Dodge Neon 1995-1999 31TH Transmission Specifications
This document provides detailed technical specifications for the 31th transmission used in the 1995-1999 Dodge Neon. It includes gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for mechanics, enthusiasts, and owners looking to understand, maintain, or repair the transmission. The guide also highlights common issues, compatibility with aftermarket parts, and performance upgrade options. Whether you're performing routine maintenance or a complete rebuild, this resource ensures accurate and reliable information to keep your Dodge Neon running smoothly.
Overview Specifications
This document provides detailed specifications and technical information about the 31th-transmission used in the 1995-1999 Dodge Neon. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance characteristics. Use this guide to locate specific details, troubleshoot issues, or enhance your knowledge of the transmission system.
How to Use
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Navigate through the document using the table of contents or section headings. Each section is organized to provide a logical flow of information, from general overviews to specific technical details.
Key Specifications
Transmission Type
Manual 5-speed
Weight
75 lbs
Fluid Capacity
2.2 quarts
Maximum Torque
130 lb-ft
Gear Ratios
3.55:1 to 0.97:1
Available Specifications
Transmission Design and Components
This section covers the design philosophy and key components of the 31th-transmission. Learn about the materials used, the layout of the transmission, and how it integrates with the Dodge Neon's drivetrain.
Transmission Design and Components
This section covers the design philosophy and key components of the 31th-transmission. Learn about the materials used, the layout of the transmission, and how it integrates with the Dodge Neon's drivetrain.
Gear Ratios and Configuration
- 1st gear ratio: 3.55:1
- 2nd gear ratio: 2.13:1
- 3rd gear ratio: 1.36:1
- 4th gear ratio: 0.97:1
- Reverse gear ratio: 3.50:1
- Final drive ratio: 3.94:1
Transmission Housing and Materials
- Aluminum alloy housing for reduced weight
- Sealed bearings for durability
- Integrated cooling system for optimal performance
- High-strength steel gears for longevity
Performance and Efficiency
Explore the performance characteristics and efficiency metrics of the 31th-transmission. This section includes data on power handling, fuel efficiency, and operational limits.
Performance and Efficiency
Explore the performance characteristics and efficiency metrics of the 31th-transmission. This section includes data on power handling, fuel efficiency, and operational limits.
Power Handling and Torque Capacity
- Maximum torque capacity: 130 lb-ft
- Designed for engines up to 150 horsepower
- Smooth power delivery across all gears
- Optimized for city and highway driving
Fuel Efficiency and Emissions
- Contributes to an EPA-estimated 28 MPG city
- Supports low-emission vehicle standards
- Efficient gear shifting reduces fuel consumption
- Lightweight design enhances overall vehicle efficiency
Maintenance and Troubleshooting
This section provides guidance on maintaining the 31th-transmission and troubleshooting common issues. Learn about recommended service intervals, fluid specifications, and diagnostic tips.
Maintenance and Troubleshooting
This section provides guidance on maintaining the 31th-transmission and troubleshooting common issues. Learn about recommended service intervals, fluid specifications, and diagnostic tips.
Recommended Maintenance Schedule
- Transmission fluid change every 30,000 miles
- Inspect seals and gaskets every 15,000 miles
- Check for leaks during routine maintenance
- Replace clutch components as needed
Common Issues and Solutions
- Hard shifting: Check fluid levels and condition
- Transmission slipping: Inspect clutch and bands
- Unusual noises: Examine bearings and gears
- Fluid leaks: Replace seals and gaskets
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 4-speed
- Platform
- FWD (Front-Wheel Drive)
- Material
- Aluminum casing
- Location
- Integrated with engine block
Dimensions
- Length
- 24.5 inches (622.3 mm)
- Width
- 18.7 inches (475 mm)
- Height
- 12.3 inches (312.4 mm)
- Weight
- 125 lbs (56.7 kg)
- input Shaft Diameter
- 1.2 inches (30.5 mm)
- Output Shaft Diameter
- 1.1 inches (27.9 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
Features
- Performance
-
- Smooth shift transitions
- Adaptive shift logic
- Torque converter lockup
- Durability
-
- Reinforced gear teeth
- High-temperature fluid resistance
- Corrosion-resistant casing
- Efficiency
-
- Optimized gear ratios
- Reduced internal friction
- Lightweight design
- Control
-
- Electronic shift control
- Manual shift override
- Fail-safe limp mode
Safety Features
- Mechanical
-
- Overheat protection
- Overpressure relief valve
- Electronic
-
- Shift interlock system
- Fault code diagnostics
Comfort Features
- Noise Reduction
-
- Precision gear meshing
- Vibration dampening mounts
- Smoothness
-
- Hydraulic shift control
- Torque converter cushioning
Accessories
