🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2009 Generation Generation Code: GE/GH/GR/GV Generation Years: 2007-2011 👋 Introduction Market Position Positioning: The 2009 Subaru Impreza represents the third generation of Subaru's compact car, known for its Symmetrical All-Wheel Drive system and sporty driving dynamics. Available in sedan and hatchback body styles, it competed in a segment dominated by front-wheel-drive vehicles, offering a distinct advantage in adverse weather conditions. Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Mazda3, Ford Focus, Volkswagen Golf. Key Features Standard AWD: Standard Symmetrical All-Wheel Drive across all trims, enhancing traction and stability. Engine Options: Offered with naturally aspirated and turbocharged Boxer engines. Performance Variants: Includes the WRX and WRX STI performance models for enthusiasts. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive Service and Repair Included Sections: General information, Engine (H4SO), Engine (H4DOTC), Transmission, Chassis, Body, Wiring diagram Page Count Estimated Page Count: Varies by specific manual, typically 1500-3000+ pages for a complete service manual. Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine Management: Engine diagnostics, troubleshooting, repair procedures for naturally aspirated (H4SO) and turbocharged (H4DOTC) Boxer engines. Drivetrain: Manual and automatic transmission repair, clutch service, all-wheel-drive system maintenance and repair. Chassis Suspension: Suspension component inspection and replacement, steering system repair, brake system overhaul, wheel alignment procedures. Body Interior: Body panel repair, door and window mechanisms, interior trim removal and installation, HVAC system service. Electrical Electronics: Complete wiring diagrams, electrical component testing, diagnosis of lighting, audio, and auxiliary systems. Procedures Included Maintenance: Routine maintenance tasks (oil changes, filter replacements, fluid checks), scheduled maintenance intervals. Diagnostics: Diagnostic trouble codes (DTCs) interpretation, symptom-based troubleshooting guides. Repair Rebuild: Detailed step-by-step instructions for component removal, repair, and reinstallation. Technical Specifications: Torque specifications, fluid capacities, clearances, and other critical data for proper repair. Technical Depth Depth: Professional-grade, suitable for dealership technicians and advanced DIY enthusiasts. 📊 Manual Specifications File Format Format: PDF Compatibility: All versions of Windows and Mac OS Reader Requirement: Adobe PDF Reader Compression Requirement: WinZip or equivalent for extraction Print Quality Quality: High resolution, printable in great quality. Binding Type Type: N/A (Digital Download) Paper Type Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Naturally Aspirated: 2.5L EJ253 Boxer-4 (H4SO). Naturally aspirated engine producing approximately 170 hp and 170 lb-ft of torque. Turbocharged: 2.5L EJ255 Boxer-4 (H4DOTC). Turbocharged engine found in WRX models, producing approximately 265 hp and 244 lb-ft of torque. Performance Turbocharged: 2.5L EJ257 Boxer-4 (H4DOTC). Higher output turbocharged engine found in WRX STI models, producing approximately 305 hp and 290 lb-ft of torque. Performance Horsepower Range: 170 hp to 305 hp depending on engine variant. Torque Range: 170 lb-ft to 290 lb-ft depending on engine variant. Fuel System Injection Type: Electronic Multi-Point Fuel Injection (MPI). Fuel Type: Unleaded gasoline (Premium Unleaded required for WRX/STI models). 🔧 Transmission Standard Type: 5-speed manual transmission on most non-STI models. 6-speed manual transmission on WRX STI models. Optional Type: 4-speed automatic transmission with Sportshift on some naturally aspirated models. Features Drivetrain Type: Symmetrical All-Wheel Drive (SAWD) with Active Torque Distribution (ATD) on automatic models. Differentials: Driver-controlled center differential with viscous coupling on manual transmission models. Helical limited-slip front differential and Torsen limited-slip rear differential on STI models. 📐 Dimensions Exterior Length: Sedan: ~179.7 inches; Hatchback: ~169.1 inches. Width: ~69.1 inches. Height: Sedan: ~58.1 inches; Hatchback: ~57.9 inches. Wheelbase: ~103.2 inches. Weights Curb Weight: Approximately 3100-3400 lbs, varying by trim and body style. 🛡️ Safety Features Ratings NHTSA Front Driver: 5-Star NHTSA Front Passenger: 5-Star NHTSA Side Driver: 5-Star NHTSA Side Rear Passenger: 5-Star IIHS Front Overlap Bm: Good IIHS Side Impact Bm: Good Active Features Traction Control: Standard Electronic Traction Control System (TCS). Stability Control: Standard Electronic Stability Control (VDC - Vehicle Dynamics Control). Passive Features Airbags: Driver and front passenger airbags, front side-impact airbags, front and rear side-curtain airbags. Seatbelts: Three-point seatbelts with pre-tensioners and force limiters. 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD audio system with optional auxiliary input. Higher trims may feature premium audio systems and satellite radio capability. Navigation: Optional factory-installed navigation system was available on select trims. Driver Assistance Cruise Control: Standard cruise control. Connectivity Bluetooth: Optional Bluetooth hands-free connectivity may be available on higher trims. 🔧 Maintenance Service Intervals Oil Change: Every 3,750 miles or 6 months for severe driving conditions; 7,500 miles or 12 months for normal driving conditions (check manual for specific details based on oil type). Air Filter Replacement: Typically every 15,000-30,000 miles, or as needed based on inspection. Spark Plug Replacement: Approximately 60,000-100,000 miles for iridium-tipped plugs, depending on engine type. Fluid Specifications Engine Oil: API SN or SP, ILSAC GF-5 or GF-6A; SAE 0W-20 is commonly recommended for naturally aspirated and WRX models. SAE 5W-30 or 5W-40 may be recommended for some high-performance...