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1991 Mitsubishi 3000GT Service Repair Manual

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$16.99
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$16.99
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🏷️ Basic Information Identification Make: Mitsubishi Model: 3000GT Year: 1991 Chassis Code: Z16A Generation Generation Code: First Generation (Z11A/Z15A/Z16A) Generation Years: 1990-1999 Codes Platform Code: Mitsubishi G platform 👋 Introduction...
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类型: Car
厂商:
斯库: 546032
1991 Mitsubishi 3000GT Service Repair Manual
🏷️ Basic Information
Identification
Make:
Mitsubishi
Model:
3000GT
Year:
1991
Chassis Code:
Z16A
Generation
Generation Code:
First Generation (Z11A/Z15A/Z16A)
Generation Years:
1990-1999
Codes
Platform Code:
Mitsubishi G platform
👋 Introduction
Market Position
Positioning:
The 1991 Mitsubishi 3000GT (also known as the GTO in Japan) was a flagship sports car, designed to compete with established European performance coupes like the Porsche 964 and Chevrolet Corvette C4. It was known for its advanced technology and stylish design.
Competitive Analysis
Competitors:
Key competitors at launch included the Nissan 300ZX (Z32), Toyota Supra (MkIII), Mazda RX-7 (FC), Chevrolet Corvette (C4), and Porsche 944/964.
Key Features
Innovations:
The 1991 model year was notable for introducing technologies like active aerodynamics (adjustable front air dam and rear wing), an adaptive suspension system (ECS), and a four-wheel steering system (4WS) on certain trims, setting it apart from many contemporaries.
📋 Manual Details
Coverage Areas
Major Systems:
Engine, Fuel, Cooling, Intake/Exhaust, Emission Control, Clutch, Transmissions (Manual/Automatic), Drivetrain (Propeller Shaft, Front/Rear Axles), Wheels/Tires, Mounts, Suspension (Front/Rear/Electronic Control), Brakes (Service/Parking), Steering, 4-Wheel Steering (4WS), Body (Exterior/Interior), SRS, HVAC, Engine Electrical, Chassis Electrical
Page Count
Estimated Pages:
Detailed, but specific page count not provided. Extensive coverage implied.
Manual Type
Type:
Service Repair Manual
Language
Language:
English
Format
Format:
PDF
📖 Manual Coverage
Systems Covered
Powertrain:
Comprehensive coverage of the 6G72 V6 engine, including its twin-turbo variants if applicable to the 1991 model year, detailed explanations of fuel delivery systems, cooling system components, intake and exhaust manifolds, emission control devices, clutch operation, and both manual and automatic transaxle repair procedures.
Drivetrain And Suspension:
Detailed breakdown of propeller shaft, front and rear axle assemblies, wheel and tire specifications, power plant mount systems, front and rear suspension geometries, and specific coverage for the advanced Electronic Control Suspension (ECS) system and the groundbreaking 4-Wheel Steering (4WS) system.
Chassis And Body:
Extensive coverage of service brakes, parking brake mechanisms, steering system components, body structure, exterior trim and panels, interior components, Supplemental Restraint System (SRS), and HVAC (Heater, Air Conditioner, Ventilation) systems.
Electrical:
In-depth coverage of engine electrical systems, including ignition, starting, charging, and engine control units (ECUs), as well as comprehensive chassis electrical systems covering lighting, instrumentation, power accessories, and body control modules.
Procedures Included
Diagnostic And Repair:
Includes step-by-step repair procedures, diagnostic flowcharts for troubleshooting common issues, removal and installation instructions for major components, and detailed technical data for adjustments and calibrations.
Maintenance And Overhaul:
Covers routine maintenance tasks, fluid level checks, component inspections, and detailed overhaul procedures for engines, transmissions, and other mechanical systems. Also includes information on parts diagrams and lists for accurate identification.
Technical Depth
Depth:
Comprehensive, suitable for both DIY enthusiasts and professional technicians. Provides detailed technical specifications, torque values, diagnostic codes, and circuit diagrams.
📊 Manual Specifications
File Format
Compatibility:
All Versions of Windows & Mac
Reader Requirement:
Adobe PDF Reader
Print Quality
Printability:
All pages are printable for workshop use.
Binding Type
Type:
Digital Download (PDF)
Paper Type
N/A:
Not Applicable (Digital)
⚙️ Engine Specifications
Primary Engine
Engine Code:
6G72
Configuration:
3.0L V6 SOHC (non-turbo) and DOHC Twin-Turbo (VR-4 model)
Performance
Horsepower Naturally Aspirated:
Approximately 164 hp @ 5500 rpm (US Spec, non-turbo)
Horsepower Twin Turbo:
Approximately 300 hp @ 6000 rpm (US Spec, VR-4)
Torque Naturally Aspirated:
Approximately 185 lb-ft @ 4500 rpm (US Spec, non-turbo)
Torque Twin Turbo:
Approximately 307 lb-ft @ 2500 rpm (US Spec, VR-4)
Fuel System
Injection Type:
Electronic Fuel Injection (EFI) with sequential injection
Fuel Type:
Unleaded Gasoline
General
Bore X Stroke:
85.0 mm x 88.0 mm
Compression Ratio Naturally Aspirated:
8.5:1
Compression Ratio Twin Turbo:
7.8:1
Valvetrain:
SOHC 12-valve (non-turbo), DOHC 24-valve (twin-turbo)
🔧 Transmission
Standard
Type Base Model:
5-Speed Manual Transaxle
Optional
Type Vr4 Model:
4-Speed Automatic Transaxle with electronically controlled torque converter lock-up
Features
All Wheel Drive Vr4:
The VR-4 model featured an advanced full-time all-wheel-drive system with a viscous coupling center differential and a torque-sensing limited-slip rear differential.
