🏷️ Basic Information Identification Make: Subaru Model: Legacy Year: 1991 Codes Chassis Code: BC/BF/BJ 👋 Introduction Market Position Vehicle Segment: Mid-size Sedan/Wagon Usp: Standard All-Wheel Drive (AWD), reputation for reliability and durability Competitive Analysis Competitors: Toyota Camry, Honda Accord, Mazda 626, Nissan Stanza Key Features Powertrain Emphasis: Horizontally-opposed (Boxer) engine, Symmetrical All-Wheel Drive Design Philosophy: Functional, symmetrical engineering for stability and traction Manual Value Benefit For Technicians: Provides factory-level accuracy for efficient diagnostics and repairs. Benefit For Enthusiasts: Empowers owners with the knowledge to perform complex maintenance and repairs, saving money and understanding their vehicle deeply. 📋 Manual Details Coverage Areas Manual Type: Factory Service Manual / Repair Manual Language: English Format: PDF Download Page Count: Estimated 1000+ pages (typical for factory service manuals of this era) 📖 Manual Coverage Systems Covered Engine: Complete engine overhaul, tuning, fuel injection, ignition system, cooling system, lubrication system Transmission: Manual (5-speed), Automatic (4-speed) overhaul, adjustment, and repair; clutch system Drivetrain: All-Wheel Drive (AWD) system, differentials, driveshafts, CV joints Suspension: Front MacPherson struts, Rear independent suspension, shock absorbers, springs, bushings, alignment procedures Brakes: Front ventilated discs, Rear discs/drums (model dependent), ABS (if equipped), hydraulic system, parking brake Steering: Power steering system, steering rack, tie rods, steering column Electrical: Wiring diagrams, charging system, starting system, lighting, gauges, instrumentation, power windows, door locks, ECU diagnostics Bodywork: Body panel repair, interior trim, glass replacement, corrosion prevention HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis and repair Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, spark plug replacement, belt adjustments Troubleshooting: Diagnostic procedures, common problems and their solutions, DTC (Diagnostic Trouble Code) interpretation (for applicable systems) Repair: Step-by-step repair instructions for all major vehicle systems, component removal and installation Diagnostics: Engine diagnostics, electrical system troubleshooting, component testing Specifications: Torque specifications, fluid capacities, tolerances, wear limits Technical Depth Depth Level: Comprehensive (from basic maintenance to complete engine and transmission rebuilds) Target Audience: Professional Technicians, experienced DIY enthusiasts 📊 Manual Specifications File Format File Type: Digital PDF Searchable: Yes (typically, depending on scan quality) Printable: Yes Resolution: High-resolution scans ensuring clarity of diagrams and text Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code 1: EJ22 Engine Type 1: Naturally Aspirated, SOHC Boxer-4 Displacement 1: 2.2 Liters (2212 cc) Bore X Stroke 1: 92.0 mm x 83.0 mm Compression Ratio 1: 9.5:1 Horsepower 1: 110 hp @ 5000 rpm Torque 1: 137 lb-ft @ 4000 rpm Fuel System 1: Multi-point Fuel Injection (MPI) Engine Variants Engine Code 2: EJ22T (Turbocharged) Engine Type 2: Turbocharged, SOHC Boxer-4 Horsepower 2: 165 hp @ 5600 rpm Torque 2: 181 lb-ft @ 3200 rpm Fuel System 2: Multi-point Fuel Injection (MPI) with Turbocharger Fuel Type Recommended Fuel: Unleaded Regular (87 Octane), Premium for Turbo models is recommended 🔧 Transmission Standard Transmission Type Std: 5-speed Manual Drivetrain Std: Symmetrical All-Wheel Drive (AWD) Optional Transmission Type Opt: 4-speed Automatic Drivetrain Opt: Full-time All-Wheel Drive (AWD) with Lockable Center Differential Features Clutch Type: Dry, Single Plate Transmission Fluid Manual: API GL-4, SAE 75W-90 Gear Oil Transmission Fluid Automatic: Subaru ATF-HP or equivalent DEXRON-III/MERCON 📐 Dimensions Exterior Wheelbase: 101.4 inches (2575 mm) Length: 178.1 inches (4525 mm) Width: 67.1 inches (1705 mm) Height: 55.3 inches (1405 mm) (Sedan) / 58.1 inches (1475 mm) (Wagon) Weights Curb Weight Min: Approx. 2760 lbs (1250 kg) (2.2L Manual Sedan) Curb Weight Max: Approx. 3100 lbs (1406 kg) (2.2L Turbo Automatic Wagon) Gross Vehicle Weight Rating: Varies by model and configuration Towing Capacity: Not specified by manufacturer for this model year 🛡️ Safety Features Ratings NHTSA Frontal Impact: Not rated by NHTSA in 1991 IIHS Crash Tests: Not tested by IIHS in 1991 Active Features ABS: Optional on some models AWD System: Standard Symmetrical All-Wheel Drive Passive Features Airbags: Driver-side airbag standard on most models Seatbelts: 3-point front seatbelts, 2-point rear seatbelts (later models may have 3-point rear) Crumple Zones: Designed with front and rear crumple zones 💡 Technology Features Infotainment Audio System: Factory AM/FM Cassette player, optional CD player on higher trims Speakers: Typically 4 to 6 speakers depending on trim level Driver Assistance Cruise Control: Optional Connectivity Connectivity Features: None from factory (pre-internet era) 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000 - 5,000 miles (5,000 - 8,000 km) or 6 months, whichever comes first Air Filter Replacement: Every 15,000 - 30,000 miles (24,000 - 48,000 km) Spark Plug Replacement: Every 30,000 miles (48,000 km) Timing Belt Replacement: Every 60,000 miles (96,000 km) or 4 years (critical for interference engines) Coolant Flush: Every 2 years or 30,000 miles (48,000 km) Fluid Specifications Engine Oil Capacity: 4.7 US quarts (4.4 liters) with filter (EJ22) Engine Oil Viscosity: 10W-30 or 10W-40 recommended for most climates Coolant Type: Ethylene Glycol based coolant, 50/50 mix with distilled water Brake...