RAM Ram Dakota 1997-2004 42RE Transmission Specifications
This document provides detailed technical specifications for the 42RE transmission used in the 1997-2004 Dodge Dakota. It includes critical data such as gear ratios, torque converter specifications, fluid capacity, and shift points. These specifications are essential for mechanics, enthusiasts, and owners looking to understand, maintain, or repair the 42RE transmission. The document also highlights common issues, compatibility with different engine configurations, and performance upgrade options. Whether you're troubleshooting, performing routine maintenance, or enhancing performance, this comprehensive guide serves as a valuable resource for ensuring the longevity and reliability of your Dodge Dakota's transmission system.
Overview Specifications
This document provides detailed specifications and technical information for the 42RE transmission used in the 1997-2004 Ram Dakota. It is designed to assist technicians, mechanics, and enthusiasts in understanding, maintaining, and repairing the transmission. The document is organized into sections covering key aspects such as design, performance, maintenance, and troubleshooting. Use the search and navigation instructions to quickly locate the information you need.
How to Use
Use the search bar to enter keywords related to your query, such as 'torque converter' or 'fluid capacity'. The search function will highlight relevant sections and subsections for quick access.
Navigate through the document using the table of contents. Each major section is divided into subsections, which can be expanded to view detailed technical points. Use the quick reference section for a summary of key specifications.
Key Specifications
Transmission Type
4-speed automatic
Torque Capacity
300 lb-ft
Fluid Capacity
12 quarts
Overdrive Ratio
0.69:1
Weight
150 lbs
Available Specifications
Design and Construction
This section covers the design features and construction details of the 42RE transmission, including its components, materials, and assembly. It provides insights into the engineering behind the transmission's durability and performance.
Design and Construction
This section covers the design features and construction details of the 42RE transmission, including its components, materials, and assembly. It provides insights into the engineering behind the transmission's durability and performance.
Transmission Components
- Four-speed automatic transmission with overdrive
- Torque converter with lock-up clutch
- Planetary gear sets for smooth shifting
- Hydraulic control system for precise gear changes
- Aluminum alloy casing for reduced weight
- Integrated oil pump for lubrication and cooling
Material Specifications
- High-strength steel gears for durability
- Composite friction materials for clutch plates
- Sealed bearings for reduced maintenance
- Heat-treated shafts for increased load capacity
Performance Specifications
This section outlines the performance characteristics of the 42RE transmission, including torque capacity, shift points, and efficiency. It also includes data on how the transmission interacts with the engine and drivetrain.
Performance Specifications
This section outlines the performance characteristics of the 42RE transmission, including torque capacity, shift points, and efficiency. It also includes data on how the transmission interacts with the engine and drivetrain.
Torque and Power Handling
- Maximum torque capacity: 300 lb-ft
- Designed for engines up to 5.9L V8
- Optimized for towing and hauling applications
- Efficient power transfer with minimal losses
Shift Points and Ratios
- 1st gear ratio: 2.74:1
- 2nd gear ratio: 1.54:1
- 3rd gear ratio: 1.00:1
- Overdrive ratio: 0.69:1
- Shift points calibrated for fuel efficiency
Maintenance and Service
This section provides guidelines for maintaining and servicing the 42RE transmission. It includes information on fluid requirements, inspection intervals, and common maintenance procedures.
Maintenance and Service
This section provides guidelines for maintaining and servicing the 42RE transmission. It includes information on fluid requirements, inspection intervals, and common maintenance procedures.
Fluid Requirements
- Recommended fluid: ATF+4
- Fluid capacity: 12 quarts (including torque converter)
- Fluid change interval: 30,000 miles
- Use of synthetic fluid for extended life
Inspection and Troubleshooting
- Regular inspection of fluid levels and condition
- Check for leaks at seals and gaskets
- Diagnose shift issues using OBD-II scanner
- Common issues: solenoid failures, worn clutches
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 4-speed overdrive
- Platform
- Chrysler A-family
- Material
- Aluminum and steel composite
- Location
- Rear-wheel drive configuration
Dimensions
- Length
- 22.5 inches (571.5 mm)
- Width
- 17.3 inches (439.4 mm)
- Height
- 13.7 inches (348 mm)
- Weight
- 130 lbs (59 kg)
- input Shaft Length
- 7.8 inches (198 mm)
- Output Shaft Length
- 12.4 inches (315 mm)
- Fluid Capacity
- 7.5 quarts (7.1 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- Hardened steel
- Clutches
- Composite friction material
- Seals
- Nitrile rubber
- Pan
- Stamped steel
Features
- Shifting
-
- Electronic shift control
- Adaptive shift logic
- Manual shift mode
- Torque converter lockup
- Cooling
-
- Integrated transmission cooler
- Thermostatic control
- Fluid temperature sensor
- Durability
-
- Heavy-duty clutch packs
- Reinforced planetary gears
- Hardened output shaft
- Performance
-
- Smooth shift transitions
- Optimized gear ratios
- Low internal friction
- Safety
-
- Fail-safe mode
- Overheat protection
- Fluid level sensor
Safety Features
- Fail-Safe
-
- Default to second gear
