Mitsubishi Mitsubishi Diamante 1992-1995 INVEC Transmission Specifications
This document provides detailed specifications for the INVECS (Intelligent & Innovative Vehicle Electronic Control System) transmission found in the 1992-1995 Mitsubishi Diamante. The INVECS transmission was a groundbreaking innovation, combining adaptive shift control with smooth performance. This guide includes technical details such as gear ratios, torque converter specifications, fluid capacity, and maintenance intervals. It also covers diagnostic codes, common issues, and repair procedures. Whether you're a mechanic, enthusiast, or owner, this resource is invaluable for understanding, maintaining, or repairing the INVECS transmission. It ensures optimal performance and longevity for your vehicle, making it a must-have for anyone working with or owning a 1992-1995 Mitsubishi Diamante.
Overview Specifications
This document provides detailed specifications and technical information about the INVECS transmission system used in the 1992-1995 Mitsubishi Diamante. It covers key features, operation, and maintenance aspects of the transmission. Use this guide to understand the system's functionality, troubleshoot issues, and ensure optimal performance. The document is organized into sections for easy navigation and includes a quick reference for key specifications.
How to Use
Use the search functionality to find specific terms or topics within the document. Enter keywords related to the INVECS transmission, such as 'shifting patterns' or 'fluid capacity,' to quickly locate relevant information.
Navigate through the document using the section titles and subsections. Each section focuses on a specific aspect of the INVECS transmission, such as technical features or maintenance. Use the table of contents or scroll through the document to find the desired information.
Key Specifications
Transmission Type
INVECS 4-Speed Automatic
Fluid Capacity
7.4 quarts (7.0 liters)
Recommended Fluid
Diamond ATF SP-III
Shift Modes
Automatic and Manual
Gear Ratios
1st: 2.84, 2nd: 1.57, 3rd: 1.00, 4th: 0.69
Available Specifications
Technical Features
This section outlines the technical aspects of the INVECS transmission system, including its design, operation, and unique features. It provides an in-depth look at how the system enhances driving performance and efficiency.
Technical Features
This section outlines the technical aspects of the INVECS transmission system, including its design, operation, and unique features. It provides an in-depth look at how the system enhances driving performance and efficiency.
Adaptive Shift Control
- Automatically adjusts shift patterns based on driving conditions
- Enhances fuel efficiency and performance
- Uses sensors to monitor throttle position and vehicle speed
- Provides smooth and responsive gear changes
Electronically Controlled Transmission
- Utilizes advanced electronic control units (ECUs)
- Ensures precise gear selection and timing
- Reduces mechanical wear and tear
- Supports manual and automatic modes
Operation and Maintenance
This section provides guidance on operating the INVECS transmission and maintaining it for optimal performance. It includes tips on fluid changes, troubleshooting, and common issues.
Operation and Maintenance
This section provides guidance on operating the INVECS transmission and maintaining it for optimal performance. It includes tips on fluid changes, troubleshooting, and common issues.
Fluid Requirements
- Use Mitsubishi Diamond ATF SP-III fluid
- Check fluid levels regularly
- Replace fluid every 30,000 miles or as recommended
- Ensure proper fluid temperature during checks
Troubleshooting Common Issues
- Address delayed or harsh shifting promptly
- Check for error codes using diagnostic tools
- Inspect for leaks or damaged components
- Consult a professional for complex issues
Performance and Efficiency
This section highlights the performance benefits and efficiency improvements offered by the INVECS transmission. It covers acceleration, fuel economy, and driving dynamics.
Performance and Efficiency
This section highlights the performance benefits and efficiency improvements offered by the INVECS transmission. It covers acceleration, fuel economy, and driving dynamics.
