🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2006 Codes Chassis Code: GD, GG Platform: Subaru Impreza (Third Generation) 👋 Introduction Market Position Segment: Compact/Small Family Car Usp: Known for its standard All-Wheel Drive system, rally-inspired heritage, and reliable Boxer engines. Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Mazda3, Mitsubishi Lancer, Ford Focus Key Features AWD: Standard Symmetrical All-Wheel Drive across all trims, enhancing traction and stability. Engine Layout: Horizontally-opposed (Boxer) engine layout for a lower center of gravity and improved handling. Performance Variants: Availability of performance-oriented WRX and STI models (though this manual likely covers base Impreza). 📋 Manual Details Coverage Areas Engine: Yes Transmission: Yes Brakes: Yes Suspension: Yes Electrical: Yes Body: Yes HVAC: Yes Steering: Yes Fuel System: Yes Exhaust System: Yes Cooling System: Yes Troubleshooting: Yes Diagnostics: Yes Wiring Diagrams: Yes Page Count Estimated Pages: 1500+ Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (EJ20, EJ25), Transmission (5-speed Manual, 4-speed Automatic), Drivetrain (Symmetrical AWD) Chassis: Suspension (Front MacPherson Strut, Rear Multi-link), Brakes (Front Ventilated Disc, Rear Disc), Steering (Power Rack and Pinion) Body And Interior: Body Panels, Doors, Windows, Seats, Interior Trim, Climate Control (HVAC) Electrical And Electronics: Engine Control Unit (ECU), Body Control Module (BCM), Lighting, Instrumentation, Audio System, Power Accessories, SRS Airbag System Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Top-offs, Tune-ups Repair And Overhaul: Engine Rebuilds, Transmission Overhauls, Brake System Repairs, Suspension Component Replacement, Electrical Component Diagnosis and Replacement Diagnostics And Troubleshooting: Fault Code Interpretation, Symptom-based Troubleshooting Guides, Component Testing Procedures Technical Data And Specs: Torque Specifications, Fluid Capacities, Component Dimensions, Electrical Schematics, Emission Control Information Technical Depth Depth: Comprehensive, suitable for professional technicians and advanced DIY enthusiasts. Covers from basic maintenance to complete engine and transmission rebuilds. 📊 Manual Specifications File Format Searchability: Searchable text within the PDF document for efficient information retrieval. Portability: Highly portable and accessible on various digital devices. Print Quality Resolution: High-resolution scans ensuring clarity of text and diagrams. Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code Common: EJ253 (2.5L SOHC) Engine Code Alternative: EJ204 (2.0L DOHC NA) Performance Displacement 2.5L: 2457 cc Horsepower 2.5L: 173 hp @ 5600 rpm Torque 2.5L: 166 lb-ft @ 4000 rpm Displacement 2.0L: 1994 cc Horsepower 2.0L: 125 hp @ 5600 rpm Torque 2.0L: 140 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Electronic Fuel Injection (MPI) Fuel Type: Unleaded gasoline (87 octane recommended for NA models, premium recommended for WRX/STI variants if covered) Engine Management ECU Type: Denso or Hitachi ECU (specific part numbers vary) Timing Timing Belt Or Chain: Timing Belt (EJ series engines require periodic replacement) 🔧 Transmission Standard Type AWD Manual: 5-speed Manual with Symmetrical AWD Optional Type AWD Auto: 4-speed Automatic with Symmetrical AWD Features AWD System: Active Torque Split All-Wheel Drive (for automatic transmission) or viscous coupling center differential (for manual transmission) Fluid Specs Manual Gearbox Oil: API GL-5, SAE 75W-90 (Subaru Extra-S or equivalent) Automatic Transmission Fluid: Subaru ATF-HP (Highly Recommended, DEXRON III/MERCON NOT compatible) 📐 Dimensions Exterior Length Sedan: 4415 mm (173.8 in) Length Wagon: 4465 mm (175.8 in) Width: 1740 mm (68.5 in) Height Sedan: 1425 mm (56.1 in) Height Wagon: 1485 mm (58.5 in) Wheelbase: 2620 mm (103.2 in) Weights Curb Weight Approx: 1350 - 1450 kg (2976 - 3197 lbs), varies by trim and drivetrain Gross Vehicle Weight Rating Gvwr Approx: 1860 kg (4100 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for driver and passenger) NHTSA Side Impact: 4-Star (front and rear passengers) IIHS Front Crashworthiness: Good Active Features ABS: Standard Anti-lock Braking System E-Brake: Electronic Brake-force Distribution (EBD) Passive Features Airbags: Front dual-stage airbags, front side-impact airbags, front and rear side-curtain airbags (on select trims) Seatbelts: 3-point seatbelts with pretensioners and load limiters Child Anchors: LATCH (Lower Anchors and Tethers for CHildren) system 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD audio system, with optional premium sound systems and satellite radio on higher trims. Navigation: Optional factory navigation system available on some trims. Driver Assistance Cruise Control: Standard cruise control functionality. All Wheel Drive: Core technology providing enhanced traction and stability in various weather conditions. Connectivity Aux Input: Some models may feature an auxiliary audio input jack. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-7,500 miles (5,000-12,000 km) or 6 months, depending on driving conditions and oil type used (consult owner's manual/this manual for specifics). Timing Belt Replacement Interval: Typically every 60,000-105,000 miles (96,000-169,000 km) or 7 years, but this must be verified in the manual as it's critical for the EJ engine. Transmission Fluid Change Interval Auto: Check owner's manual; typically around 30,000-60,000 miles (48,000-96,000 km) for severe use. Transmission Fluid Change Interval Manual: Check owner's manual; usually...