Dodge Durango 2004-2009 45RFE Transmission Specifications
This document provides detailed technical specifications for the 45RFE transmission used in the 2004-2009 Dodge Durango. It includes gear ratios, torque capacity, fluid type, and maintenance intervals, offering valuable insights for owners, mechanics, and enthusiasts. The specifications are essential for diagnosing issues, performing repairs, or upgrading the transmission for enhanced performance. Whether you're maintaining your vehicle or planning modifications, this guide ensures you have accurate and reliable information to make informed decisions.
Overview Specifications
This document provides detailed specifications and technical information about the 45RFE transmission used in the 2004-2009 Dodge Durango. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance characteristics. Use the search and navigation instructions to quickly find relevant information or explore the sections for in-depth details.
How to Use
Use the search bar to enter keywords related to the 45RFE transmission, such as 'gear ratios' or 'fluid capacity'. Results will highlight relevant sections and subsections for quick access.
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Key Specifications
Gear Ratios
2.84:1 to 0.69:1
Torque Capacity
335 lb-ft
Fluid Capacity
12 quarts
Towing Capacity
8,950 lbs
Fluid Type
ATF+4
Available Specifications
Technical Specifications
This section covers the core technical details of the 45RFE transmission, including gear ratios, torque capacity, and fluid requirements. It is essential for understanding the transmission's design and performance capabilities.
Technical Specifications
This section covers the core technical details of the 45RFE transmission, including gear ratios, torque capacity, and fluid requirements. It is essential for understanding the transmission's design and performance capabilities.
Gear Ratios
- 1st Gear: 2.84:1
- 2nd Gear: 1.57:1
- 3rd Gear: 1.00:1
- 4th Gear: 0.69:1
- Reverse Gear: 2.21:1
Torque Capacity
- Maximum Torque: 335 lb-ft
- Designed for V8 engines
- Suitable for towing up to 8,950 lbs
Fluid Requirements
- Fluid Type: ATF+4
- Capacity: 12 quarts (with torque converter)
- Fluid Change Interval: 60,000 miles
Performance Features
Explore the advanced features of the 45RFE transmission, including its adaptive shift strategy, electronic controls, and durability enhancements. These features contribute to its smooth operation and reliability.
Performance Features
Explore the advanced features of the 45RFE transmission, including its adaptive shift strategy, electronic controls, and durability enhancements. These features contribute to its smooth operation and reliability.
Adaptive Shift Strategy
- Automatically adjusts shift points based on driving conditions
- Enhances fuel efficiency and performance
- Reduces wear on transmission components
Electronic Controls
- Integrated with the vehicle's PCM (Powertrain Control Module)
- Supports manual shift mode
- Provides diagnostic trouble codes for easy troubleshooting
Durability Enhancements
- Heavy-duty clutch plates
- Reinforced gear sets
- High-strength aluminum case
Maintenance Tips
Learn about the recommended maintenance practices for the 45RFE transmission to ensure longevity and optimal performance. This section includes fluid change intervals, inspection guidelines, and common issues to watch for.
Maintenance Tips
Learn about the recommended maintenance practices for the 45RFE transmission to ensure longevity and optimal performance. This section includes fluid change intervals, inspection guidelines, and common issues to watch for.
Fluid Maintenance
- Check fluid level every 15,000 miles
- Use only ATF+4 fluid for top-ups
- Replace fluid and filter every 60,000 miles
Inspection Guidelines
- Inspect for leaks around the transmission pan
- Check for unusual noises during shifts
- Monitor for delayed or harsh shifting
Common Issues
- Solenoid failures causing shift problems
- Worn clutch packs leading to slipping
- Overheating due to heavy towing
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 4-speed with overdrive
- Platform
- Chrysler NS platform
- Material
- Aluminum casing
- Location
- Longitudinal, rear-wheel drive or four-wheel drive
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.3 inches (465 mm)
- Weight
- 165 lbs (75 kg)
- input Shaft Diameter
- 1.25 inches (31.75 mm)
- Output Shaft Diameter
- 1.5 inches (38.1 mm)
- Fluid Capacity
- 12 quarts (11.4 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Plates
- Composite friction material
- Seals
- Viton rubber
Features
- Shifting
-
- Electronic shift control
- Adaptive shift programming
- Tow/Haul mode
- Manual shift capability
- Cooling
-
- Integrated transmission cooler
- Auxiliary cooler option
- Thermostatic control
- Durability
-
- Heavy-duty clutch packs
- Reinforced planetary gear sets
- High-capacity torque converter
- Performance
-
- Smooth shift transitions
- Optimized gear ratios
- Lockup torque converter
- Safety
-
- Fail-safe limp mode
- Overheat protection
- Fluid level sensor
Safety Features
- Electronic Controls
-
- Shift interlock system
- Neutral safety switch
- Mechanical Protection
-
- Overload protection
- Shear pin fail-safe
- Thermal Management
-
- Overheat warning system
- Cooling system redundancy
Comfort Features
- Noise Reduction
-
