🏷️ Basic Information Identification Make: Subaru Model: Impreza Generation Generation Name: Second Generation (GD/GG) Codes Chassis Codes: GD (Sedan), GG (Wagon) 👋 Introduction Market Position Vehicle Segment: Compact Car / Sport Compact Competitive Analysis Key Competitors: Honda Civic, Toyota Corolla, Mazda3, Mitsubishi Lancer, Ford Focus. Key Features Standard AWD: Symmetrical All-Wheel Drive (standard on most trims), a defining characteristic and major selling point. Rally Heritage: Strong association with World Rally Championship (WRC) success, particularly the WRX and STI variants, influencing the model's sporty image. Practicality And Performance: Balancing everyday usability with spirited performance, especially in turbocharged models. 📋 Manual Details Coverage Areas Covered Years: 2001, 2002, 2004, 2005, 2006, 2007 Page Count Estimated Page Count: Approx. 2500+ Manual Type Manual Type: Factory Service Repair Manual (FSM) Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, lubrication, cooling, fuel, ignition, emissions, diagnostics, turbocharged (EJ20, EJ25) and naturally aspirated variants. Transmission Systems: Manual transmission (5-speed), Automatic transmission (4-speed) service, overhaul, and diagnostics. Drivetrain Systems: All-Wheel Drive (AWD) system, differentials (front, center, rear), driveshafts, CV joints. Suspension Systems: Front and rear suspension, struts, springs, control arms, sway bars, wheel bearings. Brake Systems: Front and rear disc brakes, ABS system, brake fluid, bleeding procedures, parking brake. Steering Systems: Power steering system, steering rack, column, hydraulic pump. Electrical Systems: Battery, charging system, starter, lighting, wipers, horn, power windows, central locking, fuses, relays, wiring diagrams. HVAC Systems: Heating, Ventilation, and Air Conditioning (HVAC) system, refrigerant, components, troubleshooting. Body And Interior: Body panels, doors, windows, bumpers, interior trim, seats, airbags. Diagnostics And Troubleshooting: OBD-II diagnostic trouble codes (DTCs), diagnostic procedures, component testing. Procedures Included Maintenance Procedures: Oil changes, filter replacements, spark plug replacement, coolant flush, brake fluid flush, transmission fluid change, differential fluid change, timing belt inspection/replacement. Repair Procedures: Engine rebuilds, transmission overhaul, suspension component replacement, brake caliper replacement, starter motor replacement, alternator replacement, fuel pump replacement. Troubleshooting Guides: Step-by-step diagnostic charts for common issues, symptom-based troubleshooting. Wiring Diagrams: Comprehensive electrical wiring diagrams for all vehicle systems. Technical Depth Depth Of Coverage: Comprehensive (from basic maintenance to complete engine and transmission rebuilds). Diagnostic Capabilities: Detailed diagnostic procedures and specifications for all major electronic control units (ECUs). Specifications Detail: Torque specifications, clearances, tolerances, fluid capacities, and electrical values for all components. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content for easy information retrieval. Print Quality Image Quality: High-resolution diagrams and illustrations. Text Clarity: Clear, legible text designed for easy reading. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Na: EJ253 (2.5L Naturally Aspirated) Engine Code Turbo: EJ205 (2.0L Turbocharged - WRX), EJ255 (2.5L Turbocharged - STI, some WRX models) Performance Na Displacement Na: 2.5 Liters (2457cc) Horsepower Na: Approx. 165-170 hp @ 5600-6000 rpm Torque Na: Approx. 166-170 lb-ft @ 4000 rpm Performance Turbo Displacement Turbo: 2.0 Liters (1994cc) or 2.5 Liters (2457cc) Horsepower Turbo: Approx. 227-230 hp (EJ205 WRX), 300 hp (EJ257 STI - 2004-2007) Torque Turbo: Approx. 236 lb-ft (EJ205 WRX), 300 lb-ft (EJ257 STI) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded gasoline (91 octane or higher recommended for turbo models) Engine Layout Configuration: Horizontally-opposed (Boxer), 4-cylinder 🔧 Transmission Standard Transmission Type Standard: 5-Speed Manual Optional Transmission Type Optional: 4-Speed Automatic Features AWD Integration: Integrated with Symmetrical All-Wheel Drive system. Sti Clutch Type: Performance-oriented, typically a twin-plate clutch for STI models. 📐 Dimensions Exterior Wheelbase: Approx. 104.3 inches (2649 mm) Length: Approx. 177.0 - 180.3 inches (4496 - 4580 mm) depending on body style Width: Approx. 68.1 inches (1730 mm) Height: Approx. 56.1 - 57.1 inches (1425 - 1450 mm) depending on body style Weights Curb Weight: Approx. 2900 - 3200 lbs (1315 - 1451 kg) depending on trim and drivetrain 🛡️ Safety Features Ratings NHTSA Front Impact: Good (for the driver and front passenger in 2001-2002 models) IIHS Frontal Offset: Good (for earlier models) Active Features Traction Control: Available on some models, often integrated with AWD. ABS: Anti-lock Braking System (Standard on most trims) Passive Features Airbags: Front airbags (driver and passenger), optional side airbags. Seatbelts: Three-point seatbelts with pretensioners. 💡 Technology Features Infotainment Head Unit Options: Factory AM/FM/CD players, some with cassette. Higher trims or optional units may include MP3 playback or even early satellite radio. Driver Assistance Cruise Control: Standard on most trims. Connectivity Audio Input: Auxiliary input jack typically not standard; may be present on aftermarket or optional head units. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 6 months, whichever comes first (severe driving) or 7,500 miles/12 months (normal driving) - refer to manual for specifics based on engine/driving conditions. Timing Belt Replacement: Recommended every 105,000 miles or 105 months for EJ253, and 105,000 miles for EJ205/EJ255/EJ257. Crucial to check...