1991 Mitsubishi 3000GT Factory Service Repair Manual

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🏷️ Basic Information Identification Make: Mitsubishi Model: 3000GT Model Variant: GTO (Domestic Market) Year: 1991 Codes Chassis Code: Z16A 👋 Introduction Market Position Positioning: Flagship Japanese Sports Grand Tourer, competing...

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类型: Car

斯库: 363517

标签: 1991 3000GT Car Cars Misc Mitsubishi

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Description

🏷️ Basic Information

Identification

Make:

Mitsubishi

Model:

3000GT

Model Variant:

GTO (Domestic Market)

Year:

Codes

Chassis Code:

👋 Introduction

Market Position

Positioning:

Flagship Japanese Sports Grand Tourer, competing with European performance coupes of the era.

Competitive Analysis

Competitors:

Nissan 300ZX (Z32), Toyota Supra (MKIV), Mazda RX-7 (FC/FD), Chevrolet Corvette (C4), Dodge Stealth (R/T Twin Turbo).

Key Features

Engineering Highlight:

Advanced all-wheel drive (AWD), All-wheel steering (AWS/4WS), Electronic Controlled Suspension (ECS), Twin-Turbocharged V6 engine.

Marketing Perception

Perception:

Technologically advanced, performance-oriented, luxurious GT capable of both spirited driving and comfortable long-distance cruising.

📋 Manual Details

Coverage Areas

Coverage Scope:

Complete Professional Technical Service and Repair

Page Count

Estimated Page Count:

1000+

Manual Type

Type:

Factory Service Manual

Language

Language:

English

Format

Format:

Digital Download (PDF)

📖 Manual Coverage

Systems Covered

Powertrain:

Engine (6G72 V6), Transmission (Manual & Automatic), Drivetrain (AWD/4WS)

Chassis:

Suspension (ECS), Steering (4WS), Brakes (ABS, AWD)

Electrical:

Wiring Diagrams, ECU, Sensors, Lighting, Audio, Power Accessories

Body And Interior:

Body panels, Trim, Climate Control, Safety Restraints

Procedures Included

Maintenance:

Scheduled Maintenance, Fluid Changes, Filter Replacements, Tune-ups

Diagnostics:

Troubleshooting Charts, DTC (Diagnostic Trouble Code) Procedures, Component Testing

Repair And Overhaul:

Engine Rebuild, Transmission Overhaul, Suspension Component Replacement, Brake System Service, Electrical Component Repair

Specifications And Data:

Torque Specifications, Clearances, Alignment Data, Electrical Resistance Values

Technical Depth

Depth:

Comprehensive: From basic fluid checks to complete engine and transmission rebuilds, including advanced diagnostics and electrical system tracing.

📊 Manual Specifications

File Format

Quality:

High-resolution, searchable PDF, printable pages.

Print Quality

Print Readability:

Designed for clear reading and easy navigation of technical diagrams and text.

Binding Type

Binding:

N/A (Digital Download)

Paper Type

Paper Quality:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine

Engine Code:

Configuration:

V6, SOHC (later DOHC Twin-Turbo variants exist, but this manual covers the 1991 model which typically featured DOHC TT for higher trims)

Displacement:

3.0 Liters (2972 cc)

Performance

Horsepower:

Approx. 300 hp (Twin-Turbo model)

Torque:

Approx. 300 lb-ft (Twin-Turbo model)

Fuel System

Induction:

Twin-Turbocharged, Electronic Fuel Injection (EFI)

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Cooling System

Coolant Capacity:

Approx. 8.5 Liters

Ignition System

Type:

Distributorless Ignition System (DIS) on Twin-Turbo models, Distributor ignition on NA models.

🔧 Transmission

Standard

Type:

5-speed Manual (G5M-R for AWD models)

Optional

Type:

4-speed Automatic (with Sport Mode)

Features

AWD Transfer Case:

Active electronically controlled transfer case (for AWD models)

Transmission Fluid

Manual Fluid Spec:

API GL-3 or GL-4 Gear Oil (e.g., Mitsubishi DiaQueen LSD Gear Oil)

Automatic Fluid Spec:

DiaQueen ATF-SP II M or equivalent DEXRON III/MERCON compatible

📐 Dimensions

Exterior

Length:

4620 mm (181.9 in)

Width:

1840 mm (72.4 in)

Height:

1260 mm (49.6 in)

Wheelbase:

2500 mm (98.4 in)

Weights

Curb Weight:

Approx. 1600-1700 kg (3527-3748 lbs) depending on configuration

Wheels And Tires

Wheel Bolt Pattern:

5x114.3 mm

Standard Tire Size:

225/55R16 (Standard), 245/45ZR17 (Optional/Twin-Turbo)

🛡️ Safety Features

Ratings

Crash Test Data:

Limited published official ratings for this era, but designed with crumple zones and reinforced passenger cage.

Active Features

Traction Control:

Available on some models (e.g., ECS/AWD system can contribute to traction management).

Standard on Twin-Turbo, available on some NA models.

Passive Features

Airbags:

Driver's side airbag standard.

Seat Belts:

3-point front seat belts with pretensioners, 2-point rear seat belts.

💡 Technology Features

Infotainment

Audio System:

Premium AM/FM Stereo with Cassette Player, often with a separate amplifier.

Driver Assistance

Active Aero:

Adjustable front and rear spoilers (on some trims) for optimized aerodynamics at speed.

Electronic Controlled Suspension allowing driver selection of ride comfort levels.

Aws 4Ws:

Active All-Wheel Steering system for improved maneuverability at low speeds and stability at high speeds.

Connectivity

Diagnostics:

OBD-I (On-Board Diagnostics) system with specific Mitsubishi diagnostic connectors and procedures covered in the manual.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Every 5,000 miles or 6 months, whichever comes first.

Timing Belt Replacement:

Every 60,000 miles or 5 years (CRITICAL for DOHC Twin-Turbo engine).

Fluid Specifications

Engine Oil Spec:

SAE 10W-30 or 10W-40 (API SG/SH or higher)

Engine Oil Capacity:

Approx. 4.5 Liters (with filter)

Brake Fluid Spec:

DOT 3 or DOT 4

Power Steering Fluid Spec:

Mitsubishi Power Steering Fluid or Dexron II/III ATF

Known Issues

Timing Belt:

Failure to replace the timing belt on schedule can lead to catastrophic engine damage (interference engine).

Turbochargers:

Potential for bearing wear, seal leaks, or wastegate issues if not properly maintained or abused.

Ecs System:

Aging ECS components (shocks, sensors, pumps) can fail, leading to a stiff ride or warning lights.

Fuel Injectors:

Clogging or failure of fuel injectors, especially on early models with twin-turbo setup.

📚 Vehicle History

Brand Heritage

Brand History:

Mitsubishi has a long history in motorsport and performance vehicle development, evident in the engineering of the 3000GT.

Model Evolution

Generation:

First Generation (1990-1993).

Design Philosophy:

Developed as a technological showcase, aiming to compete with European exotics in performance and features.

Production

Manufacturing Location:

Japan

Market Launch:

1990 (Model Year 1991 in North America)

🏆 Awards & Recognition

Recognitions

Car And Driver:

Named to Car and Driver's Ten Best list for 1991.

Motor Trend:

Considered a strong contender in its class by various automotive publications of the era.