🏷️ Basic Information Identification Make: Subaru Model: Impreza Year: 2002 Codes Chassis Code: GD/GG 👋 Introduction Market Position Segment: Compact/Economy Sedan and Wagon with AWD focus Usp: Standard All-Wheel Drive, rally-inspired heritage, practical design Competitive Analysis Competitors: Honda Civic, Toyota Corolla, Mazda3, Mitsubishi Lancer Key Features Vehicle Attributes: Symmetrical All-Wheel Drive, boxer engine architecture, robust chassis Manual Benefits: Empowers owners and technicians with factory-accurate information for effective maintenance and repair 📋 Manual Details Coverage Areas Primary Coverage: North America Market Segment: All Impreza trims for 2002 model year Page Count Estimated Page Count: 1500-2000 Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Printed Book 📖 Manual Coverage Systems Covered Engine: 2.5L EJ25 SOHC & DOHC (Naturally Aspirated and Turbocharged) Transmission: 5-Speed Manual (TY754), 4-Speed Automatic (430/430X/430X-A) Drivetrain: All-Wheel Drive (AWD) System (Front & Rear Differentials, Center Differential) Brakes: Front Ventilated Disc, Rear Solid Disc (ABS & Non-ABS variations) Suspension: Front MacPherson Struts, Rear Multi-link Independent Steering: Power Rack and Pinion Electrical: Full Wiring Diagrams, Lighting, Ignition, Charging, Starting, ECUs, Sensors Body: Body Panels, Doors, Windows, Seats, Interior Trim, HVAC System Cooling System: Radiator, Hoses, Thermostat, Fans Fuel System: Fuel Tank, Pump, Lines, Injectors, Fuel Pressure Regulator Exhaust System: Manifolds, Catalytic Converter, Muffler, Pipes Air Conditioning: Compressor, Evaporator, Condenser, Refrigerant System Procedures Included Maintenance: Oil Changes, Filter Replacements, Spark Plug Service, Fluid Checks/Changes Troubleshooting: Diagnostic Flowcharts, Symptom-Based Troubleshooting, DTC Explanations Repair: Engine Component Replacement, Transmission Overhaul, Brake Pad/Rotor Replacement, Suspension Bushing Replacement Diagnostics: OBD-II Scan Tool Procedures, Sensor Testing, Actuator Testing Calibration: Throttle Position Sensor (TPS) Reset, Idle Air Control (IAC) Valve Cleaning/Reset Installation: Component Installation Procedures (e.g., alternator, starter, water pump) Timing: Engine Timing Belt Replacement and Tensioning (EJ25) Adjustment: Parking Brake Adjustment, Clutch Pedal Adjustment Technical Depth Depth: Comprehensive: Covers basic maintenance to full engine and transmission rebuilds Diagnostics Level: Advanced: Includes detailed sensor data interpretation and troubleshooting trees Diagrams: High-quality, detailed diagrams and schematics for all systems Specifications: Torque specifications, clearances, fluid capacities, resistance values 📊 Manual Specifications File Format Digital Format: N/A (Printed Manual) Print Quality Paper Quality: Durable, high-quality paper suitable for workshop environments Print Clarity: Sharp, clear text and diagrams Binding Type Binding: Professional perfect binding or lay-flat binding for ease of use ⚙️ Engine Specifications Primary Engine Engine Code: EJ251 (NA SOHC), EJ253 (NA DOHC - rare for 2002 NA), EJ255 (Turbo DOHC - WRX) Engine Type: Horizontally Opposed (Boxer) 4-Cylinder Displacement: 2.5 Liters (2457 cc) Performance Horsepower Na: 165 hp @ 5600 rpm (EJ251) Torque Na: 166 lb-ft @ 4000 rpm (EJ251) Horsepower Turbo Wrx: 227 hp @ 5600 rpm (EJ255) Torque Turbo Wrx: 217 lb-ft @ 3000 rpm (EJ255) Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPFI) Fuel Type: Unleaded Gasoline (87 Octane minimum for NA, 91 Octane recommended for WRX) Timing Timing Belt: Yes (Interference Engine) Cooling System Coolant Type: Subaru Blue Coolant (or equivalent ethylene glycol based) Oil Specifications Engine Oil Viscosity: 5W-30 (Recommended for most climates) 🔧 Transmission Standard Type: 5-Speed Manual (TY754 series) Optional Type: 4-Speed Automatic (430/430X/430X-A series) Features AWD System: Symmetrical All-Wheel Drive with viscous coupling center differential Fluid Specifications Manual Transmission Fluid: Subaru Extra-S Gear Oil (75W-90 GL-5) or equivalent Automatic Transmission Fluid: Subaru ATF-HP (Highly Recommended) or Dexron III/Mercon compatible 📐 Dimensions Exterior Wheelbase: 103.1 inches (2619 mm) Length: 173.8 inches (4415 mm) - Sedan / 177.4 inches (4505 mm) - Wagon Width: 68.3 inches (1735 mm) Height: 56.1 inches (1425 mm) - Sedan / 58.5 inches (1485 mm) - Wagon Ground Clearance: 5.7 inches (145 mm) - Standard Models / 6.1 inches (155 mm) - Outback Sport Weights Curb Weight: Approx. 3000-3300 lbs (1360-1500 kg) depending on trim and transmission Gross Vehicle Weight Rating: Refer to vehicle placard (Typically around 4200-4400 lbs) Cargo Cargo Volume Sedan: 12.3 cu ft Cargo Volume Wagon: 30.3 cu ft (seats up) / 69.3 cu ft (seats down) 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 Stars (Driver/Passenger) NHTSA Side Impact: 4/5 Stars (Front/Rear Passenger) IIHS Frontal Offset: Good Active Features Braking System: Anti-lock Braking System (ABS) - Standard on WRX, optional on others Traction Control: Not widely available on standard models, focus on AWD grip Passive Features Airbags: Front Driver and Passenger Airbags Seat Belts: 3-point height-adjustable front seat belts with pretensioners, rear 3-point seat belts Child Seat Anchors: LATCH system (Lower Anchors and Tethers for CHildren) 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player, optional premium audio with subwoofer on higher trims. Climate Control: Manual or automatic climate control depending on trim level. Driver Assistance Cruise Control: Standard on most trims. Keyless Entry: Available on select trims. Connectivity OBD Ii: Standard OBD-II port for diagnostic scanning and emissions testing. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 6 months (severe service), 7,500 miles or 12 months...