🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2007 Codes Chassis Code: GD/GG 👋 Introduction Market Position Segment: Compact/Small Family Car Key Selling Points: Symmetrical All-Wheel Drive, boxer engine, rally heritage, practicality. Competitive Analysis Competitors 2007: Honda Civic, Toyota Corolla, Mazda3, Volkswagen Golf, Mitsubishi Lancer. Key Features Vehicle Type: Compact car with available Sedan and Wagon (Hatchback) body styles. Drivetrain Standard: Symmetrical All-Wheel Drive (AWD) Engine Layout: Horizontally-opposed (Boxer) engine 📋 Manual Details Coverage Areas Primary Coverage: North America Secondary Coverage: Global markets (relevant technical specifications) Page Count Estimated Pages: 2000+ Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (likely PDF, though not explicitly stated, typical for such manuals) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, assembly, diagnosis, and repair of all engine variants. Engine Management: ECU, sensors, actuators, ignition system, fuel injection, emissions control. Transmission: Manual and Automatic transmission service, overhaul, diagnosis, and fluid specifications. Drivetrain: All-Wheel Drive (AWD) system, differentials, driveshafts, wheel bearings. Suspension: Front and rear suspension components, geometry, alignment, shock absorbers, springs. Brakes: Hydraulic system, ABS, brake pads, rotors, calipers, parking brake. Steering: Power steering system, steering rack, tie rods, alignment. Electrical System: Wiring diagrams, battery, charging system, starting system, lighting, accessories. HVAC: Heating, ventilation, and air conditioning system service, refrigerant. Body And Interior: Body panels, doors, windows, seats, trim, sound deadening. Diagnostics: OBD-II diagnostics, trouble codes (DTCs), sensor data analysis. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and changes, tire rotations. Scheduled Maintenance: Detailed schedules for major services at specific mileage intervals. Troubleshooting: Systematic diagnostic procedures for common and uncommon faults. Repair And Rebuild: Step-by-step instructions for component repair and full unit overhauls. Component Replacement: Detailed instructions for replacing all major and minor components. Specifications And Tolerances: Torque values, clearances, measurements for all adjustable components. Wiring Diagrams: Comprehensive and clearly labeled wiring schematics for all vehicle systems. Special Tools: Identification and usage of Subaru-specific tools for certain procedures. Technical Depth Depth: Comprehensive, suitable for professional technicians and advanced DIY enthusiasts. Diagnosis Level: Advanced diagnostics including sensor data interpretation and component testing. Rebuild Capability: Detailed procedures for full engine, transmission, and differential rebuilds. 📊 Manual Specifications File Format Format: PDF (Assumed) Searchability: Text-searchable (if a proper digital conversion) Print Quality Quality: High-resolution graphics and diagrams (if a proper digital conversion) Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Base: EJ253 (2.5L Naturally Aspirated) Engine Displacement Base: 2.5 Liters (2457 cc) Engine Configuration Base: Flat-4 (Boxer) Engine Aspirated Base: Naturally Aspirated Engine Horsepower Base: 173 hp @ 5600 rpm Engine Torque Base: 166 lb-ft @ 4000 rpm Performance Engine Code Turbo: EJ255 (2.5L Turbocharged - WRX) Engine Displacement Turbo: 2.5 Liters (2457 cc) Engine Configuration Turbo: Flat-4 (Boxer) Engine Aspirated Turbo: Turbocharged, Intercooled Engine Horsepower Turbo: 224 hp @ 5200 rpm (WRX) Engine Torque Turbo: 226 lb-ft @ 3600 rpm (WRX) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded gasoline (87 octane recommended for NA, 91 octane for WRX) Fuel Tank Capacity: 15.9 US gallons (60 liters) 🔧 Transmission Standard Type Base: 5-Speed Manual Optional Type Optional: 4-Speed Automatic Features AWD System Manual: Viscous-coupling limited-slip center differential with a 50/50 front/rear torque split. AWD System Automatic: Active All-Wheel Drive (Adaptive Transfer Clutch) - torque distribution varies. Transmission Fluid Manual: Subaru Extra-S Gear Oil (75W-90 GL-5) - Capacity: 2.2 L (Front), 1.4 L (Rear) Transmission Fluid Automatic: Subaru ATF-HP - Capacity: 7.4 L (Total Fill) 📐 Dimensions Exterior Length Sedan: 179.5 inches (4560 mm) Width: 68.5 inches (1740 mm) Height Sedan: 57.1 inches (1450 mm) Wheelbase: 103.0 inches (2615 mm) Ground Clearance: 5.7 inches (145 mm) (Standard Models) Track Width Front: 59.3 inches (1505 mm) Track Width Rear: 59.3 inches (1505 mm) Cargo Cargo Volume Sedan: 11.7 cu ft Cargo Volume Wagon: 33.5 cu ft (with rear seats up) Weights Curb Weight Base: Approx. 3100 lbs (1400 kg) Gross Vehicle Weight Rating: Approx. 4450 lbs (2018 kg) 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5-Star Driver, 4-Star Passenger (2007 Model Year) IIHS Front Crash Test: Good (2007 Model Year) IIHS Side Impact Test: Good (2007 Model Year) IIHS Rear Impact Test: Good (2007 Model Year) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available Traction Control System (TCS) on some trims Electronic Stability Control: Available Vehicle Dynamics Control (VDC) on some trims Passive Features Airbags Front: Standard Front Dual-Stage Airbags Airbags Side: Available Front Side-Impact Airbags Airbags Curtain: Available Front and Rear Side Curtain Airbags Seatbelts: 3-point height-adjustable front seatbelts with pre-tensioners and force limiters. 💡 Technology Features Infotainment Head Unit: Standard AM/FM/CD stereo with optional premium audio and subwoofer. Display: Basic LCD display for audio and climate information. Driver Assistance Cruise Control: Standard electronic cruise control. Auto...