Chrysler Aspen 2007-2009 545RFE Transmission Specifications
This document provides detailed specifications for the 545RFE transmission used in the 2007-2009 Chrysler Aspen. It includes gear ratios, torque capacity, fluid type, and maintenance intervals, offering essential information for owners, technicians, and enthusiasts. The 545RFE is a robust 5-speed automatic transmission designed for durability and performance in SUVs and trucks. These specifications are invaluable for diagnosing issues, performing repairs, or upgrading the transmission. Whether you're maintaining your vehicle or enhancing its performance, this guide ensures you have accurate and reliable data to make informed decisions.
Overview Specifications
This document provides detailed specifications and technical information about the 545rfe transmission used in the 2007-2009 Chrysler Aspen. It is designed to assist technicians, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance characteristics. Use the search and navigation instructions to quickly locate specific details or browse through the sections for a comprehensive understanding of the 545rfe transmission.
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Key Specifications
Transmission Type
5-speed automatic
Maximum Torque
375 lb-ft
Fluid Capacity
12 quarts
Gear Ratios
3.00:1 to 0.67:1
Weight
Approx. 200 lbs
Available Specifications
Transmission Design and Features
This section covers the design principles and key features of the 545rfe transmission, including its construction, gear configuration, and advanced technologies that enhance performance and durability.
Transmission Design and Features
This section covers the design principles and key features of the 545rfe transmission, including its construction, gear configuration, and advanced technologies that enhance performance and durability.
Gear Configuration
- 5-speed automatic transmission
- Includes overdrive for improved fuel efficiency
- Wide gear ratio spread for optimal performance
- Electronic shift control for precise gear changes
- Adaptive learning capability for driver behavior
- Torque converter with lock-up clutch
Construction and Materials
- Aluminum alloy casing for reduced weight
- High-strength internal components for durability
- Sealed bearings for reduced maintenance
- Integrated cooling system for temperature control
Performance Specifications
This section provides detailed performance metrics for the 545rfe transmission, including gear ratios, torque capacity, and shift response times.
Performance Specifications
This section provides detailed performance metrics for the 545rfe transmission, including gear ratios, torque capacity, and shift response times.
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
Torque Capacity
- Maximum torque capacity: 375 lb-ft
- Designed for V8 engine applications
- Optimized for towing and heavy-duty use
Maintenance and Service
This section outlines the maintenance requirements and service intervals for the 545rfe transmission, including fluid specifications and common troubleshooting tips.
Maintenance and Service
This section outlines the maintenance requirements and service intervals for the 545rfe transmission, including fluid specifications and common troubleshooting tips.
Fluid Specifications
- Recommended fluid: ATF+4
- Fluid capacity: 12 quarts (with torque converter)
- Fluid change interval: Every 60,000 miles
- Use of synthetic fluid for extended life
Common Issues and Solutions
- Delayed shifting: Check fluid level and condition
- Slipping gears: Inspect clutch packs and solenoids
- Overheating: Verify cooling system functionality
- Check for error codes using diagnostic tools
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Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Rear-wheel drive (RWD) / Four-wheel drive (4WD)
- Platform
- Chrysler ASPEN (2007-2009)
- Material
- Aluminum casing with steel internals
- Location
- Mounted longitudinally in the vehicle
Dimensions
- Length
- 29.5 inches (749 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.3 inches (465 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.25 inches (31.75 mm)
- Output Shaft Diameter
- 1.5 inches (38.1 mm)
- Fluid Capacity
- 7.5 quarts (7.1 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Cooler 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 option
- Thermostatically controlled flow
- Durability
-
- Heavy-duty clutch packs
- Reinforced gear sets
- High-capacity torque converter
- Performance
-
- Wide gear ratio spread
- Smooth shift transitions
- Optimized for towing
- Sensors
-
- Input speed sensor
- Output speed sensor
- Transmission fluid temperature sensor
- Line pressure sensor
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Diagnostics
-
- On-board diagnostics (OBD-II)
- Fault code storage
- Mechanical
-
- Shear-resistant input shaft
- Reinforced bell housing
Comfort Features
- Noise Reduction
-
- Precision gear machining
- Dampened clutch engagement
- Shift Quality
