Dodge Ram 1500 2002-2008 545RFE Transmission Specifications
This document provides a detailed overview of the 545RFE transmission specifications for the 2002-2008 Dodge RAM 1500. It includes critical technical details such as gear ratios, torque capacity, fluid requirements, and shift patterns. These specifications are essential for understanding the transmission's performance, maintenance needs, and compatibility with various engine configurations. Whether you're a mechanic, enthusiast, or owner, this guide offers valuable insights for diagnosing issues, performing upgrades, or ensuring proper maintenance. The information is sourced from factory service manuals and verified by industry experts, making it a reliable resource for anyone working with or owning a 2002-2008 Dodge RAM 1500.
Overview Specifications
This document provides detailed specifications and technical information about the 545rfe transmission used in the 2002-2008 Dodge RAM-1500. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance capabilities. Use the search and navigation instructions to quickly find relevant information.
How to Use
Use the search bar to enter keywords related to the 545rfe transmission, such as 'gear ratios' or 'fluid capacity'. Results will highlight relevant sections and subsections.
Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections for easy access to detailed information.
Key Specifications
Transmission Type
5-speed automatic
Fluid Capacity
12 quarts
Gear Ratios
3.00:1 to 0.67:1
Compatible Engines
4.7L, 5.7L HEMI
Towing Capacity
Up to 9,100 lbs
Available Specifications
General Specifications
This section covers the basic technical details of the 545rfe transmission, including its design, compatibility, and key features. It is essential for understanding the transmission's capabilities and limitations.
General Specifications
This section covers the basic technical details of the 545rfe transmission, including its design, compatibility, and key features. It is essential for understanding the transmission's capabilities and limitations.
Design and Compatibility
- 5-speed automatic transmission
- Designed for rear-wheel drive (RWD) and four-wheel drive (4WD) configurations
- Compatible with 4.7L and 5.7L HEMI V8 engines
- Includes overdrive for improved fuel efficiency
Key Features
- Electronic shift control for precise gear changes
- Adaptive learning capability for driver-specific performance
- Heavy-duty construction for towing and hauling
- Integrated torque converter for smooth operation
Performance and Gear Ratios
This section provides detailed information about the 545rfe transmission's gear ratios, shift points, and overall performance characteristics. It is useful for optimizing driving and towing performance.
Performance and Gear Ratios
This section provides detailed information about the 545rfe transmission's gear ratios, shift points, and overall performance characteristics. It is useful for optimizing driving and towing performance.
Gear Ratios
- 1st Gear: 3.00:1
- 2nd Gear: 1.67:1
- 3rd Gear: 1.00:1
- 4th Gear: 0.75:1
- 5th Gear: 0.67:1
- Reverse Gear: 3.00:1
Shift Points
- Optimized for both city and highway driving
- Adjustable based on load and throttle input
- Smooth transitions between gears for comfort
- Firm shifts under heavy acceleration
Maintenance and Fluid Requirements
This section outlines the maintenance schedule and fluid requirements for the 545rfe transmission. Proper maintenance is critical for ensuring longevity and reliability.
Maintenance and Fluid Requirements
This section outlines the maintenance schedule and fluid requirements for the 545rfe transmission. Proper maintenance is critical for ensuring longevity and reliability.
Fluid Specifications
- ATF+4 transmission fluid required
- Fluid capacity: 12 quarts (with torque converter)
- Regular fluid checks recommended every 30,000 miles
- Fluid change interval: 60,000 miles or as needed
Maintenance Tips
- Inspect for leaks during routine maintenance
- Replace transmission filter during fluid changes
- Monitor for unusual noises or shifting behavior
- Use OEM or equivalent parts for repairs
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Rear-wheel drive (RWD) / Four-wheel drive (4WD)
- Platform
- Chrysler NS platform
- Material
- Aluminum alloy casing
- Location
- Mounted longitudinally in the vehicle
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.3 inches (566 mm)
- Height
- 18.7 inches (475 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Length
- 10.2 inches (259 mm)
- Output Shaft Length
- 12.6 inches (320 mm)
- Fluid Capacity
- 12 quarts (11.4 liters)
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 scheduling
- Tow/Haul mode
- Manual shift mode
- Cooling
-
- Integrated transmission cooler
- Auxiliary cooler support
- Thermostatically controlled cooling
- Performance
-
- Wide gear ratio spread
- Lock-up torque converter
- Smooth shift transitions
- Durability
-
- Heavy-duty clutch packs
- Reinforced gear sets
- High-capacity fluid pump
- integration
-
- CAN bus communication
- OBD-II diagnostics
- Compatible with engine management systems
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Low fluid pressure shutdown
- Monitoring
-
- Fluid temperature sensor
- Shift position sensor
- Torque converter lockup monitoring
Comfort Features
- Shift Quality
-
- Smooth upshifts and downshifts
- Reduced shift shock
