🏷️ Basic Information Identification Make: Subaru Model: Impreza Generation: Second Generation (GD/GG) Production Years: 2001-2006 Platform Codes: GD (Sedan), GG (Wagon) 👋 Introduction Market Position Target Audience: Professional technicians, DIY enthusiasts, Subaru owners seeking in-depth knowledge. Competitive Analysis Value Proposition: Provides exhaustive repair and maintenance information, enabling owners to save on labor costs and maintain their vehicles effectively, especially for complex Subaru systems. Key Features Comprehensiveness: Covers multiple engine variants (naturally aspirated, turbo, STi), transmission options, and chassis configurations specific to the 2001-2006 Impreza models. Organization: Clearly structured into sections for General Information, Engines, Transmission, Chassis, Body, and Wiring, with detailed sub-sections for each system. 📋 Manual Details Coverage Areas Covered Regions: Global (general procedures applicable to most markets) Page Count Estimated Page Count: 1000+ Manual Type Type: Workshop Repair Manual / Service Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (H4SO, H4DOTC, STi), Transmission (4AT, 5MT, 6MT), Drivetrain (Differentials, Transfer Case, Drive Shafts), Clutch System Chassis: Brakes (ABS, Parking Brake), Suspension (Front, Rear), Steering (Power Assisted), Wheels & Tires Body: Body Structure, Exterior Body, Interior Trim, Glass, Lighting Systems, HVAC, Airbag System (SRS), Immobilizer System Electrical: Wiring Systems, Instrument Panel, Driver Information, Entertainment System, Communication System Engine Management: Fuel Injection, Engine Management, Emission Control, Ignition, Starting & Charging, OBD II Diagnostics Procedures Included Maintenance: Periodic Maintenance, Recommended Materials, Fluid Specifications, Inspection Procedures (Pre-Delivery) Diagnostics: General Diagnostics, Engine Diagnostics (H4SO, H4DOTC), Transmission Diagnostics (4AT, 6MT), ABS Diagnostics, HVAC Diagnostics, Airbag Diagnostics, Immobilizer Diagnostics Repair Rebuild: Engine Mechanical Repairs, Transmission Overhaul, Brake System Repairs, Suspension Component Replacement, Body Panel Repair, Electrical Component Diagnosis and Replacement Technical Information: General Information, Precautionary Measures, Notation Conventions, Training & General Technical Reference Technical Depth Depth: Comprehensive: Covers basic to advanced repair, diagnostics, and maintenance procedures. Includes detailed exploded views, wiring diagrams, and troubleshooting guides. 📊 Manual Specifications File Format Quality: High-resolution PDF with searchable text for efficient information retrieval. Print Quality Printability: Printable pages for workshop use. Binding Type Digital Binding: N/A (Digital PDF) Paper Type Digital Medium: N/A (Digital PDF) Compatibility Operating Systems: All Versions of Windows & Mac Requirements Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Naturally Aspirated: 2.5L EJ25 SOHC/DOHC (H4SO designation in manual) Turbocharged: 2.0L EJ20 Turbocharged (H4DOTC designation in manual), 2.5L EJ25 Turbocharged (STi engine designation in manual) Performance Horsepower Range: Approx. 165 hp (naturally aspirated) to 300 hp (STi variants) Torque Range: Approx. 170 lb-ft (naturally aspirated) to 300 lb-ft (STi variants) Fuel System Type: Electronic Fuel Injection (EFI) with Sequential Port Injection Engine Management Diagnostics: On-Board Diagnostics II (OBD II) compliance, detailed diagnostic procedures for fuel, ignition, and emission control systems. Technical Features Cylinder Configuration: Horizontally-opposed (Boxer) 4-cylinder Valvetrain: DOHC with Variable Valve Timing (VVT) on some models, SOHC on others. 🔧 Transmission Standard Manual: 5-speed Manual Transmission (5MT), 6-speed Manual Transmission (6MT - STi models) Optional Automatic: 4-speed Automatic Transmission (4AT) Features All Wheel Drive: Symmetrical All-Wheel Drive (AWD) standard across most trims. Clutch System: Hydraulic clutch system for manual transmissions. 📐 Dimensions Exterior Wheelbase Sedan: 2525 mm (99.4 in) Wheelbase Wagon: 2525 mm (99.4 in) Weights Curb Weight Range: Approximately 1350 kg - 1550 kg (2976 lbs - 3417 lbs) depending on configuration. 🛡️ Safety Features Ratings NHTSA Front Impact: Good (for driver and passenger, 2001 model tested) IIHS Side Impact: Good (for 2001-2006 models) Active Features ABS: Anti-lock Braking System (ABS) standard on most trims. Traction Control: Traction Control System (TCS) and Vehicle Stability Control (VSC) available on some models. Passive Features Airbags: Front airbags, optional side curtain airbags available on select models. Seatbelts: Three-point seatbelts with pretensioners for front occupants. 💡 Technology Features Infotainment Audio System: Factory radio with CD player, AM/FM tuner. Higher trims may offer premium sound systems. Driver Assistance Cruise Control: Standard cruise control system available, with electronic throttle control (ETC) diagnostic information provided. Connectivity Communication System: Limited factory Bluetooth or advanced connectivity features typical of later model years. Instrumentation Driver Information: Analog gauges for speedometer, tachometer, fuel, and temperature. Warning lights for various system diagnostics. 🔧 Maintenance Service Intervals Oil Change: Recommended every 5,000 - 7,500 miles (8,000 - 12,000 km) or 6-12 months, depending on driving conditions (refer to manual for specific intervals). Timing Belt: Replace every 90,000 - 105,000 miles (145,000 - 170,000 km) for naturally aspirated engines. STi models with EJ20/EJ25 use timing belts. Consult manual for exact interval and related components (tensioner, idlers, water pump). Fluid Specifications Engine Oil: SAE 5W-30 or 10W-30 API SG/SH/SJ/SL certified (refer to manual for specific viscosity based on temperature and engine variant). Coolant: Subaru Super Coolant (blue) or equivalent ethylene glycol-based coolant with corrosion inhibitors. Capacity typically around 6.2-7.0 liters. Refer to manual for precise capacity. Transmission Fluid Manual: GL-5 gear oil, SAE 75W-90 or 75W-85 (refer to manual for specific...