🏷️ Basic Information Identification Make: Audi Model: 90 Year: 1995 Codes Internal Model Code: Typ 89Q (B3 chassis, quattro derivatives) 👋 Introduction Market Position Positioning: Premium compact executive sedan, known for its sophisticated design, quattro all-wheel drive, and refined interior. Competitive Analysis Competitors: BMW 3 Series (E36), Mercedes-Benz C-Class (W202), Lexus ES300, Acura Vigor Key Features Highlights: Standard quattro AWD, sophisticated multi-link rear suspension, high-quality interior materials, powerful V6 engine. 📋 Manual Details Coverage Areas Engine Coverage: 2.8L V6 (AAH engine code) Drivetrain Coverage: All-wheel drive (quattro) system Transmission Coverage: 5-speed Manual, 4-speed Automatic Page Count Total Pages: Approximately 800+ Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Printed Manual 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, exhaust system, engine management (ECU), cooling system, lubrication system Drivetrain: Clutch system, manual transmission (GJR, GJT), automatic transmission (01A, 097), drive axles, differential units, quattro system components Chassis: Front suspension (McPherson strut), rear suspension (independent trailing arm), steering system (power assisted rack and pinion), brake system (ABS, front vented discs, rear discs) Electrical: Battery, charging system, starting system, lighting, instrumentation, wiper/washer systems, power accessories, engine control wiring diagrams, body electrical diagrams Body And Interior: Body panels, doors, windows, sunroof, interior trim, seats, HVAC system (heating, ventilation, air conditioning) Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug replacement, brake pad/rotor service, belt inspection/replacement Diagnostics And Troubleshooting: Step-by-step diagnostic procedures for common drivability issues, electrical faults, and mechanical problems; diagnostic trouble codes (DTCs) Repair And Overhaul: Detailed instructions for component removal, installation, and overhaul, including engine teardown, transmission rebuilds, suspension component replacement, and brake system repairs Technical Specifications And Data: Torque specifications, fluid capacities, electrical system schematics, engine timing data, emissions control information Technical Depth Depth: Comprehensive; covers from basic maintenance to full engine and transmission rebuilds, including advanced electrical troubleshooting and chassis component overhaul 📊 Manual Specifications File Format Digital Format Quality: N/A (Printed) Print Quality Print Quality: High-resolution text and diagrams for clarity Binding Type Binding: Perfect binding or spiral binding (depending on original print run) Paper Type Paper Type: Durable, coated paper stock suitable for workshop environments ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V6 Engine Code: AAH Displacement: 2.8 Liters (2771 cc) Bore X Stroke: 82.5 mm x 91.3 mm Compression Ratio: 10.0:1 Valvetrain: SOHC (Single Overhead Camshaft), 2 valves per cylinder Performance Horsepower: 172 hp @ 5500 rpm Torque: 184 lb-ft @ 3000 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (Premium Unleaded Recommended) Octane Rating: 91 AKI (Anti-Knock Index) Engine Management ECU Type: Bosch Motronic (e.g., M2.3.2) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Manual Gear Ratios: Typical ratios: 1st: 3.50, 2nd: 1.88, 3rd: 1.22, 4th: 0.94, 5th: 0.76, Reverse: 3.25 Optional Transmission Type: 4-Speed Automatic (Tiptronic optional on some models) Automatic Transmission Code: 097 Features Drivetrain: Permanent All-Wheel Drive (quattro) Fluid Specifications Manual Transmission Fluid: G 052 171 A2 (or equivalent GL-4 synthetic) Automatic Transmission Fluid: G 052 162 A2 (or equivalent ATF) 📐 Dimensions Exterior Length: 4409 mm (173.6 in) Width: 1715 mm (67.5 in) Height: 1395 mm (54.9 in) Wheelbase: 2610 mm (102.8 in) Front Track: 1440 mm (56.7 in) Rear Track: 1455 mm (57.3 in) Weights Curb Weight Manual: Approx. 1350 kg (2976 lbs) Curb Weight Automatic: Approx. 1380 kg (3042 lbs) Gross Vehicle Weight Rating: Approx. 1850 kg (4079 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: Not officially rated for this specific year/model in available databases, but generally considered safe for its era. Active Features Anti Lock Brakes: Standard (ABS) Drivetrain: All-wheel drive (quattro) for enhanced traction and stability Passive Features Airbags: Driver-side airbag (standard), Passenger airbag (optional/standard on some trims) Seatbelts: Front 3-point height-adjustable seatbelts with pretensioners, Rear 3-point seatbelts Body Construction: Integral safety cage, energy-absorbing crumple zones front and rear 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional CD changer Climate Control: Manual or optional Automatic Climate Control (ACC) Driver Assistance Cruise Control: Standard Connectivity Connectivity Features: Limited by era; primarily focused on power accessories and basic vehicle functions. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, whichever comes first Engine Air Filter: Replace every 15,000-30,000 miles (24,000-48,000 km) Spark Plugs: Replace every 30,000 miles (48,000 km) with appropriate type (e.g., NGK BKR6E or equivalent) Timing Belt: Replace every 60,000-90,000 miles (96,000-145,000 km) or 5-7 years (critical component for interference engine) Fluid Specifications Engine Oil Type: SAE 5W-40 or 10W-40 synthetic/synthetic blend (API SG or higher) Coolant Type: G 11 (Blue) or G 12 (Pink) antifreeze/coolant concentrate mixed 50/50 with distilled water Brake Fluid Type: DOT 4 Power Steering Fluid: G 002 000 (or Pentosin CHF 11S, or compatible hydraulic fluid) Known Issues Common Wear Items: CV joint...