Lincoln Lincoln Aviator 2003-2005 5R55 Transmission Specifications
This document provides detailed technical specifications for the 5R55 transmission used in the 2003-2005 Lincoln Aviator. It includes gear ratios, torque capacity, fluid requirements, 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, offering reliable and accurate data for troubleshooting, servicing, or enhancing the vehicle's drivetrain system.
Overview Specifications
This document provides detailed specifications and technical information about the 5R55 transmission used in the 2003-2005 Lincoln Aviator. It is designed to assist mechanics, 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 5R55 transmission.
How to Use
Use the search functionality to find specific terms or phrases related to the 5R55 transmission. Enter keywords like 'gear ratios' or 'fluid capacity' to quickly locate relevant information.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized into subsections with detailed points for easy reference.
Key Specifications
Transmission Type
5-speed automatic
Maximum Torque
330 lb-ft
Fluid Capacity
13.9 quarts
Gear Ratios
3.22:1 to 0.71:1
Weight
Approx. 200 lbs
Available Specifications
Transmission Design
This section covers the design and construction of the 5R55 transmission, including its components, layout, and engineering features. Learn about the transmission's architecture and how it contributes to the Lincoln Aviator's performance.
Transmission Design
This section covers the design and construction of the 5R55 transmission, including its components, layout, and engineering features. Learn about the transmission's architecture and how it contributes to the Lincoln Aviator's performance.
Gear Configuration
- 5-speed automatic transmission
- Electronic shift control system
- Overdrive for improved fuel efficiency
- Adaptive shift scheduling for smooth operation
- Torque converter with lockup clutch
- Integrated solenoid body for precise gear changes
Material and Build
- Aluminum alloy casing for reduced weight
- High-strength steel gears for durability
- Sealed design to prevent fluid leaks
- Advanced friction materials for clutch packs
- Precision-machined components for reliability
Performance Specifications
Explore the performance metrics of the 5R55 transmission, including gear ratios, torque capacity, and shift response. This section provides insights into how the transmission enhances the driving experience.
Performance Specifications
Explore the performance metrics of the 5R55 transmission, including gear ratios, torque capacity, and shift response. This section provides insights into how the transmission enhances the driving experience.
Gear Ratios
- 1st gear: 3.22:1
- 2nd gear: 2.29:1
- 3rd gear: 1.54:1
- 4th gear: 1.00:1
- 5th gear: 0.71:1
- Reverse gear: 2.29:1
Torque Handling
- Maximum torque capacity: 330 lb-ft
- Designed for V8 engine compatibility
- Optimized for towing and heavy loads
- Enhanced cooling system for sustained performance
Maintenance and Service
This section provides guidelines for maintaining and servicing the 5R55 transmission. Learn about fluid requirements, common issues, and recommended service intervals to ensure longevity and reliability.
Maintenance and Service
This section provides guidelines for maintaining and servicing the 5R55 transmission. Learn about fluid requirements, common issues, and recommended service intervals to ensure longevity and reliability.
Fluid Requirements
- Recommended fluid: Mercon V ATF
- Fluid capacity: 13.9 quarts (including torque converter)
- Fluid change interval: Every 30,000-60,000 miles
- Use of synthetic fluid for extended life
Common Issues
- Delayed or harsh shifting
- Solenoid body failures
- Transmission fluid leaks
- Overheating under heavy load
- Diagnostic trouble codes (DTCs) related to shift solenoids
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Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Longitudinal
- Platform
- Ford CD2 platform
- Material
- Aluminum casing
- Location
- Rear-wheel drive configuration
- Model Years
- 2003-2005
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.3 inches (465 mm)
- Weight
- 165 lbs (75 kg)
- input Shaft Diameter
- 1.25 inches (31.75 mm)
- Output Shaft Diameter
- 1.5 inches (38.1 mm)
- Fluid Capacity
- 10.5 quarts (9.9 liters)
- Torque Capacity
- 330 lb-ft (447 Nm)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Solenoids
- Stainless steel and copper
Features
- Shifting
-
- Electronic shift control
- Adaptive shift scheduling
- Manual shift mode
- Tow/Haul mode
- Cooling
-
- Integrated transmission cooler
- Auxiliary cooler support
- Thermostatically controlled flow
- Sensors
-
- Turbine speed sensor
- Output speed sensor
- Transmission fluid temperature sensor
- Pressure sensors
- Drivability
-
- Smooth shift transitions
- Torque converter lockup
- Grade logic control
- Neutral idle feature
- Durability
-
- Hardened gear sets
- High-capacity clutch packs
- Reinforced input shaft
- Sealed bearings
Safety Features
- Fail Safe Modes
-
- Limp-home mode
- Overheat protection
- Pressure loss shutdown
- Electronic Controls
-
- Shift interlock system
- Reverse lockout
- Neutral safety switch
Comfort Features
- Noise Reduction
-
- Precision gear machining
