🏷️ Basic Information Identification Make: Subaru Model: WRX Model Variant: GC8 Platform Codes Chassis Code: GC8 Engine Code Primary: EJ20G Engine Code Secondary: EJ20K (later models) 👋 Introduction Market Position Positioning: Performance sedan and rally homologation special, appealing to enthusiasts and motorsport participants. Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Ford Focus RS, VW Golf GTI, Honda Civic Type R (though often in different segments). Key Features Drivetrain Technology: Symmetrical All-Wheel Drive (SAWD) with Driver Controlled Center Differential (DCCD) in some variants. Engine Technology: Horizontally opposed (Boxer) turbocharged engine for low center of gravity and balance. Performance Focus: Designed for agile handling, strong acceleration, and rally-bred performance capabilities. 📋 Manual Details Coverage Areas Model Years Covered: 1999, 2000 Regions Covered: Global (specifics may vary by market documentation) Page Count Estimated Page Count: 1500+ Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Ignition System, Exhaust System, Turbocharger System, Cooling System, Lubrication System, Engine Mechanical, Engine Control System (ECU) Drivetrain: Transmission (Manual & Automatic), Clutch, Drivetrain Components (Driveshafts, Differentials), All-Wheel Drive System (VDC - Vehicle Dynamics Control where applicable) Chassis: Suspension System (Front & Rear), Steering System, Brake System (ABS included) Electrical: Wiring Diagrams, Lighting System, Ignition System, Charging System, Starting System, Power Accessories, Instrument Cluster, ECUs and Sensors Body: Body Panels, Doors, Hood, Trunk, Interior Trim, Exterior Trim, Glass, Seals Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Spark Plug Replacement, Fluid Level Checks and Replacements Troubleshooting: Diagnostic Procedures, Fault Code Interpretation, Symptom-Based Troubleshooting Guides Repair: Engine Rebuilding, Transmission Overhaul, Brake System Repair, Suspension Component Replacement, Electrical Component Diagnosis and Repair Installation: Component Installation and Removal Procedures (e.g., turbocharger replacement, clutch replacement) Technical Depth Depth: Comprehensive from basic adjustments to complete engine and transmission rebuilds Diagnostics: Detailed diagnostic flowcharts and explanations for various systems Specifications: Torque specifications, clearances, tolerances, fluid capacities, electrical resistance values 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Searchability: Text-searchable (OCR layer) Print Quality Image Resolution: High-resolution diagrams and images suitable for printing Binding Type Digital Binding: N/A (Digital Download) Paper Type Digital Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Horizontally-Opposed (Boxer), 4-Cylinder, DOHC, 16-Valve, Turbocharged Displacement: 1994 cc (2.0 Liters) Bore X Stroke: 92.0 mm x 75.0 mm Compression Ratio: 8.5:1 Performance Horsepower Ps: 208-218 PS (approx. 205-215 hp) depending on market and specific engine variant (EJ20G/EJ20K) Torque Nm: 250-270 Nm (approx. 184-199 lb-ft) depending on market and specific engine variant Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) with Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (Premium Recommended) Turbocharger Turbocharger Type: Water-Cooled, Twin-Scroll Turbocharger (e.g., IHI VF22/VF23 variants) 🔧 Transmission Standard Transmission Type Standard: 5-Speed Manual Optional Transmission Type Optional: 4-Speed Automatic (less common and performance-oriented) Features All Wheel Drive: Symmetrical All-Wheel Drive (SAWD) with viscous coupling center differential. Dccd Availability: Driver Controlled Center Differential (DCCD) available on select performance variants (e.g., Type RA, limited editions). 📐 Dimensions Exterior Length Mm: 4350-4415 mm Width Mm: 1700-1730 mm Height Mm: 1400-1430 mm Wheelbase Mm: 2530 mm Weights Curb Weight Kg: 1250-1350 kg 🛡️ Safety Features Ratings NHTSA Rating: Not widely available or consistent for this era/specific model globally. Focus on design intent. Active Features ABS: Anti-lock Braking System (ABS) standard on most models. Vdc Availability: Vehicle Dynamics Control (VDC) introduced on some later models in this generation. Passive Features Airbags: Driver and Front Passenger Airbags. Seatbelts: 3-point Inertia-reel seatbelts with pre-tensioners. 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player with 4-6 speakers (market dependent). Display: Basic digital or analog climate controls and instrument cluster displays. Driver Assistance Cruise Control: Standard cruise control system. Connectivity Connectivity Features: Limited to basic auxiliary inputs or cassette adapters for aftermarket audio upgrades. 🔧 Maintenance Service Intervals Oil Change Interval Km: 5,000 - 7,500 km (or 3-6 months, depending on driving conditions) Timing Belt Replacement Km: 100,000 km (crucial for EJ series engines) Fluid Specifications Engine Oil Type: API SG/SH/SJ or ACEA A2/A3, Viscosity SAE 5W-30 or 10W-40 (refer to manual for specific conditions) Coolant Type: Subaru Super Coolant (Blue) or equivalent ethylene glycol-based antifreeze mixed 50/50 with distilled water. Transmission Fluid Manual: API GL-5, SAE 75W-90 Hypoid Gear Oil Transmission Fluid Automatic: Subaru ATF-HP or equivalent (Dexron III might be acceptable but consult manual for best match) Differential Fluid: API GL-5, SAE 75W-90 Hypoid Gear Oil (Front and Rear) Known Issues Head Gaskets: While less prevalent than later generations, early EJ engines can experience head gasket leaks if overheated or poorly maintained. Turbocharger Wear: Turbocharger seals and bearings can wear over time, especially with aggressive driving or inadequate lubrication. Clutch Wear: Due to performance nature and AWD, clutch wear can be accelerated with spirited driving. Oil Consumption: Some EJ engines may exhibit...