🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX STi Generation: GD/GG (Second Generation) Codes Chassis Code: GDB Engine Code Prefix: EJ 👋 Introduction Market Position Segment: Performance Compact Sedan/Wagon Target Audience: Enthusiasts, performance drivers, rally sport fans Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Nissan Sentra SE-R, Volkswagen Golf GTI Key Features All Wheel Drive: Symmetrical All-Wheel Drive (SAWD) as standard Turbocharged Engine: Performance-tuned turbocharged boxer engine Suspension: Performance-oriented suspension tuning Rally Heritage: Direct lineage and technology from Subaru's WRC program 📋 Manual Details Coverage Areas Covered Models: All Subaru Impreza WRX STi Models Covered Years: 2001, 2002 Page Count Estimated Pages: Thousands (comprehensive workshop manual) Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: Digital (likely PDF, printable pages) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, cylinder head, pistons, crankshaft, camshafts, timing system, lubrication system Engine Management: ECU, fuel injection, ignition system, emissions control, sensors, actuators, diagnostic trouble codes (DTCs) Transmission: Manual transmission (TY757/TY856 variations), clutch system, drivetrain components (driveshafts, differentials) Suspension: Front and rear suspension, struts, springs, control arms, anti-roll bars, alignment specifications Brakes: Brake system hydraulics, calipers, rotors, pads, ABS system, parking brake Electrical: Wiring diagrams, lighting system, starting and charging system, fuses, relays, instrumentation, comfort systems Body And Chassis: Body panels, doors, interior trim, chassis components, crash structure, rust prevention HVAC: Heating, ventilation, and air conditioning system components and servicing Fuel System: Fuel pump, fuel injectors, fuel lines, fuel tank, fuel filter replacement Cooling System: Radiator, water pump, thermostat, coolant hoses, pressure testing Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks and top-offs, brake pad inspection Troubleshooting: Diagnostic procedures for common malfunctions, symptom-based troubleshooting guides Repair And Rebuild: Detailed step-by-step instructions for component removal, installation, and rebuilding (e.g., engine, transmission, turbocharger) Diagnostics: Use of diagnostic tools, interpretation of diagnostic data, fault code identification and resolution Component Replacement: Instructions for replacing common wear items and major components Torque Specifications: Precise torque values for all critical fasteners Technical Depth Depth: Comprehensive (A-Z coverage) from basic maintenance to advanced engine and transmission rebuilds Visual Aids: Tons of detailed pictures and diagrams Electrical Detail: Detailed electrical schematics and wiring diagrams Diagnostic Codes: Coverage of Diagnostic Trouble Codes (DTCs) and their resolutions 📊 Manual Specifications File Format Format Type: Digital (likely PDF) Searchability: Likely searchable text for quick information retrieval Print Quality Printability: All pages are printable Binding Type Binding Type: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Type: EJ207 (2.0L DOHC Turbocharged Boxer) Displacement: 1994 cc Bore X Stroke: 92.0 mm x 75.0 mm Compression Ratio: 8.0:1 Horsepower: 280 PS (276 hp) @ 6400 rpm (JDM Spec) Torque: 35.2 kg-m (345 Nm / 254 lb-ft) @ 4400 rpm (JDM Spec) Performance Redline: 7500 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Unleaded Premium Gasoline (95 RON or higher recommended) Turbocharger: Mitsubishi TD05H-16G (Twin Scroll) Intercooler: Top-mounted air-to-air intercooler 🔧 Transmission Standard Type: 6-speed Manual Transmission Gear Ratios: Refer to manual for specific gear ratios (varies slightly by sub-model) Optional Type: N/A (STi models were exclusively manual) Features All Wheel Drive System: Driver Controlled Center Differential (DCCD) Rear Differential: Helical Limited Slip Differential (LSD) Front Differential: Open or Helical LSD (depending on sub-model/region) 📐 Dimensions Exterior Wheelbase: 2515 mm (99.0 in) Length: 4405 mm (173.4 in) Width: 1770 mm (69.7 in) Height: 1440 mm (56.7 in) Weights Curb Weight: Approx. 1400-1450 kg (3086-3197 lbs) Gross Vehicle Weight Rating: Refer to vehicle placard 🛡️ Safety Features Ratings NHTSA Front Impact: Not rated for this specific year/trim in all markets, but generally performed well for its era. IIHS Front Offset: Not rated for this specific year/trim in all markets. Active Features Traction Control: Subaru's Traction Control System (TRC) ABS: Anti-lock Braking System (ABS) - 4-wheel disc brakes Dccd: Driver Controlled Center Differential for torque distribution management Passive Features Airbags: Driver and passenger front airbags Seatbelts: 3-point front and rear seatbelts, pre-tensioners Body Structure: Reinforced chassis and crumple zones 💡 Technology Features Infotainment Audio System: Factory CD player with radio, potentially basic cassette player depending on trim. Instrument Cluster: Analog gauges including tachometer, speedometer, fuel level, coolant temperature, boost gauge (often integrated). Driver Assistance Cruise Control: Standard electronic cruise control system. Limited Slip Differentials: Advanced AWD system with DCCD and LSDs for enhanced traction and handling. Connectivity Auxiliary Input: Unlikely on factory units for this era. Aftermarket head unit upgrades are common. 🔧 Maintenance Service Intervals Oil Change: Every 3,000-5,000 miles or 3-6 months, depending on driving conditions (severe vs. normal). Engine Oil Filter Replacement: Concurrent with oil changes. Air Filter Replacement: Every 15,000-30,000 miles or annually. Spark Plug Replacement: NGK PFR7B (or equivalent) recommended every 30,000 miles for performance. Coolant Flush: Every 30,000-60,000 miles or 2-4 years. Transmission Fluid Change:...