🏷️ Basic Information

Make:

Mitsubishi

Model:

Lancer Evolution MR

Model Year:

2004

Generation:

CT9A (Evo VIII)

Chassis Code:

CT9A

Engine Code Designation:

4G63

👋 Introduction

Positioning:

The Mitsubishi Lancer Evolution MR (Evo VIII) is a high-performance, rally-bred sports sedan renowned for its advanced all-wheel-drive system, turbocharged engine, and exceptional handling. It occupies a niche in the performance car market, appealing to enthusiasts seeking an aggressive driving experience.

Competitors:

Subaru Impreza WRX STI, Audi S4, BMW 3 Series (performance variants), Porsche 911 (lower trims).

Performance Focus:

Emphasis on rally-inspired performance, turbocharged power, and advanced AWD dynamics.

Technological Advancements:

Features Active Yaw Control (AYC) and Super Active Yaw Control (S-AYC) for superior cornering stability.

📋 Manual Details

Regions Covered:

Global (with potential regional variations noted where applicable)

Trim Levels Covered:

MR

Page Count:

Estimated 2000+ pages (typical for comprehensive factory service manuals)

Manual Type:

Factory Service / Repair / Workshop Manual

Language:

English

File Format:

PDF

Delivery Format:

ZIP Download

📖 Manual Coverage

Engine Mechanical:

Engine assembly, disassembly, inspection, repair, cylinder head, block, crankshaft, pistons, connecting rods, camshafts, valve train, timing system, lubrication system, cooling system.

Fuel System:

Fuel tank, fuel pump, fuel lines, fuel injectors, fuel pressure regulator, throttle body, intake manifold, exhaust manifold, catalytic converter, muffler.

Ignition System:

Ignition coils, spark plugs, spark plug wires, distributors (if applicable), ignition timing.

Transmission:

Manual transmission (AYC system integration), clutch system (pressure plate, flywheel, clutch disc, slave/master cylinder), drivetrain components (axles, driveshafts, differentials).

Brakes:

Brake system components (calipers, rotors, pads, shoes), ABS system, brake lines, brake fluid, parking brake, hydraulic systems.

Suspension:

Front and rear suspension components (struts, shocks, springs, control arms, sway bars), alignment specifications, bushings.

Steering:

Steering system components (rack and pinion, power steering pump, steering column), steering linkage, alignment.

Electrical System:

Battery, alternator, starter motor, lighting (headlights, taillights, interior), wiring harnesses, sensors, relays, fuses, ECU (Engine Control Unit), body control module.

Body And Chassis:

Body panels, doors, hood, trunk, bumpers, interior trim, glass, seals, chassis structure, frame specifications.

HVAC:

Heating, ventilation, and air conditioning (HVAC) system, refrigerant (Freon - R134a), AC compressor, condenser, evaporator, blower motor.

Diagnostic Troubleshooting:

Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical circuit diagrams, component testing procedures.

Routine Maintenance:

Oil changes, filter replacements, fluid checks and changes (transmission fluid, brake fluid, coolant, power steering fluid), tire rotation, spark plug replacement, air filter replacement.

Engine Repair:

Engine rebuild, cylinder head gasket replacement, piston and ring replacement, crankshaft seal replacement, timing belt/chain replacement, component replacement (e.g., oil pump, water pump).

Transmission Repair:

Clutch replacement, transmission disassembly and reassembly, gear selection mechanism repair.

Brake System Repair:

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

Suspension And Steering Repair:

Shock absorber replacement, strut assembly replacement, bushing replacement, tie rod end replacement, power steering system repair.

Electrical Diagnostics:

Wiring harness repair, component testing using multimeters, troubleshooting electrical faults, charging system diagnosis.

Body Work:

Panel replacement, door alignment, bumper repair, glass installation, seal replacement.

HVAC Service:

Refrigerant evacuation and recharge, AC component replacement, heater core replacement.

Depth:

Comprehensive factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Includes torque specifications, diagnostic charts, component specifications, and detailed disassembly/assembly instructions.

