🏷️ Basic Information Identification Make: Subaru Model: Impreza Generation: Second Generation (GD/GG) Product Type: Service Repair Manual Download 👋 Introduction Market Position Vehicle Segment: Compact car, known for its AWD capabilities and sporty variants Competitive Analysis Competitors: Honda Civic, Toyota Corolla, Mitsubishi Lancer, Mazda3, Ford Focus Key Features Drivetrain: Standard Symmetrical All-Wheel Drive (AWD) across most trims Performance Variants: Includes information relevant to performance models like the WRX and STI (though specific model year coverage might vary) Manual Value Proposition Dealer Equivalence: This manual is the equivalent of what Subaru dealerships use for service and repairs. Diy Enablement: Empowers owners to perform complex repairs and maintenance themselves, saving on labor costs. 📋 Manual Details Coverage Covered Years: 2002, 2003, 2004, 2005, 2006 Covered Models: Subaru Impreza (all trims and variants within the specified years) Page Count Estimated Pages: Extensive (factory service manual equivalent, typically 1000+ pages) Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format File Format: PDF (downloadable) Features Searchability: Fully searchable Bookmarking: Completely bookmarked Delivery Method: Instant Download 📖 Manual Coverage Systems Engine: Covers both Naturally Aspirated (H4SO) and Turbocharged (H4DOTC) engine variants Transmission: Detailed coverage for both manual and automatic transmissions Chassis: Comprehensive chassis component diagnostics and repair Body: Bodywork, collision repair, and interior components Electrical: Complete wiring diagrams and electrical system troubleshooting Procedures Maintenance: Routine maintenance procedures, fluid changes, and inspections Diagnostics: Step-by-step diagnostic procedures for common and complex issues Repair: Detailed instructions for component repair and replacement Troubleshooting: Troubleshooting guides based on symptoms and diagnostic codes Technical Depth Depth: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Quality Print Quality: Printable pages, allowing users to print only necessary sections Origin: Authentic factory files, not scanned copies Compatibility Operating Systems: Windows (95/98/ME/XP/Vista/7), Linux, MAC Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Naturally Aspirated Engine Code: H4SO (Naturally Aspirated Subaru Boxer Engine) Displacement Na: 2.5 Liters (2457 cc) Configuration Na: Horizontally Opposed (Boxer) 4-cylinder Horsepower Na: Approximately 165-175 hp (depending on specific model year and tuning) Torque Na: Approximately 166-178 lb-ft (depending on specific model year and tuning) Primary Engine Turbocharged Engine Code: H4DOTC (EJ255/EJ257 for WRX/STI variants) Displacement Turbo: 2.5 Liters (2457 cc) Configuration Turbo: Horizontally Opposed (Boxer) 4-cylinder, turbocharged Horsepower Turbo: Typically 227-300+ hp (WRX to STI, depending on year and specific model) Torque Turbo: Typically 235-350+ lb-ft (WRX to STI, depending on year and specific model) Fuel System Fuel Type: Unleaded gasoline (premium unleaded recommended/required for turbocharged models) Injection: Electronic Fuel Injection (EFI) 🔧 Transmission Standard Type Standard: 5-speed Manual Transmission (standard on many trims) Optional Type Optional: 4-speed Automatic Transmission (optional on some trims) Features AWD Integration: Integrated with Symmetrical All-Wheel Drive system Fluid Specifications Auto: Subaru ATF HP (refer to manual for exact PN and capacity) Fluid Specifications Manual: Subaru Manual Transmission Fluid (API GL-5, SAE 75W-90 - refer to manual for exact PN and capacity) 📐 Dimensions Exterior Wheelbase: Approx. 100.2 inches (2545 mm) Length: Approx. 173.8 inches (4415 mm) Width: Approx. 68.1 inches (1730 mm) Height: Approx. 56.1 inches (1425 mm) (sedan), Approx. 58.7 inches (1490 mm) (wagon) Weights Curb Weight: Varies by trim and drivetrain, typically 3000-3300 lbs 🛡️ Safety Features Ratings NHTSA Front Side: Generally good ratings (refer to specific year and NHTSA data for exact figures) Active Features AWD: Standard Symmetrical All-Wheel Drive for enhanced traction and stability Brakes: Front: Ventilated discs; Rear: Solid discs (larger ventilated discs on performance models) ABS: Standard Anti-lock Braking System Passive Features Airbags: Front airbags, side curtain airbags (available on some trims) 💡 Technology Features Infotainment Audio System: Factory radio with CD player, optional premium audio systems on higher trims. Driver Assistance Traction Control: Vehicle Dynamics Control (VDC) available on some models Connectivity Cruise Control: Standard cruise control 🔧 Maintenance Service Intervals Oil Change: Typically every 3,000-7,500 miles (depending on oil type and driving conditions; refer to manual) Timing Belt: Replace approximately every 105,000 miles or 105 months for interference engines (critical for boxer engines, refer to manual for specific PN and procedure) Coolant Flush: Recommended every 30,000 miles or 30 months (Subaru Super Coolant) Fluid Specifications Engine Oil: SAE 5W-30 (API SJ, SL, or SM) or SAE 0W-20 for some models. Consult manual for exact specification and capacity. Brake Fluid: DOT 3 or DOT 4 brake fluid Power Steering Fluid: ATF Dexron III or equivalent Known Issues Head Gaskets: While less common on EJ25 engines of this era compared to earlier generations, head gasket leaks can still occur. Manual provides detailed replacement procedures. Turbocharger: For WRX/STI models, turbocharger maintenance and potential issues (e.g., oil starvation, wastegate issues) are detailed. Proper warm-up/cool-down is crucial. Suspension: Worn bushings and control arms can be common with mileage. Manual offers replacement and alignment procedures....