Dodge Ram 2500 1994-2002 46RE Transmission Specifications
This document provides detailed technical specifications for the 46RE automatic transmission used in the 1994-2002 Dodge RAM 2500. It includes gear ratios, torque converter specifications, fluid capacity, shift points, and other critical performance data. These specifications are essential for mechanics, enthusiasts, and owners looking to maintain, repair, or upgrade their vehicle's transmission. The information is derived from factory service manuals and technical bulletins, ensuring accuracy and reliability. Whether you're diagnosing a transmission issue, planning a rebuild, or optimizing performance, this guide offers valuable insights to help you achieve your goals.
Overview Specifications
This document provides detailed specifications and technical information about the 46RE transmission used in the 1994-2002 Dodge RAM 2500. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance capabilities. Use this guide to navigate through sections, find specific details, and reference key specifications for troubleshooting or upgrades.
How to Use
Use the search functionality to quickly locate specific terms or topics within the document. Enter keywords related to the 46RE transmission, such as 'torque converter' or 'fluid capacity,' to find relevant information.
Navigate through the document using the section titles and subsections. Each major section focuses on a specific aspect of the 46RE transmission, with detailed points under each subsection for easy reference.
Key Specifications
Transmission Type
4-speed automatic with overdrive
Fluid Capacity
12 quarts (with torque converter)
Torque Capacity
Up to 450 lb-ft
Gear Ratios
1st: 2.74, 2nd: 1.54, 3rd: 1.00, 4th: 0.69
Weight
Approx. 200 lbs
Available Specifications
Transmission Design and Features
This section covers the design and key features of the 46RE transmission, including its construction, components, and operational characteristics. Learn about its durability, performance, and how it integrates with the Dodge RAM 2500's powertrain.
Transmission Design and Features
This section covers the design and key features of the 46RE transmission, including its construction, components, and operational characteristics. Learn about its durability, performance, and how it integrates with the Dodge RAM 2500's powertrain.
Construction and Materials
- Cast aluminum case for lightweight durability
- Four-speed automatic design with overdrive
- Heavy-duty torque converter for improved towing capacity
- High-strength gears and shafts for reliability
- Integrated cooling system for optimal temperature control
- Sealed bearings for reduced maintenance
Operational Features
- Electronic shift control for precise gear changes
- Lockup torque converter for improved fuel efficiency
- Adaptive shift programming for varying driving conditions
- Overdrive for reduced engine RPM at highway speeds
- Tow/Haul mode for enhanced performance under load
- Fail-safe limp mode for emergency operation
Maintenance and Service
This section provides guidelines for maintaining and servicing the 46RE transmission. It includes fluid specifications, inspection intervals, and common troubleshooting tips to ensure longevity and optimal performance.
Maintenance and Service
This section provides guidelines for maintaining and servicing the 46RE transmission. It includes fluid specifications, inspection intervals, and common troubleshooting tips to ensure longevity and optimal performance.
Fluid Requirements
- Use Dexron III/Mercon automatic transmission fluid
- Fluid capacity: 12 quarts (with torque converter)
- Regular fluid changes every 30,000-50,000 miles
- Check fluid level with engine running and transmission warm
- Replace filter during fluid changes
- Avoid overfilling to prevent foaming and overheating
Common Issues and Solutions
- Delayed or harsh shifts: Check fluid level and condition
- Slipping gears: Inspect clutch packs and bands
- Overheating: Verify cooling system functionality
- Fluid leaks: Inspect seals and gaskets
- Check engine light: Scan for transmission-related codes
- Unusual noises: Inspect torque converter and internal components
Performance and Upgrades
Explore performance enhancements and upgrades available for the 46RE transmission. This section covers aftermarket parts, tuning options, and modifications to improve durability and power handling.
Performance and Upgrades
Explore performance enhancements and upgrades available for the 46RE transmission. This section covers aftermarket parts, tuning options, and modifications to improve durability and power handling.
Aftermarket Upgrades
- High-performance torque converters for increased stall speed
- Upgraded valve bodies for firmer shifts
- Reinforced clutch packs for higher torque capacity
- Deep transmission pans for additional fluid capacity
- External coolers for improved heat dissipation
- Shift kits for enhanced responsiveness
Tuning and Customization
- Custom shift programming for specific driving needs
- Adjustable line pressure for improved clutch engagement
- Performance tuning software for electronic control
- Modified gear ratios for better acceleration or fuel economy
- Upgraded solenoids for precise shift control
- Dyno testing to optimize performance settings
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 4-Speed Overdrive
- Platform
- Dodge RAM 2500 (1994-2002)
- Material
- Aluminum and Steel Alloy
- Location
- Rear-Wheel Drive Configuration
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 18.3 inches (465 mm)
- Height
- 22.7 inches (577 mm)
- Weight
- 165 lbs (75 kg)
- input Shaft Length
- 7.2 inches (183 mm)
- Output Shaft Length
- 12.8 inches (325 mm)
- Bell Housing Diameter
- 13.5 inches (343 mm)
Materials
- Housing
- Aluminum Alloy
- Gears
- Hardened Steel
- Clutch Plates
- Composite Friction Material
- Seals
- Nitrile Rubber
- Fluid
- ATF+4 Automatic Transmission Fluid
Features
- Performance
-
- Electronic Governor Control
- Lockup Torque Converter
- Overdrive Gear for Fuel Efficiency
- Adaptive Shift Logic
- Durability
-
- Heavy-Duty Clutch Packs
- Reinforced Planetary Gears