- Adaptive shift logic for varying loads
- Noise Reduction
-
- Precision gear meshing
- Vibration dampening mounts
- Quiet operation in all gears
- Drivability
-
- Optimized for towing and hauling
- Seamless integration with engine torque
- Enhanced low-speed control
Accessories
- Cooling
-
- Transmission cooler kit
- Auxiliary cooler lines
- Thermostatic valve
- Mounting
-
- Transmission crossmember
- Mounting brackets
- Isolation mounts
- Electronics
-
- Transmission control module
- Wiring harness
- Shift position sensor
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Inspect for leaks
- Check shift linkage
- Test electronic controls
- Inspect cooling system
- Maintenance Notes
- Use only Mopar ATF+4 fluid for optimal performance and longevity.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain
- Corrosion
- Miles: 100,000Years: 5Coverage: 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
- Automated assembly
- Precision testing and calibration
- Quality Control
- inspection: 100% component testingCalibration: Dynamic shift testingDurability: High-load endurance testing
- Sustainability
-
- Recyclable materials used in casing
- Energy-efficient manufacturing
- Reduced waste in production
- Production Metrics
- Units Per Year: Approximately 150,000Defect Rate: Less than 0.5%Lead Time: 4-6 weeks
Service Information for 545rfe transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid and filter
- Inspect for leaks and damage
- Check shift linkage and mounts
- Test electronic control functions
- Inspect cooling system and lines
Use only Mopar ATF+4 fluid for optimal performance.
- Perform full fluid flush
- Inspect clutch packs and bands
- Check torque converter operation
- Test transmission pressure
- Inspect and clean cooling system
Special tools required for pressure testing.
- Complete transmission overhaul
- Replace worn clutch packs and seals
- Inspect and replace gears if necessary
- Test and recalibrate electronic controls
- Replace cooling system components
Major service requires specialized equipment and expertise.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 545RFE transmission compatible with other Dodge models?
Is the 545RFE transmission compatible with other Dodge models?
The 545RFE transmission is primarily designed for the 2002-2008 Dodge RAM 1500. While it shares similarities with other transmissions, compatibility with other models, such as the Jeep Grand Cherokee or Dodge Durango, depends on specific configurations. Always verify with a professional or refer to the vehicle's technical specifications before attempting cross-model compatibility.
Q2 What are the maintenance requirements for the 545RFE transmission?
What are the maintenance requirements for the 545RFE transmission?
The 545RFE transmission requires regular maintenance to ensure longevity. This includes fluid changes every 30,000 to 60,000 miles, depending on driving conditions. Inspect the transmission pan for debris and replace the filter during fluid changes. Regularly check for leaks and ensure the transmission cooler is functioning properly to prevent overheating.
Q3 How do I replace the 545RFE transmission in a Dodge RAM 1500?
How do I replace the 545RFE transmission in a Dodge RAM 1500?
Replacing the 545RFE transmission involves several steps: 1) Disconnect the battery and remove the driveshaft. 2) Drain the transmission fluid and disconnect all electrical connectors and linkages. 3) Support the transmission with a jack and remove the crossmember and mounting bolts. 4) Carefully lower the transmission and install the new unit in reverse order. Torque all bolts to manufacturer specifications and refill with the recommended fluid.
Q4 What are common troubleshooting steps for the 545RFE transmission?
What are common troubleshooting steps for the 545RFE transmission?
Common issues with the 545RFE include slipping gears, delayed shifts, or fluid leaks. Start by checking the transmission fluid level and condition. Inspect for error codes using a diagnostic scanner. If no codes are present, examine the valve body, solenoids, and torque converter. Replacing worn components or performing a fluid flush often resolves these issues.
Q5 How can I optimize the performance of my 545RFE transmission?
How can I optimize the performance of my 545RFE transmission?
To optimize performance, use high-quality transmission fluid and ensure proper fluid levels. Consider upgrading the transmission cooler for better heat dissipation. Regularly inspect and replace worn components like solenoids and sensors. For enhanced shifting, a professional tune or aftermarket shift kit can improve responsiveness and durability.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
545RFE Transmission Service Manual
Coming SoonDetailed service manual covering disassembly, repair, and reassembly of the 545RFE transmission. Includes torque specifications, fluid requirements, and troubleshooting tips.
Technical Service Bulletin for 545RFE Transmission
Coming SoonTSB addressing common issues and updates for the 545RFE transmission, including software updates and part replacements.
545RFE Transmission Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts for the 545RFE transmission, including gaskets, filters, and solenoids.
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.
Intellectual Property
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.