🏷️ Basic Information Identification Make: Subaru Model: Impreza Model Variant: WRX / WRX STI Year: 2012 Codes Chassis Code Prefix: GVE Vin Code Year: C 👋 Introduction Market Position Segment: Compact Performance Sedan/Hatchback Niche: All-Wheel Drive (AWD) performance, Rally-inspired heritage Competitive Analysis Direct Competitors: Mitsubishi Lancer Evolution, Volkswagen Golf GTI, Ford Focus RS (though often a step above in price/performance) Key Features Drivetrain: Symmetrical All-Wheel Drive (AWD) standard on WRX and WRX STI Engine: Turbocharged Boxer Engines (EJ255 for WRX, EJ257 for WRX STI) Suspension: Performance-tuned suspension for enhanced handling Body Styles: Offered in Sedan and Hatchback variants for 2012 📋 Manual Details Coverage Areas Primary Coverage: Full Factory Service Workshop Repair Secondary Coverage: Maintenance, Repair, Diagnosis Specific Models Covered: Subaru Impreza WRX, Subaru Impreza WRX STI Page Count Estimated Pages: 3000+ Manual Type Type: Factory Service Manual (FSM) Language Language: English Format Format: Digital (PDF) File Format: PDF Searchability: Fully Searchable Text Printability: Printable Pages Organization: Chapter-based with detailed index and cross-referencing 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain, Fuel System, Exhaust System Chassis: Suspension, Steering, Brakes, Wheels, Tires Electrical: Body Electrical, Powertrain Control Modules (PCM), Lighting, HVAC Controls, Infotainment Wiring Body: Body Panels, Doors, Windows, Interior Trim, Exterior Trim, Sealing Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes, Filter Replacements, Inspections Repair: Engine Overhaul, Transmission Rebuild, Brake Caliper Replacement, Suspension Component Installation, Electrical Component Repair Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Symptom-Based Diagnosis Technical Data: Torque Specifications, Clearances, Tolerances, Wiring Diagrams Technical Depth Depth: Comprehensive (from basic fluid checks to full engine/transmission disassembly and reassembly) Diagnostic Tools: References Subaru Select Monitor (SSM) procedures and data ⚙️ Engine Specifications Primary Engine Wrx Engine Code: EJ255 Wrx Engine Type: 2.5L Turbocharged DOHC Flat-4 (Boxer) Wrx Horsepower: 265 hp @ 6000 RPM Wrx Torque: 244 lb-ft @ 2000 RPM Wrx Sti Engine Code: EJ257 Wrx Sti Engine Type: 2.5L Turbocharged DOHC Flat-4 (Boxer) with intercooler sprayer (some markets/trims) Wrx Sti Horsepower: 305 hp @ 6000 RPM Wrx Sti Torque: 290 lb-ft @ 4000 RPM Fuel System Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Induction: Sequential Multi-Port Fuel Injection (MPI) with Turbocharger and Intercooler Engine Management ECU: Subaru Engine Control Unit (ECU) - specific part numbers vary by model/trim 🔧 Transmission Standard Wrx Transmission: 6-Speed Manual Transmission Wrx Sti Transmission: 6-Speed Manual Transmission (with DCCD - Driver Controlled Center Differential) Optional Transmission Options: No Automatic Transmission option for WRX/WRX STI in 2012 Features Drivetrain Type: Symmetrical All-Wheel Drive (AWD) Center Differential: Viscous coupling limited-slip center differential (WRX), Driver Controlled Center Differential (DCCD) with automatic and manual modes (WRX STI) Fluid Specifications Manual Transmission Fluid Type: Subaru Extra Gear Oil API GL-5 75W-90 (or equivalent) Fluid Capacity Manual Transmission Fluid Capacity Approx: 2.1 Liters (4.4 US Quarts) 📐 Dimensions Exterior Wheelbase Sedan: 103.2 inches (2620 mm) Wheelbase Hatchback: 103.2 inches (2620 mm) Length Sedan: 179.5 inches (4560 mm) Length Hatchback: 173.8 inches (4415 mm) Width: 70.7 inches (1795 mm) Height: 58.1 inches (1475 mm) Weights Curb Weight Wrx Sedan Approx: 3350 lbs (1520 kg) Curb Weight Wrx Sti Sedan Approx: 3415 lbs (1550 kg) Gross Vehicle Weight Rating Gvwr: Varies by model/trim, consult manual for specific chassis codes Towing Capacity: Not Recommended for Towing Wheel Bolt Pattern: 5x100mm Wheel Size: WRX: 17x8 inches, WRX STI: 18x8.5 inches Tire Size: WRX: 225/45R17, WRX STI: 245/40R18 🛡️ Safety Features Ratings NHTSA Overall Rating: 4/5 Stars (for 2012 Impreza model range) IIHS Top Safety Pick: Yes (for 2012 Impreza model range) Active Features ABS: Anti-lock Braking System (ABS) standard Ebs: Electronic Brake-force Distribution (EBD) standard Bas: Brake Assist (BA) standard Traction Control: Traction Control System (TCS) standard Stability Control: Vehicle Stability Control (VSC) standard Passive Features Airbags: Frontal airbags, Side curtain airbags, Front side airbags Seatbelts: 3-point front and rear seatbelts with pretensioners and load limiters Child Seat Anchors: LATCH (Lower Anchors and Tethers for Children) system 💡 Technology Features Infotainment Head Unit: Base audio system with CD player, MP3 compatibility, and auxiliary input. Optional navigation system available. Display: Multi-function display in instrument cluster for vehicle information. Driver Assistance Cruise Control: Standard cruise control Climate Control: Manual or automatic climate control depending on trim Connectivity Bluetooth: Available Bluetooth hands-free connectivity on higher trims Usb Port: Available USB port for media playback and charging 🔧 Maintenance Service Intervals Oil Change Interval Synthetic: 5,000-7,500 miles or 6 months (whichever comes first, depending on driving conditions) Air Filter Replacement Interval: 15,000-30,000 miles or 2-3 years (inspect more frequently) Cabin Air Filter Replacement Interval: 15,000-20,000 miles or 1-2 years Spark Plug Replacement Interval Platinum: 60,000-100,000 miles (depending on type) Coolant Replacement Interval: 30,000-60,000 miles or 4-5 years Fluid Specifications Engine Oil Type: SAE 0W-30, API SN, ILSAC GF-5 (Subaru recommends their own brand but equivalent is acceptable) Engine Oil Capacity: WRX: 4.8 US Quarts (4.5L),...