🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Model Variant: WRX (non-STI) Years Covered: 2006-2007 Codes Chassis Code: GD/GG 👋 Introduction Market Position Segment: Performance Compact Sedan/Wagon Target Audience: Enthusiast drivers, performance tuning community, owners seeking to maintain their WRX Competitive Analysis Key Rivals Era: Mitsubishi Lancer Evolution, Honda Civic Si, Volkswagen GTI Key Features Unique Selling Proposition: Subaru's Symmetrical All-Wheel Drive, turbocharged Boxer engine, rally heritage Manual Benefit: Empowers owners with factory-level repair and maintenance knowledge, reducing reliance on expensive dealer services Manual Benefit Reliability Source: Official Subaru factory documentation, ensuring accuracy and completeness 📋 Manual Details Coverage Areas General Repair: Bumper-to-bumper diagnostics and repair Maintenance: Routine maintenance, tune-ups, brake service Engine Repair: Engine disassembly and reassembly Transmission Repair: Transmission disassembly and reassembly Electrical Systems: Wiring diagrams, diagnostic procedures Suspension Steering: Alignment, component replacement Braking System: Hydraulic system, ABS diagnostics Body And Frame: Panel replacement, structural repair Page Count Estimated Pages: Detailed information suggests comprehensive coverage, likely exceeding 1500+ pages in print equivalent Manual Type Type: OEM Service and Repair Manual Language Language: English Format File Format: PDF - Downloadable Compatibility: Windows (95-98-ME-XP-7), MAC, LINUX 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, pistons, crankshaft, timing belt/chain, oil system Engine Management: Fuel injection, ignition system, emissions control, sensors, ECU diagnostics Powertrain Control: Engine control unit (ECU) mapping, variable valve timing (VVT) Transmission Manual: Clutch, gearbox internals, shift mechanisms, lubrication Transmission Automatic: Not applicable for WRX model, manual transmission focus Drivetrain: All-Wheel Drive (AWD) system, center differential, rear differential, driveshafts, CV joints Suspension: Front and rear suspension components, struts, springs, bushings, alignment specifications Steering: Power steering system, steering rack, tie rods, steering column Brakes: Front and rear brake systems, caliper service, rotor replacement, ABS system, parking brake Electrical System: Battery, charging system, starter, lighting, power windows, mirrors, central locking HVAC: Heating, ventilation, air conditioning system diagnosis and repair Body And Interior: Door mechanisms, seat adjustments, dashboard removal, trim pieces Restraints System: Airbag system components and diagnostics Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspections Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics, OBD-II code explanations and procedures Repair Procedures: Step-by-step repair instructions for all major components and systems Component Replacement: Detailed instructions for replacing parts such as radiators, alternators, fuel pumps, brake pads, etc. Engine Rebuild: Complete engine overhaul procedures, including torque specifications and clearances Transmission Overhaul: Detailed steps for manual transmission disassembly, inspection, and reassembly Alignment Procedures: Front and rear wheel alignment specifications and adjustment procedures Electrical Troubleshooting: Wiring diagrams, pinpoint tests for electrical faults Safety System Service: Procedures for servicing airbag systems and ABS components Technical Depth Depth: Comprehensive; suitable for professional technicians and advanced DIY enthusiasts Diagnostic Tools: Information on using factory diagnostic tools and procedures Specifications: Detailed technical specifications, tolerances, and measurements for all components Torque Values: Precise torque specifications for all fasteners Illustrations: In-depth illustrations and diagrams to aid understanding Trouble Codes: Diagnostic Trouble Codes (DTCs) and their associated diagnostic procedures 📊 Manual Specifications File Format PDF Quality: High-resolution, searchable PDF Printable: Printable pages Print Quality Accuracy: Accurate, clear, and concise text Binding Type Binding: Digital (PDF Download) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: EJ255 Engine Type: 2.5L Flat-4 Turbocharged (EJ255) Bore X Stroke: 99.5 mm x 79.0 mm Compression Ratio: 8.4:1 Performance Horsepower Hp: 230 hp @ 5200 rpm Torque Lb-Ft: 235 lb-ft @ 3200 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Unleaded gasoline, premium (91 octane or higher recommended) Turbocharger: IHI VF39 Turbocharger with top-mount intercooler 🔧 Transmission Standard Type: 5-Speed Manual Transmission Optional Type: Not Applicable for WRX models of this generation Features Drivetrain Layout: Symmetrical All-Wheel Drive (AWD) with Viscous Center Differential Clutch Type: Hydraulically actuated, single dry plate 📐 Dimensions Exterior Length: 173.4 inches (4405 mm) - Sedan Width: 68.1 inches (1730 mm) Height: 56.1 inches (1425 mm) - Sedan Wheelbase: 99.4 inches (2525 mm) Weights Curb Weight Lbs: Approx. 3100-3200 lbs (1406-1451 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star Driver, 4-Star Passenger (for applicable models) IIHS Side Impact: Good (for applicable models) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Standard All-Wheel Drive (AWD) enhances traction Passive Features Airbags: Front airbags, front side-impact airbags Seatbelts: 3-point front and rear seatbelts with pretensioners Child Anchors: LATCH (Lower Anchors and Tethers for Children) system 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD stereo with optional premium sound system Climate Control: Manual or automatic climate control (depending on trim) Driver Assistance Cruise Control: Standard cruise control Connectivity Aux Input: Some models may feature an auxiliary input for external audio devices 🔧 Maintenance Service Intervals Oil Change: Every 3,750 miles (6,000 km) or 3 months, whichever comes first (severe use may require more frequent changes)...