🏷️ Basic Information Identification Make: Mitsubishi Model: Lancer Evolution Model Generation: VII Model Code: CT9A Year Range: 2003-2005 👋 Introduction Market Position Vehicle Segment: Performance Compact Sedan / Rally Homologation Special Target Audience: Enthusiasts, performance drivers, mechanics specializing in Japanese performance vehicles Competitive Analysis Key Competitors: Subaru Impreza WRX STI, Honda Civic Type R (equivalent generations), Ford Focus RS (later generations) Key Features Legendary Engine: 4G63T - renowned for durability and tuning potential Advanced AWD: Super-Active Center Differential (S-AYC) and Active Center Differential (ACD) for superior traction and handling Rally Heritage: Directly derived from Mitsubishi's WRC-winning lineage 📋 Manual Details Coverage Areas Documentation Type: Factory Service Manual Market Focus: North America (primarily, with global applicability for core systems) Specific Models Covered: Lancer Evolution VII GSR, RS (and related variants relevant to the 2003-2005 model years) Page Count Estimated Page Count: 1000+ Manual Type Manual Type: Repair and Service Manual Manual Purpose: Factory Authorized Repair and Service Language Language: English Format Format: Digital (PDF) File Format: PDF Searchability: Searchable text Printability: Printable pages 📖 Manual Coverage Systems Covered Powertrain: Engine (4G63T), transmission, drivetrain (AWD systems, ACD, AYC) Chassis: Suspension, steering, brakes, wheels, tires Electrical: Wiring diagrams, ECU, sensors, lighting, accessories, audio systems Body And Interior: Body panels, interior trim, seats, HVAC, safety restraints Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections Repair: Component removal/installation, overhaul procedures, diagnostics and troubleshooting Diagnostics: OBD-II codes, troubleshooting charts, electrical system diagnostics Technical Depth Depth Of Information: Comprehensive: From basic fluid checks to complete engine and transmission rebuilds Special Procedures: ACD/AYC system calibration, differential maintenance, turbocharger service ⚙️ Engine Specifications Primary Engine Engine Code: 4G63T Engine Type: DOHC Inline-4, 16-valve, Turbocharged, Intercooled Displacement: 1997 cc Bore X Stroke: 85.0 mm x 88.0 mm Compression Ratio: 8.8:1 Performance Horsepower: 271 hp @ 6500 rpm (JDM/European spec; US spec slightly lower) Torque: 273 lb-ft @ 3500 rpm (JDM/European spec; US spec slightly lower) Fuel System Fuel Delivery: Multi-point Fuel Injection (MPI) with Electronic Fuel Control (EFC) Fuel Type: Unleaded Premium (91 octane or higher recommended) Engine Components Turbocharger Type: Mitsubishi TD05HR-16G6-10.5T (Twin-Scroll) 🔧 Transmission Standard Transmission Type: 6-speed Manual Optional Optional Transmission: None (Manual was standard for Evolution models) Features Drivetrain: All-Wheel Drive (AWD) AWD System: Active Center Differential (ACD) and Super Active Yaw Control (S-AYC) Fluid Specifications Manual Transmission Fluid Spec: API GL-3 or GL-4 (specific viscosity like 75W-85 or 75W-90, check manual for exact spec) Fluid Capacity Manual Transmission Fluid Capacity: ~2.1 Liters 📐 Dimensions Exterior Length: 4400 mm Width: 1770 mm Height: 1415 mm Wheelbase: 2625 mm Weights Curb Weight: 1400-1450 kg (depending on trim and options) Gross Vehicle Weight: Approximately 1840 kg Wheels Tires Standard Wheel Size: 17x8.0 inch Standard Tire Size: 235/45R17 Bolt Pattern: 5x114.3 mm (5x4.5 inch) Center Bore: 67.1 mm 🛡️ Safety Features Ratings NHTSA Ratings: Not officially rated in all categories due to homologation nature; generally considered robust for its class. Active Features Active Safety Systems: ACD, AYC, ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution) Passive Features Airbags: Front driver and passenger airbags Body Structure: Reinforced body structure for rigidity and crash protection Seat Belts: Three-point seat belts with pretensioners 💡 Technology Features Infotainment Audio System: Factory AM/FM/CD player with optional premium audio system (e.g., Rockford Fosgate on some trims) Display: Basic LCD display for climate control and audio information. Driver Assistance Cruise Control: Standard cruise control Connectivity Connectivity Features: Limited by era; primarily focused on audio input. No modern Bluetooth or USB connectivity standard. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750-5,000 miles or 6 months, whichever comes first (depending on driving conditions; severe use requires more frequent changes). Major Tune Up: Refer to manual for specific mileage intervals for spark plugs, timing belt (if applicable to this specific variant/year), and other major service items. Fluid Specifications Engine Oil Spec: SAE 5W-30 or 5W-40 Synthetic (API SG, SH, SJ, SL, SM or ILSAC GF-2, GF-3, GF-4 rated) - Consult manual for exact recommendation based on climate. Engine Oil Capacity: ~4.5 Liters (with filter change) Coolant Spec: Mitsubishi Super Long Life Coolant (or equivalent long-life ethylene glycol-based antifreeze/coolant) Brake Fluid Spec: DOT 3 or DOT 4 Power Steering Fluid Spec: Dexron III ATF or equivalent power steering fluid Known Issues Common Issues: Head gasket failures (especially on modified engines), turbocharger wear, ACD/AYC pump failures, clutch wear, rust on chassis components. Maintenance Importance: Crucial to follow strict maintenance schedules, particularly for oil and coolant, given the high-performance nature of the 4G63T engine. 📚 Vehicle History Brand Heritage Motorsport Legacy: Mitsubishi has a deep-rooted history in the World Rally Championship (WRC), with the Lancer Evolution being a dominant force for many years. Model Evolution Evolution Series: The Evolution VII (CT9A) followed the highly successful Evolution VI, incorporating a new chassis and updated electronics, but retaining the iconic 4G63T...