🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Year: 2011 Generation Generation Code: Third Generation (GE/GH/GR/GV) Codes Chassis Code: GR (hatchback), GV (sedan) 👋 Introduction Market Position Segment: Performance Compact / Rally-Inspired Sedan & Hatchback Target Audience: Enthusiasts, performance drivers, DIY mechanics, professional automotive repair shops. Competitive Analysis Key Competitors: Mitsubishi Lancer Evolution, Volkswagen Golf GTI, Ford Focus RS. Key Features Performance Focus: Emphasis on performance tuning, handling, and engine power delivery. AWD System: Symmetrical All-Wheel Drive system as standard, a hallmark of Subaru performance. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive workshop and repair information for all aspects of the 2011 Subaru Impreza WRX. Page Count Total Pages: 3350 Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, overhaul, timing belt/chain, lubrication system, cooling system, intake manifold, exhaust system. Engine Management: Fuel injection, ignition system, emissions control, ECU (Engine Control Unit) diagnostics and programming. Transmission Manual: Clutch system, manual transmission assembly/disassembly, gear ratios, shift linkage, maintenance. Transmission Automatic: Automatic transmission (if applicable, though WRX is typically manual) assembly/disassembly, torque converter, fluid maintenance. Drivetrain: All-Wheel Drive (AWD) system, front/rear differentials, driveshafts, CV joints, hub assemblies. Suspension: Front and rear suspension components, struts, shocks, control arms, bushings, alignment procedures, servicing. Steering: Power steering system, steering rack, steering column, tie rods, wheel alignment. Brakes: Brake system hydraulics, ABS (Anti-lock Braking System), brake discs, pads, calipers, parking brake, bleeding procedures. Wheels Tires: Wheel specifications, tire pressure monitoring system (TPMS), tire rotation, balancing, wheel mounting procedures. Body Exterior: Body panels, doors, hood, trunk, bumpers, glass, trim, corrosion protection, body repair. Body Interior: Dashboard, seats, upholstery, interior trim, airbags, seat belts, climate control vents. Electrical System: Battery, charging system, starting system, lighting system, wiring diagrams, fuses, relays. Climate Control: HVAC (Heating, Ventilation, and Air Conditioning) system, refrigerant, compressor, evaporator, heater core, controls. Infotainment Audio: Audio system, speakers, navigation (if equipped), antennas, head unit removal/installation. Safety Systems: Airbag system, seatbelt pretensioners, SRS (Supplemental Restraint System) diagnostics. Procedures Included Maintenance Routine: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, brake inspections. Troubleshooting: Diagnostic procedures for common and uncommon issues, fault code interpretation, symptom-based troubleshooting guides. Repair Major: Engine rebuild, transmission overhaul, suspension component replacement, body panel repair. Repair Minor: Component replacement (e.g., alternator, starter, brake pads), minor electrical fixes, interior trim repairs. Diagnosis Diagnostics: Step-by-step diagnostic procedures for electrical and mechanical systems, use of diagnostic tools. Wiring Diagrams: Detailed electrical system wiring diagrams for all major circuits, component locations. Torque Specifications: Precise torque values for all critical fasteners during assembly and disassembly. Special Tools: Identification and usage of specialized tools required for specific repair procedures. Technical Depth Depth Level: Factory-level comprehensive coverage, suitable for professional technicians and advanced DIY enthusiasts. Diagnostic Capability: Detailed diagnostic trouble code (DTC) interpretation and troubleshooting flows. Rebuild Procedures: Complete procedures for engine, transmission, and differential rebuilds. Calibration Procedures: Procedures for calibration of sensors and control modules after replacement or adjustment. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable for efficient information retrieval. Print Quality Print Readability: Designed for clear printing with detailed diagrams and illustrations. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Quality: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Code: EJ255 Engine Type: 2.5L Turbocharged Boxer (Horizontally-Opposed) 4-Cylinder Bore X Stroke: 99.5 mm x 79.0 mm Displacement: 2457 cc (2.5 Liters) Compression Ratio: 8.4:1 Valve Train: DOHC, 16 Valves Performance Horsepower: 305 hp @ 6000 rpm (WRX STI), 265 hp @ 6000 rpm (WRX) Torque: 290 lb-ft @ 4000 rpm (WRX STI), 244 lb-ft @ 4000 rpm (WRX) Fuel System Fuel Delivery: Sequential Multi-Port Fuel Injection (MPI) Fuel Type: Unleaded Premium Gasoline (91 Octane or Higher Recommended) Turbocharger: IHI VF48 (WRX) or Twin Scroll Mitsubishi TD05H-15G (WRX STI) Intercooler: Top-mounted Air-to-Air Intercooler 🔧 Transmission Standard Transmission Type: 6-Speed Manual (WRX STI), 5-Speed Manual (WRX) Optional Transmission Type: N/A (Performance WRX models were manual-only) Features Drivetrain Type: Symmetrical All-Wheel Drive (AWD) Center Differential: Mechanical (WRX) or Driver-Controlled Center Differential (DCCD) on STI Rear Differential: Viscous LSD (WRX) or Helical LSD (WRX STI) 📐 Dimensions Exterior Length Sedan: 4580 mm (179.9 in) Length Hatchback: 4415 mm (173.8 in) Width: 1795 mm (70.7 in) Height Sedan: 1450 mm (57.1 in) Height Hatchback: 1475 mm (58.1 in) Wheelbase: 2650 mm (104.3 in) Ground Clearance: 140 mm (5.5 in) Weights Curb Weight Sedan: Approx. 1505 kg (3318 lbs) Curb Weight Hatchback: Approx. 1520 kg (3351 lbs) Gross Vehicle Weight Rating: Not specified in product info, consult manual for details. 🛡️ Safety Features Ratings IIHS Rating 2011: Good in front-offset, side, and rear impact tests. Good in roof strength (STI sedan and hatch). NHTSA Rating 2011: 5-star frontal, 4-star side, 4-star rollover (Sedan and Hatchback). Active Features...