🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2006 Codes Chassis Codes: GD******, GG******* Generation Generation: Second Generation (GD/GG) - Mid-Cycle Refresh 👋 Introduction Market Position Market Position: The Subaru Impreza, particularly in its WRX and STi variants, occupied a strong position in the affordable performance sedan/hatchback market, known for its rally-inspired heritage and standard Symmetrical All-Wheel Drive system. Competitive Analysis Key Competitors: Mitsubishi Lancer Evolution, Volkswagen Golf GTI, Mazdaspeed3, Honda Civic Si. Key Features Key Vehicle Features: Standard Symmetrical All-Wheel Drive, Boxer engine configuration, rally-derived performance (especially STi), practical interior, robust chassis. Manual Utility Manual Utility: This workshop manual provides the same level of detail and accuracy as dealership technicians use, making it invaluable for DIY mechanics and professional workshops alike for comprehensive maintenance, diagnosis, and repair. Manual Description Manual Description: This software database contains the complete Factory Service Manual (FSM) used by technicians, offering in-depth technical information for maintenance, service, diagnosis, and repair of the 2006 Subaru Impreza. 📋 Manual Details Coverage Areas Systems Covered: Engine Mechanical, Lubrication, Fuel System, Cooling System, Engine Electrical, Emission Control, Accelerator Control, Clutch, Manual Transmission, Automatic Transmission, Propeller Shaft & Differential Carrier, Front Axle, Rear Axle, Front Suspension, Rear Suspension, Brake System, Steering System, Restraint System, Body and Trim, Heater, Air Conditioner, Electrical System, ETC Page Count Page Count: Unknown (Digital Format) Manual Type Manual Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format Format: Digital Download (RAR Archive) File Extraction Requirement: Requires WinRAR or compatible software for extraction. 📖 Manual Coverage Systems Covered Engine Variants Covered: H4SO (Naturally Aspirated), H4DOTC (Turbocharged - including STi variant) Chassis Electrical Systems: Covers interior and exterior lighting, power windows, door locks, instrument cluster, warning lights, audio system, HVAC controls, and basic body control modules. Procedures Included Repair Procedures: Detailed step-by-step repair instructions for all major vehicle systems, including engine overhaul, transmission service, brake system repairs, suspension and steering adjustments, electrical troubleshooting, and bodywork. Maintenance Procedures: Comprehensive preventative maintenance schedules, fluid change procedures, filter replacement, spark plug replacement, belt inspection/replacement, and general upkeep. Diagnostic Procedures: Includes diagnostic flowcharts, OBD-II trouble code explanations, and specific test procedures for sensors and actuators. Troubleshooting Guides: Systematic troubleshooting procedures for common drivability, electrical, and mechanical faults. Technical Depth Technical Depth: Factory-level diagnostic procedures, torque specifications, wiring diagrams, component testing, troubleshooting guides, and detailed specifications for all serviceable items. Wiring Diagrams: Detailed electrical wiring diagrams for all systems, crucial for troubleshooting electrical faults. Torque Specifications: Precise torque values for all fasteners, critical for proper assembly and safety. Coverage Areas Model Year Applicability: Primarily 2006 Subaru Impreza. Stated as suitable for other years within the generation due to commonality. Body And Trim Coverage: Includes procedures for interior panel removal, exterior trim, bumpers, doors, hood, trunk, and glass replacement/repair. 📊 Manual Specifications File Format File Format: RAR (Requires WinRAR or compatible extraction software) Print Quality Print Quality: Digital format, printability dependent on user's printer. Contains diagrams and illustrations. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Naturally Aspirated Engine: 2.5L H4 SOCH (EJ253) - Power output typically around 165-175 HP. Known for durability and smooth operation. Turbocharged Engine: 2.0L H4 DOHC Turbocharged (EJ205) in WRX / 2.5L H4 DOHC Turbocharged (EJ257) in STi. Power outputs range from approximately 230 HP (WRX) to 300 HP (STi). These engines feature intercoolers, forged components (STi), and advanced engine management. Performance Engine Layout: Horizontally Opposed (Boxer) Fuel System Fuel Injection: Multi-point Fuel Injection (MPI) for naturally aspirated, Sequential Electronic Fuel Injection (SEFI) for turbocharged variants. Technical Specifications Compression Ratio Naturally Aspirated: Typically 9.5:1 (EJ253) Compression Ratio Turbocharged: Typically 8.5:1 (EJ205) / 8.2:1 (EJ257) Bore X Stroke Naturally Aspirated: 92.0 mm x 91.0 mm (EJ253) Bore X Stroke Turbocharged: 87.5 mm x 83.0 mm (EJ205) / 92.0 mm x 91.0 mm (EJ257) 🔧 Transmission Standard Manual Transmission: 5-speed manual (standard on most trims, including WRX) and 6-speed manual (STi). Optional Automatic Transmission: 4-speed automatic transmission (available on non-turbo models). Features All Wheel Drive System: Symmetrical All-Wheel Drive with various center differential configurations (e.g., viscous coupling, electronically controlled DCCD on STi). Differential Type: Front: Open, Rear: Open (standard) or Limited Slip Differential (LSD) on STi variants. 📐 Dimensions Exterior Body Styles: Sedan and Wagon (also known as Sports Wagon or 'Grand Wagon') Wheelbase: Approximately 2515 mm (99.0 inches) for sedan and wagon. Weights Curb Weight: Varies by trim and engine, typically ranging from 1300 kg to 1500 kg (2866 lbs to 3307 lbs). 🛡️ Safety Features Ratings NHTSA Ratings: Specific NHTSA ratings for 2006 models would need to be verified, but generally, this generation achieved good frontal and side-impact ratings for its time. Active Features Active Safety: Standard All-Wheel Drive, Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD). Traction Control: Available Traction Control System...