🏷️ Basic Information

Make:

Mitsubishi

Model:

Lancer Evolution IV

Model Short Name:

Evo 4

Chassis Code:

CN9A

Engine Code:

4G63T

Production Years Covered:

1996, 1997, 1998

👋 Introduction

Segment:

Compact Sports Sedan / Rally Homologation Special

Positioning:

The Mitsubishi Lancer Evolution IV was a pivotal model in the Evolution lineage, introducing significant chassis and aerodynamic enhancements, and further solidifying its reputation as a formidable performance car and rally homologation special.

Key Competitors:

Subaru Impreza WRX STI, Toyota Celica GT-Four, Ford Escort RS Cosworth.

Performance Focus:

Engineered for high-performance rallying and spirited driving, with a focus on advanced AWD technology and turbocharged power.

Chassis Innovation:

Introduction of the Active Center Differential (ACD) system for enhanced traction and handling dynamics.

Aerodynamics:

Revised bodywork, larger rear spoiler, and front bumper for improved aerodynamic efficiency and downforce.

📋 Manual Details

Markets:

Japan (JDM), International

Estimated Pages:

Hundreds (Specific page count not provided, but indicated as comprehensive)

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine:

4G63T DOHC Turbocharged engine: Overhaul, tuning, diagnostics, cooling system, lubrication system, fuel injection, ignition system, emissions control.

Transmission:

5-speed manual transmission (Type-R): Overhaul, clutch system, gearbox components, driveshafts, differentials (front and rear ACD).

Drivetrain:

All-Wheel Drive (AWD) system: Active Center Differential (ACD), viscous coupling, driveshafts, propeller shaft, rear differential, electronic control unit (ECU) for ACD.

Suspension:

Front MacPherson struts, Multi-link rear suspension: Component replacement, alignment specifications, shock absorber and spring details, stabilizer bars.

Brakes:

Front and rear disc brakes (Brembo optional), Anti-lock Braking System (ABS): Hydraulic system, caliper and rotor specifications, brake pad replacement, ABS sensor troubleshooting.

Electrical:

Complete electrical system: Wiring diagrams, fuse and relay locations, lighting, ignition, starting system, charging system, ECU, sensors, audio system, power accessories.

Bodywork:

Exterior and interior: Body panel removal and installation, door mechanisms, trim pieces, interior components, chassis structural information.

HVAC:

Heating, Ventilation, and Air Conditioning (HVAC) system: Components, refrigerant charging, diagnostic procedures.

Steering:

Power assisted rack and pinion steering system: Steering column, power steering pump, fluid, linkages.

Maintenance:

Scheduled maintenance intervals, oil changes, filter replacements, fluid checks and replacements, spark plug replacement, belt inspection and replacement.

Troubleshooting:

Diagnostic charts and flowcharts for common and uncommon issues, fault code interpretation, electrical troubleshooting using wiring diagrams.

Repair:

Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation across all major vehicle systems.

Diagnostics:

Detailed procedures for diagnosing engine performance, electrical faults, drivetrain issues, and chassis problems using specialized tools and techniques.

Specifications:

Torque specifications for all fasteners, engine clearances, fluid capacities, alignment parameters, tire pressure recommendations.

Special Tools:

Listing and description of required special tools for specific repair and diagnostic procedures.

Depth:

Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics, and chassis repairs.

📊 Manual Specifications

Format:

PDF

Quality:

High-resolution, printable quality

Binding:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

Text Search:

Likely searchable text content within the PDF for efficient information retrieval.

Manual Version:

Official Factory Version

⚙️ Engine Specifications

Engine Code:

4G63T

Configuration:

Inline 4-cylinder, turbocharged, intercooled

Displacement:

1997 cc (2.0 Liters)

Bore X Stroke:

85.0 mm x 88.0 mm

Compression Ratio:

8.8:1

Valve Train:

DOHC (Double Overhead Camshaft), 16 valves (4 valves per cylinder)

Fuel Delivery:

Electronic Fuel Injection (EFI), Multi-point sequential injection

Turbocharger:

Mitsubishi TD05HR-16G (or similar variant), Twin-scroll turbocharger with intercooler

Horsepower:

280 PS (276 hp; 206 kW) at 6500 rpm (JDM spec, advertised) - actual output often higher.

Torque:

350 Nm (258 lb-ft) at 3000 rpm (JDM spec)

Fuel Type:

Unleaded gasoline (Premium/High Octane)

Engine Oil Type:

API SG or SH, SAE 10W-30 / 10W-40 (refer to manual for precise recommendations)

Engine Oil Capacity:

Approximately 4.5 Liters (4.7 US Quarts) with filter change.