📊 Manual Specifications

Searchable Text:

Yes (typical for factory PDF manuals)

Printability:

Yes

Zoom Functionality:

Yes

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Quality Source:

Factory Original

⚙️ Engine Specifications

Engine Type:

4G63 inline-4 DOHC turbocharged MIVEC

Displacement:

2.0 liters (1997 cc)

Horsepower:

Approximately 271 hp @ 6500 rpm (US Spec)

Torque:

Approximately 273 lb-ft @ 3500 rpm (US Spec)

Fuel Delivery:

Multi-point Fuel Injection (MPI) with Electronic Throttle Control

Turbocharger:

Mitsubishi TD05HR-16G or similar twin-scroll turbocharger with intercooler

Bore X Stroke:

85.0 mm x 88.0 mm

Compression Ratio:

8.8:1

Recommended Fuel:

Premium Unleaded Gasoline (91 octane or higher)

Oil Capacity:

4.5 L (4.8 US qt) with filter change (refer to manual for exact specification)

Coolant Capacity:

Approximately 7.0 L (7.4 US qt) (refer to manual for exact specification)

🔧 Transmission

Transmission Type:

6-speed Manual Transmission

Optional Transmission:

N/A (MR model exclusively manual)

Drivetrain:

All-Wheel Drive (AWD) with Active Yaw Control (AYC) and Driver Selectable Modes (Tarmac, Gravel, Snow)

Manual Transmission Fluid:

API GL-4 or GL-5 SAE 75W-90 gear oil (refer to manual for exact specification and capacity)

Clutch Type:

Hydraulically operated, single dry plate with diaphragm spring

📐 Dimensions

Length:

4,350 mm (171.3 in)

Width:

1,770 mm (69.7 in)

Height:

1,415 mm (55.7 in)

Wheelbase:

2,600 mm (102.4 in)

Curb Weight:

Approximately 1,450 kg (3,197 lbs)

Gross Vehicle Weight Rating:

Refer to vehicle placard (GVWR)

Wheel Size:

17 x 8.0 inches

Tire Size:

235/45R17

Bolt Pattern:

5 x 114.3 mm

🛡️ Safety Features

NHTSA Ratings:

Refer to NHTSA records for specific model year; generally good for its class and era.

Active Safety:

Anti-lock Braking System (ABS), Active Yaw Control (AYC), Limited Slip Differential (LSD - front and rear center).

Passive Safety:

Driver and front passenger airbags, front side-impact airbags, three-point seat belts with pre-tensioners, reinforced chassis construction.

💡 Technology Features

Infotainment System:

Basic audio system with CD player, radio. Limited to the era's technology; advanced infotainment not standard.

Driver Assistance Features:

ABS, AYC, power steering. No modern driver-assistance systems like adaptive cruise control or lane keeping assist.

Performance Electronics:

ECU with multiple engine maps for different driving conditions, ACD (Active Center Differential), AYC. Optional Ralliart gauges and boost controllers.

🔧 Maintenance

Oil Change Interval:

Every 3,750 - 5,000 miles (6,000 - 8,000 km) or 6 months (refer to manual for specific recommendation based on driving conditions).

Spark Plug Replacement:

Approximately every 30,000 - 60,000 miles (refer to manual for specific type and interval).

Timing Belt Replacement:

Crucial maintenance item for the 4G63 engine. Typically every 60,000 - 105,000 miles or 5-7 years. Failure can lead to catastrophic engine damage. The manual will detail specific intervals and procedures, including idler pulleys and tensioners.

Transmission Fluid Change:

Every 30,000 - 60,000 miles or as per manual. AYC fluid may have separate recommendations.

Engine Oil Spec:

API SG or SH, ILSAC GF-II or higher. Viscosity commonly 10W-30 or 5W-30 (refer to manual for exact specification and ambient temperature charts).

Coolant Spec:

Ethylene glycol-based antifreeze, typically a 50/50 mix with distilled water. Mitsubishi Super Long Life Coolant (or equivalent blue coolant) is often recommended.

Common Problems:

Rod knock (especially with aggressive tuning/abuse), turbocharger failure (due to heat/oil maintenance), clutch wear, differential issues (AYC system), exhaust manifold cracking.

📚 Vehicle History

Motorsport Connection:

Direct lineage from Mitsubishi's highly successful World Rally Championship (WRC) program.

Evo Viii Introduction:

The Evo VIII (CT9A) was introduced globally in 2003, with the MR variant (often signifying 'Mitsubishi Racing' or a more performance-oriented package) arriving shortly after or as part of the model year update for 2004, depending on market.

Production Era:

Evo VIII production: 2003-2005

🏆 Awards & Recognition

Automotive Journalism Awards:

Consistently praised by automotive publications for its handling, performance, and value in the sports sedan segment during its production run.