🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Year: 1997-1998 Codes Chassis Code: GC8 Engine Code: EJ20G (Turbocharged) 👋 Introduction Market Position Positioning: Performance-oriented rally homologation special, a sub-segment leader for affordable performance and rallying heritage. Competitive Analysis Competitors: Mitsubishi Lancer Evolution (though Evo IV was contemporary, Evo III was more direct competitor), Ford Escort RS Cosworth (older), Rally variants of other compact sedans. Key Features Features: Symmetrical All-Wheel Drive, turbocharged boxer engine, performance suspension tuning, aggressive styling, rally-bred pedigree. Target Audience Audience: Enthusiasts, rally fans, DIY mechanics, and owners seeking in-depth knowledge for maintenance and modification. 📋 Manual Details Coverage Areas Coverage: Complete factory service and repair for 1997-1998 Subaru Impreza WRX Page Count Pages: Hundreds (Exact count not specified but implied to be comprehensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Detailed diagnosis, repair, overhaul, and specifications for the EJ20G turbocharged engine. Transmission: Service and repair procedures for the manual transmission (likely 5-speed). Includes clutch, gearbox, and drivetrain components. Suspension: Front and rear suspension systems, including struts, control arms, bushings, and alignment specifications. Brakes: Hydraulic brake system, including master cylinder, brake lines, calipers, pads, rotors, and ABS (if equipped). Electrical: Full wiring diagrams, component testing, diagnosis of electrical faults, lighting, ignition, starting, charging, and accessory systems. Fuel System: Fuel injection system, fuel pump, injectors, fuel pressure regulation, and emissions control components. Cooling System: Radiator, water pump, thermostat, hoses, and fan operation. Exhaust System: Catalytic converter, mufflers, and exhaust manifold diagnosis and repair. Body And Chassis: Body panel repair, interior trim removal, glass replacement, and chassis components. HVAC: Heating, ventilation, and air conditioning system components and service. Procedures Included Maintenance: Scheduled maintenance procedures, fluid changes, filter replacements, and tune-up specifications. Troubleshooting: Detailed diagnostic flowcharts and procedures for identifying and resolving common issues. Repair: Step-by-step instructions for component replacement and repair across all major systems. Rebuild: Overhaul procedures for the engine and transmission, including torque specifications and tolerances. Installation: Guidance for installing replacement parts and performing upgrades. Wiring Diagrams: Comprehensive and detailed electrical wiring schematics for all vehicle circuits. Technical Depth Depth: Comprehensive, covering basic maintenance to advanced engine and transmission rebuilds, electrical diagnostics, and bodywork. 📊 Manual Specifications File Format Format: PDF Print Quality Quality: High-resolution, allowing for clear printing of diagrams and text. Binding Type Binding: N/A (Downloadable PDF implies digital format, printable) Paper Type Paper: N/A (Downloadable PDF implies digital format, printable) Searchability Searchable: Typically PDF manuals are searchable by text. Software Requirements Software: PDF reader software (e.g., Adobe Acrobat Reader) ⚙️ Engine Specifications Primary Engine Engine Type: Horizontally-opposed (Boxer) 4-cylinder, turbocharged, intercooled Displacement: 1994cc (2.0 Liters) Bore X Stroke: 92.0 mm x 75.0 mm Compression Ratio: 8.0:1 Engine Code: EJ20G Performance Horsepower Ps: 240 PS @ 6000 rpm (approx.) Torque Nm: 304 Nm @ 4000 rpm (approx.) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) with Multi-point injection (MPI) Fuel Type: Unleaded gasoline (premium, high octane recommended) Ignition System Ignition Type: Distributorless ignition system (DIT) Turbocharger Turbocharger Model: IHI VF23 (or similar depending on market variant) Cooling System Coolant Capacity Liters: Approx. 7.3 Liters Lubrication System Oil Capacity Liters: Approx. 4.2 Liters (with filter) Oil Grade: 10W-30 or 10W-40 API SG/SH (refer to manual for specific climate recommendations) 🔧 Transmission Standard Type: 5-speed Manual Transmission Drive Layout: Symmetrical All-Wheel Drive (AWD) Optional Type: N/A (WRX models of this era were primarily manual) Features Center Differential: Viscous coupling limited-slip center differential Rear Differential: Limited-slip rear differential (LSD) Fluid Specifications Manual Transmission Fluid: API GL-5 75W-90 Gear Oil (refer to manual for Subaru genuine part number) 📐 Dimensions Exterior Length Mm: Approx. 4350 mm Width Mm: Approx. 1735 mm Height Mm: Approx. 1405 mm Wheelbase Mm: Approx. 2520 mm Track Width Front Mm: Approx. 1470 mm Track Width Rear Mm: Approx. 1465 mm Weights Curb Weight Kg: Approx. 1300-1350 kg (varies by trim and equipment) Gross Vehicle Weight Rating Kg: Not explicitly stated in product info, but manual will contain this. Wheels And Tires Wheel Size: 16-inch or 17-inch alloy wheels (common) Tire Size Standard: 205/55R16 or 215/40R17 (common, refer to manual for definitive specs) Bolt Pattern: 5x100mm 🛡️ Safety Features Ratings NHTSA Ratings: N/A (Not tested by NHTSA in the modern era for this specific model year) Active Features AWD: Subaru's Symmetrical All-Wheel Drive system provides enhanced traction and stability. ABS: Anti-lock Braking System (ABS) was often optional or standard on WRX models of this era. Passive Features Airbags: Driver and passenger airbags (standard) Seatbelts: 3-point seatbelts with pretensioners Chassis Design: Reinforced safety cell, crumple zones. 💡 Technology Features Infotainment System: Basic AM/FM radio with cassette player and CD player (optional on some trims). Limited digital integration. Driver Assistance Features: Primarily mechanical driver aids like AWD and ABS (if equipped). No electronic stability...