🏷️ Basic Information Identification Make: Subaru Model: WRX STI Generation: VA (V1) Model Years: 2015-2018 Chassis Code: VA Body Styles Covered: Sedan Trim Levels Covered: WRX, WRX+L, WRX-Pre+L, WRX-LTD+L, STI, STI+W, STI-LTD+W, AWD Codes Engine Codes: FA20, EJ257 👋 Introduction Market Position Vehicle Segment: Performance Sedan, Rally-inspired Sport Compact Target Audience Manual: Subaru WRX/STI owners (2015-2018), independent repair shops, performance tuners Competitive Analysis Competitors Vehicles: Mitsubishi Lancer Evolution, Ford Focus RS, Volkswagen Golf R, Honda Civic Type R Key Features Vehicle Performance Orientation: Symmetrical All-Wheel Drive, turbocharged engines, performance-tuned suspension Key Features Manual Detail Level: Provides intricate details for servicing and repairing the specific performance characteristics of the WRX STI Illustration Quality: Includes detailed illustrations, diagrams, and pictures to guide procedures 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Coverage Scope: Comprehensive repair, maintenance, diagnostics, and troubleshooting Page Count Page Count: > 6400 Format Digital Format: PDF Delivery Format: ZIP archive (requires extraction) Compatibility Operating Systems: All Windows versions, All macOS versions Requirements Software Requirements: Adobe Acrobat Reader, WinZip/WinRAR (or equivalent extraction software) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine fuel system, turbocharger system, intercooler system, cooling system, lubrication system, engine electrical system, exhaust system, engine control module (ECM), throttle body system, fuel injection system, ignition system, starting system, charging system, clutch-drive shaft system, manual transmission, continuously variable gearbox (CVT), transmission control, differentials system, transfer case system Chassis: Brakes system, parking brake system, anti-lock brake system (ABS), brake vacuum control, suspension system, power assisted system, tire pressure monitoring system, wheel and tire system, power steering system, vehicle dynamics control Body And Electrical: Body structure system, airbag system (SRS), headlight beam leveler system, body control system, communication system, cruise control system, entertainment system, exterior body panels, exterior-interior trim, glass-windows-mirrors, heater ventilator system, air conditioning system, immobilizer system, instrumentation-driver info, keyless access system, LAN system, lighting system, occupant detection system, seat & seat belt system, security and locks system, sunroof-t-top-convertible, wiper and washer systems, wiring harnesses & cables, system wiring diagrams Procedures Included Maintenance: Routine maintenance schedules, fluid changes, filter replacements, inspections Diagnostics: Diagnostic trouble code (DTC) explanations, symptom-based troubleshooting, component testing Repair And Rebuild: Complete step-by-step repair procedures for all major systems, component disassembly and reassembly, engine rebuilds, transmission overhauls Technical Information: Specifications, tightening torques, service tools, wiring diagrams, system operation descriptions Technical Depth Depth Of Coverage: Factory-level detail, suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Format File Size: 217 MB Searchability: Likely searchable if Adobe Acrobat Reader's OCR is capable, but not guaranteed as 'searchable text' unless specified Print Quality Printability: Printable pages as needed Binding Type Binding Type: Not applicable (digital format) Paper Type Paper Type: Not applicable (digital format) ⚙️ Engine Specifications Primary Engine Engine 1 Displacement: 2.0L (1998cc) Engine 1 Code: FA20DIT Engine 1 Configuration: 4-Cylinder, Boxer (Horizontally Opposed) Engine 1 Aspiration: Turbocharged, Intercooled Engine 1 Valvetrain: DOHC (Dual Overhead Camshafts), VVT (Variable Valve Timing) Engine 1 Fuel Type: Petrol (Gasoline) Secondary Engine Engine 2 Displacement: 2.5L (2457cc) Engine 2 Code: EJ257 Engine 2 Configuration: 4-Cylinder, Boxer (Horizontally Opposed) Engine 2 Aspiration: Turbocharged, Intercooled Engine 2 Valvetrain: DOHC (Dual Overhead Camshafts), AVCS (Active Valve Control System) Engine 2 Fuel Type: Petrol (Gasoline) Performance Typical Horsepower Fa20: Approximately 305 hp (varies by market and specific tune) Typical Torque Fa20: Approximately 290 lb-ft (varies by market and specific tune) Typical Horsepower Ej257: Approximately 305 hp (varies by market and specific tune) Typical Torque Ej257: Approximately 290 lb-ft (varies by market and specific tune) Fuel System Fuel Injection Type: Multi-point fuel injection and direct injection (FA20DIT), Sequential multi-point fuel injection (EJ257) Recommended Fuel Octane: Premium Unleaded (91 octane or higher recommended) 🔧 Transmission Standard Transmission Type Sti: 6-Speed Manual Transmission Optional Transmission Type Wrx: 8-Speed Automatic Transmission (CVT - specifically Lineartronic for WRX models, not STI) Features Manual Transmission Features: Driver-controlled center differential (DCCD) for STI models Cvtsystem Features: Paddle shifters, simulated gear shifts, various driving modes (Sport, Sport Sharp) 📐 Dimensions Exterior Length: Approx. 4,595 mm (181.0 in) Width: Approx. 1,795 mm (70.7 in) Height: Approx. 1,475 mm (58.1 in) Wheelbase: Approx. 2,650 mm (104.3 in) Weights Curb Weight Sti Manual: Approx. 1,505 kg (3,318 lbs) Curb Weight Wrx Cvt: Approx. 1,460 kg (3,219 lbs) Cargo Trunk Volume: Approx. 0.341 m³ (12.0 cu ft) 🛡️ Safety Features Ratings NHTSA Overall Rating: Likely 5-Star (check specific year/trim for exact ratings) IIHS Top Safety Pick: Often awarded 'Top Safety Pick' or 'Top Safety Pick Plus' for these years Active Features Active Safety Systems: ABS, EBD (Electronic Brake-force Distribution), BA (Brake Assist), VDC (Vehicle Dynamics Control), TCS (Traction Control System), SI-DRIVE (Subaru Intelligent Drive) Passive Features Passive Safety Features: Front, side, curtain, and knee airbags, front seatbelt pretensioners, LATCH child seat anchors 💡 Technology Features Infotainment Infotainment System: Subaru Starlink...