🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX / WRX STI Year: 2013 Codes Chassis Codes: GE (WRX), GR/GV (WRX STI) Engine Codes: EJ255 (WRX), EJ257 (WRX STI) 👋 Introduction Market Position Segment: Performance Compact Sedan/Hatchback (WRX), Rally-Inspired Performance Sedan/Hatchback (WRX STI) Target Audience: Enthusiasts, performance drivers, Subaru WRX/STI owners seeking in-depth technical knowledge Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Ford Focus RS, Volkswagen Golf GTI/R, Honda Civic Si (depending on trim and focus) Key Features Vehicle Philosophy: All-wheel drive, turbocharged performance, rally heritage, driver engagement Manual Advantage: Direct access to factory-level diagnostic and repair procedures, ensuring accuracy and authenticity 📋 Manual Details Coverage Areas Market Availability: North America (implied by dealer technician reference) Region Specifics: Focus on US/Canadian specifications Page Count Estimated Pages: High volume, typically over 2000 pages for comprehensive factory manuals Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Digital Download (likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (EJ255/EJ257), Fuel System, Exhaust System, Drivetrain (Manual Transmission, AWD System), Clutch Chassis: Suspension (Front MacPherson Strut, Rear Double Wishbone), Steering System, Brake System (ABS, EBD), Wheels & Tires Electrical: Engine Control Module (ECM), Body Control Module (BCM), Lighting Systems, Instrumentation, Audio System, HVAC Controls, Power Accessories, SRS (Airbag) System, Immobilizer Body And Trim: Exterior Body Panels, Interior Trim, Doors, Windows, Seats, Roof (including sunroof if applicable) Heating Ventilation And Air Conditioning: HVAC System Operation, Refrigerant Handling, Component Diagnosis Procedures Included Maintenance: Scheduled Maintenance Intervals, Fluid Checks and Replacements, Filter Replacements, Spark Plug Replacement, Belt Inspections Repair And Overhaul: Engine Reassembly, Transmission Removal/Installation, Brake Caliper Overhaul, Suspension Component Replacement, HVAC Component Replacement Diagnostics: Troubleshooting Flowcharts, DTC (Diagnostic Trouble Code) Interpretation, Electrical Circuit Diagrams, Component Testing Procedures Specifications And Data: Torque Specifications, Clearance Measurements, Fluid Capacities, Electrical Resistance Values, Component Dimensions Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and transmission rebuilds) Diagnostic Capability: Advanced diagnostic procedures utilizing Subaru's Select Monitor (SSM) or equivalent diagnostic tools 📊 Manual Specifications File Format Format: PDF Searchability: Text-searchable for quick information retrieval Print Quality Quality: High-resolution, suitable for printing individual pages or sections Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Wrx Engine Type: Horizontally Opposed (Boxer), Turbocharged, Intercooled, DOHC, 16-valve, 4-Cylinder Sti Engine Type: Horizontally Opposed (Boxer), Turbocharged, Intercooled, DOHC, 16-valve, 4-Cylinder (with specific STI enhancements) Displacement: 2.5 Liters (2457 cc) Performance Wrx Horsepower: Approx. 265 hp @ 6000 rpm Wrx Torque: Approx. 244 lb-ft @ 2000 rpm Sti Horsepower: Approx. 305 hp @ 6000 rpm Sti Torque: Approx. 290 lb-ft @ 4000 rpm Fuel System Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Injection System: Multi-point Fuel Injection (MPI) Engine Management ECU Type: Denso ECM (Specific part numbers vary) 🔧 Transmission Standard Wrx Transmission: 6-Speed Manual Sti Transmission: 6-Speed Manual (with DCCD - Driver Controlled Center Differential) Optional Transmission Options: None for WRX/STI performance models in this year Features Drivetrain: Symmetrical All-Wheel Drive (AWD) with Variable Torque Distribution Sti Center Differential: Driver Controlled Center Differential (DCCD) allowing manual adjustment of front/rear torque bias 📐 Dimensions Exterior Wheelbase: 103.3 inches (2624 mm) Length: 179.5 inches (4560 mm) Width: 70.7 inches (1796 mm) Height: 58.1 inches (1476 mm) Ground Clearance: Approx. 5.0 inches (127 mm) Weights Curb Weight: Approx. 3,330 - 3,450 lbs (1510 - 1565 kg) depending on trim/body style Gross Vehicle Weight Rating: Approx. 4,550 lbs (2064 kg) Towing Capacity: Not Recommended/Specified 🛡️ Safety Features Ratings NHTSA Overall Rating: 4-Star (for 2013 models in general, specific WRX/STI ratings may vary) IIHS Ratings: Good (Various categories, check specific model year for details) Active Features Traction Control: Standard Electronic Stability Control: Standard (Subaru VDC - Vehicle Dynamics Control) ABS: Standard Anti-lock Braking System Ebd: Standard Electronic Brake-force Distribution Passive Features Airbags: Front, Side Curtain, Front Side Impact Seatbelts: 3-point with pretensioners and load limiters Child Seat Anchors: LATCH system 💡 Technology Features Infotainment Head Unit: Standard AM/FM/CD/MP3 audio system with Aux input and possibly Bluetooth. Higher trims may have navigation. Display: Central LCD display for audio and climate information. Driver Assistance Cruise Control: Standard Reversing Camera: Optional on some trims. Connectivity Bluetooth: Optional, for hands-free calling and audio streaming. Vehicle Dynamics Dccd Control: STI models feature DCCD for adjustable center differential lock-up, significantly impacting handling characteristics. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 6 months (severe driving conditions) or 7,500 miles or 12 months (normal driving conditions) - Consult manual for specifics Air Filter Replacement: Every 15,000 miles or 12 months Spark Plug Replacement: Every 30,000 miles (WRX) or 30,000 miles (STI - Iridium type) Fluid Specifications Engine Oil Type: SAE 5W-30 Synthetic (API SN or ILSAC GF-5 compliant) Engine Oil Capacity: Approx. 5.5 US quarts (5.2 liters) with filter change Transmission Fluid Type: Subaru Extra-S Gear Oil...