- Disable overdrive
- Limit engine RPM
- Overheat Protection
-
- Reduce shift frequency
- Increase cooler flow
- Trigger warning light
- Fluid Monitoring
-
- Level sensor
- Temperature sensor
- Pressure sensor
Comfort Features
- Noise Reduction
-
- Precision machining
- Isolated mounting
- Dampened housing
- Shift Quality
-
- Adaptive shift logic
- Smooth torque converter
- Reduced shift shock
- Ergonomics
-
- Easy service access
- Clear fill markings
- Standardized connectors
- Climate Impact
-
- Low fluid evaporation
- Sealed components
- Reduced heat output
Accessories
- Cooling
-
- Auxiliary cooler
- Thermostatic valve
- Cooler lines
- Mounting
-
- Transmission mount
- Crossmember
- Fastener kit
- Electrical
-
- Shift solenoid
- Speed sensor
- Wiring harness
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter change
- Pan inspection
- Seal inspection
- Shift linkage check
- Cooler line inspection
- Notes
- Use only ATF+4 fluid for optimal performance
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Defects in materials and workmanship
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission internal components
- Corrosion
- Miles: 100,000Years: 7Coverage: Rust-through protection
- Emissions
- Miles: 80,000Years: 8Coverage: Emissions-related components
Production Details
- Manufacturer
- Chrysler Corporation
- Manufacturing Process
-
- Casting
- Machining
- Heat treatment
- Assembly
- Testing
- Quality Control
- inspection: 100% component testingTolerance: ±0.001 inchesTesting: Dyno and road simulation
- Sustainability
-
- Recycled materials
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: <0.1%Lead Time: 4 weeks
Service Information for 42re transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid and filter
- Inspect pan for leaks
- Check shift linkage operation
- Inspect cooler lines
- Test shift solenoids
Use only ATF+4 fluid for optimal performance
- Replace all seals and gaskets
- Inspect clutch packs
- Check planetary gear set
- Test torque converter
- Verify shift points
Requires transmission removal for complete inspection
- Complete transmission overhaul
- Replace worn components
- Rebuild torque converter
- Test all sensors
- Verify cooling system performance
Major service may require specialized tools and equipment
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 42re transmission compatible with all 1997-2004 Ram Dakota models?
Is the 42re transmission compatible with all 1997-2004 Ram Dakota models?
The 42re transmission is compatible with most 1997-2004 Ram Dakota models equipped with the 3.9L V6 engine. However, compatibility may vary based on specific configurations, such as 2WD or 4WD. Always verify your vehicle's VIN and consult the manufacturer's specifications to ensure proper fitment. Modifications may be required for non-standard setups.
Q2 What are the maintenance requirements for the 42re transmission?
What are the maintenance requirements for the 42re transmission?
The 42re transmission requires regular maintenance, including fluid and filter changes every 30,000 to 60,000 miles. Inspect for leaks, worn seals, and damaged components during service. Use only manufacturer-recommended ATF+4 fluid. Regularly check the transmission cooler and lines for blockages or damage to ensure optimal performance and longevity.
Q3 How do I install or replace the 42re transmission in a 1997-2004 Ram Dakota?
How do I install or replace the 42re transmission in a 1997-2004 Ram Dakota?
To install or replace the 42re transmission, first disconnect the battery and drain the transmission fluid. Remove the driveshaft, exhaust components, and crossmember. Disconnect the shift linkage, wiring harness, and cooler lines. Support the transmission with a jack, remove the bellhousing bolts, and carefully lower the transmission. Reverse the steps for installation, ensuring proper alignment and torque specifications.
Q4 What should I do if my 42re transmission is slipping or not shifting properly?
What should I do if my 42re transmission is slipping or not shifting properly?
If your 42re transmission is slipping or not shifting, check the fluid level and condition first. Low or contaminated fluid can cause issues. Inspect the throttle valve cable, shift linkage, and electrical connections. Perform a diagnostic scan for error codes. If problems persist, consult a professional for internal component inspection or solenoid testing.
Q5 How can I optimize the performance of my 42re transmission?
How can I optimize the performance of my 42re transmission?
To optimize the 42re transmission, ensure proper fluid levels and use ATF+4 fluid. Install an auxiliary transmission cooler for heavy-duty use. Regularly inspect and maintain the throttle valve cable and shift linkage. Consider upgrading to a high-performance torque converter or valve body for improved shifting and durability under demanding conditions.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1997-2004 Ram Dakota 42re Transmission Service Manual
Coming SoonDetailed service manual covering disassembly, repair, and reassembly of the 42re transmission for 1997-2004 Ram Dakota models.
Technical Service Bulletin for 42re Transmission Updates
Coming SoonOfficial bulletin addressing common issues, updates, and fixes for the 42re transmission in 1997-2004 Ram Dakota trucks.
42re Transmission Parts and Accessories Catalog
Coming SoonComprehensive catalog listing OEM and aftermarket parts, including gaskets, seals, and performance upgrades for the 42re transmission.
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The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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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