🏷️ Basic Information

Make:

Mitsubishi

Model:

Lancer Evolution IX

Model Generation:

CT9A

Model Year:

2005

Chassis Code:

CT9A

👋 Introduction

Segment:

Performance Compact Sedan / Rally Homologation Special

Target Audience:

Enthusiasts, tuners, dedicated owners, professional mechanics specializing in Mitsubishi performance vehicles

Competitors:

Subaru Impreza WRX STI, Mitsubishi Lancer Ralliart (lower spec), other JDM performance sedans of the era

Vehicle Appeal:

All-wheel drive, turbocharged engine, advanced electronic differential systems, rally heritage

Manual Value:

Essential for maintaining and repairing the complex systems of the Evo IX

📋 Manual Details

Primary Focus:

Comprehensive repair and maintenance

Included Systems:

Engine, Drivetrain, Suspension, Brakes, Electrical, HVAC, Body, Interior

Estimated Pages:

1500+

Type:

Workshop Manual / Service Manual

Language:

English

Format:

PDF (Digital)

📖 Manual Coverage

Engine Mechanical:

Full overhaul procedures for 4G63T engine (turbocharged, intercooled)

Engine Management:

ECU diagnostics, sensor testing, fuel injection system, ignition system

Drivetrain:

Manual transmission (6-speed), transfer case, Active Center Differential (ACD), Super Active Yaw Control (S-AYC)

Suspension:

Front MacPherson struts, rear multi-link, alignment specifications, component replacement

Brakes:

Front Brembo 4-piston calipers, rear Brembo 2-piston calipers, ABS, EBD

Electrical:

Wiring diagrams, component testing, starter, alternator, battery, lighting, power windows, central locking

HVAC:

Air conditioning system diagnosis and repair, heater core replacement, blower motor

Body:

Exterior panel removal and installation, trim pieces, bumpers, spoilers, glass replacement

Interior:

Dashboard removal, seat installation, carpet replacement, interior trim components

Maintenance:

Oil changes, filter replacements, spark plug service, coolant flushes, timing belt inspection/replacement (referencing critical service)

Troubleshooting:

Diagnostic fault codes (DTCs), symptom-based troubleshooting charts

Repair:

Engine rebuild specifications, transmission overhaul, differential service, turbocharger replacement, brake caliper rebuild

Diagnostics:

On-board diagnostics (OBD-II) interpretation, sensor data analysis, live data reading

Calibration:

ACD and S-AYC system calibration procedures, steering angle sensor calibration

Depth:

Full factory-level repair and diagnostic information

Detail Level:

Detailed torque specifications, component clearances, assembly instructions, special tool requirements

📊 Manual Specifications

File Type:

PDF

Searchability:

Fully text-searchable

Image Clarity:

High-resolution diagrams and illustrations

Binding:

N/A (Digital Format)

Paper:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Code:

4G63T

Configuration:

Inline 4-cylinder, DOHC, 16-valve, turbocharged, intercooled

Displacement:

1997 cc

Horsepower Hp:

287 hp @ 6500 rpm (JDM/USDM variations may exist)

Torque Lb-Ft:

289 lb-ft @ 3500 rpm (JDM/USDM variations may exist)

Bore X Stroke:

85.0 mm x 88.0 mm

Fuel Delivery:

Electronic Fuel Injection (EFI), sequential multi-point

Fuel Type:

Unleaded gasoline, premium octane recommended (91+)

Turbocharger Model:

MHI TD05H-16G (or similar Mitsubishi Heavy Industries unit)

ECM Type:

ECU (Engine Control Unit) with specific calibration for Evo IX

🔧 Transmission

Transmission Type:

6-speed manual transaxle

Optional Transmission:

None (manual was standard for Evo IX)

Drivetrain Layout:

All-Wheel Drive (AWD)

Center Differential:

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

Rear Differential:

Super Active Yaw Control (S-AYC) rear differential

Transmission Fluid Type:

Refer to manual for specific GL-4/GL-5 gear oil specifications (e.g., DiaQueen LSD Gear Oil)

📐 Dimensions

Length:

4490 mm (176.8 in)

Width:

1770 mm (69.7 in)

Height:

1415 mm (55.7 in)

Wheelbase:

2625 mm (103.3 in)

Curb Weight:

1450 kg (3197 lbs) approx.

