🏷️ Basic Information

Make:

Mitsubishi

Model:

Lancer Evolution IX

Common Name:

Evo IX

Chassis Code:

CT9A

Engine Code Primary:

4G63T MIVEC

Generation Name:

Eighth Generation (VIII-IX Transition)

Generation Code:

CT9A

👋 Introduction

Market Segment:

High-performance compact sports sedan / rally homologation special.

Target Audience:

Enthusiasts, tuners, track day participants, and owners seeking to maintain and repair their Evo IX.

Key Competitors:

Subaru WRX STI, Lancer Evolution VIII, Mitsubishi Lancer Evolution X, Subaru Impreza WRX.

Rally Heritage:

Direct lineage from World Rally Championship (WRC) homologation, influencing its engineering and performance characteristics.

All Wheel Drive:

Advanced Symmetrical All-Wheel Drive (SAWC) system featuring Active Center Differential (ACD) and Active Yaw Control (AYC) for superior traction and handling.

Engine Performance:

Legendary 4G63T turbocharged inline-4 engine with MIVEC (Mitsubishi Innovative Valve timing Electronic Control) offering strong power output and responsiveness.

Chassis Dynamics:

Stiff chassis, performance-tuned suspension, and a driver-focused cockpit contribute to its renowned handling capabilities.

📋 Manual Details

Covered Model Years:

2005, 2006, 2007, 2008

Page Count:

2667

Manual Type:

Workshop Service Manual / Repair Manual

Language:

English (Assumed primary for major market distribution)

Format:

PDF

📖 Manual Coverage

Engine Mechanical:

Detailed overhaul, diagnosis, and repair procedures for the 4G63T MIVEC engine, including cylinder head, block assembly, crankshaft, pistons, connecting rods, valvetrain, and timing belt/chain system.

Engine Electrical:

Wiring diagrams, component locations, diagnostic procedures for ignition, fuel injection, sensors, actuators, ECU, and starting/charging systems.

Fuel System:

Fuel pump, injectors, fuel lines, fuel pressure regulator, evaporative emission control (EVAP), and turbocharger system (including wastegate and blow-off valve).

Cooling System:

Radiator, water pump, thermostat, coolant hoses, fan system, and intercooler system diagnostics and repair.

Lubrication System:

Oil pump, oil pan, oil filter, oil cooler, and lubrication passages, with emphasis on high-performance lubrication needs.

Transmission Manual:

RMK (Ralliart Mitsubishi Transmission) 5-speed manual gearbox overhaul, component replacement, and troubleshooting.

Transmission Acd:

Active Center Differential (ACD) system operation, diagnosis, and repair procedures, including sensor and hydraulic control unit.

Transmission Ayc:

Active Yaw Control (AYC) system operation, diagnosis, and repair procedures for rear differential and associated components.

Drivetrain:

Front and rear differentials, driveshafts, CV joints, wheel bearings, and transfer case (if applicable to specific market variants).

Suspension:

Front and rear suspension components, shock absorbers, springs, control arms, bushings, sway bars, and wheel alignment specifications.

Steering:

Power steering system, steering rack, tie rods, steering column, and associated components.

Brakes:

Front and rear brake systems, including calipers (Brembo on many models), rotors, pads, brake lines, master cylinder, ABS system, and EBD.

Electrical Body:

Lighting, wipers, horn, power windows, central locking, interior and exterior lights, and associated control modules.

HVAC:

Heating, ventilation, and air conditioning system components, refrigerant, blower motor, and controls.

Body Interior:

Interior trim, seats, dashboard, door panels, and body sealing.

Body Exterior:

Body panels, bumpers, fenders, hood, trunk lid, doors, glass, and aerodynamic components (e.g., rear spoiler).

Safety Systems:

Airbag system operation and diagnosis, seatbelt systems, and other passive safety features.

Routine Maintenance:

Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, brake inspections, tire rotations.

Engine Repair:

Complete engine overhaul, piston ring replacement, bearing replacement, cylinder head gasket replacement, turbocharger rebuild/replacement.

Transmission Repair:

Clutch replacement, gearbox disassembly and reassembly, gear inspection, differential service.

