Lincoln Lincoln MKZ 2017-present 6f55 Transmission Specifications
This document provides detailed technical specifications for the 6F55 transmission used in the 2017-Present Lincoln MKZ. It includes information on gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for understanding the transmission's performance, ensuring proper maintenance, and diagnosing potential issues. The data is valuable for automotive technicians, enthusiasts, and owners looking to optimize their vehicle's performance or perform repairs. Additionally, it serves as a reference for compatibility with aftermarket parts and upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 6F55 transmission used in the 2017-Present Lincoln MKZ. It is designed to assist technicians, engineers, and enthusiasts in understanding the transmission's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly locate specific details or browse through sections for comprehensive insights.
How to Use
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Scroll through the document or use the table of contents to jump to major sections. Each section is divided into subsections with detailed technical points for easy reference.
Key Specifications
Transmission Type
6-speed automatic
Torque Capacity
380 lb-ft
Fluid Capacity
12.5 quarts
Gear Ratios
4.48:1 to 0.74:1
Weight
187 lbs
Available Specifications
Transmission Design
This section covers the structural and functional design of the 6F55 transmission, including its architecture, materials, and key components. Learn about the transmission's layout and how it integrates with the Lincoln MKZ's powertrain.
Transmission Design
This section covers the structural and functional design of the 6F55 transmission, including its architecture, materials, and key components. Learn about the transmission's layout and how it integrates with the Lincoln MKZ's powertrain.
Architecture
- 6-speed automatic transmission
- Longitudinal mounting configuration
- Electronically controlled with adaptive shift programming
- Torque converter with lockup clutch
- Compact design for improved packaging
- Optimized for front-wheel-drive and all-wheel-drive systems
Materials and Construction
- High-strength aluminum alloy casing
- Precision-machined gears for durability
- Advanced friction materials for smooth shifting
- Sealed bearings for reduced maintenance
- Lightweight design for improved fuel efficiency
Performance Specifications
Explore the performance metrics of the 6F55 transmission, including gear ratios, torque capacity, and shift response. This section provides insights into how the transmission enhances the driving experience in the Lincoln MKZ.
Performance Specifications
Explore the performance metrics of the 6F55 transmission, including gear ratios, torque capacity, and shift response. This section provides insights into how the transmission enhances the driving experience in the Lincoln MKZ.
Gear Ratios
- 1st Gear: 4.48:1
- 2nd Gear: 2.87:1
- 3rd Gear: 1.84:1
- 4th Gear: 1.41:1
- 5th Gear: 1.00:1
- 6th Gear: 0.74:1
Torque Capacity
- Maximum torque capacity: 380 lb-ft
- Designed for high-performance engines
- Supports turbocharged and hybrid powertrains
- Robust clutch packs for consistent performance
- Enhanced cooling system for sustained operation
Maintenance and Service
This section provides guidelines for maintaining and servicing the 6F55 transmission. Learn about fluid requirements, service intervals, and common troubleshooting tips to ensure optimal performance and longevity.
Maintenance and Service
This section provides guidelines for maintaining and servicing the 6F55 transmission. Learn about fluid requirements, service intervals, and common troubleshooting tips to ensure optimal performance and longevity.
Fluid Requirements
- Recommended fluid: Mercon LV ATF
- Fluid capacity: 12.5 quarts (with torque converter)
- Fluid change interval: 60,000 miles or as recommended
- Use of synthetic fluid for improved performance
- Fluid level check procedure outlined in owner's manual
Service Intervals
- Inspect transmission fluid every 15,000 miles
- Replace transmission filter every 60,000 miles
- Check for leaks during routine maintenance
- Update transmission control module software as needed
- Perform diagnostic scans for error codes
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Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Transverse-mounted
- Platform
- Ford CD4 platform
- Material
- Aluminum alloy casing
- Location
- Front-wheel drive or all-wheel drive
Dimensions
- Length
- 22.5 inches (571.5 mm)
- Width
- 16.3 inches (414 mm)
- Height
- 14.7 inches (373.4 mm)
- Weight
- 187 lbs (84.8 kg)
- input Shaft Diameter
- 1.25 inches (31.75 mm)
- Output Shaft Diameter
- 1.5 inches (38.1 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Sensors
- Stainless steel and plastic composites
Features
- Shift Technology
-
- Adaptive shift scheduling
- SelectShift manual control
- Torque converter lockup clutch
- Performance
-
- Wide gear ratio spread
- Optimized for 2.0L and 3.0L engines
- Smooth shift transitions
- Efficiency
-
- Reduced internal friction
- Optimized fluid dynamics
- Lightweight design
- Durability
-
- High-strength gear materials
- Enhanced cooling system
- Robust clutch design
- integration
-
- Compatible with start-stop systems
- Integrated electronic control module
- Seamless powertrain communication
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Electronic Controls
-
- Torque management system
- Shift interlock system
- Mechanical Protection
-
- Overpressure relief valve
- Shear-resistant components
