Mitsubishi Mitsubishi 3000GT 1990-1993 INVEC Transmission Specifications
This document provides detailed specifications for the INVECS (Intelligent & Innovative Vehicle Electronic Control System) transmission used in the 1990-1993 Mitsubishi 3000GT. It covers key technical details such as gear ratios, torque capacity, fluid requirements, and electronic control features. The INVECS transmission was a groundbreaking innovation at the time, offering adaptive shift control and improved driving dynamics. This resource is invaluable for owners, mechanics, and enthusiasts seeking to understand, maintain, or upgrade their 3000GT's transmission system. Whether you're performing routine maintenance, diagnosing issues, or enhancing performance, this guide serves as a comprehensive reference for ensuring optimal transmission functionality.
Overview Specifications
This document provides detailed specifications and technical information about the INVEC (Intelligent & Innovative Vehicle Electronic Control) transmission system used in the 1990-1993 Mitsubishi 3000GT. It is designed to assist enthusiasts, mechanics, and engineers in understanding the system's features, functionality, and maintenance requirements. Use this guide to navigate through sections, search for specific details, and quickly reference key specifications.
How to Use
Use the search function to find specific terms or phrases related to the INVEC transmission. Enter keywords such as 'gear ratios' or 'shift logic' to locate relevant information quickly.
Navigate through the document using the section titles and subsections. Each major section is organized by topic, and subsections provide detailed points for easy reference.
Key Specifications
Transmission Type
INVEC Automatic
Gear Count
4-Speed
Torque Capacity
250 lb-ft
Fluid Capacity
7.4 Quarts
Weight
150 lbs
Available Specifications
INVEC Transmission Overview
This section provides an introduction to the INVEC transmission system, its development, and its role in the Mitsubishi 3000GT. Learn about the system's key features and how it enhances driving performance.
INVEC Transmission Overview
This section provides an introduction to the INVEC transmission system, its development, and its role in the Mitsubishi 3000GT. Learn about the system's key features and how it enhances driving performance.
Introduction to INVEC
- Developed by Mitsubishi in the late 1980s
- First introduced in the 1990 Mitsubishi 3000GT
- Combines automatic and manual transmission features
- Uses electronic control units for optimized shifting
- Enhances fuel efficiency and driving comfort
- Designed for high-performance sports cars
Key Features
- Adaptive shift control for smoother gear changes
- Manual override for driver input
- Integrated with the vehicle's ECU for real-time adjustments
- Supports multiple driving modes (e.g., Sport, Economy)
- Built-in diagnostics for maintenance tracking
- Durable construction for long-term reliability
Technical Specifications
This section covers the technical details of the INVEC transmission, including gear ratios, torque capacity, and system dimensions. Use this information for maintenance, upgrades, or performance tuning.
Technical Specifications
This section covers the technical details of the INVEC transmission, including gear ratios, torque capacity, and system dimensions. Use this information for maintenance, upgrades, or performance tuning.
Gear Ratios
- 1st Gear: 2.842:1
- 2nd Gear: 1.529:1
- 3rd Gear: 1.000:1
- 4th Gear: 0.712:1
- Reverse Gear: 2.343:1
- Final Drive Ratio: 3.538:1
Torque and Power Handling
- Maximum Torque Capacity: 250 lb-ft
- Designed for engines up to 300 HP
- Handles high RPM shifts efficiently
- Optimized for both turbocharged and NA engines
- Durable clutch packs for consistent performance
- Fluid cooling system to prevent overheating
Maintenance and Troubleshooting
This section provides guidelines for maintaining the INVEC transmission and troubleshooting common issues. Follow these tips to ensure optimal performance and longevity.
Maintenance and Troubleshooting
This section provides guidelines for maintaining the INVEC transmission and troubleshooting common issues. Follow these tips to ensure optimal performance and longevity.
Routine Maintenance
- Check transmission fluid every 30,000 miles
- Replace fluid and filter every 60,000 miles
- Inspect for leaks around seals and gaskets
- Ensure proper alignment of shift cables
- Monitor ECU error codes for early detection
- Lubricate moving parts during service
Common Issues
- Delayed or harsh shifting
- Transmission slipping under load
- Error codes indicating sensor failure
- Fluid contamination from worn components
- Unusual noises during gear changes
- Overheating during prolonged use
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 4-speed electronically controlled
- Platform
- INVECS
- Material
- Aluminum alloy casing
- Location
- Front-engine, front-wheel drive
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 17.3 inches (439 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.18 inches (30 mm)
- Output Shaft Diameter
- 1.38 inches (35 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction material
- Seals
- Viton rubber
- Sensors
- Stainless steel
Features
- Driving Modes
-
- Normal
- Power
- Winter
- Electronic Controls
-
- Adaptive shift control
- Self-learning algorithm
- Torque converter lockup
- Smooth shift logic
- Performance
-
- Quick shift response
- Reduced shift shock
- Improved fuel efficiency
- Enhanced durability
- Monitoring
-
- Transmission temperature sensor
- Speed sensor
- Pressure sensor
- Convenience
-
- Paddle shifters (optional)
- Manual mode override
- Shift lock release
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Sensor failure detection
- Mechanical Safety
-
- Shear pin protection
- Overpressure relief valve
Comfort Features
- Shift Quality
-
- Smooth transitions
- Reduced noise
- Adaptive shift patterns
- Driving Experience
-
- Enhanced control in winter mode
- Sportier shifts in power mode
- Customizable shift points
Accessories
- Optional Add Ons
-
- Shift kit
- Transmission cooler
- Performance fluid
- Replacement Parts
-
- Filter kit
- Gasket set
- Seal kit
- Tools
-
- Fluid pump
- Diagnostic scanner
- Torque wrench
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Sensor calibration
- Shift linkage adjustment
- Torque converter check
- Maintenance Notes
- Use only Mitsubishi-approved transmission fluid for optimal performance.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Transmission components
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Optional extended coverage
- Warranty Terms
- Coverage excludes damage due to misuse or improper maintenance.
