Market Position:
Performance-oriented compact sedan/wagon, known for its rally-bred heritage and all-wheel-drive system.
Competitive Analysis:
Competed against vehicles like the Mitsubishi Lancer Evolution, Ford Focus SVT, Volkswagen GTI, and Honda Civic Si, offering a distinct turbocharged, AWD performance package.
Key Features:
Symmetrical All-Wheel Drive, turbocharged Boxer engine, sport-tuned suspension, performance braking system, distinctive hood scoop.
Performance Characteristics:
Known for its responsive turbocharged engine, aggressive handling, and Subaru's signature Symmetrical All-Wheel Drive, providing exceptional grip in various conditions.
Coverage Areas:
Complete factory service and repair information for the Subaru Impreza WRX 2002 model. Covers all mechanical, electrical, body, and diagnostic systems.
Page Count:
Hundreds (exact number not specified, but implies comprehensive coverage)
Manual Type:
Workshop Service Repair Manual (Factory Official)
Format:
Digital Download (Printable)
Availability Format:
Available as a digital download, providing immediate access for users.
Systems Covered:
Engine (EJ205), Fuel System, Ignition System, Exhaust System, Cooling System, Lubrication System, Drivetrain (Transmission, Differentials, Axles), Suspension, Steering, Brakes (ABS), Climate Control, Electrical System (ECU, Sensors, Wiring Diagrams), Bodywork, Interior Trim, Diagnostics, Troubleshooting.
Procedures Included:
Routine maintenance, scheduled servicing, component removal and installation, disassembly and assembly, troubleshooting guides, diagnostic procedures, repair instructions, specifications, wiring diagrams, torque values, special tool requirements.
Technical Depth:
Comprehensive, covering basic maintenance to full engine and transmission rebuilds, electrical system diagnostics, and body repair.
Diagnostic Tools:
Details use of Subaru Select Monitor (SSM) or equivalent OBD-II scan tools for fault code reading, live data monitoring, and actuator testing.
Engine Rebuild Procedures:
Detailed instructions for engine disassembly, inspection, component replacement (pistons, rings, bearings, valves, seals), and reassembly with torque specifications.
Suspension Procedures:
Covers front and rear suspension component replacement (struts, shocks, control arms, bushings, sway bars) and alignment specifications.
Wiring Diagrams Included:
Comprehensive electrical system wiring diagrams for all major circuits (engine, lights, power windows, audio, etc.).
File Format:
Likely PDF (standard for digital manuals, allows printing)
Print Quality:
High-resolution, allowing for clear reproduction of diagrams and text when printed.
Binding Type:
Not applicable for download; user dependent for printing (e.g., spiral bound, three-hole punched).
Paper Type:
Not applicable for download; user dependent for printing.
Manual Completeness:
Complete official factory service manual. Designed for professional technicians and serious DIY enthusiasts.
Primary Engine:
2.0L EJ205 DOHC Turbocharged Boxer Engine
Horsepower:
227 hp @ 5600 rpm (approx.)
Torque:
217 lb-ft @ 4000 rpm (approx.)
Fuel System:
Electronic Fuel Injection (EFI) with Sequential Port Injection, Turbocharger (TD04L-13G or similar), Top-mount Intercooler.
ECU Type:
Engine Control Unit (ECU) with various sensors (MAP, MAF, TPS, O2, Knock, etc.)
Ignition System:
Distributorless Ignition System (DIS) with coil-on-plug or coil-pack arrangement.
Cooling System:
Pressurized liquid cooling system with radiator, thermostat, fan, and coolant reservoir.
Turbocharger Details:
Garrett AR 70/62 or similar, twin-scroll design for improved low-end response.
Standard Transmission:
5-speed Manual Transmission
Optional Transmission:
4-speed Automatic Transmission (less common for WRX models, but may be available in some markets/trims)
Transmission Features:
All-Wheel Drive (AWD) with viscous coupling center differential. Limited-slip rear differential (LSD) often standard on WRX.
Differential Type:
Center: Viscous Coupling Limited Slip. Rear: Helical Limited Slip Differential (LSD) standard on WRX. Front: Open differential.
NHTSA Rating:
Refer to specific market's NHTSA/Euro NCAP reports for exact ratings. Typically good for its era but not top-tier compared to modern standards.
Active Features:
ABS (Anti-lock Braking System), Performance Brakes (larger rotors, twin-piston front calipers), Subaru Symmetrical All-Wheel Drive.
Passive Features:
Driver and front passenger airbags, side airbags (optional/market dependent), reinforced chassis, front and rear crumple zones.
Front Brake Type:
Ventilated Disc, 11.5 inches (293 mm) diameter, Twin-piston calipers.
Rear Brake Type:
Solid Disc, 11.3 inches (286 mm) diameter, Single-piston calipers.
Infotainment System:
Basic factory radio with CD player (often optional cassette). Aftermarket head units are very common.
Driver Assistance Features:
Limited to ABS and AWD. No electronic stability control (VDC) or traction control (TCS) as standard for this model year WRX.
Connectivity Options:
None in the modern sense (no Bluetooth, USB ports, etc.).
Oil Change Interval:
Every 3,750 - 7,500 miles (6,000 - 12,000 km) or 6 months, depending on driving conditions (severe vs. normal). Consult manual for specifics.
Timing Belt Interval:
105,000 miles (168,000 km) or 7 years. Highly critical for EJ205 engine.
Engine Oil Specification:
API SG or higher, SAE 5W-30 or 10W-30 recommended. Check manual for specific viscosity based on ambient temperature. Synthetic oil highly recommended.
Coolant Specification:
Subaru Genuine Coolant or equivalent (e.g., Subaru Super Coolant) - typically a 50/50 mix of antifreeze and distilled water.
Transmission Fluid Specification:
Manual: GL-5 SAE 75W-90 gear oil. Automatic: ATF-HP (Subaru Genuine or equivalent).
Brake Fluid Specification:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
Subaru Genuine ATF or Dexron II/III compatible ATF.
Clutch Fluid Specification:
DOT 3 or DOT 4 brake fluid.
Engine Oil Capacity:
4.5 US quarts (4.3 liters) with filter change.
Transmission Oil Capacity Manual:
2.2 US quarts (2.1 liters)
Common Issues:
Turbocharger failure, head gasket leaks (less common on EJ205 than EJ25 but possible), ringland failure on high-mileage/modified engines, oil consumption, catalytic converter issues, seized spark plugs.
Brand Heritage:
Subaru's heritage is deeply rooted in aviation engineering and rally racing, particularly with the Impreza WRX lineage.
Model Evolution:
The 2002 model year marked the introduction of the 'GD' chassis, the second generation of the Impreza, with a significant redesign from the previous 'GC' generation. The WRX variant was a key part of this generation's global launch.
Subaru Impreza Generations:
First Gen (GC/GF/GM): 1993-2001; Second Gen (GD/GG): 2001-2007; Third Gen (GE/GH/GR/GV): 2007-2014; Fourth Gen (GJ/GP/GK/GT): 2011-2022; Fifth Gen (GU/G1X): 2022-Present.
Production Locations:
Primarily manufactured in Japan.