Brake Repair:

Brake pad and rotor replacement, brake caliper overhaul, bleeding the brake system, ABS component replacement.

Suspension Repair:

Shock absorber replacement, spring replacement, control arm bushing replacement, steering component replacement.

Electrical Diagnostics:

Troubleshooting electrical faults using wiring diagrams, testing sensors, actuators, and control modules.

Troubleshooting:

Systematic diagnostic flowcharts and symptom-based troubleshooting guides for common and uncommon issues.

Body Repair:

Panel replacement, dent repair, rust repair, glass replacement, door and window mechanism repair.

HVAC Service:

Refrigerant system servicing, leak detection, component replacement (compressor, evaporator, condenser), heater core service.

Acd Ayc Calibration:

Procedures for recalibrating the ACD and AYC systems after component replacement, likely requiring specialized diagnostic tools.

Depth Level:

Comprehensive (covers everything from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics).

Diagnostic Emphasis:

Strong emphasis on diagnosing electronic and mechanical issues using detailed charts, wiring diagrams, and component testing procedures.

Special Tools:

Lists recommended special tools for specific procedures, crucial for accurate repairs on high-performance vehicles.

📊 Manual Specifications

File Format:

PDF

Searchability:

Searchable text within PDF, allowing quick navigation to specific topics or components.

Print Quality:

High-resolution scans suitable for printing, ensuring clarity of diagrams and text.

Binding Type:

N/A (Digital PDF format)

Paper Type:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

Inline-4, DOHC, 16-valve, turbocharged with intercooler and MIVEC

Engine Code:

4G63T MIVEC

Displacement:

2.0 Liters (1997 cc)

Horsepower Hp:

286 hp @ 6500 rpm (JDM/Euro spec), 271 hp @ 6500 rpm (USDM spec)

Torque Lb Ft:

289 lb-ft @ 3500 rpm (JDM/Euro spec), 273 lb-ft @ 3500 rpm (USDM spec)

Fuel Delivery:

Electronic Fuel Injection (EFI) with Sequential Ignition and Multiport Fuel Injection (MPI).

Fuel Type:

Premium Unleaded Gasoline (91+ Octane Recommended)

Turbocharger Model:

Mitsubishi TD05HR-16G 8cm² (Variable Geometry Turbocharger - VGT)

Cooling Fan:

Dual electric cooling fans.

🔧 Transmission

Transmission Type:

6-speed Manual Transmission (RMK)

Transmission Type Optional:

N/A (Manual transmission was standard across most markets for the Evo IX)

Acd System:

Active Center Differential (ACD) with driver-selectable modes (Tarmac, Gravel, Snow).

Ayc System:

Active Yaw Control (AYC) for enhanced cornering stability.

Differentials:

Helical front LSD, ACD center differential, Limited Slip Rear Differential (LSD) or AYC rear differential depending on market/spec.

Manual Transmission Fluid:

Mitsubishi Genuine Gear Oil API GL-4 or GL-5 75W-90 (refer to manual for specific fill amount and type).

📐 Dimensions

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)

Ground Clearance:

Approx. 135 mm (5.3 in)

Curb Weight:

Approx. 1450-1500 kg (3197-3307 lbs) depending on specification.

Gross Vehicle Weight Rating:

Varies by market and trim, typically around 1900 kg.

Trunk Volume:

Approximately 10.7 cubic feet (subject to regional variation).

🛡️ Safety Features

Niosh Ratings:

Specific official crash test ratings (e.g., NHTSA, Euro NCAP) for these model years can be varied and may not always be readily available for specialized performance models. The manual will detail the vehicle's safety systems.

ABS:

Anti-lock Braking System (ABS) with Electronic Brake-force Distribution (EBD).

Traction Control:

Active Traction Control (ASG) system.

Acd:

Active Center Differential (ACD) contributes to active safety and control.

Ayc:

Active Yaw Control (AYC) enhances stability during cornering.

Airbags:

Driver and front passenger airbags. Side airbags may be optional or standard on certain trims.

