Jeep Liberty 2008-2012 545RFE Transmission Specifications
This document provides detailed specifications for the 545RFE transmission used in the 2008-2012 Jeep Liberty. It includes information on gear ratios, torque capacity, fluid type, and maintenance intervals, essential for vehicle owners, mechanics, and enthusiasts. Understanding these specifications is crucial for proper maintenance, troubleshooting, and performance tuning. Whether you are looking to replace parts, upgrade your transmission, or ensure your Jeep Liberty is running optimally, this guide offers valuable insights. The 545RFE transmission is known for its durability and smooth shifting, making it a key component in the Jeep Liberty's drivetrain. This resource is designed to help you make informed decisions about your vehicle's transmission system.
Overview Specifications
This document provides detailed specifications and technical information about the 545RFE transmission used in Jeep Liberty models from 2008 to 2012. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance capabilities. Use this guide to navigate through various sections and find specific details about the 545RFE transmission, including its design, operation, and key technical specifications.
How to Use
Use the search functionality to quickly locate specific terms or phrases within the document. Enter keywords related to the 545RFE transmission and review the highlighted results for relevant information.
Navigate through the document by scrolling through sections or using the table of contents. Each major section is clearly labeled, and subsections provide detailed technical points for easy reference.
Key Specifications
Transmission Type
5-speed automatic
Maximum Torque
235 lb-ft
Towing Capacity
5,000 lbs
Fluid Capacity
9.5 quarts
Weight
187 lbs
Available Specifications
Design and Construction
This section covers the design and construction features of the 545RFE transmission, including its internal components, materials used, and overall build quality. Learn about the transmission's unique design elements that contribute to its durability and performance.
Design and Construction
This section covers the design and construction features of the 545RFE transmission, including its internal components, materials used, and overall build quality. Learn about the transmission's unique design elements that contribute to its durability and performance.
Internal Components
- Five-speed automatic transmission
- Electronically controlled hydraulic system
- Heavy-duty torque converter
- High-strength gear sets
- Advanced valve body design
- Integrated cooling system
Materials and Build
- Durable aluminum alloy housing
- Precision-machined gears
- High-quality seals and gaskets
- Corrosion-resistant coatings
- Robust clutch assemblies
Performance and Capabilities
Explore the performance characteristics and capabilities of the 545RFE transmission, including its shift patterns, towing capacity, and fuel efficiency. This section provides insights into how the transmission enhances the driving experience in the Jeep Liberty.
Performance and Capabilities
Explore the performance characteristics and capabilities of the 545RFE transmission, including its shift patterns, towing capacity, and fuel efficiency. This section provides insights into how the transmission enhances the driving experience in the Jeep Liberty.
Shift Patterns
- Smooth and precise shifting
- Adaptive shift logic
- Manual mode with +/- control
- Downshift rev-matching
- Optimized for off-road conditions
Towing and Hauling
- Maximum towing capacity: 5,000 lbs
- Heavy-duty cooling system
- Enhanced torque management
- Stable under heavy loads
- Durable clutch packs
Maintenance and Troubleshooting
This section provides essential information on maintaining and troubleshooting the 545RFE transmission. Learn about recommended service intervals, common issues, and tips for ensuring the transmission's longevity and reliability.
Maintenance and Troubleshooting
This section provides essential information on maintaining and troubleshooting the 545RFE transmission. Learn about recommended service intervals, common issues, and tips for ensuring the transmission's longevity and reliability.
