🏷️ Basic Information Identification Make: Subaru Model: Impreza Sub Model: WRX, WRX STi Model Year: 2001 Generation Generation Code: Second Generation (GD/GG) Generation Years: 2000-2007 (Global) Codes Chassis Codes: GDB (WRX/STi) 👋 Introduction Market Position Market Segment: Performance Compact/Mid-size Sedan and Wagon. Target Audience: Enthusiasts, DIY mechanics, Subaru owners focused on performance and customization. Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Honda Civic Type R (in performance variants), Volkswagen Golf GTI. Key Features Performance Focus: Symmetrical All-Wheel Drive, turbocharged engines, rally-inspired heritage. Diy Support: Designed for comprehensive DIY repair and maintenance, providing professional-level information. Value Proposition Value: Provides access to official, complete service information for maintaining and repairing the vehicle, saving costs on professional services. 📋 Manual Details Coverage Areas Covered Models: 2001 Subaru Impreza, Impreza WRX, Impreza WRX STi (All models covered) Geographic Coverage: Likely targeted at models sold in North America, though official factory manuals can vary by region. Page Count Estimated Page Count: Thousands (typical for comprehensive workshop manuals, actual count not specified but implied to be complete). Manual Type Type: Workshop Repair & Service Manual Purpose: DIY Repair, Maintenance, Restoration, Technical Information Language Language: English Format Format: PDF Cross Platform Compatibility: Windows, Mac, Linux 📖 Manual Coverage Systems Covered Engine: Complete engine service, disassembly, reassembly, removal, engine firing order, timing chain service, engine performance tuning, fuel and lubrication systems. Transmission: Gearbox service, gearbox removal and installation, clutch removal and installation, U-joint service procedures, CV joint service procedures. Chassis: Wheels, brakes, steering, suspension (front suspension), axles, chassis assembly. Electrical: Electrical system, ignition, charging, starter, battery, switches, wiring diagrams, wire/cable/hose routing. Bodywork: Bodywork. Cooling System: Cooling system service. Exhaust System: Exhaust system service. Procedures Included Maintenance: Periodic maintenance and tune-up procedures, factory maintenance schedules. Repair: All factory repair procedures, fault finding, diagnostic procedures. Rebuild: Engine rebuild, carburetor rebuild (if applicable). Diagnostics: All diagnostic and repair procedures. Technical Depth Depth: Comprehensive, detailed, access to same information as professional technicians and mechanics. Illustrations: Abundant illustrations, lots of pictures & diagrams. Data: Service data, detailed specifications, tightening torques. 📊 Manual Specifications File Format File Type: PDF Searchability: Implied searchable text within PDF format. Print Quality Printability: Printable manual with diagrams. Binding Type Binding Type: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) Completeness Completeness Guarantee: 100% Complete and Intact, Absolutely No Missing Pages. Quality Assurance Quality Assurance: High Quality Official Manual. ⚙️ Engine Specifications Primary Engine Engine Code Wrx: EJ205 (2.0L Turbocharged Boxer) Engine Code Sti: EJ207 (2.0L Turbocharged Boxer - JDM Spec, export markets may differ) Performance Horsepower Wrx: Approx. 227 hp @ 5600 rpm (US Spec) Torque Wrx: Approx. 217 lb-ft @ 4000 rpm (US Spec) Horsepower Sti: Approx. 280 PS (276 hp) @ 6000 rpm (JDM Spec, European Spec also similar; US Spec STi not available in 2001) Torque Sti: Approx. 350 Nm (258 lb-ft) @ 4000 rpm (JDM Spec) Fuel System Fuel System Type: Multi-Point Fuel Injection (MPFI), Electronic Fuel Injection (EFI) Fuel Requirement: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Features Engine Layout: Horizontally-opposed (Boxer) Aspiration: Turbocharged, Intercooled Valvetrain: DOHC, 4 valves per cylinder 🔧 Transmission Standard Transmission Type Wrx: 5-Speed Manual Transmission Type Sti: 6-Speed Manual (Typically) Optional Optional Transmission: Automatic transmission not typically offered on WRX/STi models of this era. Features Drivetrain: Symmetrical All-Wheel Drive (AWD) Differential Type: Front Helical LSD, Rear Viscous LSD (WRX); Front Helical LSD, Rear Helical LSD (STi) 📐 Dimensions Exterior Body Styles: 4-Door Sedan, 5-Door Wagon Weights Curb Weight Sedan: Approx. 3085 - 3180 lbs (1399 - 1442 kg) for WRX Sedan Curb Weight Wagon: Approx. 3175 - 3290 lbs (1440 - 1492 kg) for WRX Wagon 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 stars (for comparable model year, specific 2001 data may vary) Active Features Active Safety: Anti-lock Braking System (ABS), Subaru Vehicle Dynamics Control (VDC) may be optional on some trims. Passive Features Passive Safety: Front airbags, side airbags (optional). 💡 Technology Features Infotainment Infotainment System: Basic AM/FM/CD stereo system, possibly with cassette player. Digital displays for climate control. Driver Assistance Driver Assistance Features: ABS, potentially Traction Control (on some models/markets). Connectivity Connectivity Options: Limited; may include power outlets, possibly auxiliary input for audio. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 3,000-7,500 miles (5,000-12,000 km) or 6-12 months, depending on driving conditions and oil type (refer to manual for specifics). Timing Belt Replacement: Usually around 60,000-100,000 miles (100,000-160,000 km) or 7-10 years (crucial for EJ series engines). Fluid Specifications Engine Oil Specification: Refer to manual: typically 5W-30 or 10W-30 synthetic blend or full synthetic, API Service SL or higher. Coolant Type: Subaru Super Coolant (Blue) or equivalent. Capacity approximately 7.3-7.9 liters. Transmission Fluid Spec Manual: Refer to manual: Subaru Extra-S or equivalent for 5/6-speed manual transmissions. Differential Fluid Spec Front Rear: Refer to manual: typically SAE 75W-90 synthetic gear oil for...