🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Year: 2002 Codes Chassis Code: GDB Engine Code Prefix: EJ20 👋 Introduction Market Position Positioning: Performance compact sedan/hatchback, rallying heritage. Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Honda Civic Si, Volkswagen GTI. Key Features Performance Attributes: Symmetrical All-Wheel Drive, turbocharged engine, sport-tuned suspension. Target Audience Audience: Enthusiast drivers, DIY mechanics, performance tuners. 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service and Repair Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Yes, detailed disassembly, assembly, and diagnosis Engine Management: Yes, including ECU, sensors, actuators, and wiring diagrams Fuel System: Yes, fuel pump, injectors, pressure regulation, and EVAP Exhaust System: Yes, including catalytic converter and emissions controls Transmission Manual: Yes, full overhaul, clutch, and gearbox components Transmission Automatic: N/A for WRX variant Drivetrain AWD: Yes, including center differential, front/rear differentials Suspension: Yes, front and rear strut assemblies, bushings, and alignment Steering: Yes, power steering system, rack and pinion Brakes: Yes, hydraulic system, ABS, rotor/pad replacement Electrical System: Yes, extensive wiring diagrams and component testing HVAC: Yes, climate control system diagnosis and repair Body Exterior: Yes, panel removal, repair, and adjustment Body Interior: Yes, trim removal, seating, and dashboard components Lighting: Yes, headlamps, taillamps, interior lighting Safety Systems: Yes, airbags, seatbelts, and ABS (as part of brake system) Procedures Included Maintenance: Yes, scheduled maintenance and fluid changes Troubleshooting: Yes, extensive diagnostic flowcharts and symptom-based guides Repair: Yes, detailed step-by-step repair procedures Overhaul: Yes, complete engine and transmission overhauls Diagnostics: Yes, including OBD-II codes and specific Subaru diagnostic trouble codes (DTCs) Wiring Diagrams: Yes, comprehensive and organized Special Tools: Yes, lists and illustrations of required special tools Technical Depth Depth: Comprehensive: from basic maintenance to full engine and transmission rebuilds, including electrical diagnostics. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text (OCR processed) Printability: Printable Print Quality Image Resolution: High-resolution scans of original factory documentation Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: EJ207 (JDM Spec) / EJ205 (US Spec) Displacement: 2.0 Liters (1994 cc) Aspiration: Turbocharged and Intercooled Bore X Stroke: 92.0 mm x 75.0 mm Compression Ratio: 8.0:1 (EJ207), 8.4:1 (EJ205) Horsepower Us Spec: 227 hp @ 5600 rpm (approx.) Horsepower Jdm Spec: 280 ps (276 hp) @ 6000 rpm (approx., often underestimated due to gentleman's agreement) Performance Torque Us Spec: 217 lb-ft @ 3200 rpm (approx.) Torque Jdm Spec: 343 Nm (253 lb-ft) @ 4000 rpm (approx.) Fuel System Fuel Type: Premium Unleaded Gasoline (91+ Octane recommended) Fuel Delivery: Multi-point Fuel Injection (MPI) Ignition System: Electronic Ignition, Coil-on-Plug Engine Management ECU Type: Subaru Engine Control Unit (ECU) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Optional Transmission Type: N/A for WRX Features Drivetrain: Symmetrical All-Wheel Drive (AWD) with Viscous Center Coupling Clutch Type: Hydraulic, Single Plate Dry Clutch Transmission Fluid Manual Transmission Fluid Spec: API GL-5, SAE 75W-90 (Check manual for specific Subaru recommendation) Differential Fluid Front Differential Fluid Spec: API GL-5, SAE 80W-90 Rear Differential Fluid Spec: API GL-5, SAE 80W-90 (Limited Slip Differential may require specific additive) 📐 Dimensions Exterior Length: 4405 mm (173.4 in) Width: 1735 mm (68.3 in) Height: 1415 mm (55.7 in) Wheelbase: 2510 mm (98.8 in) Ground Clearance: 145 mm (5.7 in) Weights Curb Weight: 1400-1450 kg (3086-3197 lbs) approx. Gross Vehicle Weight Rating: N/A (Typically not specified for this model) Cargo Trunk Volume: 342 Liters (12.1 cu ft) for Sedan, 770 Liters (27.2 cu ft) with rear seats up for Wagon 🛡️ Safety Features Ratings NHTSA Front Impact Driver: Good NHTSA Front Impact Passenger: Good IIHS Front Impact: Good Active Features ABS: Yes, Anti-lock Braking System Traction Control: Yes, Active Traction Control (ATC) often standard Limited Slip Differential: Yes, typically front and rear (center is viscous) Passive Features Airbags Front: Yes, Driver and Passenger front airbags Airbags Side: Optional or standard depending on trim/market Seatbelts: 3-point front and rear seatbelts with pretensioners 💡 Technology Features Infotainment Head Unit: Factory AM/FM/CD player, often with basic cassette tape functionality. Aftermarket upgrades common. Speaker System: Basic 4-6 speaker system. Driver Assistance Cruise Control: Standard Keyless Entry: Available on some trims Connectivity Bluetooth: N/A (Aftermarket installation typical) Usb Port: N/A (Aftermarket installation typical) 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 miles (5,000-8,000 km) or 6 months, whichever comes first (depending on driving conditions). Engine Air Filter: Every 15,000 miles (24,000 km) or annually. Cabin Air Filter: Every 15,000 miles (24,000 km) or annually. Spark Plugs: Every 60,000 miles (96,000 km) - Iridium type recommended. Timing Belt: Every 105,000 miles (168,000 km) or 7 years (Crucial for EJ20 engines, failure causes severe damage). Fluid Specifications Engine Oil Spec: API SG or SH, SAE 10W-30 or 10W-40 (Synthetic recommended for...