🏷️ Basic Information Identification Make: Subaru Model: Impreza Years Covered: 2006, 2007 Trim Levels Covered: 2.5i, WRX, STI Codes Chassis Code: GD/GG 👋 Introduction Market Position Segment: Compact/Sport Compact Positioning: Known for its all-wheel-drive capability, rally heritage, and sporty handling, particularly in WRX and STI trims Competitive Analysis Key Competitors: Mitsubishi Lancer Evolution, Volkswagen GTI, Mazda3, Honda Civic Si Key Features Drivetrain: Standard Symmetrical All-Wheel Drive (AWD) across all trims Performance Variants: WRX offers turbocharged performance; STI offers higher performance with more advanced AWD and engine tuning Platform: Based on Subaru's global platform, known for its boxer engine placement and AWD system integration 📋 Manual Details Coverage Areas Manual Type: Factory Service Manual / Workshop Manual Language: English Format: Digital Download (implied PDF) Coverage Scope: Comprehensive repair, maintenance, diagnostics, and specifications 📖 Manual Coverage Systems Covered Engine: Engine mechanical, lubrication, cooling, fuel, ignition, emissions, engine control system (ECU), forced induction (turbocharging for WRX/STI) Transmission: Manual transmission (5-speed, 6-speed for STI), automatic transmission (4-speed), clutch system, drive shafts, differentials (front, rear, center viscous coupling/DCCD for STI) Brakes: Brake system, hydraulic components, ABS, parking brake, brake disc and pad replacement, bleeding procedure Suspension Steering: Front and rear suspension (struts, springs, control arms, stabilizer bars), steering system (rack and pinion, power steering), wheel alignment specifications Electrical: Wiring diagrams, battery, charging system, starting system, lighting, instrument cluster, body electrical, infotainment, power accessories Body Chassis: Body exterior (panels, doors, hood, trunk), interior trim, structural components, glass, body sealing Heating Air Conditioning: HVAC system, refrigerant handling, component diagnosis and replacement Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement Repair: Engine rebuilds, transmission overhaul, brake caliper replacement, suspension component repair, electrical component troubleshooting and replacement Diagnostics: Troubleshooting guides, fault code interpretation (OBD-II), diagnostic procedures for various systems Specifications: Torque specifications for all fasteners, fluid capacities and types, engine data, dimension data Technical Depth Depth Level: Factory-level detail, suitable for professional technicians and advanced DIYers Diagnostic Tools: References diagnostic procedures often requiring Subaru Select Monitor (SSM) or compatible OBD-II scan tools 📊 Manual Specifications File Format File Type: PDF (common for digital downloads of factory manuals) Searchability: Likely text-searchable if a well-scanned PDF Printability: Printable pages for workshop use Print Quality Image Resolution: Variable, dependent on source scan quality, typically high for factory manuals Binding Type Binding: Not applicable for digital format Paper Type Paper: Not applicable for digital format ⚙️ Engine Specifications Primary Engine Engine Code 2.5I: EJ253 (2.5L SOHC Naturally Aspirated) Engine Code Wrx: EJ255 (2.5L DOHC Turbocharged) Engine Code Sti: EJ257 (2.5L DOHC Turbocharged, intercooled) Performance 2.5I Horsepower 2.5I: 173 hp @ 5600 rpm Torque 2.5I: 166 lb-ft @ 4000 rpm Performance Wrx Horsepower Wrx: 230 hp @ 5600 rpm Torque Wrx: 235 lb-ft @ 3600 rpm Performance Sti Horsepower Sti: 305 hp @ 6000 rpm Torque Sti: 290 lb-ft @ 4000 rpm Fuel System Fuel Type: Unleaded gasoline (87 octane recommended for 2.5i, 91+ octane for WRX/STI) Fuel Delivery: Multi-point fuel injection (MPI) Forced Induction: Twin-scroll turbocharger with intercooler (WRX/STI) 🔧 Transmission Standard 2.5I Transmission: 5-speed manual transmission Wrx Transmission: 5-speed manual transmission Sti Transmission: 6-speed manual transmission Optional 2.5I Optional Transmission: 4-speed automatic transmission Features AWD System: Symmetrical All-Wheel Drive with mechanical center differential (5-speed manual), viscous center coupling (4-speed auto, 5-speed WRX manual), or Driver Controlled Center Differential (DCCD) (STI 6-speed manual) Fluid Specifications Manual Transmission Fluid Type: API GL-5 SAE 75W-90 (refer to specific subaru fluid part numbers for accuracy) Automatic Transmission Fluid Type: Subaru ATF-HP (or equivalent) 📐 Dimensions Exterior Wheelbase: 103.0 inches Length: 174.4 inches Width: 68.5 inches Height: 56.1 inches Weights Curb Weight 2.5I: Approx. 3030 lbs (manual) / 3120 lbs (automatic) Curb Weight Wrx: Approx. 3210 lbs Curb Weight Sti: Approx. 3329 lbs Towing Capacity: Not specified/recommended 🛡️ Safety Features Ratings NHTSA Front Impact: 5 Stars (2006 models) NHTSA Side Impact Front: 5 Stars (2006 models) NHTSA Side Impact Rear: 4 Stars (2006 models) IIHS Moderate Overlap Frontal Offset: Good (2006 models) Active Features ABS: Standard Anti-lock Braking System Traction Control: Available (standard on some models/trims) Electronic Stability Control: Standard (Subaru VDC - Vehicle Dynamics Control) Passive Features Airbags: Front dual-stage airbags, front side-impact airbags, front and rear side-curtain airbags (optional/standard depending on trim) 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD audio system, optional premium audio with subwoofer. Bluetooth connectivity often aftermarket or limited on base models. Navigation: Optional factory navigation system available on some higher trims. Driver Assistance Cruise Control: Standard cruise control Keyless Entry: Available keyless entry and remote start Connectivity Usb Aux Input: Often lacking on factory systems, commonly added via aftermarket. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 3 months (severe conditions), or 7,500 miles or 6 months (normal conditions). Consult manual for exact Subaru recommendations...