- Dampened torque converter
- Isolated mounting points
- Shift Quality
-
- Adaptive shift smoothing
- Low-speed creep control
- Seamless gear transitions
Accessories
- Cooling System
-
- Transmission cooler lines
- Auxiliary cooler kit
- Thermostatic bypass valve
- Electronic Components
-
- Transmission control module
- Wiring harness
- Solenoid pack
- Maintenance Tools
-
- Fluid exchange kit
- Filter and gasket set
- Diagnostic scan tool
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Solenoid function test
- Shift linkage adjustment
- Cooler line inspection
- Maintenance Notes
- Use only Mercon V transmission fluid. Avoid overheating to prevent premature wear.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Ford Motor Company
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Pressure testing
- Quality Control
- inspection Stages: Pre-assembly component checks, Post-assembly pressure tests, Final performance validationTolerance Levels: Within 0.001 inches (0.025 mm)
- Sustainability Practices
-
- Recycled aluminum usage
- Closed-loop fluid systems
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 450Defect Rate: 0.2%Lead Time: 14 days
Service Information for 5r55 transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid and filter
- Inspect pan gasket for leaks
- Check solenoid operation
- Test shift linkage adjustment
- Inspect cooler lines for damage
Use only Mercon V fluid. Avoid mixing fluid types.
- Perform full fluid flush
- Replace transmission pan gasket
- Test all electronic sensors
- Inspect torque converter operation
- Check for internal wear
Requires specialized diagnostic tools for sensor testing.
- Complete transmission overhaul
- Replace clutch packs and seals
- Inspect and replace worn gears
- Test valve body operation
- Perform pressure tests
Major service requires removal of transmission. Use OEM parts for best results.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5R55 transmission compatible with other Lincoln models?
Is the 5R55 transmission compatible with other Lincoln models?
The 5R55 transmission is specifically designed for the 2003-2005 Lincoln Aviator and is not directly compatible with other Lincoln models without significant modifications. It is a 5-speed automatic transmission with unique gear ratios and electronic controls tailored for the Aviator's V8 engine. Always verify compatibility with your vehicle's VIN and consult a professional before attempting cross-model installations.
Q2 What are the maintenance requirements for the 5R55 transmission?
What are the maintenance requirements for the 5R55 transmission?
The 5R55 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 components, and ensure the transmission fluid is at the correct level and condition. Regularly check the transmission control module for error codes and address any issues promptly to avoid costly repairs.
Q3 How do I replace the 5R55 transmission in my Lincoln Aviator?
How do I replace the 5R55 transmission in my Lincoln Aviator?
Replacing the 5R55 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 from the vehicle. 4) Install the new transmission, ensuring proper alignment with the engine. 5) Reconnect all components and refill with the correct transmission fluid. Always refer to the service manual for detailed instructions.
Q4 What are common troubleshooting steps for the 5R55 transmission?
What are common troubleshooting steps for the 5R55 transmission?
Common issues with the 5R55 transmission include harsh shifting, slipping gears, and delayed engagement. Start by checking the transmission fluid level and condition. Inspect for leaks and damaged wiring. Use a diagnostic tool to scan for error codes in the transmission control module. If issues persist, consider inspecting the valve body, solenoids, and torque converter. Professional diagnosis may be required for complex problems.
Q5 How can I optimize the performance of my 5R55 transmission?
How can I optimize the performance of my 5R55 transmission?
To optimize the 5R55 transmission, use high-quality transmission fluid and ensure regular maintenance. Upgrade to a performance valve body or shift kit for improved shifting response. Consider installing an auxiliary transmission cooler for heavy-duty use. Regularly update the transmission control module software and avoid aggressive driving habits to prolong the transmission's lifespan and maintain smooth operation.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2003-2005 Lincoln Aviator 5R55 Transmission Service Manual
Coming SoonThis manual provides detailed instructions for servicing and repairing the 5R55 transmission, including disassembly, reassembly, and troubleshooting procedures.
Technical Service Bulletin for 5R55 Transmission Updates
Coming SoonThis bulletin outlines common issues, updates, and fixes for the 5R55 transmission, including software updates and component replacements.
5R55 Transmission Parts and Accessories Catalog
Coming SoonThis catalog lists all available parts and accessories for the 5R55 transmission, including gaskets, seals, solenoids, and performance upgrades.
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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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