RAM Ram 1500 2009-2018 45RFE Transmission Specifications
This document provides detailed technical specifications for the 45RFE transmission used in the 2009-2018 RAM 1500 models. It includes essential data such as gear ratios, torque capacity, fluid type, and service intervals, offering valuable insights for maintenance, repair, and performance upgrades. Designed for automotive technicians, DIY enthusiasts, and vehicle owners, this resource ensures accurate information for diagnosing issues, replacing parts, or optimizing transmission performance. Understanding these specifications is crucial for ensuring the longevity and efficiency of the 45RFE transmission in your RAM 1500.
Overview Specifications
This document provides detailed specifications and technical information about the 45RFE transmission used in the 2009-2018 Ram 1500. It is designed to assist users in understanding the transmission's features, performance, and maintenance requirements. The content is organized into major sections, each focusing on specific aspects of the 45RFE transmission. Use the search and navigation instructions to quickly find relevant information.
How to Use
Use the search function to locate specific terms or phrases within the document. Enter your query in the search bar and review the highlighted results to find the information you need.
Navigate through the document using the table of contents or by scrolling through the sections. Each major section is clearly labeled, and subsections are listed under their respective headings for easy access.
Key Specifications
Transmission Type
4-speed automatic with overdrive
Maximum Torque
380 lb-ft
Towing Capacity
Up to 9,100 lbs
Fluid Type
ATF+4
Service Interval
Every 60,000 miles
Available Specifications
Technical Specifications
This section outlines the key technical specifications of the 45RFE transmission, including its design, capacity, and performance metrics. It provides a comprehensive overview of the transmission's capabilities and limitations.
Technical Specifications
This section outlines the key technical specifications of the 45RFE transmission, including its design, capacity, and performance metrics. It provides a comprehensive overview of the transmission's capabilities and limitations.
Design and Construction
- Four-speed automatic transmission with overdrive
- Electronically controlled with adaptive learning
- Aluminum alloy case for reduced weight
- Torque converter with lockup clutch
Performance Metrics
- Maximum torque capacity: 380 lb-ft
- Gear ratios: 3.00 (1st), 1.67 (2nd), 1.00 (3rd), 0.67 (4th)
- Shift points optimized for both fuel efficiency and performance
- Towing capacity: Up to 9,100 lbs with proper configuration
Maintenance and Service
This section covers the maintenance requirements and service intervals for the 45RFE transmission. It includes information on fluid changes, filter replacements, and common troubleshooting tips.
Maintenance and Service
This section covers the maintenance requirements and service intervals for the 45RFE transmission. It includes information on fluid changes, filter replacements, and common troubleshooting tips.
Routine Maintenance
- Transmission fluid change every 60,000 miles
- Filter replacement with fluid change
- Inspect for leaks and wear during service intervals
- Use only recommended ATF+4 transmission fluid
Common Issues and Troubleshooting
- Delayed or harsh shifting may indicate low fluid levels
- Transmission overheating can be caused by towing beyond capacity
- Check for error codes using an OBD-II scanner
- Regularly inspect the transmission mount for wear
Upgrades and Modifications
This section explores potential upgrades and modifications for the 45RFE transmission to enhance its performance and durability. It includes aftermarket parts and tuning options.
Upgrades and Modifications
This section explores potential upgrades and modifications for the 45RFE transmission to enhance its performance and durability. It includes aftermarket parts and tuning options.
Performance Upgrades
- Install a high-performance torque converter
- Upgrade to a heavy-duty transmission cooler
- Use synthetic ATF+4 fluid for improved lubrication
- Consider a transmission control module (TCM) tune for optimized shifting
Durability Enhancements
- Install a deep transmission pan for increased fluid capacity
- Upgrade to a billet aluminum servo for better shift response
- Use reinforced transmission mounts for added stability
- Consider a transmission rebuild kit for high-mileage units
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 4-speed with overdrive
- Platform
- Chrysler 45RFE series
- Material
- Aluminum housing
- Location
- Longitudinal, rear-wheel drive or four-wheel drive
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.3 inches (465 mm)
- Weight
- 192 lbs (87 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
- Housing
- Aluminum alloy
- Gears
- Hardened steel
- Clutches
- Composite friction material
- Seals
- Viton rubber
- Cooler Lines
- Steel with rubber coating
Features
- Shift Control
-
- Electronic shift control
- Adaptive shift scheduling
- Manual shift mode
- Tow/Haul mode
- Performance
-
- Overdrive for fuel efficiency
- Lock-up torque converter
- High-capacity cooling system
- Heavy-duty output shaft
- Durability
-
- Reinforced case structure
- High-strength gear sets
- Enhanced clutch pack
- Sealed bearings
- integration
-
- Compatible with Chrysler engine control modules
- Integrated speed sensors
- Direct bolt-on for Ram 1500 drivetrain
- Factory-calibrated shift points
- Safety
-
- Fail-safe limp mode
- Over-temperature protection
- Fluid level sensor
- Shift interlock system
Safety Features
- Protection Systems
-
- Overheat protection
- Low fluid level warning
- Emergency Features
-
- Fail-safe limp mode
- Manual shift override
- Driver Assistance
-
- Tow/Haul mode for stability
- Adaptive shift for traction control
Comfort Features
- Driving Modes
-
- Smooth shift for city driving
- Sport mode for responsiveness
- Tow/Haul mode for heavy loads
- Noise Reduction
-
- Isolated mounting points
- Precision gear machining
- Sound-dampening housing
- Climate Control
-
- Integrated transmission cooler
- Thermostatically controlled fluid flow
- User interface
-
- Electronic range selector
- Shift indicator in instrument cluster
- Mode selection button
Accessories
- Cooling System
-
- Transmission cooler lines
- Auxiliary cooler
- Thermostatic valve
- Mounting Components
-
- Crossmember
- Mounting brackets
- Bolt kit
- Electronics
-
- Shift control module
- Speed sensors
- Wiring harness
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Seal and gasket check
- Cooler line inspection
- Shift linkage adjustment
- Maintenance Notes
- Use only Mopar ATF+4 fluid for optimal performance.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain
- Corrosion Warranty
- Miles: 100,000Years: 5Coverage: Rust-through protection
- Roadside Assistance
- Miles: 36,000Years: 3Coverage: Towing and emergency services
- Warranty Terms
- Warranty void if improper fluids or unauthorized modifications are used.
