The Mitsubishi Lancer Evolution IX, produced from 2005 to 2007, stands as a celebrated performance sedan, a direct descendant of rich rally heritage. This generation, designated CT9A, is distinguished by its potent 4G63 MIVEC turbocharged inline-4 engine, advanced All-Wheel Drive control (ACD and Super AYC), and a chassis finely tuned for exceptional handling. Its engineering quality and reliability, combined with its rally-bred capabilities, have cemented its status as a highly desirable vehicle for performance enthusiasts and those seeking an engaging driving experience. This comprehensive service manual provides factory-level repair and diagnostic information for the Mitsubishi Lancer Evolution IX. It covers all essential vehicle systems, including the engine, transmission, drivetrain, suspension, brakes, and electrical components. Within its thousands of printable pages, you will find detailed procedures for scheduled maintenance, troubleshooting common issues, component repair and overhaul, and in-depth diagnostics, supported by complete wiring diagrams and technical specifications. This manual is an indispensable resource for owners, mechanics, and technicians aiming to maintain, repair, and optimize their Lancer Evolution IX. 🏷️ Basic Information Identification Make: Mitsubishi Model: Lancer Evolution IX Generation: CT9A Model Years Covered: 2005-2007 👋 Introduction Market Position Vehicle Segment: Performance Sedan / Rally Homologation Special Competitive Analysis Key Competitors: Subaru WRX STI, Ford Focus RS, Lancia Delta Integrale (historically) Key Features Distinctive Features: Advanced All-Wheel Drive control (ACD/AYC), potent 4G63 MIVEC engine, rally-bred chassis Target Audience Primary Users: Technicians, mechanics, performance enthusiasts, owners seeking in-depth knowledge Value Proposition Benefits To Buyer: Cost-effective, instant access to factory repair data for DIY or professional use 📋 Manual Details Coverage Areas Primary Focus: Factory Service Repair Scope: Comprehensive factory-level information Page Count Estimated Pages: Thousands (printable at high quality) Manual Type Type: Service Manual Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: 4G63 MIVEC Turbocharged Inline-4 Engine Management: ECU, fuel injection, ignition, sensors, emissions Transmission: 6-speed manual (Getrag) Drivetrain: All-Wheel Drive (AWC), ACD, Super AYC (Active Yaw Control) Suspension: Front MacPherson strut, Rear multi-link Brakes: Front Brembo 4-piston calipers, Rear Brembo 2-piston calipers Electrical: Full vehicle wiring diagrams, component testing Body: Chassis, exterior trim, interior components Cooling System: Radiator, fans, hoses, thermostat Fuel System: Fuel pump, injectors, lines, tank HVAC: Heating, Ventilation, Air Conditioning Restraint Systems: Airbags, seatbelts Steering: Hydraulic power steering system Wheels Tires: Wheel specifications, tire fitment, pressure recommendations Exhaust System: Catalytic converter, muffler, piping Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements Troubleshooting: Diagnostic procedures, common fault finding Repair: Component removal, installation, overhaul, adjustments Diagnostics: Specific diagnostic flowcharts for various systems Technical Data: Specifications, tolerances, torque values Lubrication: Periodic lubrication points and specifications Wiring Diagrams: Detailed, sectioned wiring diagrams for all vehicle electrical systems Technical Depth Depth: Complete factory-level repair and diagnostic information 📊 Manual Specifications File Format Quality: High quality, printable Searchability: Likely searchable PDF content Print Quality Print Capability: Designed for high-quality printing Binding Type Binding Type: Digital (PDF) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: 4G63T MIVEC Configuration: Inline 4-cylinder, DOHC, 16-valve, turbocharged Displacement: 2.0 Liters (1997 cc) Performance Horsepower: Approx. 286 hp (JDM/UKDM), 276 hp (USDM) Torque: Approx. 289 lb-ft (JDM/UKDM), 286 lb-ft (USDM) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Turbocharger: Mitsubishi TD05H-16G (or similar variant) Ignition System Ignition Type: Distributorless Ignition System (DIS) Cooling System Cooling Type: Liquid-cooled 🔧 Transmission Standard Type: 6-speed Manual (Getrag MD742675) Optional Optional Transmission: N/A for Evolution IX Features Drive System: All-Wheel Drive (AWD) Transfer Case: Active Center Differential (ACD) Rear Differential: Super Active Yaw Control (Super AYC) 📐 Dimensions Exterior Length: Approx. 4490 mm (176.8 in) Width: Approx. 1770 mm (69.7 in) Height: Approx. 1415 mm (55.7 in) Wheelbase: Approx. 2625 mm (103.3 in) Weights Curb Weight: Approx. 1450 kg (3197 lbs) 🛡️ Safety Features Ratings Crash Test Ratings: NHTSA and IIHS ratings vary by year and region; generally good for its class Active Features Active Safety: ABS with EBD, ACD, AYC Passive Features Passive Safety: Front airbags, side airbags (optional/regional), front seatbelt pretensioners 💡 Technology Features Infotainment Infotainment System: Basic Mitsubishi AM/FM/CD stereo with optional Rockford Fosgate audio system Driver Assistance Driver Assistance Features: ACD, AYC, ABS, EBD Connectivity Connectivity Features: Limited (e.g., optional satellite radio) 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual (typically 3,000-5,000 miles or 6 months) Timing Belt Replacement: Refer to manual (typically 60,000-100,000 miles or 5-7 years, depends on belt type) Fluid Specifications Engine Oil: Refer to manual (e.g., 5W-30 or 0W-30 synthetic, API SN or higher) Coolant: Mitsubishi DiaQueen SUPER LONG LIFE COOLANT (or equivalent OAT coolant) Transmission Fluid: Refer to manual (e.g., DiaQueen LSD Gear Oil 75W-85 GL-5 for AYC diff, DiaQueen ECO SUPER MULTI GEAR OIL 75W-90 GL-4/GL-5 for transaxle) Known Issues Common Issues: Turbocharger wear, clutch wear (especially with aggressive driving), head gasket issues (historically on earlier 4G63s, less common but possible on...