Production Details
- Manufacturer
- Mitsubishi Motors
- Manufacturing Process
-
- Precision machining
- Automated assembly
- Quality testing
- Quality Control
- inspection: 100% component testingTesting: Dyno and road simulationStandards: ISO 9001 certified
- Sustainability Practices
-
- Recycled aluminum usage
- Low-emission manufacturing
- Eco-friendly packaging
- Production Metrics
- Units Per Year: 50,000Defect Rate: Less than 0.5%Lead Time: 4 weeks
Service Information for invec transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Inspect seals and gaskets
- Check for leaks
- Calibrate sensors
- Adjust shift linkage
Ensure proper fluid level and type for optimal performance.
- Replace filter kit
- Inspect clutch packs
- Check torque converter
- Test electronic controls
- Lubricate moving parts
Use diagnostic tools for detailed system checks.
- Overhaul transmission
- Replace worn components
- Test pressure and flow
- Verify shift patterns
- Inspect for wear and tear
Major service requires specialized equipment and expertise.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 1990-1993 Mitsubishi 3000GT transmission compatible with other models?
Is the 1990-1993 Mitsubishi 3000GT transmission compatible with other models?
The 1990-1993 Mitsubishi 3000GT transmission is specifically designed for this model and its variants, such as the VR-4 and SL trims. While it may share some components with other Mitsubishi models of the era, direct compatibility is limited. Always verify part numbers and consult technical specifications to ensure proper fitment. Cross-referencing with OEM or aftermarket resources is recommended.
Q2 What are the maintenance requirements for the 1990-1993 Mitsubishi 3000GT transmission?
What are the maintenance requirements for the 1990-1993 Mitsubishi 3000GT transmission?
Regular maintenance for the 1990-1993 Mitsubishi 3000GT transmission includes checking and replacing transmission fluid every 30,000 to 60,000 miles, inspecting for leaks, and ensuring proper clutch operation. Additionally, monitor the condition of the transmission mounts and shift linkage. Adhering to the manufacturer’s maintenance schedule is crucial for longevity and optimal performance.
Q3 How do I replace the transmission in a 1990-1993 Mitsubishi 3000GT?
How do I replace the transmission in a 1990-1993 Mitsubishi 3000GT?
To replace the transmission, safely lift the vehicle and remove the undercarriage shielding. Disconnect the driveshaft, shift linkage, and electrical connectors. Support the engine and remove the transmission crossmember. Carefully lower the transmission and reverse the steps to install the new unit. Torque all bolts to factory specifications and refill with the recommended transmission fluid.
Q4 What are common troubleshooting steps for transmission issues in the 1990-1993 Mitsubishi 3000GT?
What are common troubleshooting steps for transmission issues in the 1990-1993 Mitsubishi 3000GT?
Common transmission issues include slipping gears, fluid leaks, and rough shifting. Start by checking the fluid level and condition. Inspect for leaks around seals and gaskets. Test the clutch system for proper operation. If issues persist, scan for error codes using a diagnostic tool and consult the service manual for further guidance.
Q5 How can I optimize the performance of my 1990-1993 Mitsubishi 3000GT transmission?
How can I optimize the performance of my 1990-1993 Mitsubishi 3000GT transmission?
To optimize performance, use high-quality synthetic transmission fluid and ensure proper fluid levels. Upgrade to performance clutch components if necessary. Regularly inspect and maintain the transmission system. Avoid aggressive shifting and ensure the vehicle is properly warmed up before pushing it to its limits. Consider a professional tune-up for advanced performance enhancements.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1990-1993 Mitsubishi 3000GT Service Manual
Coming SoonComprehensive guide covering all aspects of the vehicle, including transmission maintenance, repair procedures, and specifications.
Mitsubishi Technical Service Bulletin for Transmission Updates
Coming SoonOfficial bulletin detailing updates, recalls, and fixes for the 1990-1993 Mitsubishi 3000GT transmission system.
Mitsubishi 3000GT Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts, including transmission components, for the 1990-1993 Mitsubishi 3000GT.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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