Seatbelts:

Three-point front and rear seatbelts with pretensioners and force limiters.

Body Structure:

Reinforced safety cell structure designed for occupant protection.

💡 Technology Features

Head Unit:

Factory-provided AM/FM stereo with CD player. Many owners upgrade to modern aftermarket units.

Speaker System:

Standard speaker configuration, often 6-8 speakers depending on market and trim.

ABS:

Standard Anti-lock Braking System.

Acd:

Active Center Differential.

Ayc:

Active Yaw Control.

Mivec:

Mitsubishi Innovative Valve timing Electronic Control system.

Connectivity Features:

Limited by modern standards. Primarily relies on aftermarket solutions for Bluetooth or USB connectivity.

🔧 Maintenance

Oil Change Interval:

Typically 3,000-5,000 miles (4,800-8,000 km) or 6 months, depending on driving conditions (severe use requires more frequent changes).

Air Filter Replacement:

Every 15,000-30,000 miles (24,000-48,000 km) or as needed based on inspection.

Spark Plug Replacement:

Typically every 30,000-60,000 miles (48,000-96,000 km), depending on spark plug type (e.g., platinum or iridium).

Timing Belt Replacement:

Crucial: Typically every 60,000-90,000 miles (96,000-144,000 km) or 5-7 years. Failure can lead to catastrophic engine damage due to interference design.

Coolant Flush:

Every 30,000-50,000 miles (48,000-80,000 km) or 2-3 years.

Engine Oil Type:

API SG or higher, ILSAC GF-2 or higher. Viscosity: 10W-30 or 5W-30 (check manual for specific recommendations, especially for performance driving).

Coolant Type:

Mitsubishi Super Long Life Coolant (SLLC) or equivalent OAT (Organic Acid Technology) ethylene glycol-based coolant, typically pink or red.

Brake Fluid Type:

DOT 3 or DOT 4 high-temperature brake fluid.

Power Steering Fluid:

Dexron III/VI ATF or equivalent power steering fluid (check manual for specific type).

Engine Knock Risk:

Detonation or pre-ignition due to high boost and performance tuning. Requires proper octane fuel and careful tuning.

Turbocharger Wear:

High-performance turbochargers can wear over time, especially if not maintained with proper oil changes and allowed to cool down after hard driving.

Acd Ayc Pump Failure:

The hydraulic pump for the ACD/AYC system can fail, leading to loss of function and dashboard warning lights.

Clutch Wear:

Performance-oriented clutch can wear faster with aggressive driving or frequent launches.

Exhaust Manifold Cracking:

Some stock exhaust manifolds can develop hairline cracks due to heat cycles.

Rear Wheel Bearing Failure:

Can be prone to premature wear and failure, especially in modified vehicles.

📚 Vehicle History

Motorsport Legacy:

Mitsubishi has a storied history in motorsport, particularly in the World Rally Championship (WRC), where the Lancer Evolution achieved significant success, influencing the road-going versions.

Previous Generations:

The Evo IX is the culmination of the eighth generation, building upon the platform of the Evo VII and incorporating technological advancements like MIVEC and improved ACD/AYC systems.

Evolution To Ix:

The 'IX' designation signified a significant update over the 'VIII', most notably the introduction of MIVEC to the 4G63 engine, enhancing both performance and efficiency. It also featured revisions to the ACD and AYC systems, as well as exterior styling updates.

Production Years:

2005-2007 (for the Evo IX model, though the manual covers up to 2008 as some models may have been sold or registered in later years).

Manufacturing Locations:

Japan (primarily Mizushima Plant).

🏆 Awards & Recognition

Sport Compact Awards:

The Mitsubishi Lancer Evolution IX consistently received accolades in sport compact and enthusiast publications during its production years for its performance, handling, and rally-inspired capabilities. Specific awards are numerous and varied by region.

Performance Ratings:

Highly rated by automotive journalists and enthusiasts for its track performance and roadholding, often praised for its raw driving experience and accessible AWD system.

Homologation Status:

Developed to meet World Rally Championship (WRC) homologation requirements, a key factor in its enthusiast appeal and engineering pedigree.