🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX & STI Model Code: GE/GH/GR/GV Year: 2008 Generation Generation: Third Generation (2007-2014) Codes Chassis Codes: GE (Hatchback), GH (Sedan) 👋 Introduction Market Position Market Position: Performance compact car, known for its rally heritage and all-wheel-drive system. Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Ford Focus RS, Volkswagen Golf GTI/R. Key Features Key Features Vehicle: Symmetrical All-Wheel Drive, turbocharged Boxer engines (WRX/STI), performance-tuned suspension, distinctive styling. Key Features Manual: Comprehensive factory data, detailed diagrams, step-by-step instructions, covers both WRX and STI variants for the specific model year. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Workshop Manual Language: English File Format: PDF Compatibility: All Versions of Windows & Mac Printability: All pages are printable Digital Features: Instant Download, Searchable Text (implied by PDF) 📖 Manual Coverage Systems Covered General Information: Includes vehicle identification, specifications, diagnostics, and general maintenance procedures. Engine Wrx Non Turbo: Covers the H4SO engine (naturally aspirated) including disassembly, assembly, maintenance, and repair. Engine Wrx Turbo: Covers the H4DOTC engine (turbocharged) for WRX models, including turbocharger systems, maintenance, and repair. Engine Sti: Detailed coverage of the STI-specific engine, likely the EJ257, including its unique components and performance enhancements. Transmission Wrx: Covers the WRX transmission (likely a 5-speed manual or optional 4-speed automatic) including maintenance, repair, and specifications. Transmission Sti: Detailed coverage of the STI's 6-speed manual transmission, including clutch, differential, and gearbox overhaul. Chassis Wrx Sti: Includes suspension (front and rear), steering systems, wheel alignment, and chassis component repair. Body Wrx Sti: Covers exterior and interior body panels, doors, glass, seals, and trim. Wiring Wrx Sti: Comprehensive electrical schematics, wiring harnesses, component locations, and troubleshooting for all systems. Body Repair Wrx Sti: Provides guidance on structural repairs, collision damage assessment, panel replacement, and corrosion prevention. Procedures Included Maintenance Procedures: Routine maintenance tasks such as oil changes, filter replacements, fluid checks, spark plug replacement, and belt inspection. Diagnostic Procedures: Troubleshooting guides for common issues, symptom-based diagnostics, and diagnostic trouble code (DTC) explanations. Repair Procedures: Step-by-step instructions for component removal, disassembly, reassembly, and installation of all major systems. Rebuild Procedures: Detailed procedures for engine and transmission rebuilds, including torque specifications, clearances, and component checks. Installation Procedures: Guidance on installing aftermarket parts or replacing specific components. Technical Depth Technical Depth: Covers everything from basic DIY maintenance to advanced mechanical and electrical system repairs, suitable for both novice and professional mechanics. Diagrams Illustrations Diagram Quality: Top quality diagrams and exploded view pictures. Instruction Style: Easy-to-read text sections with step-by-step instructions. 📊 Manual Specifications File Format File Type: PDF Required Software: Adobe PDF Reader, WinZip (for downloading/extracting) Print Quality Print Quality: High-resolution for clear readability and detailed diagrams. Binding Type Binding Type: N/A (Digital Product) Paper Type Paper Type: N/A (Digital Product) ⚙️ Engine Specifications Primary Engine Wrx Engine Type Wrx: 2.5L Flat-4 DOHC turbocharged (EJ255) Horsepower Wrx: Approx. 224-265 hp (depending on market and specific tune) Torque Wrx: Approx. 226-244 lb-ft Primary Engine Sti Engine Type Sti: 2.5L Flat-4 DOHC turbocharged (EJ257, often with AVCS and stronger internals) Horsepower Sti: Approx. 305 hp Torque Sti: Approx. 290 lb-ft Performance Engine Management: ECU controlled fuel injection and ignition timing. Fuel System Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Fuel Delivery: Multi-point fuel injection (MPI). Engine Maintenance Timing Belt Replacement: Refer to manual for specific interval, typically around 105,000 miles or 105 months for EJ series engines. Crucial for these interference engines. Spark Plug Type: Iridium (e.g., NGK SILFR6A or equivalent) 🔧 Transmission Standard Wrx Transmission Type Wrx: 5-Speed Manual Transmission Optional Wrx Transmission Type Optional Wrx: 4-Speed Automatic Transmission (with Sportshift functionality) Standard Sti Transmission Type Sti: 6-Speed Manual Transmission Features Sti Sti Dccd: Driver Controlled Center Differential (DCCD) for adjustable torque split, a key STI feature. Fluid Specifications Manual Transmission Fluid Spec: Subaru Genuine Gear Oil (API GL-5, SAE 75W-90) or equivalent is typically recommended. Check manual for exact fill. Automatic Transmission Fluid Spec: Subaru ATF HP is typically recommended for 4-speed automatic transmissions. Consult manual for exact type and quantity. Clutch System Clutch Type: Hydraulically actuated, multi-plate dry clutch (STI) or single-plate dry clutch (WRX). 📐 Dimensions Exterior Dimensions Hatchback Length Hatchback: Approx. 4,415 mm (173.8 in) Width Hatchback: Approx. 1,795 mm (70.7 in) Height Hatchback: Approx. 1,475 mm (58.1 in) Exterior Dimensions Sedan Length Sedan: Approx. 4,580 mm (180.3 in) Width Sedan: Approx. 1,795 mm (70.7 in) Height Sedan: Approx. 1,445 mm (56.9 in) Wheelbase Wheelbase: Approx. 2,625 mm (103.3 in) Weights Curb Weight: Varies by trim and transmission, typically ranging from 3,100 lbs to 3,400 lbs. Gross Vehicle Weight Rating: Refer to vehicle placard or manual for specific GVWR. Towing Capacity: Not typically rated for towing. Wheel Tire Specs Wheel Size Wrx: Typically 17-inch alloy wheels. Wheel Size Sti: Typically 18-inch alloy wheels. Tire Size Wrx: Commonly...