🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX STI TS RS Year: 2001-2002 Generation Generation Code: GD/GG Codes Chassis Code Wrx: GDA Chassis Code Sti: GDB 👋 Introduction Market Position Target Audience: Professional automotive technicians, experienced DIY enthusiasts, Subaru performance specialists. Vehicle Segment: Performance Compact Sedan / Hatchback Competitive Analysis Key Competitors: Mitsubishi Lancer Evolution, Ford Focus RS, Volkswagen Golf GTI/R32, Honda Civic Type R (depending on market). Key Features Vehicle Usp: Iconic rally-bred performance, symmetrical All-Wheel Drive, turbocharged Boxer engine, driver-focused dynamics. Manual Value Proposition: Essential resource for maintaining and repairing the unique performance systems of the Impreza WRX STI TS RS. 📋 Manual Details Coverage Areas Coverage Areas Overview: Comprehensive factory service and repair for all systems. Page Count Estimated Page Count: Over 1500 pages (typical for comprehensive factory manuals of this era). Manual Type Manual Type: Factory Service Repair Manual / Workshop Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, troubleshooting, overhaul, lubrication, cooling, fuel, emissions. Engine Electrical: Ignition system, starting and charging systems, ECU diagnosis, sensors, actuators, wiring diagrams. Transmission Manual: Operation, overhaul, clutch, gearbox, differential, torque specifications, lubrication. Transmission Automatic: Operation, overhaul, torque converter, valve body, electronic controls, torque specifications, lubrication (if applicable). Drivetrain: All-Wheel Drive (AWD) system, center differential, driveshafts, axles, hubs, wheel bearings. Suspension: Front and rear suspension components, shock absorbers, springs, bushings, alignment specifications, troubleshooting. Steering: Power steering system, steering column, steering gear, tie rods, alignment, troubleshooting. Brakes: Brake system components (calipers, rotors, pads), hydraulic system, ABS, parking brake, bleeding procedures, torque specifications. Body: Body panels, doors, hood, trunk, interior trim, glass, seals, corrosion prevention. Electrical Body: Lighting system (headlights, taillights, interior), power windows, mirrors, wipers, horn, central locking, body control modules. HVAC: Heating, ventilation, and air conditioning (HVAC) system, refrigerant handling, diagnosis, repair. Safety Restraints: Airbag system, seat belts, SRS module, diagnostic procedures. Diagnostics Troubleshooting: System-wide diagnostic flowcharts, common fault codes, troubleshooting procedures. Procedures Included Scheduled Maintenance: Detailed intervals for oil changes, filter replacements, fluid checks, inspections. Engine Overhaul: Complete engine rebuild procedures, including piston ring replacement, bearing inspection, cylinder head work. Transmission Repair: Detailed steps for gearbox and differential overhaul, clutch replacement, AWD system maintenance. Brake System Service: Brake pad and rotor replacement, caliper service, brake fluid flush and bleeding. Suspension Component Replacement: Strut, shock absorber, ball joint, control arm, and bushing replacement. Electrical Diagnosis And Repair: Troubleshooting electrical faults using wiring diagrams, component testing, sensor calibration. Bodywork And Trim Removal: Procedures for removing and reinstalling body panels, interior trim pieces, and glass. HVAC System Service: Diagnosis of cooling/heating issues, refrigerant recharging, component replacement. Airbag System Service: Safe procedures for working with SRS components, replacement of modules and sensors. Technical Depth Depth Of Information: Factory-level detail for complete overhauls and complex repairs. Diagnostic Capabilities: Advanced diagnostic procedures, including interpreting diagnostic trouble codes (DTCs) and using specialized tools. Repair Procedures: Step-by-step instructions with torque specifications, special tool requirements, and critical tolerances. Wiring Diagrams: Detailed, system-specific wiring diagrams for electrical components and troubleshooting. Illustrations And Diagrams: Numerous diagrams, exploded views, and illustrations to clarify assembly and disassembly processes. 📊 Manual Specifications File Format File Format: PDF Searchability: Searchable text content for quick information retrieval. Print Quality Print Quality: High-resolution scans suitable for professional printing. Binding Type Binding Type: Digital (N/A for printed format, but implies easy digital access and printing capabilities). Paper Type Paper Type: Digital (N/A for printed format). ⚙️ Engine Specifications Primary Engine Engine Code Wrx: EJ205 (2.0L Turbocharged Flat-4) Engine Code Sti: EJ207 (2.0L Twin-Scroll Turbocharged Flat-4) - JDM; EJ257 (2.5L Turbocharged Flat-4) - USDM Performance Wrx Horsepower Wrx: Approx. 227 hp @ 5600 rpm (USDM) Torque Wrx: Approx. 217 lb-ft @ 4000 rpm (USDM) Performance Sti Jdm Horsepower Sti Jdm: Approx. 280 PS (276 hp) @ 6000 rpm (JDM 'gentleman's agreement') Torque Sti Jdm: Approx. 333 Nm (246 lb-ft) @ 4000 rpm (JDM) Performance Sti Usdm Horsepower Sti Usdm: Approx. 300 hp @ 6000 rpm (USDM) Torque Sti Usdm: Approx. 300 lb-ft @ 4000 rpm (USDM) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) 🔧 Transmission Standard Transmission Type Wrx: 5-Speed Manual Transmission Type Sti: 6-Speed Manual Optional Optional Transmission: None (Performance models were manual only) Features AWD System: Subaru Symmetrical All-Wheel Drive with Driver Controlled Center Differential (DCCD) on STI models. 📐 Dimensions Exterior Length: Approx. 4415 mm (173.8 in) Width: Approx. 1770 mm (69.7 in) Height: Approx. 1440 mm (56.7 in) Wheelbase: Approx. 2625 mm (103.3 in) Track Width Front: Approx. 1515 mm (59.6 in) Track Width Rear: Approx. 1515 mm (59.6 in) Cargo Trunk Volume: Approx. 12.4 cu ft (Sedan), 11.0 cu ft (Wagon - if applicable for these trims) Weights Curb Weight Wrx: Approx. 3150 lbs (1429 kg) Curb Weight Sti: Approx....