Service Intervals
- Fluid change every 60,000 miles
- Filter replacement with fluid change
- Regular inspection of seals and gaskets
- Torque converter maintenance
- Periodic software updates
Common Issues
- Delayed or harsh shifting
- Transmission fluid leaks
- Overheating during heavy use
- Check engine light related to transmission codes
- Worn clutch components
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 5-speed
- Platform
- Jeep Liberty
- Material
- Aluminum casing
- Location
- Front-wheel drive, optional four-wheel drive
Dimensions
- Length
- 22.5 inches (571.5 mm)
- Width
- 18.3 inches (464.8 mm)
- Height
- 14.2 inches (360.7 mm)
- Weight
- 165 lbs (74.8 kg)
- input Shaft Length
- 7.1 inches (180.3 mm)
- Output Shaft Length
- 8.7 inches (221 mm)
- Fluid Capacity
- 7.0 quarts (6.6 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite materials
- Seals
- Nitrile rubber
Features
- Performance
-
- Adaptive shift control
- Torque converter lock-up
- Electronic governor pressure control
- Drivability
-
- Smooth shift transitions
- Low-speed torque optimization
- Hill descent control integration
- Durability
-
- High-strength gears
- Heat-treated components
- Corrosion-resistant housing
- Efficiency
-
- Optimized gear ratios
- Reduced internal friction
- Improved fuel economy
- Technology
-
- CAN bus communication
- Self-diagnostic capabilities
- Fail-safe limp mode
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Control
-
- Electronic shift lock
- Parking pawl interlock
- Monitoring
-
- Transmission temperature sensor
- Fluid level sensor
Comfort Features
- Noise Reduction
-
- Sound-dampened housing
- Precision gear meshing
- Shift Quality
-
- Smooth upshifts
- Seamless downshifts
- Low vibration
- Temperature Control
-
- Integrated cooling system
- Thermal management
Accessories
- Fluids
-
- ATF+4 transmission fluid
- Seal conditioner
- Friction modifier
- Tools
-
- Transmission jack adapter
- Fluid pump
- Torque wrench
- Parts
-
- Transmission filter kit
- Gasket set
- Shift solenoid pack
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter change
- Shift linkage adjustment
- Seal inspection
- Solenoid testing
- Cooling system check
- Maintenance Notes
- Use only ATF+4 fluid. Avoid overfilling.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: 100,000Years: 5Coverage: Housing and seals
- Emissions
- Miles: 80,000Years: 8Coverage: Emission-related components
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting
- Machining
- Heat treatment
- Assembly
- Quality Control
- Testing: Durability testing, Performance validation, Leak testingStandards: ISO 9001
- Sustainability
-
- Recycled aluminum
- Low-emission manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Year: 150,000Defect Rate: 0.05%Lead Time: 2 weeks
Service Information for 545rfe transmission Service
Maintenance and service requirements specific to this component
- Change transmission fluid
- Replace transmission filter
- Inspect seals and gaskets
- Check shift linkage
- Test shift solenoids
Use only ATF+4 fluid to avoid damage.
- Inspect torque converter
- Check transmission mounts
- Test electronic controls
- Flush cooling system
- Verify fluid level sensor
Ensure cooling system is free of debris.
- Rebuild valve body
- Replace clutch packs
- Inspect gear wear
- Test fail-safe modes
- Perform full diagnostic scan
Major service may require specialized tools.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 545RFE transmission compatible with other Jeep models?
Is the 545RFE transmission compatible with other Jeep models?
The 545RFE transmission is specifically designed for the 2008-2012 Jeep Liberty. While it shares some similarities with other transmissions used in Jeep vehicles, it is not directly compatible with models like the Grand Cherokee or Wrangler without significant modifications. Always verify compatibility with your vehicle's specifications before installation.
Q2 What maintenance does the 545RFE transmission require?
What maintenance does the 545RFE transmission require?
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 and ensure the transmission fluid is at the correct level. Periodic checks of the transmission control module and sensors are also recommended to prevent potential issues.
Q3 How do I replace the 545RFE transmission in my Jeep Liberty?
How do I replace the 545RFE transmission in my Jeep Liberty?
Replacing the 545RFE transmission involves several steps: Disconnect the battery, remove the driveshaft, exhaust system, and crossmember. Detach the transmission cooler lines, electrical connectors, and shift linkage. Support the transmission with a jack, remove the bellhousing bolts, and carefully lower the transmission. Installation is the reverse process, ensuring all components are properly torqued and aligned.
Q4 What are common issues with the 545RFE transmission?
What are common issues with the 545RFE transmission?
Common issues include delayed shifting, harsh engagement, and transmission fluid leaks. These can be caused by low fluid levels, worn solenoids, or a failing valve body. Diagnose by checking fluid condition and levels, scanning for fault codes, and inspecting for leaks. Replacing faulty components and ensuring proper maintenance can resolve most problems.
Q5 How can I optimize the performance of my 545RFE transmission?
How can I optimize the performance of my 545RFE transmission?
Optimize performance by using the recommended transmission fluid and ensuring it is at the correct level. Regularly replace the filter and fluid to prevent contamination. Consider upgrading the valve body or torque converter for improved shifting and durability. Avoid excessive towing or aggressive driving to reduce wear and tear.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2008-2012 Jeep Liberty Service Manual
Coming SoonComprehensive guide covering all aspects of vehicle maintenance, repair, and specifications for the Jeep Liberty, including the 545RFE transmission.
Technical Service Bulletin for 545RFE Transmission
Coming SoonLatest updates and fixes for known issues with the 545RFE transmission, including software updates and component replacements.
Jeep Liberty Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts and accessories for the Jeep Liberty, including transmission components.
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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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