🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX & STI Year: 2008 Generation Generation Code: GR/GV (3rd Generation) Codes Chassis Code Wrx: GRB Chassis Code Sti: GRB 👋 Introduction Market Position Segment: Performance Compact / Sport Compact Sedan and Hatchback Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Volkswagen Golf GTI, Mazdaspeed3, Ford Focus ST Key Features Performance Heritage: Renowned for rally heritage and potent turbocharged engines. All Wheel Drive: Standard Symmetrical All-Wheel Drive system, a hallmark of Subaru performance. Sti Enhancements: STI model features significant upgrades including a more powerful engine, advanced DCCD, and performance suspension. 📋 Manual Details Coverage Areas Covered Regions: Global (factory service manual specifications) Page Count Estimated Pages: Thousands (typical factory service manual for this era) Manual Type Manual Type: Factory Service Manual (FSM) / Workshop Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine (EJ255 for WRX, EJ257 for STI), Transmission (5-speed Manual for WRX, 6-speed Manual for STI), Drivetrain (Symmetrical All-Wheel Drive, DCCD for STI) Chassis And Suspension: Front Suspension (Double Wishbone), Rear Suspension (Multi-link), Steering System (Hydraulic Power Steering), Brakes (Front Ventilated Discs, Rear Solid/Ventilated Discs), Wheels and Tires Electrical And Electronics: Wiring Diagrams, Lighting Systems, Ignition System, Starting System, Charging System, Instrumentation, Audio System, Body Control Modules, ECU/ECM Diagnostics Body And Interior: Body Repair Procedures, Exterior Panels, Interior Trim, HVAC System, Safety Restraints (Airbags), Doors, Windows, Seats Special Equipment Sti: Driver Controlled Center Differential (DCCD), STI-specific Engine Components, STI-specific Suspension Components, STI-specific Aerodynamics Procedures Included Maintenance: Scheduled Maintenance, Oil Changes, Filter Replacements, Fluid Checks and Replacements, Spark Plug Service, Brake Pad and Rotor Replacement Repair And Rebuild: Engine Teardown and Reassembly, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Replacement, Body Panel Repair and Replacement Troubleshooting: Diagnostic Trouble Codes (DTCs), Common Faults and Symptom-Based Diagnostics, Electrical System Troubleshooting, Engine Performance Issues Technical Data: Torque Specifications, Tightening Sequences, Component Clearances, Diagnostic Parameters, Specifications for Alignment and Balancing Technical Depth Depth: Comprehensive: Covers complete tear down and rebuild for all major systems. 📊 Manual Specifications File Format PDF Quality: High-resolution scans of original factory documentation, ensuring clarity of text and diagrams. Searchable Text: Likely includes OCR (Optical Character Recognition) for searchable text, facilitating quick access to information. Print Quality Printable: Fully printable on demand, allowing users to print specific sections or the entire manual. Binding Type Binding: Digital PDF (not physically bound) Paper Type Paper Quality: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Wrx Engine Code Wrx: EJ255 Engine Type Wrx: 2.5L DOHC 16-Valve Turbocharged Boxer-4 Horsepower Wrx: 265 hp @ 6000 rpm Torque Wrx: 244 lb-ft @ 2000 rpm Primary Engine Sti Engine Code Sti: EJ257 Engine Type Sti: 2.5L DOHC 16-Valve Turbocharged Boxer-4 with AVCS and Top-Mount Intercooler Horsepower Sti: 305 hp @ 6000 rpm Torque Sti: 290 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Sequential Multi-port Fuel Injection (MPI) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Management ECU Type: Engine Control Unit (ECU) / Engine Control Module (ECM) 🔧 Transmission Standard Wrx Transmission Type Wrx: 5-Speed Manual Transmission Standard Sti Transmission Type Sti: 6-Speed Manual Transmission Drivetrain Drivetrain Type: Symmetrical All-Wheel Drive (AWD) Features Sti Dccd System: Driver Controlled Center Differential (DCCD) with automatic and manual modes. Fluid Specifications Manual Transmission Fluid: API GL-5, SAE 75W-90 (Subaru Genuine Gear Oil or equivalent recommended) 📐 Dimensions Exterior Sedan Length Sedan: 4580 mm (179.5 in) Width Sedan: 1795 mm (70.7 in) Height Sedan: 1475 mm (58.1 in) Exterior Hatch Length Hatch: 4415 mm (173.8 in) Width Hatch: 1795 mm (70.7 in) Height Hatch: 1445 mm (56.9 in) Wheelbase Wheelbase: 2650 mm (104.3 in) Weights Curb Weight Wrx Sedan: ~1480 kg (3263 lbs) Curb Weight Sti Sedan: ~1505 kg (3318 lbs) 🛡️ Safety Features Ratings NHTSA Ratings 2008: Likely received good ratings, consistent with Subaru's safety focus. Specific NHTSA results for 2008 models would be detailed in the manual or accessible via NHTSA's database. Active Features Traction Control: Standard Electronic Stability Control: Standard (Subaru Vehicle Dynamics Control - VDC) Passive Features Airbags: Front Airbags, Side Airbags, Side Curtain Airbags Seatbelts: 3-point Height-Adjustable Front Seatbelts with Pretensioners and Load Limiters, 3-point Rear Seatbelts 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD stereo with auxiliary input, optional premium audio (e.g., 10-speaker system for STI). Navigation: Optional factory navigation system. Driver Assistance Cruise Control: Standard Connectivity Bluetooth: Available on some trims or as an aftermarket addition. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles (6,000 km) or 3 months (severe conditions) / 7,500 miles (12,000 km) or 6 months (normal conditions), depending on driving style and conditions. Engine Oil Filter: Replace at every oil change. Air Filter Replacement: Every 15,000 miles (24,000 km) or as needed based on inspection. Spark Plug Replacement: Approximately 60,000 miles (96,000 km) for iridium-tipped...