Coolant Type:

Ethylene glycol-based coolant (Mitsubishi Super Long Life Coolant or equivalent)

🔧 Transmission

Type:

5-speed Manual Transmission

Type:

Not available (Exclusive to manual transmission for performance focus)

Drivetrain:

All-Wheel Drive (AWD) with Active Center Differential (ACD)

Manual Transmission Fluid:

API GL-4 or GL-5, SAE 75W-90 (refer to manual for specific recommendations)

Transfer Case Fluid:

API GL-4 or GL-5, SAE 75W-90 (refer to manual)

Rear Differential Fluid:

API GL-5, SAE 80W-90 or 75W-90 (refer to manual for specific ACD differential fluid)

📐 Dimensions

Length:

4345 mm (171.1 in)

Width:

1770 mm (69.7 in)

Height:

1420 mm (55.9 in)

Wheelbase:

2600 mm (102.4 in)

Front Track:

1505 mm (59.3 in)

Rear Track:

1490 mm (58.7 in)

Curb Weight:

Approx. 1360 kg (2998 lbs) for GSR model.

Gross Vehicle Weight Rating:

Not specified, but typically around 1700 kg.

Wheel Bolt Pattern:

5x114.3 mm (5x4.5 inches)

Standard Wheel Size:

17x7.5 inches (GSR trim)

Standard Tire Size:

215/45R17 (GSR trim)

🛡️ Safety Features

Crash Test Results:

Specific official crash test ratings from NHTSA or Euro NCAP for this era's JDM models are not readily available in modern databases, but the chassis was engineered for rally safety.

ABS:

Anti-lock Braking System (ABS) - standard on most trims.

Acd:

Active Center Differential (ACD) - Enhances traction and stability under acceleration and cornering.

AWD:

Advanced All-Wheel Drive system provides superior grip and stability.

Airbags:

Driver and front passenger airbags (standard on many models).

Seat Belts:

Three-point seat belts with pre-tensioners.

Body Structure:

Reinforced safety cell and crumple zones designed for occupant protection.

💡 Technology Features

Audio System:

Factory fitted AM/FM stereo radio with cassette player (may vary by market/trim). Upgrade options are common.

Controls:

Manual climate controls, basic dashboard instrumentation with an analog tachometer and speedometer.

ABS:

Standard Anti-lock Braking System for enhanced braking control.

Acd:

Advanced traction management via the Active Center Differential, allowing for driver-selectable modes (Tarmac, Gravel, Snow) or automatic control.

Connectivity Features:

Basic factory connectivity was limited to the audio system. Modern aftermarket solutions are popular for Bluetooth and smartphone integration.

🔧 Maintenance

Oil Change:

Every 5,000 - 10,000 km (3,000 - 6,000 miles) or 6-12 months, depending on driving conditions (refer to manual).

Air Filter Replacement:

Inspect every 15,000 km (9,000 miles), replace as needed or every 30,000 km (18,000 miles).

Spark Plug Replacement:

Approximately every 40,000 - 60,000 km (24,000 - 36,000 miles), depending on spark plug type.

Timing Belt Replacement:

Recommended replacement every 100,000 km (60,000 miles) or 7 years, whichever comes first.

Brake Fluid Type:

DOT 3 or DOT 4 (refer to manual)

Power Steering Fluid:

Dexron II or equivalent ATF (refer to manual)

Engine Internal:

Potential for valve seal wear, turbocharger issues if not maintained properly, connecting rod failures under extreme abuse (though the 4G63 is robust).

Drivetrain:

ACD pump failure, differential wear, clutch wear.

Suspension:

Worn bushings, aging shock absorbers.

Electrical:

Corroded grounds, failing fuel pump, issues with dashboard warning lights.

Comprehensiveness:

The manual provides detailed factory-recommended service intervals for all major components and fluids.

📚 Vehicle History

Motorsport Legacy:

Mitsubishi has a deep-rooted history in motorsport, particularly in the World Rally Championship (WRC), where the Lancer Evolution was developed and achieved significant success.

Predecessor:

Mitsubishi Lancer Evolution III (Evo III).

Successor:

Mitsubishi Lancer Evolution V (Evo V).

Key Changes From Evo Iii:

Introduction of the ACD, revised engine internals, new chassis and body panels, larger intercooler, redesigned headlights and taillights, and improved aerodynamics.

Manufacturing Location:

Japan

Production Period:

August 1996 - August 1998

Production Volume:

Approximately 15,000 units (estimated, across RS and GSR variants).

🏆 Awards & Recognition

Motorsport Success:

The Lancer Evolution series, including the Evo IV, has numerous rally victories and championship titles in its history.

Enthusiast Acclaim:

Widely recognized by car enthusiasts and tuners as an iconic performance car and a benchmark for AWD turbocharged sedans.