🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2005 Product Type: Factory Service Manual / Workshop Manual / Repair Manual Delivery Method: Instant Digital Download 👋 Introduction Market Position Segment: Compact/Performance Sedan and Wagon Unique Selling Proposition: Subaru's Symmetrical All-Wheel Drive system (standard on most models), performance-oriented WRX and STI variants, robust build quality. Competitive Analysis Competitors: Mitsubishi Lancer, Honda Civic Si, Volkswagen GTI, Mazda3, Ford Focus. Key Features Drivetrain: Standard Symmetrical All-Wheel Drive (AWD) enhances traction and stability in various conditions. Engine Options: Versatile range from efficient naturally aspirated to high-performance turbocharged engines. Body Styles: Available as a sedan and a 5-door wagon, catering to different consumer needs. 📋 Manual Details Coverage Areas General Information: Included Engine Sti: Included Engine H4So Non Turbo: Included Engine H4Dotc Turbo: Included Transmission: Included Chassis: Included Body: Included Wiring: Included Mechanism And Function: Included Page Count Estimated Pages: Approximately 1500-2000+ pages (typical for a comprehensive factory service manual of this era) Manual Type Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format File Format: PDF Compatibility: All Versions of Windows & Mac Requirements: Adobe PDF Reader, WinZip 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine control systems, fuel system, ignition system, lubrication, cooling, exhaust, turbocharger systems. Drivetrain: Manual transmission, automatic transmission, differentials, drive shafts, axles, AWD system. Chassis: Suspension (front and rear), steering system, brakes (ABS, hydraulic, parking brake), wheels, tires. Body And Exterior: Body structure, exterior panels, doors, glass, bumpers, seals, convertible top (if applicable). Interior: Seats, dashboard, interior trim, HVAC system, SRS airbag system, seat belts. Electrical: 12V battery system, charging system, starting system, lighting, instruments, gauges, power windows, power locks, audio system, wipers, horn, cruise control, engine control unit (ECU) and related sensors/actuators, wiring diagrams for all systems. Procedures Included Maintenance: Scheduled maintenance, fluid checks and changes, filter replacements, belt inspections and replacement, spark plug service, brake pad/rotor replacement. Diagnostics: Troubleshooting guides, symptom-based diagnostics, OBD-II diagnostic trouble codes (DTCs), component testing, diagnostic flowcharts. Repair: Detailed step-by-step repair instructions for all major components and systems, including engine overhaul, transmission rebuild, suspension component replacement, brake caliper service, electrical component repair. Assembly Disassembly: Exploded views and detailed instructions for disassembling and reassembling all vehicle components. Technical Depth Level: Comprehensive: Covers everything from basic maintenance to complete engine and transmission overhauls, including complex electrical diagnostics and bodywork. 📊 Manual Specifications File Format PDF Quality: High-resolution, text-searchable (where OCR is applied), allowing for easy navigation and information retrieval. Print Quality Printability: All pages are printable for use in a workshop environment. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Sti: 2.5L Turbocharged EJ257 Boxer-4 (DOHC, 16-valve), producing approximately 300 hp and 350 lb-ft torque. Engine H4So Non Turbo: 2.5L Naturally Aspirated EJ25 SOHC Boxer-4 (16-valve), producing approximately 165-173 hp and 166-170 lb-ft torque. Engine H4Dotc Turbo: 2.0L Turbocharged EJ205 Boxer-4 (DOHC, 16-valve, typically found in WRX), producing approximately 227 hp and 217 lb-ft torque. Performance Aspiration: Naturally Aspirated and Turbocharged Bore Stroke: Varies by engine variant (e.g., EJ257: 99.5 mm x 79.0 mm) Compression Ratio: Varies by engine variant (e.g., EJ257: 8.2:1) Fuel System Injection: Electronic Multi-Point Fuel Injection (MPI) Fuel Type: Unleaded Gasoline (Premium Unleaded recommended for turbocharged models) 🔧 Transmission Standard Standard Transmission: 5-speed Manual Transmission (Typical for most trims, WRX, STI) Optional Optional Transmission: 4-speed Automatic Transmission (Available on naturally aspirated models) Features AWD System: Symmetrical All-Wheel Drive (viscous coupling center differential for manual, electronically controlled multi-plate transfer clutch for automatic) Sti Dccd: Driver Controlled Center Differential (DCCD) on STI models for manual torque split adjustments. 📐 Dimensions Exterior Wheelbase: 2515 mm (99.0 in) Length Sedan: 4415 mm (173.8 in) Length Wagon: 4465 mm (175.8 in) Width: 1700 mm (66.9 in) Height Sedan: 1430 mm (56.3 in) Height Wagon: 1445 mm (56.9 in) Weights Curb Weight: Approximately 1350-1500 kg (2976-3307 lbs) depending on trim and drivetrain. 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (for driver and front passenger) IIHS Front Offset: Good (for most 2005 models) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Available Traction Control System (TCS) on some models. Passive Features Airbags: Driver and front passenger airbags, available side-impact airbags and side curtain airbags. Seat Belts: Three-point height-adjustable front seat belts with pre-tensioners and load limiters, three-point rear seat belts. 💡 Technology Features Infotainment Audio System: Factory fitted radio/CD player with standard speaker configuration. Higher trims may feature premium audio systems. Climate Control: Manual or automatic climate control systems. Driver Assistance Cruise Control: Standard cruise control system. Immobilizer: Factory fitted engine immobilizer system. Connectivity Aux Input: Limited connectivity options by modern standards. Some models may have had optional auxiliary inputs or CD changers. 🔧 Maintenance Service Intervals Oil Change: Every 3,750 miles (6,000 km) or 3 months for severe driving conditions,...