🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Year: 2007 Codes Chassis Code: GD/GG Engine Code Prefix: EJ 👋 Introduction Market Position Segment: Compact Performance Sedan/Wagon (World Rally Blue, Aspen White, Obsidian Black, Steel Silver) Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Volkswagen Golf GTI, Mazdaspeed3 Key Features Performance Focus: Tuned for rally-inspired performance, turbocharged boxer engine, all-wheel drive. Tuning Potential: Known for its robust engine and drivetrain, making it a popular platform for modification and tuning. 📋 Manual Details Coverage Areas Coverage: Full vehicle repair and service Page Count Page Count: 3106 Manual Type Type: Workshop Service Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed procedures for engine disassembly, inspection, repair, and reassembly, including cylinder head, block, pistons, crankshaft, camshafts, valves, timing belt, and oil pump. Engine Electrical: Wiring diagrams, component location, diagnostic procedures for ignition system, fuel injection, starting and charging system, sensors, and ECU. Transmission Manual: Complete service and repair for the 5-speed manual transmission (TY757), including clutch operation, gearbox disassembly, and component replacement. Transmission Automatic: Service and repair for the optional 4-speed automatic transmission (TZ1A5), including torque converter, valve body, and transmission control module. Drivetrain AWD: Information on the Subaru Symmetrical All-Wheel Drive system, including center differential, rear differential, and drivetrain components. Suspension: Front and rear suspension systems, including struts, springs, control arms, sway bars, and alignment procedures. Brakes: Front and rear brake systems (including performance Brembo brakes on some models), ABS, parking brake, bleeding procedures, and component replacement. Steering: Power steering system, steering rack, tie rods, and wheel alignment specifications. Cooling System: Radiator, thermostat, water pump, cooling fan operation, and coolant specifications. Fuel System: Fuel pump, fuel injectors, fuel filter, fuel pressure regulator, and evaporative emissions control system. Exhaust System: Exhaust manifold, catalytic converter, muffler, and O2 sensors. Body Exterior: Body panels, doors, hood, trunk, bumpers, and glass replacement. Body Interior: Dashboard, seats, trim panels, headliner, and interior components. HVAC: Heating, Ventilation, and Air Conditioning system, including compressor, condenser, evaporator, and refrigerant. Electrical Accessories: Lighting, wipers, horn, power windows, central locking, and audio system. Safety Systems: Airbags, seatbelt pre-tensioners, and ABS. Procedures Included Routine Maintenance: Detailed instructions for oil changes, filter replacements, fluid checks and changes, spark plug replacement, and belt inspections. Diagnostics Troubleshooting: Systematic diagnostic procedures, fault code interpretation (OBD-II), and troubleshooting guides for common and uncommon issues. Repair Rebuild: Step-by-step repair and rebuild procedures for all major vehicle components, including engine, transmission, differentials, and suspension. Component Replacement: Instructions for replacing individual parts and components, such as alternators, starters, water pumps, brake pads, and body panels. Alignment Adjustment: Wheel alignment specifications and adjustment procedures. Electrical Diagnostics: Using multimeters, oscilloscopes, and diagnostic scanners for electrical system troubleshooting. Turbocharger Service: Specific procedures for the maintenance and repair of the IHI VF39 turbocharger. Engine Timing: Precise instructions for setting and verifying engine timing. Technical Depth Depth: Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic information. 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF with clear text and diagrams. Print Quality Printability: Fully printable, allowing users to print specific sections or the entire manual. Binding Type Digital Binding: N/A (Digital PDF) Paper Type Digital Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Horizontally-Opposed (Boxer), Turbocharged, Intercooled DOHC Displacement: 2.5 Liters (2457 cc) Engine Code: EJ255 Performance Horsepower: 224 hp @ 5600 rpm (USDM) Torque: 250 lb-ft @ 3600 rpm (USDM) Fuel System Fuel Delivery: Sequential multi-port fuel injection (MPI) Fuel Type: Unleaded Premium Gasoline (91 Octane or higher recommended) Turbocharger Turbo Model: IHI VF39 Intercooler Type: Top-mounted air-to-air intercooler 🔧 Transmission Standard Type: 5-Speed Manual (TY757) Optional Type: 4-Speed Automatic (TZ1A5) Features AWD System: Subaru Symmetrical All-Wheel Drive with viscous coupling center differential (manual) or electronically controlled multi-plate clutch (automatic). 📐 Dimensions Exterior Length: 173.8 inches Width: 69.7 inches Height: 57.1 inches Wheelbase: 104.0 inches Ground Clearance: 5.1 inches Weights Curb Weight Manual: 3175 lbs Curb Weight Automatic: 3290 lbs 🛡️ Safety Features Ratings NHTSA Front Driver: Good NHTSA Front Passenger: Good IIHS Side Impact: Acceptable Active Features ABS: Standard, 4-wheel disc anti-lock braking system Traction Control: Standard Passive Features Airbags Front: Standard front dual-stage airbags Airbags Side: Optional front side-impact airbags Seatbelts: 3-point front and rear seatbelts with pre-tensioners and force limiters 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player with 4 or 6 speakers. Steering wheel audio controls available on some trims. Driver Assistance Cruise Control: Standard cruise control system. Connectivity OBD Ii: Standard OBD-II port for diagnostic scanning, covered extensively in the manual. 🔧 Maintenance Service Intervals Oil Change: Every 3,750 miles or 6 months (severe driving) / 7,500 miles or 12 months (normal driving) - recommended to follow manual for specific conditions. Timing Belt: Replace every 90,000 - 105,000 miles or 7 years. Critical due to...