Jeep Liberty 2002-2007 545RFE Transmission Specifications
This document provides detailed specifications for the 545RFE transmission used in the 2002-2007 Jeep Liberty. It includes technical details such as gear ratios, torque capacity, fluid type, and maintenance intervals. These specifications are essential for mechanics, enthusiasts, and owners to understand the transmission's performance, ensure proper maintenance, and identify compatibility for repairs or upgrades. The information is sourced from official service manuals and technical guides, making it a reliable resource for troubleshooting, servicing, or upgrading the 545RFE transmission in the Jeep Liberty.
Overview Specifications
This document provides detailed specifications and technical information about the 545rfe transmission used in the 2002-2007 Jeep Liberty. It is designed to assist mechanics, enthusiasts, and vehicle owners in understanding the transmission's features, maintenance requirements, and performance characteristics. Use this guide to navigate through sections, find specific details, and quickly reference key specifications.
How to Use
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Key Specifications
Transmission Type
5-speed automatic
Max Torque
375 lb-ft
Fluid Capacity
7.5 quarts
Gear Ratios
3.00:1 to 0.67:1
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the fundamental design aspects of the 545rfe transmission, including its architecture, components, and manufacturing details. Learn about the transmission's construction and how it integrates with the Jeep Liberty's drivetrain.
Transmission Design
This section covers the fundamental design aspects of the 545rfe transmission, including its architecture, components, and manufacturing details. Learn about the transmission's construction and how it integrates with the Jeep Liberty's drivetrain.
Architecture
- Five-speed automatic transmission
- Rear-wheel drive (RWD) and four-wheel drive (4WD) configurations
- Electronically controlled hydraulic system
- Integrated torque converter
Components
- High-strength steel gears
- Durable clutch packs
- Advanced solenoid valves
- Robust output shaft
Performance Specifications
Explore the performance capabilities of the 545rfe transmission, including gear ratios, torque handling, and shift patterns. This section provides insights into how the transmission enhances the Jeep Liberty's driving experience.
Performance Specifications
Explore the performance capabilities of the 545rfe transmission, including gear ratios, torque handling, and shift patterns. This section provides insights into how the transmission enhances the Jeep Liberty's driving experience.
Gear Ratios
- First gear: 3.00:1
- Second gear: 1.67:1
- Third gear: 1.00:1
- Fourth gear: 0.75:1
- Fifth gear: 0.67:1
- Reverse gear: 3.00:1
Torque Capacity
- Maximum torque: 375 lb-ft
- Designed for 3.7L V6 engine
- Efficient power transfer
- Smooth shift transitions
Maintenance and Service
This section provides guidance on maintaining and servicing the 545rfe transmission. Learn about fluid requirements, common issues, and recommended service intervals to ensure optimal performance and longevity.
Maintenance and Service
This section provides guidance on maintaining and servicing the 545rfe transmission. Learn about fluid requirements, common issues, and recommended service intervals to ensure optimal performance and longevity.
Fluid Specifications
- Recommended fluid: ATF+4
- Fluid capacity: 7.5 quarts
- Regular fluid checks
- Fluid change interval: 60,000 miles
Common Issues
- Delayed shifting
- Transmission slipping
- Solenoid valve failure
- Torque converter lockup problems
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Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Rear-wheel drive / Four-wheel drive
- Platform
- 2002-2007 Jeep Liberty
- Material
- Aluminum and steel
- Location
- Mounted longitudinally
Dimensions
- Length
- 25.6 inches (650 mm)
- Width
- 18.1 inches (460 mm)
- Height
- 14.2 inches (360 mm)
- Weight
- 185 lbs (84 kg)
- input Shaft Length
- 6.3 inches (160 mm)
- Output Shaft Length
- 9.8 inches (250 mm)
- Fluid Capacity
- 7.5 quarts (7.1 liters)
Materials
- Housing
- Aluminum alloy
- Gears
- Case-hardened steel
- Clutch Plates
- Friction material and steel
- Seals
- Synthetic rubber
Features
- Transmission Control
-
- Electronic shift control
- Adaptive shift logic
- Manual shift mode
- Performance
-
- Wide gear ratio spread
- Smooth shift transitions
- Torque converter lockup
- Durability
-
- Heavy-duty construction
- High-strength gears
- Robust cooling system
- Efficiency
-
- Optimized gear ratios
- Reduced internal friction
- Efficient fluid flow
- integration
-
- Compatible with Jeep Command-Trac
- Seamless engine integration
- OBD-II diagnostics support
Safety Features
- Electronic Protection
-
- Overheat protection
- Shift interlock system
- Mechanical Protection
-
- Overload protection
- Fail-safe mode
Comfort Features
- Shift Quality
-
- Smooth acceleration
- Reduced shift shock
- Noise Reduction
-
- Quiet operation
- Vibration dampening
- Driving Modes
-
- Normal mode
- Tow/haul mode
Accessories
- Cooling
-
- Transmission cooler
- Thermostatic valve
- Mounting
-
- Transmission mount
- Crossmember
- Fluids
-
- ATF+4 transmission fluid
- Seal conditioner
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Shift linkage adjustment
- Cooling system check
- Diagnostic scan
- Maintenance Notes
- Use only ATF+4 fluid for optimal performance.
