Dodge Durango 1998-2003 45RFE Transmission Specifications
This document provides detailed technical specifications for the 45RFE transmission used in the 1998-2003 Dodge Durango. It includes gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for mechanics, enthusiasts, and owners looking to understand the transmission's performance, ensure proper maintenance, or plan upgrades. The data is sourced from factory service manuals and technical bulletins, ensuring accuracy and reliability. Whether you're diagnosing issues, performing repairs, or optimizing performance, this guide offers valuable insights into the 45RFE transmission's design and operation.
Overview Specifications
This document provides detailed specifications and technical information about the 45RFE transmission used in the 1998-2003 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.
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Key Specifications
Transmission Type
45RFE Automatic
Gear Ratios
4 Forward, 1 Reverse
Torque Capacity
330 lb-ft
Fluid Capacity
12 Quarts
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 layout. Learn about the transmission's architecture and how it integrates with the Dodge Durango's drivetrain.
Transmission Design
This section covers the design and construction of the 45RFE transmission, including its key components and layout. Learn about the transmission's architecture and how it integrates with the Dodge Durango's drivetrain.
Gear Configuration
- Four-speed automatic transmission with overdrive
- Includes a lock-up torque converter
- Electronic control module for shift management
- Adaptive shift strategy for improved performance
- Optional fifth gear for enhanced fuel efficiency
- Designed for heavy-duty applications
Construction Materials
- Aluminum alloy casing for reduced weight
- High-strength steel gears for durability
- Composite materials for select internal components
- Sealed bearings for extended lifespan
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 Durango'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 Durango's driving experience.
Gear Ratios
- First gear: 2.84:1
- Second gear: 1.57:1
- Third gear: 1.00:1
- Fourth gear: 0.69:1
- Reverse gear: 2.21:1
Torque Capacity
- Rated for up to 330 lb-ft of torque
- Designed for V8 engine compatibility
- Heavy-duty clutch packs for high load handling
- Optimized for towing and off-road use
Maintenance and Service
This section provides guidelines for maintaining and servicing the 45RFE transmission. Learn about fluid requirements, common issues, and recommended service intervals to ensure optimal performance.
Maintenance and Service
This section provides guidelines for maintaining and servicing the 45RFE transmission. Learn about fluid requirements, common issues, and recommended service intervals to ensure optimal performance.
Fluid Requirements
- Requires ATF+4 transmission fluid
- Fluid capacity: 12 quarts (with torque converter)
- Regular fluid checks every 30,000 miles
- Fluid replacement recommended every 60,000 miles
Common Issues
- Delayed or harsh shifting
- Transmission fluid leaks
- Overheating under heavy loads
- Solenoid or sensor 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 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
- Nitrile rubber
- Sensors
- Thermoplastic housing
Features
- Shift Control
-
- Electronic shift control
- Adaptive shift logic
- Manual shift mode
- Cooling
-
- Integrated transmission cooler
- Auxiliary cooler support
- Thermostatic control
- Performance
-
- Overdrive for fuel efficiency
- Torque converter lockup
- Smooth shift transitions
- Durability
-
- Reinforced gear train
- High-strength input shaft
- Robust clutch assembly
- Compatibility
-
- Supports V6 and V8 engines
- Compatible with 4WD systems
- Adaptable to various vehicle models
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Monitoring
-
- Transmission temperature sensor
- Fluid level sensor
- Mechanical
-
- Shear-resistant input shaft
- Reinforced casing
Comfort Features
- Noise Reduction
-
- Precision gear meshing
- Vibration dampening mounts
- Shift Quality
-
- Smooth gear transitions
- Adaptive shift timing
- Driver Assistance
-
- Electronic shift assist
- Manual mode override
- Climate Control
-
- Integrated cooling system
- Thermostatic fluid regulation
Accessories
- Cooling
-
- Auxiliary transmission cooler
- Cooler lines
- Thermostatic valve
- Mounting
-
- Transmission mount
- Crossmember
- Bracket kit
- Electronics
-
- Shift control module
- Temperature sensor
- Wiring harness
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Shift linkage adjustment
- Sensor calibration
- Cooler line inspection
- Notes
- Use only Mopar ATF+4 transmission 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
- Assembly with robotic precision
- Quality Control
- inspection: 100% component testingTesting: Durability testing, Thermal cycling, Shift performance validation
- Sustainability
-
- Recycled aluminum usage
- Eco-friendly fluid options
- Energy-efficient manufacturing
- Production Metrics
- Annual Output: 250,000 unitsDefect Rate: 0.05%Lead Time: 6 weeks
Service Information for 45rfe transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid and filter
- Inspect pan gasket for leaks
- Check shift linkage for proper adjustment
- Test transmission temperature sensor
- Inspect cooler lines for damage
Use only Mopar ATF+4 fluid for replacement.
- Perform full fluid flush
- Replace pan gasket if necessary
- Inspect and adjust shift solenoids
- Test torque converter lockup
- Check for wear on clutch plates
Special tools required for solenoid adjustment.
- Overhaul transmission if necessary
- Replace worn gears and bearings
- Inspect and replace input/output shafts
- Test and recalibrate electronic controls
- Perform full system performance test
Major service requires professional equipment and expertise.
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 1998-2003 Dodge Durango. While it shares similarities with other Chrysler transmissions, compatibility with other models depends on specific configurations, such as engine type and drivetrain. Always verify with a certified technician or refer to the manufacturer's specifications 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 monthly, and ensure proper cooling system function. Severe driving conditions, such as towing or off-roading, may necessitate more frequent servicing.
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 detach the transmission cooler lines. Unbolt the transmission from the engine and lower it using a transmission jack. Install the new transmission by reversing the process, ensuring proper alignment and torque specifications. Always consult the service manual for detailed instructions.
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 fluid leaks. Start by checking the transmission fluid level and condition. Inspect for error codes using an OBD-II scanner. If issues persist, examine the solenoid pack, valve body, or torque converter. For persistent problems, consult a professional technician for a thorough diagnosis.
Q5 How can I optimize the performance of my 45RFE transmission?
How can I optimize the performance of my 45RFE transmission?
To optimize performance, use high-quality transmission fluid and ensure proper fluid levels. Regularly inspect and replace the transmission filter. Consider upgrading the transmission cooler if towing or driving in hot climates. Avoid aggressive driving and ensure the engine is tuned correctly, as poor engine performance can affect transmission operation.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1998-2003 Dodge Durango 45RFE Service Manual
Coming SoonComprehensive guide covering installation, maintenance, and troubleshooting for the 45RFE transmission.
Technical Service Bulletin for 45RFE Transmission
Coming SoonLatest updates and fixes for common issues related to the 45RFE transmission.
45RFE Transmission Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 45RFE transmission.
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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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