🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2005 Codes Chassis Code: GDB Platform Code: GD/GG 👋 Introduction Market Position Segment: Compact/Sport Compact Usp: Standard Symmetrical All-Wheel Drive (AWD) system, rally-inspired performance heritage. Competitive Analysis Competitors: Honda Civic Si, Mitsubishi Lancer Evolution, Mazda3, Volkswagen GTI. Key Features Driving Dynamics: Renowned for its balanced handling and grip due to AWD and Subaru's chassis engineering. Performance Variants: Includes WRX and STI models, offering turbocharged performance and enhanced handling. 📋 Manual Details Coverage Areas Diagnostic Procedures: Comprehensive diagnostic procedures for all major systems, including OBD-II troubleshooting. Repair Procedures: Detailed step-by-step repair instructions for engine, transmission, drivetrain, suspension, steering, brakes, HVAC, and electrical systems. Maintenance Procedures: Routine maintenance schedules and procedures for oil changes, fluid checks, filter replacements, and inspections. Wiring Diagrams: Full electrical system wiring diagrams for all circuits and components. Technical Data Tables: Extensive tables for specifications, torques, capacities, and diagnostic trouble codes (DTCs). Body And Frame: Body panel removal/installation, frame straightening data, and interior trim procedures. Special Tools: Identification and usage instructions for Subaru-specific special service tools. Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual (FSM) Primary Purpose: Vehicle Service and Repair Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, fuel injection (MPI), ignition system, lubrication, cooling, emissions control, turbocharger (if applicable). Transmission Systems: Manual transmission (5-speed, 6-speed), automatic transmission (4-speed), clutch system, transfer case, differential components. Drivetrain Systems: All-Wheel Drive (AWD) system, drive shafts, CV joints, propeller shafts, wheel hubs. Suspension And Steering: Front and rear suspension (struts, control arms, stabilizer bars), power steering system, steering column, wheel alignment specifications. Braking Systems: Front and rear disc brakes, ABS (Anti-lock Braking System), brake fluid, parking brake. Electrical Systems: Battery, charging system, starter motor, lighting, wipers, horn, power windows, central locking, instrument cluster, audio system, ECUs. HVAC Systems: Air conditioning, heating, ventilation, climate control. Body And Interior: Doors, hood, trunk, bumpers, fenders, interior trim panels, seats, airbags. Procedures Included Engine Repair: Engine overhaul, piston/ring replacement, cylinder head service, valve adjustment, timing belt/chain replacement, turbocharger rebuild. Transmission Repair: Manual and automatic transmission overhaul, clutch replacement, differential service, gear ratio changes. Brake Service: Brake pad/rotor replacement, caliper service, bleeding procedures, ABS component replacement. Electrical Diagnostics: Troubleshooting intermittent electrical faults, sensor testing, actuator testing, ECU diagnostics. Suspension And Steering Repair: Strut replacement, ball joint replacement, tie rod end replacement, power steering pump/rack service. Troubleshooting Guides: System-specific troubleshooting flowcharts for common drivability and performance issues. Body Repair: Panel alignment, door hinge adjustment, weatherstrip replacement, glass replacement. Technical Depth Depth: Complete factory-level repair and diagnostic information, suitable for professional technicians and advanced DIY enthusiasts. Diagnostics: In-depth diagnostic procedures, including sensor data interpretation, actuator testing, and ECU reprogramming guidance. Rebuilds: Detailed instructions for complete engine and transmission rebuilds, including part specifications and assembly clearances. 📊 Manual Specifications File Format File Type: PDF Searchability: Fully searchable text content for quick information retrieval. Print Quality Resolution: High-resolution, clear images, diagrams, and text for easy readability and printing. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Na: EJ253 (2.5L SOHC NA) Engine Code Turbo: EJ205 (2.0L DOHC Turbo - WRX), EJ255 (2.5L DOHC Turbo - WRX), EJ257 (2.5L DOHC Turbo - STI) Performance Horsepower Na: 165 hp @ 5600 rpm (approximate, varies by market/spec) Torque Na: 170 lb-ft @ 4000 rpm (approximate, varies by market/spec) Horsepower Wrx: 227 hp @ 6000 rpm (EJ205/EJ255) Torque Wrx: 217-235 lb-ft @ 4000 rpm (EJ205/EJ255) Horsepower Sti: 300 hp @ 6000 rpm (EJ257) Torque Sti: 300 lb-ft @ 4000 rpm (EJ257) Fuel System Injection Type: Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded gasoline (91+ octane recommended for turbo models) Engine Layout Layout: Horizontally-Opposed ('Boxer') Cylinders: 4 🔧 Transmission Standard Transmission Type: 5-Speed Manual Optional Transmission Type Auto: 4-Speed Automatic Features AWD System: Symmetrical All-Wheel Drive (AWD) with viscous coupling center differential (manual) or electronically controlled transfer clutch (automatic). Sti Dccd: Driver Controlled Center Differential (DCCD) on STI models. 📐 Dimensions Exterior Length: 173.8 inches (4415 mm) Width: 68.1 inches (1730 mm) Height: 56.1 inches (1425 mm) - Sedan, 55.1 inches (1400 mm) - Wagon Wheelbase: 103.0 inches (2616 mm) Weights Curb Weight Na: 2900 - 3100 lbs (approximate) Curb Weight Wrx: 3175 - 3340 lbs (approximate) Curb Weight Sti: 3375 lbs (approximate) 🛡️ Safety Features Ratings NHTSA Front Impact: 5 Stars NHTSA Side Impact: 4 Stars (front), 4 Stars (rear) Active Features ABS: Standard on most trims AWD: Standard Symmetrical All-Wheel Drive contributes to enhanced traction and stability. Passive Features Airbags: Front dual-stage airbags, front side-impact airbags, available curtain airbags (depending on trim/body style). Seatbelts: 3-point seatbelts with pretensioners and load limiters for front seats. 💡 Technology Features Infotainment Audio System: Factory fitted AM/FM/CD stereo with optional premium sound system and...