🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX & STI Model Year: 2008 Generation Generation: Third Generation (GE/GH/GR/GV) Codes Chassis Code Wrx: GE/GH (Hatchback/Sedan) Chassis Code Sti: GR/GV (Hatchback/Sedan) 👋 Introduction Market Position Target Audience: Owners of 2008 Subaru Impreza WRX and STI seeking to perform maintenance and repairs themselves or understand the dealer's procedures. Competitive Analysis Value Proposition: Provides professional-grade technical information at a fraction of the cost of dealer-provided services or physical manuals. Key Features Delivery Method: Instant download, eliminating shipping costs and delays. Usability: Easy-to-read text, high-quality diagrams, and step-by-step instructions make it accessible to a wide range of skill levels. Authenticity: Stated as a factory service manual, implying it is the same document used by authorized Subaru dealerships. 📋 Manual Details Coverage Areas Covered Models: 2008 Subaru Impreza WRX, 2008 Subaru Impreza STI Page Count Estimated Page Count: Extensive (exact number not specified, but consistent with factory service manuals) Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine Systems Wrx: H4SO (Naturally Aspirated), H4DOTC (Turbocharged) - including general information, engine overhaul, tuning, diagnostics, fuel and emissions. Engine Systems Sti: EJ257 (Turbocharged) - including general information, engine overhaul, tuning, diagnostics, fuel and emissions. Transmission Systems: Manual transmissions for both WRX and STI, including clutch, gearbox, differentials, and related components. Chassis Systems: Suspension (front and rear), steering, brakes, wheel bearings, drive shafts, and AWD system components. Body Systems: Exterior body panels, interior trim, doors, windows, seats, HVAC, and body repair procedures. Electrical Systems: Complete wiring diagrams for both WRX and STI models, including lighting, power distribution, ECUs, sensors, and accessories. Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes (oil, coolant, brake, transmission, differential), filter replacements, spark plug replacement, and general inspection. Repair Procedures: Engine rebuilds, transmission overhaul, suspension component replacement, brake system service, electrical diagnostics and repair, body panel replacement, and HVAC system repair. Troubleshooting: Systematic diagnostic procedures for common and uncommon issues, including DTC interpretation and fault finding. Technical Depth Depth Of Coverage: Comprehensive, covering everything from basic maintenance to complete component overhaul and diagnostics, suitable for both DIY enthusiasts and professional technicians. 📊 Manual Specifications File Format File Format Details: PDF format, ensuring compatibility with various devices and operating systems. Print Quality Print Quality: High resolution, ensuring clear text and diagrams when printed. Binding Type Binding Type: Digital (Downloadable) - implies no physical binding, user can print and bind as needed. Paper Type Paper Type: Not applicable (digital format). Compatibility Operating Systems: All PC based Windows operating systems and Mac. Requirements Software Requirements: Adobe PDF Reader & WinZip (for unzipping). ⚙️ Engine Specifications Primary Engine Wrx Engine Code Wrx Naturally Aspirated: EJ204 (though H4SO terminology used, likely referring to a naturally aspirated Boxer engine, common in base Impreza WRX models of this era, often 2.0L) Engine Code Wrx Turbocharged: EJ255 (likely referring to H4DOTC, a 2.5L turbocharged Boxer engine) Primary Engine Sti Engine Code Sti: EJ257 (2.5L turbocharged Boxer engine with AVCS and intercooler) Performance Wrx Horsepower Wrx Turbocharged: Approximately 265 hp (Varies by market and specific tune) Torque Wrx Turbocharged: Approximately 244 lb-ft (Varies by market and specific tune) Performance Sti Horsepower Sti: Approximately 305 hp Torque Sti: Approximately 290 lb-ft Fuel System Fuel Type Required: Premium Unleaded Gasoline (91 octane or higher recommended for WRX and STI) Induction System: Sequential Multi-Point Fuel Injection (MPI) with Turbocharger (WRX Turbo & STI) 🔧 Transmission Standard Wrx Standard Transmission Wrx: 5-speed manual transmission (for naturally aspirated and some early WRX models) Optional Wrx Optional Transmission Wrx: 5-speed manual transmission (standard on turbocharged WRX) Standard Sti Standard Transmission Sti: 6-speed manual transmission (Subaru's own design, shared with other performance models) Features AWD System: Symmetrical All-Wheel Drive with Driver-Controlled Center Differential (DCCD) on STI models; Viscous Center Coupling on WRX. Fluid Specifications Manual Transmission Fluid Wrx: Refer to manual for specific viscosity grade, typically a GL-5 rated gear oil. Capacity around 3.5-4.0 liters. Manual Transmission Fluid Sti: Refer to manual for specific viscosity grade, typically a GL-5 rated gear oil. Capacity around 4.0-4.5 liters. 📐 Dimensions Exterior Wrx Hatchback Length Wrx Hatchback: Approximately 173.8 inches (4415 mm) Width Wrx Hatchback: Approximately 69.1 inches (1755 mm) Height Wrx Hatchback: Approximately 58.1 inches (1475 mm) Exterior Sti Hatchback Length Sti Hatchback: Approximately 173.8 inches (4415 mm) Width Sti Hatchback: Approximately 69.1 inches (1755 mm) Height Sti Hatchback: Approximately 58.1 inches (1475 mm) Exterior Sedan Wheelbase Sedan: Approximately 103.0 inches (2615 mm) Weights Curb Weight Wrx Hatchback: Approximately 3250 lbs (1475 kg) Curb Weight Sti Hatchback: Approximately 3375 lbs (1530 kg) 🛡️ Safety Features Ratings NHTSA Rating 2008 Impreza: Generally received good ratings, check specific model year and trim for exact details. Often 4 or 5 stars for frontal and side impacts. Active Features Active Safety Features: Four-wheel Anti-lock...