🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX STI Year: 2008 Chassis Code: GR/GV Series (Hatchback/Sedan) Product Type: Service Repair Workshop Manual 👋 Introduction Market Position Positioning: Performance-oriented compact sedan/hatchback, rally homologation special, enthusiast vehicle Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Subaru WRX (standard), Mitsubishi Eclipse GT, Nissan Silvia (older models) Key Features Performance Focus: Symmetrical All-Wheel Drive, turbocharged boxer engine, performance-tuned suspension, powerful Brembo brakes Enthusiast Appeal: Legendary handling, strong aftermarket support, rally heritage 📋 Manual Details Coverage Areas Coverage Scope: All Models & All Repairs A-Z Specificity: Vehicle/Model Specific (Not Generic) Page Count Estimated Page Count: Over 2000 (Typical for comprehensive dealer manuals) Manual Type Type: Workshop Manual / Service Manual Language Language: English Format Format: Digital (Likely PDF, but confirmation needed) 📖 Manual Coverage Systems Covered Engine: Complete engine mechanicals, tuning, diagnostics, removal/installation, overhaul Drivetrain: Manual Transmission (TY75 series), All-Wheel Drive (AWD) system, differentials (front, center, rear), driveshafts, axles Suspension: Front struts, rear multi-link suspension, springs, shocks, control arms, bushings, alignment specifications Brakes: Front Brembo 4-piston calipers, rear Brembo 2-piston calipers, brake fluid, ABS, EBD, parking brake Electrical: Wiring diagrams, ECU, sensors, ignition system, charging system, lighting, power accessories, diagnostics Body And Chassis: Body panels, doors, windows, seats, interior trim, underbody, structural components, crash repair data Fuel System: Fuel pump, injectors, fuel lines, evaporative emission control (EVAP) Cooling System: Radiator, fan, thermostat, water pump, coolant specifications Exhaust System: Manifold, catalytic converter, mufflers, O2 sensors Steering: Power steering system, steering column, wheel alignment Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical system diagnostics Repair: Component removal, installation, adjustment, and overhaul for all major systems Diagnostics: Detailed diagnostic procedures, including use of Subaru Select Monitor (SSM) or equivalent diagnostic tools Rebuilding: Engine rebuild procedures, transmission overhaul, differential rebuilds Specifications: Torque specifications, clearances, fluid capacities, electrical specifications Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and transmission rebuilds) 📊 Manual Specifications File Format Digital Format: Likely PDF, optimized for searchability and readability. May include interactive elements if a digital OEM version. Print Quality Print Quality: High-resolution images, clear diagrams, and legible text suitable for printing specific sections. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: EJ257 Configuration: 2.5L Turbocharged Flat-4 Boxer Engine Bore X Stroke: 99.5 mm x 79.0 mm Compression Ratio: 8.4:1 Redline: 7000 RPM (approx.) Performance Horsepower: 305 hp @ 6000 RPM (US Spec) Torque: 290 lb-ft @ 4000 RPM (US Spec) Fuel System Fuel Delivery: Sequential multi-port fuel injection (SFI) Turbocharger: IHI VF48 Twin-Scroll Turbocharger Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) 🔧 Transmission Standard Transmission Type: 6-Speed Manual Transmission Transmission Model: TY756 Optional Optional Transmission: Not Available for WRX STI Features All Wheel Drive: Symmetrical All-Wheel Drive with Driver Controlled Center Differential (DCCD) Differential Lock: Mechanical Limited Slip Rear Differential (LSD), Helical Limited Slip Front Differential 📐 Dimensions Exterior Length: 4415 mm (Hatchback) / 4580 mm (Sedan) Width: 1795 mm Height: 1470 mm (Hatchback) / 1440 mm (Sedan) Wheelbase: 2650 mm Ground Clearance: 150 mm Weights Curb Weight: Approx. 1505 kg (Hatchback) / 1500 kg (Sedan) Gross Vehicle Weight Rating: Approx. 1920 kg Towing Capacity: Not Recommended Cargo Cargo Volume Hatchback: Approx. 300-400 liters (rear seats up, depending on configuration) Cargo Volume Sedan: Approx. 400-450 liters 🛡️ Safety Features Ratings NHTSA Front Crash Test: 5-Star (Likely, based on contemporary Subaru standards) IIHS Front Offset Crash Test: Good (Likely, based on contemporary Subaru standards) Active Features Traction Control: Vehicle Dynamics Control (VDC) with AWC mode ABS: Anti-lock Braking System (ABS) Ebd: Electronic Brake-force Distribution (EBD) AWD: Symmetrical All-Wheel Drive Passive Features Airbags: Front airbags, front side-impact airbags, side-curtain airbags (front and rear) Seatbelts: 3-point front and rear seatbelts with pretensioners and force limiters Body Structure: Ring-shaped reinforcement frame, energy-absorbing crumple zones 💡 Technology Features Infotainment Head Unit: Factory AM/FM/CD audio system with available navigation. Basic LCD display for climate and audio. Driver Assistance Cruise Control: Standard cruise control system. Keyless Entry: Standard keyless entry with immobilizer. Connectivity Auxiliary Input: Standard auxiliary audio input jack. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 6 months (severe driving) / 7,500 miles or 12 months (normal driving) - Consult manual for exact Subaru recommendations. Air Filter Replacement: Every 15,000 miles or 12 months Cabin Air Filter Replacement: Every 15,000 miles or 12 months Spark Plug Replacement: Every 30,000 miles (NGK Iridium recommended) Coolant Replacement: First replacement at 30,000 miles, then every 15,000 miles or 12 months thereafter. Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (Subaru Extra Protect 5W-30 recommended, API SN or ILSAC GF-5) Engine Oil Capacity: 5.8 US quarts (with filter) Transmission Fluid Type: Subaru Extra-S or equivalent (75W-90 GL-5 Gear Oil for...