🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2009 Codes Chassis Code: GE (Hatchback), GH (Hatchback), GR (Hatchback), GV (Hatchback) Engine Codes: EJ204 (H4SO - naturally aspirated), EJ255 (H4DOTC - turbocharged) 👋 Introduction Market Position Segment: Compact/Small Family Car, Sport Compact Competitors: Honda Civic, Mazda3, Toyota Corolla, Mitsubishi Lancer, Volkswagen Golf Key Features Drivetrain: Standard Symmetrical All-Wheel Drive (AWD) on most models, optional Front-Wheel Drive (FWD) on select trims Engine Layout: Horizontally-opposed (Boxer) engine Body Styles: 4-door Sedan, 5-door Hatchback (including WRX and STI performance variants) Value Proposition Manual Value: Essential resource for DIY maintenance, repairs, and diagnostics, empowering owners to save on labor costs and maintain vehicle integrity. 📋 Manual Details Coverage Areas Primary Coverage: Complete service and repair of the 2009 Subaru Impreza Secondary Coverage: Diagnostic procedures, troubleshooting, maintenance schedules, wiring diagrams, technical specifications Page Count Estimated Page Count: Extensive (specific number not provided, but described as 'most complete ever compiled') Manual Type Type: Service and Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine: H4SO (Naturally Aspirated Boxer), H4DOTC (Turbocharged Boxer) - including cooling, lubrication, fuel, ignition, and emissions systems Transmission: Manual and Automatic Transmission systems, including clutch, driveline, and AWD components Chassis: Suspension (front and rear), steering system, braking system (including ABS), wheel alignment Body: Body construction, exterior trim, interior components, doors, glass, HVAC system, seating systems Electrical: Complete wiring diagrams, lighting systems, power distribution, starter and charging systems, instrument panel, audio system, security systems Procedures Included Maintenance: Scheduled maintenance (oil changes, filter replacements, fluid checks), brake pad replacement, spark plug replacement, belt inspection/replacement Repair: Engine overhaul, transmission rebuild, suspension component replacement, brake caliper service, exhaust system repair, body panel replacement Diagnostics: Troubleshooting guides for common issues, diagnostic trouble codes (DTCs), engine performance diagnostics, electrical system fault finding Technical Specifications: Torque specifications, fluid capacities and types, engine performance data, electrical resistance values, alignment specifications Technical Depth Depth: Comprehensive, covering basic maintenance to complete engine and transmission overhauls, including advanced electrical diagnostics and bodywork repair. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable, common for professional PDF manuals Print Quality Printability: All pages printable for hard copy reference Diagram Quality: High quality diagrams included Binding Type Binding: Digital (DOWNLOAD) Paper Type Paper: N/A (Digital) Compatibility Operating Systems: Compatible with all versions of Windows & Mac Requirements Software Requirements: Adobe PDF Reader & WinZip ⚙️ Engine Specifications Primary Engine Naturally Aspirated: 2.5L EJ253 (some markets, likely H4SO designation implies 2.0L EJ204 or similar) Turbocharged: 2.5L EJ255 (WRX), 2.5L EJ257 (STI) - H4DOTC designation Performance Naturally Aspirated Hp: ~170 hp (for 2.5L EJ253, actual varies by market and specific engine code) Naturally Aspirated Torque: ~170 lb-ft (for 2.5L EJ253) Turbocharged Wrx Hp: ~265 hp (for EJ255 in WRX) Turbocharged Wrx Torque: ~244 lb-ft (for EJ255 in WRX) Turbocharged Sti Hp: ~305 hp (for EJ257 in STI) Turbocharged Sti Torque: ~290 lb-ft (for EJ257 in STI) Fuel System Injection Type: Electronic Fuel Injection (EFI), Sequential Multi-Point Injection (MPI) Fuel Type: Unleaded gasoline (Premium unleaded recommended for turbo models) Engine Management ECU: Subaru Select Monitor (SSM) compatible ECU 🔧 Transmission Standard Manual Transmission: 5-speed manual (standard on most trims), 6-speed manual (standard on STI) Optional Automatic Transmission: 4-speed automatic (available on select non-turbo trims) Features Drivetrain Type: Symmetrical All-Wheel Drive (AWD) AWD System Type: Driver-Controlled Center Differential (DCCD) on STI, Viscous Coupling AWD on manual non-turbo, Electronically Controlled AWD on automatic Fluid Specifications Manual Transmission Fluid: API GL-5, SAE 75W-90 (Subaru Extra-S or equivalent) Automatic Transmission Fluid: Subaru ATF-HP (or equivalent) 📐 Dimensions Exterior Wheelbase: ~103.0 inches (2616 mm) Length: ~179.5 inches (4560 mm) (Sedan), ~173.6 inches (4409 mm) (Hatchback) Width: ~69.1 inches (1755 mm) Height: ~58.1 inches (1475 mm) (Sedan), ~57.0 inches (1448 mm) (Hatchback) Weights Curb Weight: ~3150 - 3300 lbs (1429 - 1497 kg) (varies by trim and drivetrain) Gross Vehicle Weight Rating: ~4300 lbs (1950 kg) (approximate) 🛡️ Safety Features Ratings NHTSA Front Crash: 5-star (for models equipped with side airbags) IIHS Front Crash: Good IIHS Side Crash: Good Active Features Brake System: 4-wheel disc brakes, ABS, Electronic Brake-force Distribution (EBD) Stability Control: Vehicle Dynamics Control (VDC) - standard on most trims Passive Features Airbags: Front driver and passenger airbags, front side-impact airbags, side curtain airbags (optional/standard depending on trim) Seatbelts: 3-point height-adjustable front seatbelts with pretensioners, LATCH (Lower Anchors and Tethers for Children) system 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD audio system with optional subwoofer and auxiliary input. Available navigation system on higher trims. Driver Assistance Cruise Control: Standard on most trims Tire Pressure Monitoring System: Standard on most trims Connectivity Auxiliary Input: Standard on most models 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 6 months, or 7,500 miles/12 months if using synthetic oil (refer to...