Mitsubishi Legnum 2003 Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Mitsubishi Model: Legnum Year: 2003 Codes Chassis Code: EC5W Platform: Mitsubishi Galant/Legnum platform Generation Generation Name: 9th Generation (EC/EA) Generation Years: 1996-2002 (with facelifts and...

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类型: Car

斯库: 68143

标签: 2003 Car Cars Legnum Misc Mitsubishi

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Description

🏷️ Basic Information

Identification

Make:

Mitsubishi

Model:

Legnum

Year:

Codes

Chassis Code:

Platform:

Mitsubishi Galant/Legnum platform

Generation

Generation Name:

9th Generation (EC/EA)

Generation Years:

1996-2002 (with facelifts and updates for 2003 model year)

👋 Introduction

Market Position

Vehicle Segment:

Mid-size station wagon (Estate), often associated with sport-oriented styling and performance.

Target Audience:

Families seeking practicality with a sporty driving experience, enthusiasts.

Competitive Analysis

Competitors:

Subaru Legacy Outback, Nissan Stagea, Toyota Caldina, Mazda Atenza Wagon (Mazda6 Wagon).

Key Features

Performance Orientation:

Available with powerful V6 engines and advanced AWD systems, offering sporty handling.

Styling:

Distinctive 'mini-MPV' or 'people carrier' like front end, aggressive styling for its class.

Practicality:

Spacious interior, large cargo area typical of a station wagon.

📋 Manual Details

Coverage Areas

Market Focus:

Japan (primary), Export markets

Page Count

Estimated Pages:

Hundreds (exact number not specified, but indicative of comprehensive coverage)

Manual Type

Type:

Workshop Service Repair Manual (Factory)

Language

Language:

English (standard for factory manuals, though original may be Japanese)

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine:

All engine variants, including diagnosis, repair, overhaul, specifications, timing, cooling, lubrication, fuel, ignition, emissions control systems.

Transmission:

Automatic (INVECS-II), Manual, diagnosis, repair, fluid specifications, capacities, overhaul procedures.

Drivetrain:

All-Wheel Drive (AWD) system (Viscous coupling center differential, rear differential), front differential, driveshafts, CV joints, transfer case (if applicable).

Brakes:

Hydraulic system, ABS, EBD, brake fluid specifications, rotor/pad replacement, caliper overhaul, parking brake.

Suspension:

Front MacPherson strut, Rear multi-link suspension, components, specifications, alignment procedures, shock absorber/spring replacement.

Steering:

Power steering system, components, fluid, rack and pinion, steering column.

Electrical:

12V battery system, alternator, starter motor, lighting (headlights, taillights, interior), fuses, relays, wiring diagrams, body control module (BCM), ignition system.

Body:

Exterior panels, doors, windows, glass, sunroof, interior trim, body sealing, corrosion prevention.

HVAC:

Air conditioning system, heater core, blower motor, refrigerant specifications, diagnosis, repair.

Safety Systems:

Airbag system (SRS), seat belt pre-tensioners, diagnosis and repair procedures.

Procedures Included

Maintenance:

Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt tensioning.

Troubleshooting:

Diagnostic charts, symptom-based troubleshooting guides, fault code interpretation (OBD-II).

Repair:

Component removal and installation, internal engine/transmission repair, brake caliper overhaul, suspension component replacement, electrical component repair.

Overhaul:

Complete engine rebuild, transmission overhaul, differential rebuild procedures.

Diagnostics:

Electrical system diagnostics, engine performance diagnostics, ABS/SRS system diagnostics, use of scan tools.

Body Repair:

Panel alignment, door adjustments, glass replacement, body structural repair guidelines.

Technical Depth

Depth:

Comprehensive, covering all aspects from basic maintenance to complete engine and transmission rebuilds. Includes detailed torque specifications, clearances, and assembly procedures.

📊 Manual Specifications

File Format

File Type:

Searchability:

Likely text-searchable PDF, allowing for quick access to specific information.

Print Quality

Printability:

Designed for printing, with options to print entire manual or specific pages.

Binding Type

Binding:

N/A (Digital download)

Paper Type

Paper Quality:

N/A (Digital download)

⚙️ Engine Specifications

Primary Engine

Engine Code:

6A13TT

Engine Type:

2.5L V6 Twin-Turbocharged SOHC MIVEC

Performance

Horsepower:

280 PS (approx. 276 hp) at 6000 rpm (JDM spec)

Torque:

343 Nm (approx. 253 lb-ft) at 3000 rpm (JDM spec)

Fuel System

Fuel Delivery:

Multi-point Fuel Injection (MPI), Twin Turbochargers

Engine Variants

Other Engines:

2.4L 4G64 SOHC, 2.5L V6 6G73 DOHC (Non-turbo variants also available in lower trims).

