all-wheel drive system, featuring viscous coupling center differential and Torsen rear differential on later/higher spec models. Fluid Specifications Manual Transmission Fluid: API GL-4 or GL-5 gear oil, viscosity typically 75W-90 or 80W-90 (consult manual for specific) Automatic Transmission Fluid: Dexron II or equivalent (e.g., ZF Lifeguardfluid 4) 📐 Dimensions Exterior Body Styles: 4-door Sedan (Saloon), 5-door Wagon (Avant) Wheelbase Mm: Approximately 2600 mm (varies slightly by body style) Weights Curb Weight Kg: Approximately 1150 kg - 1400 kg depending on engine, drivetrain, and equipment. Gross Vehicle Weight Rating Kg: Typically around 1700 kg - 1900 kg. 🛡️ Safety Features Ratings Crash Test Performance: Early 1990s safety standards; designed with crumple zones and safety cage. Specific ratings (e.g., NCAP) are not readily available for this era's models in modern formats. Active Features Anti Lock Brakes: Optional Anti-lock Braking System (ABS) available on many models. Passive Features Airbags: Driver airbag became available and standard on later models in certain markets; passenger airbags generally not offered. Seatbelts: Front and rear seat belts, with pre-tensioners on front belts in later production. 💡 Technology Features Infotainment Audio System: Factory AM/FM cassette radio with optional CD player. Speaker configurations varied by trim level. Driver Assistance Cruise Control: Optional cruise control system available on most models. Connectivity Bluetooth Integration: N/A (Not available on original factory vehicles) Climate Control HVAC System: Manual climate control with optional automatic climate control on...