-
- Smooth upshifts
- Minimized downshift shock
- Drivability
-
- Adaptive shift logic
- Optimized for city and highway driving
Accessories
- Cooling
-
- Auxiliary transmission cooler
- Cooler line kit
- Thermostatic bypass valve
- Performance
-
- Shift improvement kit
- High-capacity torque converter
- Upgraded clutch packs
- Maintenance
-
- Transmission fluid exchange kit
- Filter and gasket kit
- Dipstick and tube assembly
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Shift linkage adjustment
- Cooler line inspection
- Sensor calibration check
- Maintenance 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 components
- Corrosion
- Miles: 100,000Years: 5Coverage: Perforation from corrosion
- Emissions
- Miles: 80,000Years: 8Coverage: Emissions-related components
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting of aluminum casing
- CNC machining of gears
- Heat treatment of steel components
- Automated assembly
- Quality Control
- inspection: 100% component testingTesting: Durability testing, Shift quality analysis, Leak testing
- Sustainability
-
- Recycled aluminum usage
- Eco-friendly fluid options
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Lead Time: 2 weeks
Service Information for 545rfe 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
- Inspect cooler lines for damage
- Verify sensor calibration
Use only Mopar ATF+4 fluid for replacement.
- Perform full fluid flush
- Replace pan gasket if necessary
- Inspect clutch packs for wear
- Check torque converter operation
- Test transmission control module
Special tools required for clutch pack inspection.
- Overhaul transmission if necessary
- Replace worn gears and bearings
- Inspect and replace seals as needed
- Test line pressure and shift timing
- Perform full diagnostic scan
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 Chrysler models?
Is the 545RFE transmission compatible with other Chrysler models?
The 545RFE transmission is specifically designed for the 2007-2009 Chrysler Aspen and certain Dodge Durango models. It is not compatible with other Chrysler models due to differences in mounting points, electronic controls, and drivetrain configurations. Always verify compatibility using your vehicle's VIN or consult a certified technician before attempting any cross-model installations.
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 optimal performance. This includes fluid and filter changes every 30,000 to 60,000 miles, depending on driving conditions. Inspect for leaks, worn seals, and damaged components during service. Use only Mopar ATF+4 transmission fluid to maintain proper lubrication and cooling. Regular diagnostics using a compatible scan tool are also recommended.
Q3 How do I replace the 545RFE transmission in a 2007-2009 Chrysler Aspen?
How do I replace the 545RFE transmission in a 2007-2009 Chrysler Aspen?
Replacing the 545RFE transmission involves several steps: 1) Disconnect the battery and remove the transmission cooler lines. 2) Support the engine and remove the crossmember and driveshaft. 3) Unbolt the transmission and carefully lower it using a transmission jack. 4) Install the new transmission, ensuring proper alignment with the engine. 5) Reconnect all components and refill with ATF+4 fluid. Always follow the service manual for detailed instructions.
Q4 What are common troubleshooting steps for the 545RFE transmission?
What are common troubleshooting steps for the 545RFE transmission?
Common issues with the 545RFE transmission include harsh shifting, slipping gears, and fluid leaks. Start by checking the transmission fluid level and condition. Use a scan tool to read diagnostic trouble codes (DTCs). Inspect the solenoid pack, valve body, and torque converter for faults. If problems persist, consult a certified technician for further diagnostics and repair.
Q5 How can I optimize the performance of the 545RFE transmission?
How can I optimize the performance of the 545RFE transmission?
To optimize the 545RFE transmission, ensure regular maintenance and use only Mopar ATF+4 fluid. Upgrade to a high-performance torque converter for better towing capacity. Install an auxiliary transmission cooler to reduce heat buildup. Regularly update the transmission control module (TCM) software for improved shifting patterns. Avoid aggressive driving to prolong the transmission's lifespan.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2007-2009 Chrysler Aspen Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 545RFE transmission and other vehicle systems.
Technical Service Bulletin (TSB) 18-041-09
Coming SoonAddresses common shifting issues and provides updated calibration procedures for the 545RFE transmission.
545RFE Transmission Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 545RFE transmission, including seals, gaskets, and solenoid packs.
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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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