Warranty
- Basic
- 3 years or 36,000 miles
- Powertrain
- 5 years or 60,000 miles
- Corrosion
- 5 years or unlimited miles
- Emissions
- 8 years or 80,000 miles
- Warranty Terms
- Coverage excludes damage from misuse or lack of maintenance.
Production Details
- Manufacturer
- Chrysler Group LLC
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% component testingStandards: ISO 9001 certified
- Sustainability Practices
-
- Recycled aluminum usage
- Waste reduction initiatives
- Production Metrics
- Units Per Year: Approximately 150,000Defect Rate: Less than 0.1%
Service Information for 545rfe transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Inspect seals and gaskets
- Check shift linkage
- Test cooling system
- Perform diagnostic scan
Use only ATF+4 fluid to avoid damage.
- Replace fluid and filter
- Inspect clutch plates
- Check torque converter
- Test electronic controls
- Adjust shift points
Special tools required for clutch inspection.
- Complete fluid flush
- Inspect and replace worn components
- Test transmission performance
- Check cooling system efficiency
- Update control software
Major service may require transmission removal.
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 2002-2007 Jeep Liberty and is not directly compatible with other Jeep models without significant modifications. It features a 5-speed automatic configuration with a torque capacity of up to 340 lb-ft, making it suitable for the Liberty's engine specifications. Always verify compatibility with your vehicle's VIN before installation.
Q2 What are the maintenance requirements for the 545rfe transmission?
What are the maintenance requirements for the 545rfe transmission?
Regular maintenance for the 545rfe transmission includes fluid and filter changes every 30,000 to 60,000 miles. Use only Mopar ATF+4 fluid for optimal performance. Inspect for leaks, ensure proper fluid levels, and check for error codes using an OBD-II scanner. Adhering to this schedule helps prevent wear and extends the transmission's lifespan.
Q3 How do I replace the 545rfe transmission in a Jeep Liberty?
How do I replace the 545rfe transmission in a Jeep Liberty?
To replace the 545rfe transmission, first, disconnect the battery and drain the transmission fluid. Remove the driveshaft, exhaust components, and crossmember. Disconnect electrical connectors, shift linkage, and cooler lines. Support the transmission with a jack, remove mounting bolts, and carefully lower it. Install the new transmission by reversing the steps, ensuring all connections are secure.
Q4 What should I do if my 545rfe transmission is slipping?
What should I do if my 545rfe transmission is slipping?
If your 545rfe transmission is slipping, check the fluid level and condition first. Low or contaminated fluid can cause issues. Use an OBD-II scanner to check for error codes. Inspect the shift solenoids and valve body for malfunctions. If problems persist, consult a professional for a thorough diagnosis and potential rebuild or replacement.
Q5 How can I optimize the performance of my 545rfe transmission?
How can I optimize the performance of my 545rfe transmission?
To optimize performance, ensure regular maintenance with Mopar ATF+4 fluid. Use a high-quality transmission cooler to reduce heat buildup, which can degrade performance. Avoid aggressive driving and excessive towing. Consider reprogramming the transmission control module (TCM) for smoother shifts and improved 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.
Jeep Liberty 545rfe Transmission Service Manual
Coming SoonComprehensive guide covering installation, maintenance, and troubleshooting for the 545rfe transmission.
Technical Service Bulletin for 545rfe Transmission
Coming SoonLatest updates and fixes for common issues with the 545rfe transmission.
Jeep Liberty Transmission Parts Catalog
Coming SoonDetailed catalog of replacement parts and accessories for the 545rfe transmission.
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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
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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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