🏷️ Basic Information Identification Make: Saab Model: 900 Model Generation: NG (New Generation) 900 Model Years Covered: 1991-1992 Chassis Codes: GM2900 👋 Introduction Market Position Segment: Compact Executive Car / Premium Compact. Target Audience: Enthusiasts, DIY mechanics, Saab owners seeking to maintain or repair their vehicles. Competitive Analysis Competitors 1991-1992: BMW 3 Series (E36), Mercedes-Benz 190E, Audi 80/90, Volvo 240/740, Volkswagen Golf GTI. Key Features Brand Philosophy: Saab's focus on safety, Scandinavian design, and aircraft-inspired engineering. Model Characteristics: Front-wheel drive, distinctive 'Trollhättan' design, turbocharged engine options, strong safety reputation. 📋 Manual Details Coverage Areas Primary Coverage: All mechanical, electrical, and body systems for Saab 900 models (1991-1992). Page Count Estimated Page Count: Hundreds of pages (exact count not specified but implied to be extensive). Manual Type Type: Factory Service Repair Workshop Manual Language Language: English Format Format: PDF (Downloadable) 📖 Manual Coverage Systems Covered Engine: Engine mechanical, lubrication, cooling, fuel, ignition, emission control systems. Transmission: Manual and Automatic transmission (gearbox) overhaul, operation, and troubleshooting. Drivetrain: Clutch, driveshafts, CV joints, differential (if applicable). Brakes: Hydraulic brake system, ABS (Anti-lock Braking System), parking brake. Suspension: Front and rear suspension, steering system, wheel alignment. Electrical: Battery, charging system, starting system, lighting, instruments, comfort systems, ECU (Engine Control Unit). Body: Body structure, interior trim, exterior panels, doors, glass, HVAC (Heating, Ventilation, and Air Conditioning). Chassis: Frame, body mounts, corrosion protection. Procedures Included Maintenance: Regular servicing, oil changes, filter replacements, fluid checks, lubrication. Troubleshooting: Diagnostic charts, symptom-based troubleshooting for all systems. Repair: Component removal, installation, overhaul, and adjustment procedures. Diagnostics: On-board diagnostics (OBD), fault code interpretation, electrical circuit testing. Disassembly Assembly: Step-by-step instructions with exploded views for component rebuilds. Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text within the PDF (standard for quality manuals). Print Quality Print Ability: Printable (single pages or entire manual). Binding Type Digital Binding: N/A (Digital download, no physical binding). Paper Type Digital Paper Equivalent: N/A (Digital download, no physical paper type). Usage Licensing Multi Device Support: Yes, usable on multiple computers and devices. Licensing Type: Lifetime use, no expiry dates or renewal fees. ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated and Turbocharged Inline-4 (B202/B212 families). Displacement Na: 2.0 Liters (1985 cc). Displacement Turbo: 2.0 Liters (1985 cc) and 2.1 Liters (2119 cc). Performance Horsepower Na: Approx. 115-125 hp (varies by market and specific tune). Horsepower Turbo: Approx. 160-175 hp (e.g., 900 Turbo, Aero variants). Torque Turbo: Approx. 200-230 Nm (148-170 lb-ft) for turbo models. Fuel System Fuel Delivery: Bosch L-Jetronic or LH-Jetronic fuel injection. Fuel Type: Unleaded Gasoline (Octane rating as specified in manual). Engine Management ECU Type: Saab Ignition and Engine Management (DI/LH). 🔧 Transmission Standard Transmission Type: 5-speed Manual Transmission. Optional Transmission Type: 4-speed Automatic Transmission (with lock-up converter). Features Clutch Type: Hydraulically operated, single dry plate clutch. Fluid Specifications Manual Gearbox Oil: API GL-4, SAE 75W-90 or 80W-90 synthetic gear oil (specific Saab recommendation to be consulted). Automatic Transmission Fluid: Saab Automatic Transmission Fluid (ATF) or equivalent Dexron III/Mercon. 📐 Dimensions Exterior Body Styles: 3-door Hatchback, 5-door Hatchback, 2-door Convertible. Wheelbase: Approx. 2600 mm (102.4 inches). Weights Curb Weight: Approx. 1250-1400 kg (2755-3086 lbs) depending on body style and engine. 🛡️ Safety Features Ratings Crash Safety: Known for excellent crashworthiness and passive safety, often exceeding contemporary standards. Active Features ABS: Optional Anti-lock Braking System (ABS) available on most models. Passive Features Airbags: Driver's side airbag standard on some later models, optional on others (check specific vehicle). Seatbelts: Pre-tensioned front seatbelts. Cage Construction: Saab 'Saab Active Head Restraint' (SAHR) system and reinforced safety cage construction. 💡 Technology Features Infotainment Audio System: Factory installed cassette or CD players with optional premium sound systems from Alpine or Clarion. Display Technology: Analog gauges with an information display for warnings and trip computer (if equipped). Driver Assistance Cruise Control: Standard on most higher trim levels and optional on others. Connectivity Wiring Diagrams: The manual contains detailed wiring diagrams crucial for understanding and diagnosing the vehicle's electrical systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles or 12-15,000 km (refer to manual for exact intervals based on driving conditions). Spark Plug Replacement: Varies by plug type (e.g., copper, platinum), typically 30,000 miles for standard plugs. Timing Belt Replacement: These engines use a timing chain, not a belt, so no periodic replacement is required beyond checking for wear. Fluid Specifications Engine Oil: API SG/SH or higher, SAE 5W-30, 10W-40, or 15W-40 depending on climate (check manual for precise recommendations). Coolant: Saab coolant or a 50/50 mix of ethylene glycol antifreeze and distilled water. Green or blue colored coolant (Silicate-free). Brake Fluid: DOT 3 or DOT 4 brake fluid. Known Issues Oil Sludge: Potential for oil sludge buildup in...