🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX STI Model Variant: WRX STI Year: 2001-2002 Codes Chassis Code: GDB 👋 Introduction Market Position Positioning: High-performance rally-bred compact sedan, targeting enthusiasts and performance drivers. Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Ford Focus RS, Honda Civic Type R (in some markets). Key Features Performance Orientation: Renowned for its Symmetrical All-Wheel Drive system, turbocharged Boxer engine, and rally heritage. Target Audience: Enthusiasts seeking to maintain, modify, or repair their performance Subaru. 📋 Manual Details Coverage Areas Coverage: Complete vehicle repair and maintenance Page Count Pages: Hundreds (specific number not provided but implied to be extensive) Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine: Engine mechanical (EJ207 variant), lubrication, cooling, fuel, ignition, emission control, turbocharger system, ECU diagnostics Transmission: Manual transmission (TY757 series), clutch system, drivetrain, differentials (front, center, rear) Brakes: Brake system (including ABS), hydraulic components, disc brake service, parking brake Suspension: Front and rear suspension, struts, control arms, bushings, alignment specifications Steering: Power steering system, steering rack, linkages Electrical: Wiring diagrams, starting and charging system, lighting, instrumentation, body electricals, power accessories, ECU, sensors Body: Body panels, interior trim, exterior trim, doors, windows, seals, chassis HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system components and service Safety: Airbag system (SRS), seat belts Procedures Included Maintenance: Routine maintenance, fluid changes, filter replacements, lubrication, belt inspection and replacement Repair: Engine rebuild, transmission overhaul, brake component replacement, suspension repair, electrical diagnostics and repair, body panel repair Troubleshooting: Diagnostic procedures for common and complex issues, symptom-based troubleshooting guides Restoration: Refurbishment procedures for various components Technical Depth Depth: Comprehensive: Covers basic maintenance to complete engine and transmission rebuilds, detailed diagnostic procedures, and electrical system schematics. 📊 Manual Specifications File Format Quality: High-resolution, clear text and diagrams for easy readability and printing. Searchable: Likely searchable text content within the PDF for quick information retrieval. Print Quality Printable: Designed to be printable, allowing users to create physical copies of specific sections or the entire manual. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Code: EJ207 (typically) Configuration: 2.0L Flat-4 (Boxer) Aspiration: Turbocharged Performance Horsepower: Approx. 280 PS (276 hp) at 6,000 rpm (JDM specification, varies by market/tune) Torque: Approx. 343 Nm (253 lb-ft) at 4,000 rpm (JDM specification, varies by market/tune) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) with Sequential Fuel Injection (SFI) Fuel Type: Unleaded gasoline (premium, high octane recommended) 🔧 Transmission Standard Type: 6-speed Manual Transmission Optional Type: N/A (STI models typically only offered with manual) Features Drivetrain: Symmetrical All-Wheel Drive (AWD) with Driver Controlled Center Differential (DCCD) 📐 Dimensions Exterior Wheelbase: Approx. 2515 mm (99.0 inches) Length: Approx. 4405 mm (173.4 inches) Width: Approx. 1750 mm (68.9 inches) Height: Approx. 1410 mm (55.5 inches) Weights Curb Weight: Approx. 1400-1450 kg (3086-3197 lbs), depending on specification 🛡️ Safety Features Ratings Crash Test Ratings: NHTSA and IIHS ratings for the Impreza generation, specific STI ratings may vary by market. Active Features ABS: Standard Anti-lock Braking System (ABS) AWD: Symmetrical All-Wheel Drive for enhanced traction and stability Dccd: Driver Controlled Center Differential for adjustable torque split Passive Features Airbags: Driver and front passenger airbags, potentially side airbags depending on trim. Seat Belts: 3-point seat belts with pretensioners 💡 Technology Features Infotainment Audio System: Factory-installed Clarion or Panasonic audio systems, typically with CD player and AM/FM radio. Aftermarket upgrades are common. Driver Assistance Traction Control: Advanced AWD system, but electronic traction control systems are less prominent than on later models. Connectivity Auxiliary Input: Rarely present on factory units; aftermarket solutions are typically required for modern connectivity. 🔧 Maintenance Service Intervals Oil Change: Typically every 3,000-5,000 miles or 3-6 months, especially under spirited driving conditions. Consult manual for exact intervals. Timing Belt: Crucial: Check manual for replacement interval (typically 105,000 miles or 7 years), often recommended preemptively due to catastrophic failure risk. Spark Plugs: Refer to manual for specific type and replacement interval (e.g., iridium plugs). Fluid Specifications Engine Oil: Refer to manual, but typically 5W-30 or 10W-30 synthetic engine oil is recommended, meeting API SN or similar. Coolant: Subaru Super Coolant (blue) or equivalent ethylene glycol-based coolant with anti-corrosive additives. Brake Fluid: DOT 3 or DOT 4 brake fluid. Transmission Fluid: Manual transmission fluid specific to Subaru (e.g., GL-5 rated). Differential Fluid: GL-5 rated gear oil for front and rear differentials. Center differential may have specific fluid. Consult manual. Known Issues Head Gaskets: While less common on EJ207 compared to later EJ25 engines, inspection for leaks is prudent. Turbocharger: Potential for turbocharger wear or failure if not properly maintained or if oil starvation occurs. Clutch Wear: High-performance clutch can wear faster with aggressive driving. Engine Oil Consumption: Some models may exhibit higher than average oil consumption; regular...