Acceleration and Power Delivery
- Provides seamless power transfer
- Optimizes gear ratios for quick acceleration
- Enhances overall driving experience
- Supports both city and highway driving
Fuel Economy
- Reduces fuel consumption through efficient shifting
- Adapts to eco-driving habits
- Minimizes energy loss during gear changes
- Supports long-term cost savings
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 4-speed with INVECS-II adaptive control
- Platform
- Mitsubishi Diamante 1992-1995
- Material
- Aluminum alloy housing
- Location
- Front-wheel drive
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.2 inches (564 mm)
- Height
- 18.7 inches (475 mm)
- Weight
- 165 lbs (75 kg)
- input Shaft Diameter
- 0.98 inches (25 mm)
- Output Shaft Diameter
- 1.18 inches (30 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction material
- Seals
- Synthetic rubber
- Sensors
- Plastic and copper
Features
- Adaptive Control
-
- INVECS-II learning system
- Adaptive shift patterns
- Driver behavior analysis
- Shift Quality
-
- Smooth gear transitions
- Sport mode option
- Manual override capability
- Durability
-
- Reinforced gear design
- High-temperature resistance
- Sealed components
- Efficiency
-
- Optimized gear ratios
- Reduced friction design
- Lightweight construction
- Safety
-
- Fail-safe mode
- Overheat protection
- Diagnostic system integration
Safety Features
- Fail Safe
-
- Limp-home mode
- Automatic shutdown in critical failure
- Overheat Protection
-
- Temperature monitoring
- Automatic cooling measures
- Diagnostics
-
- On-board error codes
- Integration with vehicle systems
Comfort Features
- Smooth Shifting
- Adaptive shift control for smooth transitions
- Noise Reduction
- Sound-dampened housing
- Drive Modes
-
- Eco mode
- Sport mode
- Manual Control
- Gear selector override
Accessories
- Fluids
-
- ATF fluid
- Seal conditioner
- Additives
- Tools
-
- Transmission jack
- Fluid pump
- Diagnostic scanner
- Replacement Parts
-
- Filter kit
- Gasket set
- Sensors
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter change
- Seal inspection
- Sensor calibration
- Gear shift adjustment
- Diagnostic scan
- Maintenance Notes
- Use only Mitsubishi-approved ATF fluid for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Defects in materials and workmanship
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: 100,000Years: 7Coverage: Rust perforation
- Extended
- Miles: 100,000Years: 7Coverage: Optional extended coverage
Production Details
- Manufacturer
- Mitsubishi Motors
- Manufacturing Process
-
- CNC machining
- Precision assembly
- Quality testing
- Quality Control
- Testing: Durability testing, Temperature cyclingStandards: ISO 9001 certified
- Sustainability Practices
-
- Recycled materials
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%
Service Information for invec transmission Service
Maintenance and service requirements specific to this component
- Fluid and filter replacement
- Seal inspection
- Sensor calibration
- Diagnostic scan
- Gear shift adjustment
Use only Mitsubishi-approved ATF fluid.
- Comprehensive diagnostic check
- Clutch pack inspection
- Fluid flush
- System calibration
- Component lubrication
Inspect for wear and tear on internal components.
- Transmission overhaul
- Replace worn components
- Full system recalibration
- Fluid and filter replacement
- Performance testing
Major service may require specialized tools.
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 1992-1995 Mitsubishi Diamante transmission?
What are the technical specifications of the 1992-1995 Mitsubishi Diamante transmission?
The 1992-1995 Mitsubishi Diamante is equipped with an INVECS (Intelligent & Innovative Vehicle Electronic Control System) transmission. This 4-speed automatic transmission features adaptive shift control, which adjusts shift timing based on driving conditions. It is compatible with the 3.0L V6 engine, providing smooth and efficient performance. The transmission also includes a lock-up torque converter for improved fuel efficiency. Regular use of Mitsubishi-approved transmission fluid is recommended to maintain optimal performance.
Q2 What maintenance is required for the Mitsubishi Diamante transmission?
What maintenance is required for the Mitsubishi Diamante transmission?
Regular maintenance for the Mitsubishi Diamante transmission includes checking and replacing the transmission fluid every 30,000 to 60,000 miles, depending on driving conditions. Inspect the transmission filter and gasket during fluid changes. Ensure the transmission cooler lines are free of leaks and blockages. Periodic inspections of the transmission mounts and linkage are also recommended. Adhering to the maintenance schedule in the owner's manual will help prolong the transmission's lifespan.
Q3 How do I replace the transmission in a 1992-1995 Mitsubishi Diamante?
How do I replace the transmission in a 1992-1995 Mitsubishi Diamante?
To replace the transmission in a 1992-1995 Mitsubishi Diamante, first disconnect the battery and drain the transmission fluid. Remove the driveshaft, transmission cooler lines, and shift linkage. Support the engine with a jack and remove the transmission crossmember and mounts. Carefully lower the transmission and disconnect it from the engine. Install the new transmission by reversing the removal steps, ensuring all connections are secure. Refill with the appropriate transmission fluid and test for proper operation.
Q4 What are common troubleshooting steps for the Diamante transmission?
What are common troubleshooting steps for the Diamante transmission?
If the Diamante transmission is not functioning properly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause shifting issues. Inspect for leaks in the transmission cooler lines and seals. Use a diagnostic scanner to check for error codes in the transmission control module. Test the transmission solenoids and sensors for proper operation. If the problem persists, consult a professional technician for further diagnosis and repair.
Q5 How can I optimize the performance of my Diamante transmission?
How can I optimize the performance of my Diamante transmission?
To optimize the performance of your Diamante transmission, use Mitsubishi-approved transmission fluid and change it regularly. Avoid aggressive driving and sudden acceleration to reduce wear on the transmission. Ensure the transmission cooler is functioning properly to prevent overheating. Regularly inspect and maintain the transmission mounts and linkage. Consider using a transmission additive to improve fluid properties. Following these tips will help maintain smooth and efficient transmission operation.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1992-1995 Mitsubishi Diamante Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting procedures for the Diamante transmission.
INVECS Transmission Technical Bulletin
Coming SoonTechnical update highlighting common issues and solutions for the INVECS transmission system.
Mitsubishi Diamante Parts Catalog
Coming SoonDetailed catalog of OEM parts and accessories for the 1992-1995 Mitsubishi Diamante transmission.
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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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