🏷️ Basic Information Identification Make: Subaru Model: Impreza Generation: Second Generation (GD/GG) Model Years Covered: 2002, 2003, 2004, 2005, 2006 👋 Introduction Market Position Segment: Compact Car / Performance Sedan Usp: Affordable performance, standard Symmetrical All-Wheel Drive, rally-bred heritage. Competitive Analysis Key Competitors: Mitsubishi Lancer Evolution, Honda Civic Si, Mazda3, Volkswagen GTI. Key Features Performance Variants: WRX and STI (high-performance turbocharged models), offering significant tuning potential. AWD System: Subaru's Symmetrical All-Wheel Drive provides superior traction and handling in various conditions. Durability: Known for robust mechanical components, particularly the engine and drivetrain, when properly maintained. 📋 Manual Details Coverage Areas Primary Coverage: Workshop Repair and Maintenance Specific Models: All Subaru Impreza models within the 2002-2006 model years, including sedan and wagon body styles, and various trim levels (e.g., RS, WRX). Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine (EJ205, EJ251, EJ255), Fuel System, Exhaust System, Ignition System, Cooling System, Lubrication System. Drivetrain: Manual Transmission (5-speed), Automatic Transmission (4-speed), All-Wheel Drive (AWD) System (including front and rear differentials, driveshafts, viscous coupling). Chassis: Suspension (front MacPherson strut, rear multi-link), Steering System (rack and pinion, power steering), Braking System (front ventilated discs, rear solid discs; ABS). Electrical: Battery, Charging System, Starting System, Lighting System, Ignition System, Body Control Modules, Instrument Cluster, HVAC Controls, Audio System. Body And Interior: Body panels, doors, windows, seats, trim, airbags, seat belts, exterior and interior lighting, climate control. Procedures Included Maintenance: Scheduled maintenance, fluid changes (oil, coolant, brake, transmission, differential), filter replacements, spark plug replacement, belt inspection and replacement. Troubleshooting: Diagnostic charts, symptom-based troubleshooting for common drivability, electrical, and mechanical issues. Repair: Detailed step-by-step instructions for component removal, installation, and repair of all major vehicle systems. Diagnostics: OBD-II diagnostic trouble codes (DTCs), component testing procedures, wiring diagrams, connector pinouts. Technical Depth Depth: Comprehensive: Covers everything from basic fluid checks and filter changes to complete engine and transmission overhauls, electrical system diagnostics, and bodywork repairs. 📊 Manual Specifications File Format PDF Features: Searchable text, bookmarked chapters, printable pages. Print Quality Quality: High-resolution, clear diagrams and text. Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code Base Models: EJ251 (2.5L Naturally Aspirated SOHC) Engine Code Wrx: EJ205 (2.0L Turbocharged DOHC) Performance Horsepower Ej251: 165 hp @ 5600 rpm Torque Ej251: 166 lb-ft @ 4000 rpm Horsepower Ej205: 227 hp @ 5600 rpm Torque Ej205: 250 lb-ft @ 3000 rpm Fuel System Type: Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (91 octane recommended for WRX/STI) Cooling System Coolant Type: Subaru Super Coolant (Blue) or equivalent phosphate-free ethylene glycol based antifreeze Lubrication System Oil Type: SAE 5W-30 Synthetic (recommended by Subaru) Oil Capacity Ej251: 4.8 US quarts (4.5 liters) with filter Oil Capacity Ej205: 4.2 US quarts (4.0 liters) with filter 🔧 Transmission Standard Type Base Models: 5-Speed Manual Transmission (TY757) Optional Type Optional: 4-Speed Automatic Transmission (4EAT) Features AWD Engagement Manual: Driver-controlled center differential (DCCD on STI models) with viscous coupling. AWD Engagement Auto: Active All-Wheel Drive system with viscous coupling. Fluid Specifications Manual Transmission Fluid: SAE 75W-90 GL-5 Hypoid Gear Oil Automatic Transmission Fluid: Subaru ATF-HP or Dexron III/Mercon compatible fluid 📐 Dimensions Exterior Wheelbase: 2525 mm (99.4 inches) Length: 4415 mm (173.8 inches) - Sedan, 4465 mm (175.8 inches) - Wagon Width: 1700 mm (66.9 inches) Height: 1410 mm (55.5 inches) - Sedan, 1445 mm (56.9 inches) - Wagon Weights Curb Weight Base Models: Approx. 1360 kg (2998 lbs) Curb Weight Wrx: Approx. 1430 kg (3153 lbs) Gross Vehicle Weight Rating: Varies by model and trim, consult specific vehicle VIN Towing Capacity: Not Recommended 🛡️ Safety Features Ratings NHTSA Front Impact: 5-star (Driver), 4-star (Passenger) for sedans. IIHS Frontal Offset: Good Active Features ABS: Standard on most models (4-wheel disc brakes). Traction Control: Optional on some models, standard on specific higher trims/years. Stability Control: Introduced on later models, typically not standard on early 2002-2003 WRX. Passive Features Airbags: Dual front airbags, optional side airbags. Seatbelts: Three-point seatbelts with pretensioners and force limiters. 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player with 4 or 6 speaker configuration. Optional premium audio systems available on higher trims. Navigation: Rarely offered from the factory for this generation. Driver Assistance Cruise Control: Standard on most models. Anti Lock Brakes: Standard on most trims. Connectivity Auxiliary Input: Not typically found on factory units; aftermarket solutions common. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 6 months (severe service), 7,500 miles or 12 months (normal service). Engine Air Filter Replacement: Every 15,000 miles or 12 months. Cabin Air Filter Replacement: Every 15,000 miles or 12 months. Spark Plug Replacement Ej251: Every 60,000 miles (OEM Iridium) Spark Plug Replacement Ej205: Every 30,000 miles (OEM...