Electronic Control Suspension Ecs:
Available on VR-4 models, allowing driver selection of suspension stiffness.
📐 Dimensions
Exterior
Length:
4605 mm (181.3 in)
Width:
1840 mm (72.4 in)
Height:
1245 mm (49.0 in)
Wheelbase:
2500 mm (98.4 in)
Weights
Curb Weight Manual:
Approx. 1600 kg (3527 lbs)
Curb Weight Automatic Vr4:
Approx. 1700 kg (3748 lbs)
🛡️ Safety Features
Ratings
NHTSA Ratings:
Specific NHTSA ratings for the 1991 model year are not readily available in typical documentation. However, the vehicle was designed with a focus on occupant protection for its era.
Active Features
Active Aerodynamics:
Adjustable front air dam and rear spoiler for optimizing downforce and drag at different speeds (VR-4).
Four Wheel Steering:
Active 4WS system for improved high-speed stability and low-speed maneuverability.
Passive Features
Airbags:
Driver's side airbag (standard on VR-4, optional or not available on base models).
Seatbelts:
3-point front seatbelts with pretensioners.
Body Structure:
Reinforced safety cell and crumple zones.
💡 Technology Features
Infotainment
Audio System:
Standard AM/FM stereo with cassette player. Premium Mitsubishi stereo options may have been available, often with an amplifier and equalizer.
Driver Assistance
Cruise Control:
Standard cruise control system.
Anti Lock Brakes:
ABS (Anti-lock Braking System) was standard on VR-4 models and available on other trims.
Connectivity
N/A:
No integrated digital connectivity features as per modern standards. Focus was on mechanical and electromechanical systems.
🔧 Maintenance
Service Intervals
Oil Change:
Typically every 5,000-7,500 miles or 6 months, depending on driving conditions. Consult manual for specific intervals.
Timing Belt:
Critical component. Recommended replacement every 60,000-90,000 miles or 5-7 years. Failure can cause catastrophic engine damage.
Spark Plugs:
Refer to manual for specific type and interval, typically around 30,000-60,000 miles.
Fluid Specifications
Engine Oil:
API SG or higher, viscosity typically SAE 10W-30 or 10W-40. Consult manual for precise specification and capacity.
Coolant:
Ethylene glycol-based coolant, typically a 50/50 mix with distilled water. Capacity varies.
Transmission Fluid Manual:
API GL-4 or GL-5 gear oil. Capacity typically around 2.5 liters.
Transmission Fluid Automatic:
Dexron-II or equivalent ATF. Capacity typically around 7 liters for a full flush.
Power Steering Fluid:
Power steering fluid meeting Mitsubishi specifications (e.g., PSF). Capacity typically under 1 liter.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Known Issues
Timing Belt Tensioner:
Tensioner failure is a significant concern, often leading to belt jump or breakage. Regular inspection and replacement are vital.
Ecs System:
Electronic Control Suspension components can be prone to failure with age, leading to leaks or improper damping. Repairs can be costly due to specialized nature.
Active Aero:
Actuators and control modules for active aerodynamics can fail, rendering them inoperable. Diagnosis and repair require specialized knowledge.
Turbocharger Wear:
On VR-4 models, turbochargers require proper maintenance (oil changes, warm-up/cool-down) to prevent premature failure. Seals and bearings can wear over time.
Exhaust Manifold Cracks:
Exhaust manifolds, particularly on the V6 engines, can develop cracks due to thermal cycling, leading to exhaust leaks and performance issues.
Rust And Corrosion:
As with many vehicles of this era, especially those in rust-prone climates, body panels, suspension components, and underbody structures can be susceptible to corrosion.
📚 Vehicle History
Brand Heritage
Parent Company:
Mitsubishi Motors Corporation, a long-standing Japanese automotive manufacturer with a history of innovation and performance vehicles.
Model Evolution
Predecessor:
No direct predecessor, but built on Mitsubishi's experience with performance coupes like the Starion/Conquest.
First Generation:
Launched in 1990 (for the 1991 model year in North America), it was a clean-sheet design representing Mitsubishi's entry into the high-performance GT segment.
Production
Manufacturing Location:
Japan
Production Years:
1990-1999 (First Generation)
🏆 Awards & Recognition
Recognitions
Car And Driver 10 Best:
The 3000GT VR-4 was named to Car and Driver's 10Best list for 1991, highlighting its advanced technology and performance.
Ratings
Automotive Journalism Reviews:
Generally received positive reviews for its engineering, handling, and performance, particularly the VR-4 model, though some criticized its weight and complexity.
Certifications
N/A:
No specific certifications mentioned beyond adherence to safety and emissions standards of the era.
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