Gross Weight Rating:

Refer to vehicle VIN plate or manual

🛡️ Safety Features

NHTSA Ratings:

Not directly applicable as a JDM import or limited production model in all markets, but generally well-regarded for its class.

ABS:

Anti-lock Braking System (ABS)

Ebd:

Electronic Brakeforce Distribution (EBD)

Acd:

Active Center Differential (enhances traction and handling)

S Ayc:

Super Active Yaw Control (torque vectoring for enhanced cornering)

Airbags:

Front driver and passenger airbags

Seatbelts:

3-point inertia-reel seatbelts with pre-tensioners

Body Structure:

Reinforced safety cell and crumple zones

💡 Technology Features

Head Unit:

Factory AM/FM/CD player, often with Rockford Fosgate premium audio option on higher trims.

Display:

Basic LCD display for audio and climate controls. ACD mode display.

Traction Control:

Integrated with AWD system (ACD/S-AYC).

Usb Aux:

Typically not standard. Aftermarket integration common.

🔧 Maintenance

Oil Change:

Every 3,000-5,000 miles (5,000-8,000 km) or 6 months, depending on driving conditions (severe use recommended for performance driving).

Engine Air Filter:

Inspect every 15,000 miles (24,000 km), replace as needed.

Spark Plugs:

Replace every 30,000-60,000 miles (48,000-96,000 km) with recommended platinum or iridium plugs. Refer to manual for specific gap.

Coolant Flush:

Every 30,000 miles (48,000 km) or 2 years.

Timing Belt:

Critical service. Inspect tensioner and belt condition around 60,000 miles (96,000 km); replacement recommended every 90,000-105,000 miles (145,000-170,000 km) or 7-10 years.

Engine Oil Capacity:

4.5 Liters (4.8 US Quarts) with filter, refer to manual for exact capacity and fill level.

Engine Oil Type:

Synthetic API SN/SM or ILSAC GF-5, viscosity grade 0W-30 or 5W-30 recommended for performance applications.

Coolant Type:

Mitsubishi Super Long Life Coolant (or equivalent ethylene glycol-based coolant with organic acid technology - OAT).

Brake Fluid Type:

DOT 3 or DOT 4 compatible.

Engine Reliability:

Generally robust 4G63T, but prone to ringland failure under extreme detonation or sustained high boost without proper fueling and tuning. Head gasket issues can occur if overheated.

Acd S Ayc:

Can develop electrical faults or pump/motor issues. Fluid leaks in diffs. Requires proper maintenance and fluid changes.

Clutch:

Wear item, especially in performance driving. Clutch slave cylinder can sometimes leak.

Suspension:

Wear on bushings and ball joints is common with age and mileage. Alignment can drift.

📚 Vehicle History

Brand Legacy:

Mitsubishi Motors Corporation, known for its rally success and performance vehicles.

Evo Lineage:

Eighth generation of the Lancer Evolution, building upon the success of previous models in WRC and street performance.

Key Distinction Evo9:

Introduction of MIVEC (Mitsubishi Innovative Valve timing Electronic Control) on the intake camshaft, improved turbocharger (often referred to as '9-spec' or 'Bilstein turbo'), and revised ACD/S-AYC system.

Production Years:

2005-2007

Manufacturing Location:

Japan

🏆 Awards & Recognition

Rally Heritage:

Direct lineage from World Rally Championship (WRC) homologation specials, contributing to its strong performance reputation.

Performance Reviews:

Consistently praised by automotive media for its handling, grip, and raw performance capabilities.