🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Year: 2012 Codes Chassis Code: GJ/GP Engine Code: EJ255 (2.5L Turbocharged Boxer) 👋 Introduction Market Position Segment: Compact performance sedan/hatchback Usp: Iconic turbocharged Boxer engine, Symmetrical All-Wheel Drive, rally-bred performance heritage. Competitive Analysis Key Competitors: Mitsubishi Lancer Evolution, Volkswagen GTI, Ford Focus ST, Mazdaspeed3. Key Features Performance Focus: Emphasizes driver engagement and all-weather capability. AWD System: Subaru's renowned Symmetrical All-Wheel Drive provides superior traction and handling. 📋 Manual Details Coverage Areas Primary Coverage: North America Secondary Coverage: Global markets with potential regional variations Page Count Total Pages: 3352 Manual Type Type: Workshop Service Manual / Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed disassembly, assembly, inspection, and repair of all engine components (cylinder head, block, pistons, crankshaft, camshafts, timing system, lubrication, cooling). Engine Performance: Turbocharger system, intercooler, intake manifold, exhaust system, fuel injection system, ignition system, emissions control system. Transmission Manual: TR6060 (6-speed manual): Disassembly, assembly, clutch system, shift linkage, maintenance procedures. Transmission Automatic: Not applicable for WRX models, this manual focuses on the manual transmission. Drivetrain: Symmetrical All-Wheel Drive (AWD) system, center differential, rear differential, front axles, rear axles, driveshaft. Suspension: Front struts, rear shock absorbers, springs, control arms, stabilizer bars, bushings, wheel bearings, alignment specifications. Brakes: Front and rear disc brakes (including Brembo calipers on some trims), ABS system, EBD, brake lines, master cylinder, hydraulic troubleshooting. Steering: Power steering system (hydraulic), steering rack, tie rods, steering column, wheel alignment. Electrical System: Battery, alternator, starter, wiring diagrams, fuses, relays, lighting system, power windows, power locks, horn, ignition system. Body And Interior: Body panels, doors, hood, trunk, interior trim, seats, dashboard, HVAC system, airbags. Diagnostics: OBD-II diagnostic trouble codes (DTCs), scan tool procedures, common fault symptoms and their causes, troubleshooting flowcharts. Procedures Included Scheduled Maintenance: Detailed procedures for oil changes, filter replacements, fluid checks and replacements, spark plug replacement, belt inspection and replacement. Repair Procedures: Step-by-step guides for virtually all mechanical and electrical repairs, from basic component replacement to complete system overhauls. Troubleshooting: Systematic diagnostic approaches for identifying and resolving malfunctions across all vehicle systems. Component Replacement: Instructions for replacing parts such as alternators, starters, water pumps, fuel pumps, sensors, actuators, and more. Specifications And Tolerances: Crucial torque values, clearances, and measurements for proper assembly and repair. Wiring Diagrams: Comprehensive electrical schematics for all vehicle systems, aiding in diagnosis and repair of electrical faults. Technical Depth Depth: Comprehensive (from basic maintenance to complete engine/transmission rebuilds and advanced diagnostics). 📊 Manual Specifications File Format Format: PDF Searchability: Searchable text within PDF Print Quality Quality: High resolution, suitable for printing Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: EJ255 turbocharged Boxer engine Displacement: 2.5 Liters (2457 cc) Configuration: Horizontally Opposed (Boxer) 4-cylinder Aspiration: Turbocharged with intercooler Performance Horsepower Hp: Approx. 305 hp @ 6000 rpm (Varies slightly by region and specific trim) Torque Lb Ft: Approx. 290 lb-ft @ 4000 rpm (Varies slightly by region and specific trim) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI), sequential port injection Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Cooling System Coolant Type: Subaru Super Coolant (Blue) or equivalent HOAT coolant Lubrication System Oil Type: SAE 5W-30 Synthetic (refer to manual for specific API/ILSAC ratings) Oil Capacity Quarts: 5.8 US quarts (with filter change) 🔧 Transmission Standard Transmission Type: 6-speed Manual Transmission (TR6060) Optional Transmission Type: Not available for 2012 WRX; a 5-speed auto was available on non-WRX Imprezas. Features Clutch Type: Hydraulically operated, single dry plate Transmission Fluid Type: API GL-5, SAE 75W-90 Synthetic Gear Oil (Subaru specification recommended) 📐 Dimensions Exterior Length In: 173.8 Width In: 70.7 Height In: 57.7 Wheelbase In: 104.1 Ground Clearance In: 5.7 Weights Curb Weight Lbs: 3252 Gross Vehicle Weight Rating Lbs: 4365 Cargo Trunk Volume Cu Ft: 11.3 (Sedan) Wheels And Tires Standard Wheel Size: 17 x 8.0 inches Optional Wheel Size: 18 x 8.5 inches (often on higher trims) Standard Tire Size: 225/45R17 Optional Tire Size: 245/40R18 Bolt Pattern: 5 x 100 mm Lug Nut Size: M12 x 1.25 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (Driver), 4-Star (Passenger) NHTSA Side Impact: 5-Star (Driver), 5-Star (Passenger) IIHS Front Crash Rating: Good IIHS Side Crash Rating: Good IIHS Roof Strength Rating: Good Active Features Traction Control: Standard Electronic Stability Control: Standard (Vehicle Dynamics Control - VDC) Anti Lock Braking System: Standard (ABS) Electronic Brakeforce Distribution: Standard (EBD) Passive Features Airbags: Front, Side-Curtain, and Front Seat-Mounted Airbags Seatbelts: 3-point with pretensioners and load limiters Child Seat Anchors: LATCH system 💡 Technology Features Infotainment Audio System: Standard AM/FM/CD/MP3 stereo with auxiliary input. Optional upgraded audio system (e.g., Rockford Fosgate). Navigation: Optional factory-installed GPS navigation system. Bluetooth: Optional Bluetooth hands-free connectivity. Driver Assistance Cruise Control: Standard Keyless Entry:...