- Precision gear meshing
- Vibration dampening mounts
- Shift Quality
-
- Smooth engagement
- Adaptive shift logic
- Drivability
-
- Seamless gear transitions
- Optimized shift points
- User interface
-
- Gear position indicator
- Shift lever ergonomics
Accessories
- Cooling
-
- Transmission cooler kit
- Thermostatic valve
- Cooler lines
- Mounting
-
- Transmission mount
- Crossmember
- Bushings
- Electrical
-
- Shift solenoid kit
- Speed sensor
- Wiring harness
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter change
- Pan gasket replacement
- Seal inspection
- Shift solenoid check
- Torque converter inspection
- Maintenance Notes
- Use only Mopar ATF+4 fluid for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain
- Corrosion
- Miles: 100,000Years: 7Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting of aluminum casing
- CNC machining of gears
- Heat treatment of components
- Precision assembly
- Quality Control
- inspection: 100% component testingTesting: Dyno and road simulationCertification: ISO 9001 compliant
- Sustainability Practices
-
- Recycled aluminum usage
- Waste reduction initiatives
- Energy-efficient manufacturing
- Production Metrics
- Units Per Year: Approximately 150,000Defect Rate: Less than 0.1%Lead Time: 4 weeks
Service Information for 45rfe transmission Service
Maintenance and service requirements specific to this component
- Inspect fluid level and condition
- Replace transmission filter
- Check for leaks
- Inspect shift solenoids
- Test transmission control module
Use only Mopar ATF+4 fluid for optimal performance.
- Flush and replace transmission fluid
- Inspect torque converter
- Check clutch pack wear
- Test shift quality
- Inspect cooling system
Consider replacing seals and gaskets if wear is detected.
- Complete transmission overhaul
- Replace worn clutch packs
- Inspect and replace planetary gears if necessary
- Test and recalibrate shift points
- Inspect and replace torque converter if needed
Major service may require specialized tools and equipment.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 45RFE transmission compatible with other Dodge models?
Is the 45RFE transmission compatible with other Dodge models?
The 45RFE transmission is primarily designed for the 2004-2009 Dodge Durango. While it shares similarities with other Chrysler transmissions, compatibility with other models like the Jeep Grand Cherokee or Dodge Ram depends on specific configurations, such as engine type and drivetrain. Always verify with a professional or consult the vehicle's service manual before attempting cross-model compatibility.
Q2 What are the maintenance requirements for the 45RFE transmission?
What are the maintenance requirements for the 45RFE transmission?
The 45RFE transmission requires regular maintenance to ensure longevity. This includes fluid and filter changes every 30,000 to 60,000 miles, depending on driving conditions. Inspect for leaks, check fluid levels, and ensure proper operation of the torque converter. Severe driving conditions, such as towing or off-roading, may necessitate more frequent maintenance.
Q3 How do I replace the 45RFE transmission in a Dodge Durango?
How do I replace the 45RFE transmission in a Dodge Durango?
Replacing the 45RFE transmission involves several steps: disconnect the battery, remove the driveshaft, drain the transmission fluid, and disconnect electrical connectors and linkages. Support the transmission with a jack, remove crossmembers and mounts, and carefully lower the transmission. Installation is the reverse process, ensuring proper alignment and torque specifications for all bolts and connections.
Q4 What are common troubleshooting steps for the 45RFE transmission?
What are common troubleshooting steps for the 45RFE transmission?
Common issues with the 45RFE include slipping gears, delayed shifts, or transmission fluid leaks. Start by checking fluid levels and condition. Inspect for error codes using an OBD-II scanner. Test the solenoids, valve body, and torque converter for proper operation. If problems persist, consult a professional for a detailed diagnosis.
Q5 How can I optimize the performance of the 45RFE transmission?
How can I optimize the performance of the 45RFE transmission?
To optimize performance, use high-quality transmission fluid and ensure regular maintenance. Consider upgrading the valve body or torque converter for improved shifting and towing capacity. Avoid excessive heat by installing an auxiliary cooler. Regularly monitor fluid levels and address any issues promptly to prevent long-term damage.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2004-2009 Dodge Durango 45RFE Service Manual
Coming SoonThis manual provides detailed instructions for servicing and repairing the 45RFE transmission, including diagrams, torque specifications, and troubleshooting guides.
45RFE Transmission Technical Service Bulletin
Coming SoonThis bulletin addresses common issues and updates for the 45RFE transmission, including software updates and recommended repair procedures.
45RFE Transmission Parts Catalog
Coming SoonThis catalog lists all compatible parts and accessories for the 45RFE transmission, including gaskets, filters, and rebuild kits.
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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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