🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Model Variant: WRX (Wide Body) Year: 2006-2007 Codes Chassis Code: GD/GG (Applicable to specific WRX variants) Engine Code Primary: EJ255 👋 Introduction Market Position Segment: Compact Performance Sedan/Wagon Niche: Affordable performance, rally-inspired, AWD capability Competitive Analysis Competitors 2006 2007: Mitsubishi Lancer Evolution, Volkswagen GTI, Mazdaspeed3 Key Features Performance Heritage: Direct lineage from Subaru's WRC (World Rally Championship) success Drivetrain: Symmetrical All-Wheel Drive system providing exceptional traction and handling Engine Type: Turbocharged Boxer engine Body Style: Available as Sedan (4-door) and Wagon (5-door) 📋 Manual Details Coverage Areas Coverage: Complete factory service and repair Page Count Estimated Pages: Hundreds (exact count not specified, but described as 'complete' and 'hundreds of pages') Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (EJ255), Turbocharger, Fuel System, Exhaust System, Transmission (5-speed Manual AWD) Chassis: Suspension (Front: MacPherson Strut, Rear: Multi-link), Steering, Brakes (Front: Ventilated Discs, Rear: Solid Discs), Drivetrain (Symmetrical All-Wheel Drive) Electrical: Engine Control Module (ECM), Ignition System, Lighting, Instrumentation, HVAC Controls, Power Accessories, Body Control Module (BCM), Audio System Body: Exterior Body Panels, Doors, Hood, Trunk, Bumpers, Glass, Interior Trim, Seats Procedures Included Maintenance: Scheduled maintenance, Oil changes, Filter replacements, Fluid checks and changes, Spark plug replacement, Belt inspections and replacement Diagnostics: Troubleshooting guides, Diagnostic Trouble Codes (DTCs) and their meanings, Pinpoint tests, System checks Repair: Engine overhaul, Transmission rebuild, Brake system repair, Suspension component replacement, Electrical component diagnosis and repair, Body panel repair Disassembly Assembly: Detailed step-by-step instructions for component removal and installation Technical Depth Depth: Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds, including electrical schematics and diagnostic procedures. 📊 Manual Specifications File Format File Type: PDF Print Quality Quality: High-resolution, printable pages Binding Type Binding: N/A (Digital PDF - printable for manual binding) Paper Type Paper Type: N/A (Digital PDF) Searchability Search Functionality: Likely searchable text within PDF (standard for official manuals) ⚙️ Engine Specifications Primary Engine Engine Name: EJ255 Configuration: 2.5L DOHC 16-valve Turbocharged Boxer 4-cylinder Performance Horsepower Est Crank: 230 hp @ 5600 rpm (U.S. Spec) Torque Est Crank: 235 lb-ft @ 3600 rpm (U.S. Spec) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI), Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Cooling System Coolant Type: Subaru Super Coolant (Blue) or equivalent silicate-free antifreeze Turbocharger Turbo Model: IHI VF43 (for 2006-2007 WRX) 🔧 Transmission Standard Type: 5-Speed Manual AWD Optional Type: N/A (WRX model exclusively featured a manual transmission) Features Drivetrain Layout: Symmetrical All-Wheel Drive with Viscous Coupling Center Differential Fluid Specifications Manual Transmission Fluid: API GL-5, SAE 75W-90 Gear Oil (Subaru Extra-S recommended, but generic equivalent is acceptable) Differentials Front Differential Fluid: API GL-5, SAE 75W-90 Gear Oil Rear Differential Fluid: API GL-5, SAE 75W-90 Gear Oil (Viscous LSD type) 📐 Dimensions Exterior Length Sedan: Approx. 173.4 inches (4405 mm) Width Sedan: Approx. 69.7 inches (1770 mm) Height Sedan: Approx. 57.0 inches (1450 mm) Wheelbase: Approx. 99.4 inches (2525 mm) Weights Curb Weight Sedan: Approx. 3175 lbs (1440 kg) Gross Vehicle Weight Rating Gvw: Approx. 4167 lbs (1890 kg) Cargo Trunk Volume Sedan: Approx. 11.4 cubic feet (322 liters) 🛡️ Safety Features Ratings NHTSA Front Impact Driver: 5-Star (2006 Model Year) NHTSA Front Impact Passenger: 5-Star (2006 Model Year) IIHS Front Offset Driver: Good (2006 Model Year) IIHS Side Impact Driver: Acceptable (2006 Model Year) Active Features ABS: Standard, 4-wheel Anti-lock Braking System with Electronic Brake-force Distribution (EBD) Traction Control: Standard Stability Control: N/A (Vehicle Dynamics Control - VDC - was not standard on WRX for these years) Passive Features Airbags Front: Standard driver and front passenger airbags Airbags Side: Available front side-impact airbags (often optional or on higher trims) Seatbelts: 3-point front and rear seatbelts, pretensioners, load limiters 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD player with optional premium audio system (often 6-disc changer). Speaker configuration varies by trim. Climate Control: Manual or automatic climate control depending on trim level. The manual covers the HVAC system's components and diagnostics. Driver Assistance Cruise Control: Standard feature on most models. Connectivity Power Accessories: Power windows, power door locks, power mirrors. The manual details the electrical circuits for these systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 3.75 months (severe conditions) / 7,500 miles or 7.5 months (normal conditions), check owner's manual for specifics. Engine Air Filter: Inspect every 7,500 miles, replace as needed (typically every 15,000-30,000 miles). Cabin Air Filter: Inspect every 7,500 miles, replace as needed (typically every 15,000-30,000 miles). Spark Plugs: Replace approximately every 30,000-60,000 miles (refer to specific spark plug type recommended by Subaru). Timing Belt: N/A (These models use a timing chain). Fluid Specifications Engine Oil Capacity: Approx. 4.8 U.S. Quarts (4.5 Liters) with filter change. Use...