Comfort Features
- Noise Reduction
-
- Precision gear machining
- Vibration dampening mounts
- Shift Quality
-
- Adaptive shift logic
- Smooth torque converter engagement
- Drivability
-
- Optimized gear ratios
- Responsive throttle mapping
- Climate Adaptation
-
- Cold-start optimization
- High-temperature protection
Accessories
- Cooling
-
- Transmission fluid cooler
- Auxiliary cooling fan
- Mounting
-
- Transmission mount kit
- Crossmember reinforcement
- Electronics
-
- Transmission control module
- Speed sensors
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Clutch pack wear check
- Sensor calibration
- Mount inspection
- Maintenance Notes
- Use only specified transmission fluid for optimal performance and longevity.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation from corrosion
- Emissions
- Miles: 80,000Years: 8Coverage: Emission-related components
Production Details
- Manufacturer
- Ford Motor Company
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Quality Control
- inspection: 100% component testingTolerance: ±0.001 inches (0.025 mm)Durability Testing: Simulated 150,000-mile lifespan
- Sustainability Practices
-
- Recycled aluminum usage
- Low-emission manufacturing
- Waste reduction initiatives
- Production Metrics
- Units Per Year: Approximately 200,000Lead Time: 4-6 weeksDefect Rate: Less than 0.1%
Service Information for 6f55 transmission Service
Maintenance and service requirements specific to this component
- Transmission fluid and filter replacement
- Seal and gasket inspection
- Clutch pack wear check
- Sensor functionality test
- Mount and linkage inspection
Use only manufacturer-recommended transmission fluid.
- Complete fluid flush
- Transmission control module diagnostics
- Cooling system inspection
- Torque converter performance test
- Shift solenoid check
Specialized diagnostic tools required for electronic systems.
- Transmission overhaul inspection
- Clutch pack replacement if necessary
- Bearing and bushing inspection
- Complete system recalibration
- Performance testing under load
Major service may require removal of transmission from vehicle.
Common Questions
Find answers to common questions about torque specifications
Q1 What vehicles is the 6F55 transmission compatible with?
What vehicles is the 6F55 transmission compatible with?
The 6F55 transmission is compatible with the 2017-Present Lincoln MKZ models equipped with the 2.0L EcoBoost or 3.0L EcoBoost engines. It is designed to handle up to 380 lb-ft of torque, making it suitable for high-performance applications. Always verify compatibility with your specific vehicle's VIN to ensure proper fitment and functionality.
Q2 What are the maintenance requirements for the 6F55 transmission?
What are the maintenance requirements for the 6F55 transmission?
The 6F55 transmission requires regular maintenance, including fluid changes every 30,000 to 60,000 miles, depending on driving conditions. Use only Motorcraft MERCON® LV transmission fluid. Inspect the transmission pan and filter for debris during fluid changes. Regularly check for leaks and ensure the transmission is operating within the recommended temperature range to prolong its lifespan.
Q3 How do I replace the 6F55 transmission in my Lincoln MKZ?
How do I replace the 6F55 transmission in my Lincoln MKZ?
Replacing the 6F55 transmission involves disconnecting the battery, removing the driveshaft, and detaching the transmission mounts and wiring harnesses. Use a transmission jack to safely lower the old unit and install the new one. Ensure proper alignment and torque specifications for all bolts. Refill with the correct fluid and perform a system check before test driving. Professional installation is recommended.
Q4 What should I do if my 6F55 transmission is slipping or shifting hard?
What should I do if my 6F55 transmission is slipping or shifting hard?
If your 6F55 transmission is slipping or shifting hard, first check the fluid level and condition. Low or contaminated fluid can cause these issues. Inspect for error codes using a diagnostic tool. Common solutions include replacing the transmission fluid, updating the transmission control module software, or inspecting the solenoids and valve body for malfunctions.
Q5 How can I optimize the performance of my 6F55 transmission?
How can I optimize the performance of my 6F55 transmission?
To optimize the 6F55 transmission, ensure regular fluid changes and use the recommended Motorcraft MERCON® LV fluid. Avoid excessive towing or aggressive driving to reduce wear. Consider updating the transmission control module software for improved shift patterns. Installing an auxiliary transmission cooler can also help maintain optimal operating temperatures under heavy loads.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2017-Present Lincoln MKZ 6F55 Transmission Service Manual
Coming SoonThis manual provides detailed instructions for servicing and repairing the 6F55 transmission, including torque specifications, fluid requirements, and diagnostic procedures.
Technical Service Bulletin for 6F55 Transmission Updates
Coming SoonThis bulletin outlines software updates and common issues for the 6F55 transmission, including recommended fixes and improvements.
6F55 Transmission Parts and Accessories Catalog
Coming SoonThis catalog lists all available parts and accessories for the 6F55 transmission, including filters, gaskets, and fluid recommendations.
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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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