Dodge Dakota 2005-2011 45RFE Transmission Specifications
This document provides detailed technical specifications for the 45RFE transmission used in the 2005-2011 Dodge Dakota. 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 improved performance. Whether you're maintaining your vehicle or planning modifications, this guide serves as a reliable reference for understanding the 45RFE transmission's capabilities and requirements.
Overview Specifications
This document provides detailed specifications and technical information about the 45RFE transmission used in the 2005-2011 Dodge Dakota. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance characteristics. Use the search functionality to locate specific details or navigate through sections for a comprehensive understanding of the 45RFE transmission.
How to Use
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Key Specifications
Transmission Type
4-speed automatic
Torque Capacity
300 lb-ft
Fluid Capacity
12 quarts
Gear Ratios
2.84:1 to 0.69:1
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the design and construction of the 45RFE transmission, including its key components and engineering features. Learn about the transmission's architecture, materials, and how it integrates with the Dodge Dakota's drivetrain.
Transmission Design
This section covers the design and construction of the 45RFE transmission, including its key components and engineering features. Learn about the transmission's architecture, materials, and how it integrates with the Dodge Dakota's drivetrain.
Gear Configuration
- 4-speed automatic transmission with overdrive
- Includes a lock-up torque converter
- Electronic shift control for precise gear changes
- Adaptive learning capability for improved performance
Construction Materials
- Aluminum alloy housing for reduced weight
- High-strength steel gears for durability
- Composite materials in select components for efficiency
- Sealed bearings for long-term reliability
Performance Specifications
Explore the performance metrics of the 45RFE transmission, including gear ratios, torque capacity, and shift patterns. This section provides insights into how the transmission enhances the Dodge Dakota's driving experience.
Performance Specifications
Explore the performance metrics of the 45RFE transmission, including gear ratios, torque capacity, and shift patterns. This section provides insights into how the transmission enhances the Dodge Dakota's driving experience.
Gear Ratios
- 1st Gear: 2.84:1
- 2nd Gear: 1.57:1
- 3rd Gear: 1.00:1
- 4th Gear (Overdrive): 0.69:1
- Reverse Gear: 2.21:1
Torque Capacity
- Rated for up to 300 lb-ft of torque
- Designed for both light-duty and heavy-duty applications
- Optimized for towing and hauling capabilities
Maintenance and Service
This section provides guidelines for maintaining and servicing the 45RFE transmission. Learn about fluid requirements, service intervals, and common troubleshooting tips to ensure optimal performance.
Maintenance and Service
This section provides guidelines for maintaining and servicing the 45RFE transmission. Learn about fluid requirements, service intervals, and common troubleshooting tips to ensure optimal performance.
Fluid Specifications
- Requires ATF+4 transmission fluid
- Fluid capacity: 12 quarts (with torque converter)
- Regular fluid checks recommended every 30,000 miles
- Fluid change interval: 60,000 miles under normal conditions
Common Issues
- Delayed shifting or harsh shifts
- Transmission fluid leaks
- Overheating under heavy load
- Diagnostic trouble codes (DTCs) related to solenoid failures
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 4-speed with overdrive
- Platform
- Chrysler NS platform
- Material
- Aluminum alloy casing
- Location
- Longitudinal, rear-wheel drive configuration
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)
- Torque Converter Diameter
- 11.8 inches (300 mm)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Cooling Lines
- Steel with rubber hoses
Features
- Shift Control
-
- Electronic shift control
- Adaptive shift logic
- Manual shift mode
- Tow/Haul mode
- Cooling
-
- Integrated transmission cooler
- Auxiliary cooler support
- Thermostatically controlled cooling
- Performance
-
- Lock-up torque converter
- Wide gear ratio spread
- Smooth shift transitions
- Durability
-
- Heavy-duty clutch packs
- Reinforced input shaft
- High-capacity fluid pump
- Safety
-
- Fail-safe limp mode
- Overheat protection
- Fluid level sensor
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat shutdown
- Monitoring
-
- Fluid temperature sensor
- Shift position sensor
- Protection
-
- Overpressure relief valve
- Torque converter lock-up
Comfort Features
- Shift Quality
-
- Smooth shift transitions
- Adaptive shift logic
- Noise Reduction
-
- Isolated mounting points
- Precision gear meshing
- Drivability
-
- Tow/Haul mode
- Manual shift control
- Climate Control
-
- Integrated transmission cooler
- Thermostatic fluid control
Accessories
- Cooling
-
- Auxiliary transmission cooler
- Cooler lines
- Thermostatic valve
- Mounting
-
- Transmission mount
- Crossmember
- Bolt kit
- Electronics
-
- Shift control module
- Sensors kit
- Wiring harness
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter change
- Pan gasket replacement
- Seal inspection
- Shift linkage adjustment
- Cooler line 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 simulationStandards: ISO 9001 certified
- Sustainability
-
- Recycled aluminum usage
- Low-emission manufacturing
- Waste reduction initiatives
- Production Metrics
- Units Per Year: 150,000Defect Rate: 0.05%Lead Time: 4 weeks
Service Information for 45rfe transmission Service
Maintenance and service requirements specific to this component
- Fluid and filter replacement
- Pan gasket inspection
- Seal and gasket check
- Shift linkage adjustment
- Cooler line inspection
Use only Mopar ATF+4 fluid for optimal performance.
- Transmission flush
- Torque converter inspection
- Clutch pack wear check
- Valve body inspection
- Solenoid testing
Special tools required for solenoid testing.
- Complete transmission overhaul
- Clutch pack replacement
- Seal and gasket replacement
- Torque converter replacement if needed
- Performance testing post-service
Critical to replace all seals and gaskets during major service.
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 2005-2011 Dodge Dakota. While it shares similarities with other Chrysler transmissions, compatibility with other models is limited. Always verify part numbers and consult a professional to ensure proper fitment for non-Dakota applications.
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, including fluid and filter changes every 30,000 to 60,000 miles. Use only Mopar ATF+4 fluid. Inspect for leaks, worn components, and ensure proper fluid levels. Regular maintenance prevents overheating and extends the transmission's lifespan.
Q3 How do I replace the 45RFE transmission in a Dodge Dakota?
How do I replace the 45RFE transmission in a Dodge Dakota?
To replace the 45RFE transmission, disconnect the battery, drain the fluid, and remove the driveshaft and crossmember. Disconnect wiring harnesses, cooler lines, and the torque converter. Support the engine, unbolt the transmission, and carefully lower it. Install the new transmission in reverse order, ensuring proper alignment and torque specifications.
Q4 What are common issues with the 45RFE transmission?
What are common issues with the 45RFE transmission?
Common issues include harsh shifting, slipping gears, and delayed engagement. These can result from low fluid levels, worn clutches, or solenoid failures. Diagnose using a scan tool to check for error codes and inspect the valve body and solenoids. Regular maintenance can prevent many of these problems.
Q5 How can I optimize the performance of the 45RFE transmission?
How can I optimize the performance of the 45RFE transmission?
Optimize performance by using high-quality ATF+4 fluid, ensuring proper fluid levels, and installing an auxiliary cooler for heavy towing. Regularly inspect and replace worn components. Consider a performance tune to improve shift points and overall responsiveness.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2005-2011 Dodge Dakota Service Manual
Coming SoonComprehensive guide covering the 45RFE transmission, including specifications, maintenance, and repair procedures.
45RFE Transmission Technical Service Bulletin
Coming SoonLatest updates and fixes for common 45RFE transmission issues, including software updates and part replacements.
Dodge Dakota Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 45RFE transmission and related components.
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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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