- High-Capacity Fluid Pump
- Control
-
- Electronic Pressure Control Solenoid
- Manual Valve Body Option
- Shift Kit Compatibility
- Cooling
-
- Integrated Transmission Cooler
- Fluid-to-Air Heat Exchanger
- High-Flow Fluid Passages
- Compatibility
-
- V8 Engine Compatibility
- Towing Package Integration
- 4x4 Transfer Case Support
Safety Features
- Overheating Protection
-
- Temperature Sensor
- Fail-Safe Mode Activation
- Pressure Control
-
- Electronic Pressure Regulation
- Overpressure Relief Valve
- Mechanical Fail-Safe
-
- Neutral Safety Switch
- Park Lock Mechanism
Comfort Features
- Shift Quality
-
- Smooth Gear Transitions
- Adaptive Shift Timing
- Noise Reduction
-
- Dampened Gear Engagement
- Isolated Mounting Points
- Driver Control
-
- Manual Shift Override
- Tow/Haul Mode
- Maintenance Ease
-
- Serviceable Fluid Pan
- External Filter Access
Accessories
- Performance Upgrades
-
- Shift Kits
- High-Stall Torque Converters
- Upgraded Valve Bodies
- Cooling Solutions
-
- Auxiliary Transmission Coolers
- High-Flow Thermostats
- Maintenance Tools
-
- Fluid Exchange Kits
- Filter Replacement Kits
- Transmission Jack Adapters
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and Filter Replacement
- Band Adjustment
- Seal Inspection
- Solenoid Testing
- Torque Converter Check
- Maintenance Notes
- Use only ATF+4 fluid for optimal performance and longevity.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Parts and Labor
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Transmission Components
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Major Components Only
- Warranty Terms
- Warranty void if non-ATF+4 fluid is used or if transmission is modified.
Production Details
- Manufacturer
- Chrysler Corporation
- Manufacturing Process
-
- CNC Machining
- Heat Treatment
- Precision Assembly
- Quality Control
- inspection Stages: Component Dimensional Checks, Pressure Testing, Dynamic BalancingTesting Procedures: Durability Testing, Shift Pattern Validation, Temperature Stress Testing
- Sustainability Practices
-
- Recycled Aluminum Usage
- Eco-Friendly Fluid Disposal
- Energy-Efficient Manufacturing
- Production Metrics
- Units Per Year: Approximately 150,000Defect Rate: Less than 0.5%
Service Information for 46re transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid and filter
- Inspect and adjust bands
- Check for fluid leaks
- Test solenoid operation
- Inspect torque converter
Use only ATF+4 fluid for replacement.
- Perform full fluid flush
- Replace seals and gaskets
- Inspect clutch packs
- Check valve body operation
- Test transmission cooler flow
Special tools required for valve body inspection.
- Overhaul transmission if necessary
- Replace worn gears and bearings
- Inspect and replace planetary gears
- Test pressure control system
- Perform full performance diagnostics
Major service may require transmission removal.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 46RE transmission compatible with all 1994-2002 Dodge RAM 2500 models?
Is the 46RE transmission compatible with all 1994-2002 Dodge RAM 2500 models?
The 46RE transmission is compatible with 1994-2002 Dodge RAM 2500 models equipped with the 5.9L Cummins diesel engine or the 5.2L/5.9L V8 gasoline engines. However, compatibility may vary based on drivetrain configurations and model year changes. Always verify your vehicle's specifications before purchasing or installing.
Q2 What are the maintenance requirements for the 46RE transmission?
What are the maintenance requirements for the 46RE transmission?
Regular maintenance for the 46RE transmission includes fluid and filter changes every 30,000-50,000 miles, depending on usage. Inspect for leaks, ensure proper fluid levels, and monitor for unusual noises or shifting issues. Severe driving conditions may require more frequent servicing to maintain optimal performance and longevity.
Q3 How do I replace the 46RE transmission in my Dodge RAM 2500?
How do I replace the 46RE transmission in my Dodge RAM 2500?
To replace the 46RE transmission, disconnect the battery, drain the fluid, and remove the driveshaft and crossmember. Disconnect wiring harnesses, cooler lines, and the torque converter. Support the transmission with a jack, unbolt it from the engine, and carefully lower it. Install the new transmission in reverse order, ensuring proper alignment and torque specifications.
Q4 What should I do if my 46RE transmission is slipping or not shifting properly?
What should I do if my 46RE transmission is slipping or not shifting properly?
If your 46RE transmission is slipping or not shifting, check the fluid level and condition first. Low or contaminated fluid can cause issues. Inspect for leaks, test the throttle valve cable, and scan for diagnostic trouble codes. If problems persist, consult a professional for further diagnosis, as internal components may require repair or replacement.
Q5 How can I optimize the performance of my 46RE transmission?
How can I optimize the performance of my 46RE transmission?
To optimize performance, use high-quality transmission fluid and ensure proper fluid levels. Consider upgrading the valve body, torque converter, and cooler for improved durability and shifting. Regularly inspect and maintain the transmission, and avoid excessive towing or heavy loads without proper modifications to prevent strain on the system.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1994-2002 Dodge RAM 2500 Service Manual
Coming SoonComprehensive service manual covering the 46RE transmission and other vehicle systems, including repair procedures, specifications, and maintenance schedules.
46RE Transmission Technical Service Bulletin
Coming SoonTechnical bulletin addressing common issues, updates, and recommended fixes for the 46RE transmission in Dodge RAM 2500 models.
46RE Transmission Parts and Accessories Catalog
Coming SoonCatalog listing compatible parts, upgrades, and accessories for the 46RE transmission, including rebuild kits, torque converters, and coolers.
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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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