🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX STI Year: 2007 Model Lineup Covered: Impreza, WRX, STI Body Styles Covered: Sedan, Wagon Chassis Variants Covered: Standard Impreza, WRX, WRX-TR, STI, Outback (potentially limited to chassis compatibility) Steering Positions Covered: LHD (Left Hand Drive), RHD (Right Hand Drive) Codes Chassis Code: GDB (for WRX/STI variants) 👋 Introduction Market Position Segment: Performance Compact Sedan/Wagon Usp: All-Wheel Drive, turbocharged boxer engines, rally-bred heritage Competitive Analysis Key Competitors: Mitsubishi Lancer Evolution, Volkswagen GTI, Mazdaspeed3, Ford Focus RS (later models) Key Features Performance Focus: Designed for enthusiasts seeking high performance and handling capabilities Manual Organization: User-friendly navigation with clear chapter titles and bookmarking Value Proposition Benefits To Buyer: Empowers owners and technicians with accurate manufacturer information for effective maintenance and repair, saving time and money. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive Service and Repair Specific Systems Covered: Engine, Drivetrain, Chassis, Suspension, Steering, Brakes, Electrical Systems, Bodywork, HVAC, Fuel System, Emissions Control, Interior Trim Page Count Estimated Page Count: Extensive (typical for full workshop manuals, likely 1000+ pages) Manual Type Type: Workshop Manual / Service Manual Language Language: English Format File Format: PDF Platform Compatibility: Windows XP, Vista, 7, 8, macOS Bookmarking Style: Chapter titles, not code file names File Structure: Single, unified PDF file Quality Assurance File Integrity Check: Checked and reorganized for usability Delivery Medium Media Type: Burned CD (with virus-free guarantee) 📖 Manual Coverage Systems Covered Engine Mechanical: Full disassembly, inspection, assembly, torque specifications, timing procedures Engine Management: ECU diagnosis, sensor testing, fuel injection system, ignition system Drivetrain: Manual transmissions (5-speed and 6-speed STI), clutch assembly, transfer case, differentials (front, center, rear) Suspension: Front and rear suspension components, alignment specifications, damper and spring replacement Steering: Power steering system, steering rack and linkage, steering column Brakes: Brake system components (calipers, rotors, master cylinder), ABS system, brake fluid specifications Electrical Systems: Wiring diagrams, component locations, fuse and relay information, starting and charging system, lighting, accessories Body And Chassis: Body panel removal and installation, structural components, interior trim, exterior trim HVAC: Air conditioning system, heating system, climate control diagnostics Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter, injectors Emissions Control: Emissions control devices, catalytic converter, EVAP system Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, timing belt/chain inspection (depending on engine variant) Disassembly Procedures: Step-by-step instructions for removing and separating components Installation Procedures: Step-by-step instructions for reassembling and fitting components Troubleshooting Guides: Diagnostic flowcharts and procedures for identifying and resolving common problems Diagnostic Procedures: Technical diagnostic steps for various systems, including electrical testing and sensor analysis Repair Procedures: Detailed instructions for repairing faulty components and systems Technical Data Reference: Torque specifications, clearances, tolerances, fluid capacities, electrical values Technical Depth Depth: Most Complete Workshop Manual Available Target User: Professional Technicians, Experienced DIY Mechanics Illustrations Presence: Numerous Illustrations & Diagrams Wiring Diagrams Availability: Included Manufacturer Origin Source: Written by the Manufacturer Dealership Usage Professional Endorsement: Used by Dealership Mechanics Printing Capability Print Options: Print specific pages or the entire manual 📊 Manual Specifications File Format Format: PDF Searchability: Assumed searchable due to PDF format and professional organization Print Quality Printability: High-quality, suitable for printing Binding Type Binding Description: N/A (Digital format) Paper Type Paper Description: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Variant 1: 2.5L EJ253 SOHC Naturally Aspirated (Standard Impreza models, often less performance-oriented) Engine Variant 2: 2.5L EJ255 DOHC Turbocharged (WRX models) Engine Variant 3: 2.5L EJ257 DOHC Turbocharged (STI models - higher output) Performance Horsepower Wrx: Approx. 230 hp @ 5600 rpm (EJ255) Torque Wrx: Approx. 235 lb-ft @ 3600 rpm (EJ255) Horsepower Sti: Approx. 300 hp @ 6000 rpm (EJ257) Torque Sti: Approx. 310 lb-ft @ 3600 rpm (EJ257) Fuel System Induction Type: Turbocharged (WRX/STI), Naturally Aspirated (Standard Impreza) Fuel Delivery: Multi-point Fuel Injection (MPI) Engine Layout Layout: Horizontally-opposed (Boxer) Displacement: 2.5 Liters (2457 cc) Engine Maintenance Timing Belt Or Chain: Timing Belt (EJ253 SOHC), Timing Chain (EJ255/EJ257 DOHC - Note: Early EJ255/EJ257 can have head gasket issues; manual will detail related checks) 🔧 Transmission Standard Standard Transmission: 5-Speed Manual Transmission (Standard Impreza/WRX) Optional Optional Transmission Sti: 6-Speed Manual Transmission (STI) Optional Transmission Automatic: 4-Speed Automatic Transmission (Available on some non-WRX/STI models) Features AWD System: Symmetrical All-Wheel Drive (standard on all WRX/STI models, with variations in center differential type) Sti Diff Type: Driver Controlled Center Differential (DCCD) on STI models for advanced AWD control 📐 Dimensions Exterior Wheelbase Sedan: Approx. 103.0 inches Wheelbase Wagon: Approx. 103.0 inches Overall Length Sedan: Approx. 179.5 inches Overall Length Wagon: Approx. 175.8 inches Track Width Front Sti: Approx. 59.4 inches Track Width Rear Sti: Approx. 59.3 inches Weights Curb Weight Wrx Sedan: Approx. 3100-3200 lbs Curb Weight Sti Sedan: Approx. 3300-3400 lbs 🛡️ Safety Features Ratings NHTSA Frontal Driver: Good (for 2007 model year)...