🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Year: 2005 Codes Chassis Code: GDB Engine Code Primary: EJ255 👋 Introduction Market Position Segment: Compact performance sedan/hatchback (World Rally eXtreme) Target Demographic: Enthusiast drivers seeking rally-inspired performance and all-wheel-drive capability Competitive Analysis Key Competitors: Mitsubishi Lancer Evolution, Honda Civic Si, Volkswagen GTI Key Features Performance Emphasis: Turbocharged boxer engine, symmetrical all-wheel drive, performance-tuned suspension Rally Heritage: Direct lineage from Subaru's World Rally Championship (WRC) success 📋 Manual Details Coverage Areas Primary Coverage: Repair and overhaul of Subaru Impreza WRX 2005 vehicles Target Audience: Technicians conversant with general automobile practices Page Count Estimated Pages: 1500+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Comprehensive engine diagnostics, repair, overhaul, timing belt replacement, turbocharger service, fuel injection system, ignition system, cooling system, lubrication system Transmission: Manual transmission (TY756) service, repair, clutch replacement, driveline components, differential service Brakes: Hydraulic brake system, ABS (Anti-lock Braking System) service, rotor and pad replacement, caliper repair, brake fluid specifications Suspension: Front and rear suspension systems, struts, springs, bushings, wheel alignment procedures, steering system service Electrical: Full electrical system schematics, wiring diagrams, fuse box layouts, starter motor, alternator, battery service, lighting systems, instrument cluster, ECU (Engine Control Unit) diagnostics Body And Chassis: Body panel removal and installation, door mechanisms, glass replacement, frame straightening (advanced), rust repair procedures HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system diagnosis, refrigerant handling, blower motor, evaporator, condenser service Fuel System: Fuel tank removal, fuel pump service, fuel filter replacement, fuel pressure testing Exhaust System: Exhaust manifold, catalytic converter, muffler service, exhaust leak diagnosis Cooling System: Radiator service, thermostat replacement, water pump repair, coolant specifications and bleeding procedures Procedures Included Maintenance: Scheduled maintenance, oil change procedures, filter replacements, spark plug replacement, fluid level checks and top-offs Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting for common drivability issues, electrical faults, and mechanical failures Repair: Step-by-step repair instructions for all major vehicle systems, including component removal, overhaul, and reassembly Overhaul: Complete engine and transmission overhaul procedures, including detailed disassembly and reassembly steps with torque specifications Diagnostics: On-Board Diagnostics (OBD-II) information, trouble code (DTC) definitions and clearing procedures, sensor testing and replacement Installation: Procedures for installing common aftermarket parts and replacement components (e.g., turbocharger upgrades, suspension components) Technical Depth Depth: Comprehensive, suitable for professional mechanics and advanced DIY enthusiasts, covering everything from routine maintenance to complete engine rebuilds. 📊 Manual Specifications File Format File Type: Digital PDF Searchability: Searchable text for quick information retrieval Print Quality: High-resolution, printable pages Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Horizontally-opposed turbocharged 4-cylinder (Boxer) Displacement: 2.5 Liters (2457 cc) Bore X Stroke: 99.5 mm x 79.0 mm Compression Ratio: 8.4:1 Valve Train: DOHC, 4 valves per cylinder Performance Horsepower: 227 hp @ 5600 rpm Torque: 236 lb-ft @ 3600 rpm Fuel System Fuel Delivery: Sequential multi-port fuel injection (MPI) Turbocharger: IHI VF38 (or similar) Fuel Type: Unleaded Premium (91 octane or higher recommended) Fluid Specifications Engine Oil Type: API SG, SH, SJ or SL, ILSAC GF-2, GF-3, or GF-4, SAE 5W-30 Fluid Capacities Engine Oil Capacity: 4.7 US quarts (4.4 liters) with filter 🔧 Transmission Standard Transmission Type: 5-speed Manual Optional Transmission Type: None (Manual only for WRX) Features Drivetrain: Symmetrical All-Wheel Drive (AWD) with front, center, and rear differentials Fluid Specifications Manual Transmission Fluid: API GL-4, SAE 75W-90 Fluid Capacities Manual Transmission Capacity: 2.2 US quarts (2.1 liters) 📐 Dimensions Exterior Length: 173.8 inches (4415 mm) Width: 69.9 inches (1775 mm) Height: 56.1 inches (1425 mm) Wheelbase: 101.4 inches (2575 mm) Front Track: 59.1 inches (1500 mm) Rear Track: 58.9 inches (1495 mm) Weights Curb Weight: 3131 - 3175 lbs (1420 - 1440 kg) depending on sedan/wagon and options Gross Vehicle Weight Rating: 4277 lbs (1940 kg) Cargo Trunk Volume Sedan: 11.6 cubic feet (328 liters) Cargo Volume Wagon: 30.1 cubic feet (852 liters) behind rear seats, 67.1 cubic feet (1900 liters) with rear seats folded 🛡️ Safety Features Ratings NHTSA Front Impact: 5 Stars (2005 Model Year) NHTSA Side Impact: 4 Stars (2005 Model Year) Active Features ABS: Standard (4-wheel, 4-channel ABS) Traction Control: Standard Passive Features Airbags: Driver and front passenger airbags, optional front side-impact airbags Seatbelts: 3-point front and rear seatbelts with pretensioners and force limiters 💡 Technology Features Infotainment Head Unit: Base factory AM/FM/CD stereo with optional premium sound system. Display: Minimalist dashboard, typically no central color display; basic digital odometer and warning lights. Driver Assistance Cruise Control: Standard Stability Control: No electronic stability control (VDC) on the WRX model for this year; focus is on mechanical grip. Connectivity Auxiliary Input: Not standard on base models; aftermarket solutions common. Performance Electronics Engine Management: ECU (Engine Control Unit) with programmable parameters for engine timing and fuel...