🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2005 Codes Chassis Code: GDB (for WRX/STI variants, general model codes apply to all) 👋 Introduction Market Position Segment: Compact/Small Family Car (with performance variants like WRX and STI) Brand Perception: Known for its Symmetrical All-Wheel Drive (AWD) system and sporty driving dynamics, particularly in WRX and STI trims. Competitive Analysis Competitors: Honda Civic, Toyota Corolla, Mazda3, Mitsubishi Lancer, Volkswagen Golf. Key Features Vehicle AWD Standard: Standard Symmetrical All-Wheel Drive across most trims, enhancing traction and handling. Performance Variants: Availability of highly acclaimed WRX and STI models with turbocharged engines and performance-tuned suspensions. Key Features Manual Value Proposition: Provides DIY enthusiasts and owners with the same authoritative information found in official factory manuals at a significantly lower cost, enabling substantial savings on maintenance and repairs. Content Benefit: Empowers owners to perform complex tasks, diagnose issues accurately, and avoid unnecessary labor charges. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service and repair for 2005 Subaru Impreza Secondary Coverage: Routine maintenance, diagnostics, component replacement, electrical systems, bodywork, HVAC Page Count Estimated Pages: Varies by specific factory publication, typically 1500-3000+ pages for complete factory service manuals. Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: Detailed procedures for all engine variants, including disassembly, assembly, diagnosis, and repair of internal components, timing systems, lubrication, cooling, fuel, and emissions. Transmission: Covers manual and automatic transmissions, including removal, installation, overhaul, clutch systems, differential components, and driveshaft. Brakes: In-depth coverage of hydraulic systems, ABS, parking brake, brake pad/rotor replacement, caliper service, and bleeding procedures. Suspension Steering: Front and rear suspension components, steering rack, power steering system, wheel alignment specifications, and driveline components. Electrical: Comprehensive electrical schematics, diagnosis of ECUs, sensors, actuators, lighting systems, SRS (Supplemental Restraint System), starter, alternator, and battery. Body Interior: Body panel repair, door mechanisms, glass replacement, interior trim removal and installation, HVAC system, and climate control. Procedures Included Routine Maintenance: Oil and filter changes, fluid checks and replacements (coolant, brake fluid, power steering fluid, transmission fluid), air filter, cabin filter, spark plug replacement. Tune Up: Detailed tune-up procedures, including ignition timing adjustments (if applicable), fuel system checks, and emissions control system diagnosis. Engine Repair: Head gasket replacement, piston ring replacement, bearing service, valve adjustments, timing belt/chain replacement (engine specific), turbocharger service (for WRX/STI). Transmission Repair: Clutch replacement, manual gearbox overhaul, automatic transmission valve body service, seal replacement. Diagnostics Troubleshooting: Systematic diagnostic procedures for common faults, troubleshooting charts, error code interpretation. Wiring Diagrams: Complete electrical wiring diagrams for all vehicle systems, including connector pinouts and wire colors. Technical Depth Depth: Extremely detailed, covering everything from basic fluid services to complete engine and transmission rebuilds. Includes specifications, torque values, tolerances, and specialized procedures. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable (depending on scan quality), allowing for quick location of specific information. Print Quality Printability: Printable, allowing users to print specific pages or sections as needed. Binding Type Binding: N/A (Digital download) Paper Type Paper Type: N/A (Digital download) ⚙️ Engine Specifications Primary Engine Base Engine: 2.5L EJ253 SOHC Flat-4 (Naturally Aspirated) Performance Base Engine Hp: Approximately 165 hp Base Engine Torque: Approximately 166 lb-ft Wrx Engine: 2.0L EJ205 DOHC Turbocharged Flat-4 Wrx Engine Hp: Approximately 227 hp Wrx Engine Torque: Approximately 247 lb-ft Sti Engine: 2.5L EJ257 DOHC Turbocharged Flat-4 Sti Engine Hp: Approximately 300 hp Sti Engine Torque: Approximately 300 lb-ft Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded gasoline (Premium required for WRX/STI) Engine Design Configuration: Horizontally-opposed (Boxer) engine 🔧 Transmission Standard Base Model: 5-speed Manual Transmission Optional Automatic: 4-speed Automatic Transmission (available on non-turbo models) Features AWD System: Symmetrical All-Wheel Drive with viscous coupling center differential (manual) or electronically controlled transfer clutch (automatic). Sti Drivetrain: Driver Controlled Center Differential (DCCD), limited-slip front and rear differentials on STI. 📐 Dimensions Exterior Length: Approximately 173.8 inches (4415 mm) Width: Approximately 68.1 inches (1730 mm) Height: Approximately 56.1 inches (1425 mm) Wheelbase: Approximately 101.4 inches (2575 mm) Weights Curb Weight: Varies by trim, typically 2800-3100 lbs (1270-1406 kg) Sti Curb Weight: Approximately 3200-3300 lbs (1451-1497 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (for driver and passenger) IIHS Side Impact: Good (for models with side airbags) Active Features Traction Control: Available traction control system (TCS) on some trims. ABS: Standard Anti-lock Braking System (ABS) Passive Features Airbags: Front airbags, available front side airbags, available side curtain airbags. Srs: Supplemental Restraint System (SRS) including airbag system, pre-tensioners. 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD audio system with optional premium sound. Auxiliary input may be present on some units. Driver Assistance Cruise Control: Standard cruise control. Connectivity Bluetooth: Not a standard factory feature for this model year. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750...