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- CNC machining
- Heat treatment
- Precision assembly
- Quality testing
- Quality Control
- inspection Stages: Component level, Sub-assembly, Final assemblyTesting: Durability testing, Shift performance, Leak testing
- Sustainability Practices
-
- Recyclable materials
- Energy-efficient production
- Waste reduction initiatives
- Production Metrics
- Units Per Year: 500,000Production Time: 12 hours per unitDefect Rate: Less than 0.1%
Service Information for 45rfe transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Inspect filter and pan gasket
- Check cooler lines for leaks
- Adjust shift linkage
- Inspect seals and gaskets
Use only Mopar ATF+4 fluid for optimal performance.
- Replace transmission filter
- Flush cooler lines
- Check torque converter operation
- Inspect electronic shift control module
- Verify shift points
Special diagnostic tools may be required for electronic checks.
- Replace clutch packs
- Rebuild valve body
- Inspect and replace worn gears
- Test transmission cooling system
- Perform full system diagnostic
Major service may require removal and disassembly of the transmission.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 45RFE transmission compatible with other Ram 1500 models?
Is the 45RFE transmission compatible with other Ram 1500 models?
The 45RFE transmission is specifically designed for the 2009-2018 Ram 1500 models. It is not compatible with other Ram models or generations due to differences in engine configurations, mounting points, and electronic control systems. Always verify compatibility with your vehicle’s VIN and consult a professional before attempting any modifications or replacements.
Q2 What maintenance is required for the 45RFE transmission?
What maintenance is required for the 45RFE transmission?
Regular maintenance for the 45RFE transmission includes fluid and filter changes every 30,000 to 60,000 miles, depending on driving conditions. Inspect for leaks, ensure proper fluid levels, and monitor for unusual noises or shifting issues. Use only manufacturer-recommended transmission fluid (ATF+4) to maintain optimal performance and longevity.
Q3 How do I install or replace the 45RFE transmission?
How do I install or replace the 45RFE transmission?
To install or replace the 45RFE transmission, first disconnect the battery and remove the driveshaft, exhaust components, and transmission crossmember. Disconnect electrical connectors and fluid lines, then support the transmission with a jack. After removal, align the new transmission, reconnect all components, and refill with ATF+4 fluid. Always follow the service manual for detailed instructions.
Q4 What should I do if my 45RFE transmission is not shifting properly?
What should I do if my 45RFE transmission is not shifting properly?
If your 45RFE transmission is not shifting properly, check the fluid level and condition first. Low or contaminated fluid can cause shifting issues. Inspect for error codes using a diagnostic scanner and examine the transmission control module (TCM). If problems persist, consult a professional for a thorough diagnosis and repair.
Q5 How can I optimize the performance of my 45RFE transmission?
How can I optimize the performance of my 45RFE transmission?
Optimize your 45RFE transmission’s performance by using high-quality ATF+4 fluid, ensuring proper fluid levels, and avoiding excessive towing or heavy loads. Regularly inspect and maintain the transmission system, including the cooler and lines. Consider upgrading the valve body or tuning the TCM for enhanced shifting and 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.
2009-2018 Ram 1500 45RFE Service Manual
Coming SoonDetailed service manual covering installation, maintenance, and repair procedures for the 45RFE transmission.
45RFE Transmission Technical Service Bulletin
Coming SoonTechnical bulletin addressing common issues, updates, and fixes for the 45RFE transmission.
45RFE Transmission Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts for the 45RFE transmission.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
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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