🏷️ Basic Information Identification Make: Saab Model: 900 Model Generation: Second Generation (NG900) Product Name: Saab 900 Complete Workshop Service Repair Manual 1991 1992 Codes Chassis Codes: YS3D 👋 Introduction Market Position Positioning: The Saab 900 (NG900) represented a significant evolution for Saab, blending its characteristic safety and unique design with more modern automotive trends. This manual caters to owners and technicians seeking to maintain and repair this distinctive vehicle. Competitive Analysis Competitors: Competed in the compact luxury/near-luxury segment against vehicles like the BMW 3 Series, Audi 80/90, Mercedes-Benz 190E, and Acura Integra/Legend. Key Features Manual Value Proposition: Empowers owners to perform their own repairs, saving significant costs. Provides detailed, step-by-step instructions with visual aids for ease of understanding and execution. Vehicle Unique Selling Points: Saab's signature 'car as pilot' ergonomics, advanced safety features for its time, turbocharged engine options, distinctive Scandinavian design, and robust build quality. 📋 Manual Details Coverage Areas Models Covered: All Saab 900 models, all engine variants, all trim levels, and all transmission types for the 1991 and 1992 model years. Page Count Estimated Page Count: Over 1500 pages (typical for comprehensive workshop manuals of this era) Manual Type Type: Complete Workshop Service & Repair Manual Language Language: English Format Format: Downloadable Digital File (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanicals, lubrication, cooling system, fuel system (including fuel injection), ignition system, exhaust system, engine diagnostics, emission controls. Transmission Systems: Manual and automatic transmission overhauls, clutch operation, torque converter, gearshift mechanisms, transmission diagnostics. Chassis Systems: Suspension (front and rear), steering system (power steering), brakes (hydraulic system, ABS), wheels, tires, alignment. Electrical Systems: Complete wiring diagrams, battery, charging system (alternator), starting system, lighting, instrumentation, infotainment, power accessories, fuses, relays, electronic control units (ECUs). Body And Interior: Body construction, panels, doors, windows, glass, seals, upholstery, trim, heating, ventilation, and air conditioning (HVAC). Procedures Included Maintenance Procedures: Routine maintenance checks, oil changes, filter replacements, fluid level checks, belt adjustments, spark plug replacement, brake pad replacement. Repair Procedures: Step-by-step instructions for major component repairs, including engine rebuilds, transmission overhauls, suspension component replacement, brake caliper repair, electrical component troubleshooting. Diagnostic Procedures: Troubleshooting guides for common faults, symptom-based diagnostics, OBD-I diagnostic codes and procedures (if applicable). Technical Depth Depth: Comprehensive coverage from basic maintenance to advanced diagnostics and complete component overhauls. Suitable for both DIY enthusiasts and professional mechanics. 📊 Manual Specifications File Format File Type: Portable Document Format (PDF) Print Quality Quality: High resolution, ensuring clarity of text and diagrams for printing and digital viewing. Binding Type Binding: Not applicable (downloadable digital file) Paper Type Paper Type: Not applicable (downloadable digital file) Searchability Text Search: Likely text-searchable PDF, allowing for quick keyword-based information retrieval. Device Compatibility Compatibility: Compatible with all PC and MAC computers, tablets, and smartphones. Requires Adobe Reader or compatible PDF viewer. ⚙️ Engine Specifications Primary Engine Engine Designation: Saab H-Engine Engine Configuration: Inline 4-cylinder Displacement Na: 2.0 Liters (1985 cc) Displacement Turbo: 2.0 Liters (1985 cc) Turbocharged; 2.3 Liters (2290 cc) Turbocharged Performance Horsepower Na: Approx. 124 hp (16-valve; B204I/B204E) Horsepower Turbo 20: Approx. 175 hp (16-valve Turbocharged; B204L) Horsepower Turbo 23: Approx. 185 hp (16-valve Turbocharged; B234L/B234R - Aero/SE models) Torque Na: Approx. 177 Nm (131 lb-ft) for 2.0L Torque Turbo 20: Approx. 265 Nm (195 lb-ft) for 2.0L Turbo Torque Turbo 23: Approx. 273 Nm (201 lb-ft) for 2.3L Turbo Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Bosch Motronic system commonly used. Fuel Type: Unleaded gasoline (91-95 RON recommended, especially for turbocharged models). Ignition System Ignition Type: Distributorless Ignition System (DIS) for turbocharged models, Distributor ignition for naturally aspirated models. 🔧 Transmission Standard Manual Transmission: 5-speed manual transmission. Optional Automatic Transmission: 4-speed automatic transmission (GM Y-body based). Features Traction Control: Traction Control System (TCS) available on some turbocharged models. Fluid Specifications Manual Transmission Fluid: Refer to manual for specific viscosity, likely SAE 75W-90 or 80W-90 GL-4/GL-5 gear oil. Automatic Transmission Fluid: Dexron II or equivalent (check manual for exact specification). 📐 Dimensions Exterior Body Styles: 3-door hatchback, 5-door hatchback, 2-door convertible. Weights Curb Weight Range: Approx. 1300-1500 kg (depending on engine and body style). 🛡️ Safety Features Ratings Crash Test Performance: Saab vehicles of this era were renowned for their safety. NG900 featured reinforced A-pillars, side-impact protection, and a strong safety cage. While specific NHTSA/Euro NCAP ratings for these exact years may vary, the underlying design prioritized occupant safety. Active Features Active Safety Features: Anti-lock Braking System (ABS) available on some models, Traction Control System (TCS) available on some turbocharged models. Passive Features Passive Safety Features: Driver and passenger airbags (often standard or optional depending on market/trim), seatbelt pre-tensioners, reinforced safety cage, side-impact beams, energy-absorbing steering column. 💡 Technology Features Infotainment Audio System: Factory-installed radio/cassette player, often with amplifier options. CD players were less common in early 1991-92 models but became available....