Technical Specs

Bore X Stroke:

78.5 mm x 85.0 mm (6A13TT)

Compression Ratio:

8.5:1 (6A13TT)

Engine Management:

ECI-Multi (Electronic Controlled Injection)

🔧 Transmission

Standard

Transmission Type:

4-speed automatic (INVECS-II with Sport Mode and Manual Shift) on higher trims.

Optional

Transmission Type:

5-speed manual transmission (available on some variants).

Features

AWD Integration:

Power transferred to the Active Yaw Control (AYC) system on higher performance models (e.g., VR-4).

Fluid Specifications

Automatic Transmission Fluid:

Mitsubishi DIA-Queen ATF SP-III or equivalent.

Manual Transmission Fluid:

GL-4 or GL-5 75W-90 gear oil (specific Mitsubishi recommendation preferred).

Gear Ratios

Final Drive Ratio:

Varies by model, typically around 4.10 for AWD models.

📐 Dimensions

Exterior

Length:

Approx. 4,690 mm (184.6 in)

Width:

Approx. 1,740 mm (68.5 in)

Height:

Approx. 1,470 mm (57.9 in)

Wheelbase:

Approx. 2,730 mm (107.5 in)

Weights

Curb Weight:

Approx. 1,550 - 1,650 kg (3417 - 3638 lbs) depending on configuration.

Gross Vehicle Weight:

Not specified, but typically around 2000 kg.

🛡️ Safety Features

Ratings

Jncsa Ratings:

Likely achieved several stars in Japanese New Car Assessment Program (JNCAP) for its era.

Active Features

Traction Control:

Standard on higher trims, integrated with AWD.

Standard.

Electronic Brake-Force Distribution:

EBD (Standard on higher trims).

Active Yaw Control:

AYC (Available on VR-4 models, a sophisticated torque-vectoring system).

Passive Features

Airbags:

Driver and front passenger airbags standard. Side airbags optional on some models.

Seatbelts:

Pre-tensioner and force limiter seatbelts for front occupants.

Crumple Zones:

Designed with front and rear crumple zones for energy absorption.

💡 Technology Features

Infotainment

Audio System:

Factory AM/FM/CD player with amplifier and speaker system. Optional premium audio available.

Navigation:

Optional factory navigation system available on select models and markets.

Driver Assistance

Cruise Control:

Standard on most trims.

Parking Sensors:

Optional rear parking sensors available on some models.

Connectivity

Power Accessories:

Power windows, power door locks, power mirrors are standard.

Keyless Entry:

Available on higher trims.

Lighting

Headlights:

Halogen headlights. Xenon HID headlights optional on performance models.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Every 7,500 to 10,000 km (4,500 to 6,000 miles) or 6 months.

Air Filter Replacement:

Every 30,000 km (18,000 miles) or as needed.

Spark Plug Replacement:

Iridium plugs: 100,000 km (60,000 miles). Platinum plugs: 50,000 km (30,000 miles).

Timing Belt Replacement:

Every 90,000 to 100,000 km (55,000 to 60,000 miles) for 6A13TT and 6G73 engines. Crucial for interference engines.

Fluid Specifications

Engine Coolant:

Mitsubishi Super Long Life Coolant (SLLC) or equivalent HOAT coolant.

Brake Fluid:

DOT 3 or DOT 4.

Power Steering Fluid:

Mitsubishi ATF SP-III or Dexron III compatible.

Engine Oil Capacity:

Approx. 4.5 liters (4.8 US quarts) for V6 engines with filter change.

Known Issues

Turbocharger Reliability:

Wear and tear on turbochargers and associated plumbing, especially if maintenance is neglected.

Active Yaw Control Sensors:

Potential for sensor or hydraulic unit failure on AYC systems, leading to warning lights.

Ignition Coils:

Individual ignition coil failure on V6 engines can cause misfires.

Rear Suspension Bushings:

Wear in rear suspension bushings can lead to knocking noises and poor handling.

Exhaust Manifold Cracks:

Possible for exhaust manifolds to develop cracks due to thermal stress.

📚 Vehicle History

Brand Heritage

Manufacturer:

Mitsubishi Motors Corporation

Model Evolution

Predecessor:

Mitsubishi Lancer Evolution (though distinct, shares performance technology lineage).

Related Models:

Mitsubishi Galant (platform sharing).

Production

Production Years:

1996-2005 (Legnum concurrently with Galant sedan).

Manufacturing Location:

Japan

Design Philosophy

Design Era:

Late 1990s / Early 2000s Japanese automotive design trends.

🏆 Awards & Recognition

Recognitions

Performance Awards:

While the Legnum itself wasn't a direct award winner, its V6 Twin-Turbo and AWD technologies were highly regarded in the performance wagon segment.

Ratings

Reliability Ratings:

Generally considered reliable, though specific issues relate to maintenance of turbo and AWD systems.

Certifications

Emissions Certification:

Compliant with Japanese domestic emissions standards for the year 2003.