🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2002 Generation Generation Name: Second Generation (GD/GG) Codes Chassis Code: GD (Sedan), GG (Wagon) 👋 Introduction Market Position Segment: Compact Car / Sport Compact Usp: Symmetrical All-Wheel Drive (standard on most trims), rally-bred heritage Competitive Analysis Key Competitors: Mitsubishi Lancer, Honda Civic Si, Mazda Protege Key Features Standard AWD: Yes Engine Options: Naturally aspirated and turbocharged (WRX variant) Body Styles: Sedan and Wagon 📋 Manual Details Coverage Areas Primary Coverage: North American Market Page Count Estimated Pages: 1500-2000+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Yes (including disassembly, assembly, overhaul, specifications) Engine Management: Yes (ECU, sensors, actuators, diagnostics, wiring diagrams) Fuel System: Yes (EFI, fuel pump, injectors, pressure regulation) Cooling System: Yes (radiator, water pump, thermostat, hoses) Lubrication System: Yes (oil pump, oil filter, oil passages) Ignition System: Yes (spark plugs, coils, timing) Exhaust System Coverage: Yes (catalytic converter, mufflers, emissions control) Drivetrain Manual Transmission Coverage: Yes (gearbox, clutch, differentials) Drivetrain Automatic Transmission Coverage: Yes (transmission operation, control, fluid) Drivetrain Awd System Coverage: Yes (Active AWD system operation and maintenance) Suspension Front Coverage: Yes (struts, control arms, bushings, alignment) Suspension Rear Coverage: Yes (multi-link suspension, shocks, alignment) Steering System Coverage: Yes (power steering pump, rack and pinion, tie rods) Braking System Coverage: Yes (disc brakes, ABS, hydraulics, rotor/pad replacement) Electrical System Coverage: Yes (battery, charging system, starter, lighting) Wiring Diagrams: Yes (comprehensive, system-specific) Body And Chassis Coverage: Yes (frame, panels, doors, glass, interior trim) Hvac System Coverage: Yes (heating, ventilation, air conditioning) Safety Systems Coverage: Yes (airbags, seatbelts) Procedures Included Scheduled Maintenance: Yes (oil changes, filter replacements, spark plugs, belts) Troubleshooting: Yes (diagnostic flowcharts, symptom analysis) Component Replacement: Yes (detailed step-by-step instructions for most components) Engine Rebuild: Yes (full overhaul procedures) Transmission Overhaul: Yes (manual and automatic) Suspension Alignment: Yes (specifications and adjustments) Brake Service: Yes (rotor/pad replacement, bleeding) Electrical Diagnostics: Yes (using multimeter, checking circuits) Body Repair: Yes (panel removal, door adjustments) Technical Depth Depth: Comprehensive (from basic maintenance to complete engine/transmission overhauls) Detail Level: High (includes torque specifications, clearances, repair times) 📊 Manual Specifications File Format Format: PDF Searchability: Yes (text-searchable) Printable: Yes (printable pages) Print Quality Image Resolution: High (clear, readable diagrams and images) Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: EJ253 (NA), EJ205 (WRX) Displacement: 2.5 Liters (NA), 2.0 Liters (WRX) Configuration: Horizontally-Opposed (Boxer) Valvetrain: DOHC, 16 Valves Performance Horsepower Na: 165 hp @ 5600 rpm Torque Na: 166 lb-ft @ 4000 rpm Horsepower Wrx: 227 hp @ 5600 rpm Torque Wrx: 217 lb-ft @ 4000 rpm Fuel System Type: Multi-point Fuel Injection (MPI) Recommended Octane: 87 Octane (NA), 91 Octane (WRX) 🔧 Transmission Standard Type: 5-Speed Manual Optional Type: 4-Speed Automatic Features AWD System: Symmetrical All-Wheel Drive with viscous coupling center differential (Manual), Active AWD with electronically controlled transfer clutch (Automatic) 📐 Dimensions Exterior Length: Approx. 172.4 inches (Sedan), 174.2 inches (Wagon) Width: Approx. 68.1 inches Height: Approx. 56.1 inches (Sedan), 56.5 inches (Wagon) Wheelbase: Approx. 103.0 inches Weights Curb Weight: Approx. 2900-3100 lbs (depending on trim and drivetrain) 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars (Driver), 4 Stars (Passenger) NHTSA Side Impact: 5 Stars (Front), 5 Stars (Rear) Active Features ABS: Standard Traction Control: Available/Standard on some trims Passive Features Airbags: Frontal airbags, optional side airbags Seatbelts: 3-point front and rear with pretensioners 💡 Technology Features Infotainment Head Unit: Factory AM/FM/CD player, optional premium audio system Driver Assistance Cruise Control: Standard on most trims All Wheel Drive: Core technology feature, enhancing stability and traction. Connectivity Auxiliary Input: Not standard, often added via aftermarket solutions 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 6 months (severe duty), 7,500 miles or 12 months (normal duty) Air Filter Replacement: Every 15,000-30,000 miles Spark Plug Replacement: Every 30,000 miles (NGK plat/irid) or 100,000 miles (iridium long-life) Fluid Specifications Engine Oil: 5W-30 (API SG or higher, ILSAC GF-2 or higher) Coolant: Subaru Super Coolant (Blue) or equivalent (50/50 mix with distilled water) Transmission Fluid Manual: Subaru Extra-S Gear Oil (75W-90 GL-5) Transmission Fluid Automatic: Subaru ATF HP Brake Fluid: DOT 3 Known Issues Head Gaskets: While the EJ253 engine in this generation is generally considered more reliable than earlier iterations, head gasket leaks can still occur, particularly in high-mileage vehicles. Clutch Wear: Can be subject to accelerated wear if driven aggressively, especially with frequent AWD use in spirited driving. Oil Leaks: Occasional oil leaks from valve cover gaskets or oil pan seals can be found. Wrx Specific: Turbocharger failure and ringland issues can be present in heavily modified or poorly maintained WRX models. 📚 Vehicle History Brand Heritage Heritage: Subaru has a long history of building reliable vehicles,...