🏷️ Basic Information Identification Make: Subaru Model: Impreza Years Covered: 1997, 1998 Codes Chassis Codes: GC, GF, GM (Sedan, Coupe, Wagon) 👋 Introduction Market Position Segment: Compact/Small Family Car, known for its sporty handling and AWD capabilities. Competitive Analysis Competitors: Honda Civic, Toyota Corolla, Mitsubishi Lancer, Ford Escort, Nissan Sentra. Key Features All Wheel Drive: Standard Symmetrical All-Wheel Drive across most trims, a significant differentiator. Performance Variants: Introduction of the WRX STI model in this generation, setting benchmarks for performance compacts. Manual Value Benefit To Owner: Empowers owners with the knowledge to perform maintenance, troubleshoot issues, and understand complex systems, potentially saving on repair costs and extending vehicle life. 📋 Manual Details Coverage Areas Primary Coverage: Complete Workshop Manual Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: 2.2L EJ22, 2.5L EJ25D (Naturally Aspirated and Turbocharged EJ257 for WRX STI variants, though primary focus is NA and EJ25D for standard models) Transmission: 5-Speed Manual (Aisin), 4-Speed Automatic (JATCO) Drivetrain: All-Wheel Drive (Symmetrical AWD) system diagnosis and repair Suspension: Front MacPherson struts, Rear multi-link independent suspension, alignment specifications Brakes: Front and Rear disc brakes, ABS system diagnosis and repair Steering: Power assisted rack and pinion steering system Electrical: Complete wiring diagrams, component locations, fuse/relay information, diagnostic procedures HVAC: Air conditioning, heating, ventilation system diagnosis and repair Bodywork: Exterior and interior trim removal/installation, panel repair, glass replacement Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug service, timing belt replacement Diagnostics: Troubleshooting guides, fault code interpretation (OBD-I/OBD-II), component testing Repair: Engine mechanical repairs, transmission overhaul, brake caliper replacement, suspension component replacement, electrical component repair Overhaul: Engine and transmission rebuild procedures, torque specifications Calibration: Wheel alignment specifications, steering angle sensor calibration (if applicable) Technical Depth Depth: Comprehensive, suitable for professional technicians and advanced DIYers Detail Level: Step-by-step instructions, exploded views, diagrams, torque values, clearances 📊 Manual Specifications File Format Searchable Text: Yes Printable: Yes Print Quality Image Clarity: High-resolution, clear diagrams and illustrations Binding Type Digital Format Notes: Secure PDF, often with multi-device access options. Paper Type Physical Copy Notes: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine 2.2L Ej22: Naturally Aspirated, SOHC, 16-valve Boxer engine. Power: ~135-137 hp @ 5500-5800 rpm, Torque: ~140-145 lb-ft @ 4000-4400 rpm. 2.5L Ej25D: Naturally Aspirated, DOHC, 16-valve Boxer engine. Power: ~165-170 hp @ 5600-6000 rpm, Torque: ~162-166 lb-ft @ 4000-4400 rpm. Known for its dual overhead cams and slightly more power. Performance Ej257 Turbocharged: For WRX STI models, turbocharged EJ257, offering significantly higher horsepower and torque (specifics vary, but typically 270+ hp). Fuel System Injection Type: Multi-point Fuel Injection (MPI) Recommended Fuel: 87 Octane (91 Octane for Turbocharged STI variants) Cooling System Coolant Type: Subaru Super Coolant (Blue) or equivalent silicate-free OAT coolant. Lubrication Oil Capacity Ej22: Approx. 4.5 US quarts (4.3 Liters) with filter change. Oil Capacity Ej25D: Approx. 4.8 US quarts (4.5 Liters) with filter change. Recommended Oil: SAE 5W-30 API SG or SH (check owner's manual for specific viscosity based on temperature). Ignition System Spark Plugs: Specific NGK or Denso plugs; refer to manual for exact part numbers and gap. 🔧 Transmission Standard Manual Transmission: 5-speed manual gearbox (TY75 series typically) Optional Automatic Transmission: 4-speed automatic transmission (4EAT) Features AWD System: Viscous coupling center differential with front open differential (manual trans), Active front differential (auto trans standard, with viscous coupling center diff for AWD). Maintenance Manual Trans Fluid: API GL-5, SAE 75W-90 gear oil. Capacity approx. 2.1 liters. Auto Trans Fluid: Subaru ATF HP or Dexron III equivalent. Capacity approx. 4.4 liters for drain/fill. 📐 Dimensions Exterior Length: Approx. 170-174 inches (depending on body style) Width: Approx. 67 inches Height: Approx. 56-57 inches (sedan), 58-59 inches (wagon) Weights Curb Weight: Approx. 2800-3100 lbs (depending on configuration) Gross Vehicle Weight Rating: Refer to vehicle VIN plate or owner's manual. 🛡️ Safety Features Ratings NHTSA Front Crash: Generally good for its era, though specific ratings may vary by test and year. The manual will detail safety system components. IIHS Side Impact: Check individual year and trim for specific IIHS ratings. Active Features ABS: Anti-lock Braking System available on most models. Passive Features Airbags: Driver and front passenger airbags. Seatbelts: Three-point front and rear seatbelts, pretensioners for front seats. 💡 Technology Features Infotainment Audio System: Factory AM/FM/Cassette/CD player, speaker configurations vary by trim. Aftermarket upgrade guidance may be present. Driver Assistance Cruise Control: Available on higher trim levels. Connectivity OBD Ii Port: Introduced during this period, facilitating engine diagnostics. Manual covers OBD-I and early OBD-II interpretation. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750-7,500 miles or 6 months, depending on driving conditions (refer to manual for specifics). Timing Belt Replacement: Recommended every 105,000 miles or 7 years for EJ series engines. Crucial service. Coolant Flush: Every 30,000...