- installation
-
- Transmission mount kit
- Shift linkage
- Cooling lines
- Maintenance
-
- Fluid filter kit
- Gasket set
- Seal kit
- Upgrades
-
- Performance torque converter
- Shift improvement kit
- External cooler
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Shift linkage adjustment
- Mount inspection
- Diagnostic scan
- Maintenance Notes
- Use only ATF+4 transmission fluid for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Major components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation only
- Emissions
- Miles: 50,000Years: 4Coverage: Emission-related parts
Production Details
- Manufacturer
- Chrysler Corporation
- Manufacturing Process
-
- Casting of aluminum casing
- CNC machining of gears
- Heat treatment of components
- Precision assembly
- Quality Control
- inspection: 100% component testingTesting: Dyno performance validationStandards: ISO 9001 certified
- Sustainability Practices
-
- Recycled aluminum usage
- Waste reduction initiatives
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: 0.5%Lead Time: 2 weeks
Service Information for 31th transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Replace fluid filter
- Inspect seals and gaskets
- Check shift linkage
- Perform diagnostic scan
Use only ATF+4 fluid for replacement.
- Inspect torque converter
- Check transmission mounts
- Test electronic shift control
- Flush cooling lines
Special tools required for torque converter inspection.
- Overhaul clutch packs
- Replace worn seals
- Inspect gear teeth
- Test hydraulic pressure
Major service requires transmission removal.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 31th transmission compatible with all 1995-1999 Dodge Neon models?
Is the 31th transmission compatible with all 1995-1999 Dodge Neon models?
The 31th transmission is compatible with most 1995-1999 Dodge Neon models, including the base, Highline, and Sport trims. However, compatibility may vary depending on engine type (e.g., 2.0L SOHC or DOHC). Always verify the transmission model and engine configuration before installation. For specific compatibility details, consult the vehicle's service manual or a certified Dodge technician.
Q2 What are the maintenance requirements for the 31th transmission in a Dodge Neon?
What are the maintenance requirements for the 31th transmission in a Dodge Neon?
The 31th transmission requires regular maintenance to ensure optimal performance. This includes checking and replacing the transmission fluid every 30,000-60,000 miles, inspecting for leaks, and ensuring proper linkage adjustment. Additionally, the filter should be replaced during fluid changes. Regular inspections of the clutch system and synchronizers are recommended to prevent premature wear and ensure smooth shifting.
Q3 How do I replace the 31th transmission in a 1995-1999 Dodge Neon?
How do I replace the 31th transmission in a 1995-1999 Dodge Neon?
To replace the 31th transmission, first, disconnect the battery and remove the starter motor. Support the engine with a jack, then detach the transmission mounts and driveshaft. Disconnect the shift linkage, speedometer cable, and electrical connectors. Remove the bellhousing bolts and carefully lower the transmission. Installation is the reverse process, ensuring proper alignment and torque specifications. Always refer to the service manual for detailed instructions.
Q4 What should I do if my 31th transmission is not shifting properly?
What should I do if my 31th transmission is not shifting properly?
If the 31th transmission is not shifting properly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause shifting issues. Inspect the clutch system for wear or misalignment. If the problem persists, check the shift linkage and synchronizers for damage. In some cases, internal transmission components may require repair or replacement. Consult a professional technician for a thorough diagnosis.
Q5 How can I optimize the performance of my 31th transmission?
How can I optimize the performance of my 31th transmission?
To optimize the performance of the 31th transmission, use high-quality transmission fluid and replace it regularly. Ensure the clutch system is properly adjusted and free of wear. Upgrade to performance synchronizers or shift kits for smoother and faster shifts. Regularly inspect and maintain the transmission mounts and linkage to reduce vibrations and improve shifting precision. Avoid aggressive driving to prolong the transmission's lifespan.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1995-1999 Dodge Neon Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the Dodge Neon, including the 31th transmission.
Technical Service Bulletin for 31th Transmission
Coming SoonOfficial bulletin addressing common issues, updates, and fixes for the 31th transmission in Dodge Neon models.
Dodge Neon Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts, including transmission components, for 1995-1999 Dodge Neon models.
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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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