🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Codes Chassis Code: GC8 Generation Generation Code: GC/GF 👋 Introduction Market Position Segment: Performance Compact Sedan/Coupe (World Rally Car homologation special). Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Ford Escort RS Cosworth, Toyota Celica GT-Four. Key Features Performance Focus: Emphasis on rally-bred performance, turbocharged engine, all-wheel drive, and robust chassis. 📋 Manual Details Coverage Areas Supported Years: 1993, 1994, 1995, 1996 Page Count Total Pages: 539 Manual Type Type: Workshop Service Repair Manual Completeness: Complete Official Workshop Manual Language Language: English Format Format: PDF (Digital Download) Delivery: Instant Digital Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, crankshaft, pistons, connecting rods, timing components, lubrication system, cooling system. Engine Performance: Fuel injection, ignition system, turbocharger, intercooler, emission control systems. Transmission Drivetrain: Manual transmission (5-speed), clutch system, transfer case, driveshafts, differentials. Suspension Steering: Front and rear suspension components, shock absorbers, springs, bushings, steering rack, power steering system. Brakes: Front and rear disc brakes, ABS system (if equipped), brake lines, master cylinder, calipers. Electrical Electronics: Battery, charging system, starter motor, lighting, instrumentation, body control modules, wiring diagrams, ECU. Body Chassis: Body construction, exterior trim, doors, hood, trunk, glass, interior trim, chassis components. HVAC: Heating, ventilation, and air conditioning system components and servicing. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement. Engine Repair: Engine overhaul, cylinder head gasket replacement, piston and ring replacement, valve adjustments, turbocharger servicing. Transmission Repair: Clutch replacement, transmission disassembly and reassembly, gearbox troubleshooting. Brake System Service: Brake pad and rotor replacement, caliper servicing, bleeding the brake system. Electrical Diagnostics: Troubleshooting electrical faults using wiring diagrams, component testing, sensor diagnosis. Troubleshooting: Diagnostic procedures, common fault diagnosis, repair strategies. Body Repair: Body panel alignment, door and window servicing, rust repair guidelines, bumper replacement. HVAC Service: AC system recharging, component replacement (compressor, evaporator), heater core servicing. Wheel Tire Service: Wheel bearing replacement, tire rotation, wheel alignment specifications. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and drivetrain rebuilds. Detailed diagnostic procedures and specifications. Diagnostic Charts: Includes detailed diagnostic flowcharts for common problems. 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF with clear text and diagrams. Searchability: Fully searchable text for quick information retrieval. Print Quality Printability: Printable pages for convenient workshop use. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: EJ20G Engine Type: 2.0L Flat-4 (Boxer) DOHC Turbocharged Performance Horsepower: Approx. 237 hp @ 6000 rpm (JDM spec) Torque: Approx. 240 lb-ft @ 4000 rpm (JDM spec) Fuel System Injection Type: Multi-point Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Turbocharger Turbo Model: IHI VF series (specific model varies by market/trim) Intercooler Intercooler Type: Top-mounted air-to-air intercooler 🔧 Transmission Standard Transmission Type: 5-speed Manual Transmission Optional Transmission Type: N/A for WRX models of this era Features Drivetrain: Symmetrical All-Wheel Drive (AWD) 📐 Dimensions Exterior Body Styles: 4-door Sedan (GC), 2-door Coupe (GC), 5-door Wagon (GF) Wheelbase: 2530 mm (99.6 in) Length: 4350 - 4420 mm (171.3 - 174.0 in) depending on body style Width: 1690 mm (66.5 in) Height: 1405 - 1440 mm (55.3 - 56.7 in) depending on body style Weights Curb Weight: Approx. 1300 - 1350 kg (2866 - 2976 lbs) 🛡️ Safety Features Ratings Crash Test Data: Limited official ratings for this specific early generation WRX; focus on structural integrity for rally use. Active Features Braking System: Standard 4-wheel disc brakes; optional ABS available on some models. Passive Features Airbags: Driver's airbag typically standard; passenger airbag optional or model dependent. 💡 Technology Features Infotainment System Type: Basic factory AM/FM cassette player with optional CD player. Driver Assistance Features: Limited; focus on mechanical performance rather than electronic aids. ABS was optional on some models. Connectivity Features: N/A (No factory Bluetooth or USB connectivity) 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 miles or 3-6 months, depending on driving conditions. Timing Belt: Replace every 60,000-100,000 miles or 7-10 years (critical component). Fluid Specifications Engine Oil: API SG or higher, SAE 10W-30 or 10W-40 recommended (consult manual for exact specs). Coolant: Subaru Super Coolant or equivalent ethylene glycol-based coolant. Transmission Fluid Manual: API GL-5, SAE 75W-90 synthetic gear oil. Differential Fluid Front: API GL-5, SAE 75W-90 synthetic gear oil. Differential Fluid Rear: API GL-5, SAE 75W-90 synthetic gear oil (check for limited-slip if applicable). Known Issues Engine Head Gaskets: While more prevalent in later naturally aspirated models, early EJ20G engines can experience head gasket issues with age and high performance use. Turbocharger Wear: Turbocharger can experience wear over time, especially with improper maintenance or abuse. Oil leaks and loss of boost are common symptoms. Clutch Wear: Performance driving can lead to accelerated clutch wear. Suspension Bushings: Rubber bushings in...