Lincoln Lincoln MKS 2009-2016 6F55 Transmission Transmission Specifications
Lincoln Lincoln MKS 2009-2016

Lincoln Lincoln MKS 2009-2016 6F55 Transmission Specifications

This document provides detailed transmission specifications for the 2009-2016 Lincoln MKS, focusing on the 6F55 transmission model. It includes technical data such as gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for mechanics, enthusiasts, and owners seeking to understand the transmission's performance, compatibility, and service needs. The information is valuable for diagnosing issues, performing upgrades, or ensuring proper maintenance to extend the transmission's lifespan. Whether you're repairing, upgrading, or simply maintaining your Lincoln MKS, this guide offers the precise details needed to make informed decisions.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the 6F55 transmission used in the 2009-2016 Lincoln MKS. It is designed to assist technicians, engineers, and enthusiasts 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 sections for comprehensive insights.

How to Use

Use the search bar to enter keywords related to the 6F55 transmission, such as 'gear ratios' or 'fluid capacity'. Results will highlight relevant sections and subsections for quick access.

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

Max Torque Capacity

440 lb-ft

Fluid Capacity

12.5 quarts

Weight

187 lbs

Shift Times

200 ms

Available Specifications

Transmission Design

This section covers the design and engineering of the 6F55 transmission, including its construction, materials, and key components. Learn about the transmission's architecture and how it contributes to the Lincoln MKS's performance.

Construction and Materials
  • Aluminum alloy casing for reduced weight
  • Six-speed automatic configuration
  • High-strength steel gears for durability
  • Advanced sealing technology to prevent leaks
  • Integrated cooling system for optimal temperature control
Key Components
  • Torque converter with lockup clutch
  • Planetary gear sets for smooth shifting
  • Electronically controlled solenoids
  • High-capacity fluid pump
  • Dual-clutch system for improved efficiency

Performance Specifications

Explore the performance metrics of the 6F55 transmission, including gear ratios, shift times, and torque handling capabilities. This section provides insights into how the transmission enhances the driving experience.

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
Shift Times
  • Average shift time: 200 milliseconds
  • Adaptive shift logic for varying driving conditions
  • Sport mode for quicker shifts
  • Manual mode for driver-controlled shifting

Maintenance and Service

This section provides guidelines for maintaining the 6F55 transmission, including fluid requirements, service intervals, and common troubleshooting tips. Ensure optimal performance and longevity with proper care.

Fluid Requirements
  • Recommended fluid: Mercon LV ATF
  • Fluid capacity: 12.5 quarts (with cooler)
  • Fluid change interval: Every 60,000 miles
  • Use of synthetic fluid for extended life
Service Intervals
  • Inspect transmission fluid every 15,000 miles
  • Replace filter during fluid changes
  • Check for leaks and wear during routine maintenance
  • Update transmission control module software as needed

Transmission Specifications

Overview

Type
6-speed automatic
Configuration
Transverse
Platform
Ford D3 platform
Material
Aluminum and steel
Location
Front-wheel drive

Dimensions

Length
24.5 inches (622.3 mm)
Width
18.7 inches (475 mm)
Height
12.3 inches (312.4 mm)
Weight
187 lbs (84.8 kg)
input Shaft Length
6.3 inches (160 mm)
Output Shaft Length
7.1 inches (180 mm)
Fluid Capacity
8.8 quarts (8.3 liters)

Materials

Housing
Aluminum alloy
Gears
Hardened steel
Clutch Packs
Steel with friction material
Seals
Viton rubber

Features

Performance
  • Adaptive shift scheduling
  • Electronic line pressure control
  • Torque converter lock-up clutch
Technology
  • SelectShift manual control
  • Electronic throttle control
  • Integrated transmission control module
Efficiency
  • Low friction bearings
  • Optimized gear ratios
  • Reduced parasitic losses

Safety Features

Electronic
  • Transmission fluid temperature sensor
  • Overheat protection
  • Slip control
Mechanical
  • High-strength gear teeth
  • Reinforced housing

Comfort Features

Smoothness
  • Adaptive shift algorithms
  • Torque converter dampening
Noise Reduction
  • Helical gear design
  • Isolated mounts

Accessories

Transmission Components
  • Transmission cooler
  • Shift linkage
  • Mounting brackets
Fluids
  • Mercon LV transmission fluid
  • Seal conditioner
Tools
  • Transmission jack
  • Fluid pump
  • Diagnostic scanner

Maintenance

Service interval
Every 30,000 miles or 24 months
Service Items
  • Fluid and filter change
  • Pan gasket inspection
  • Seal condition check
  • Shift quality assessment
Maintenance Notes
Use only specified transmission fluid to ensure proper operation

Warranty

Basic
Miles: 36000
Years: 3
Coverage: Bumper to bumper
Powertrain
Miles: 60000
Years: 5
Coverage: Transmission and drivetrain
Corrosion
Miles: Unlimited
Years: 5
Coverage: Perforation from corrosion
Emissions
Miles: 80000
Years: 8
Coverage: Federal emissions components

Production Details

Manufacturer
Ford Motor Company
Manufacturing Process
  • Casting
  • Machining
  • Heat treatment
  • Assembly
Quality Control
Testing: Dyno and road testing
inspection: Dimensional and material checks
Sustainability Practices
  • Recycling of aluminum scrap
  • Energy-efficient manufacturing
Production Metrics
Units Per Day: 500
Defect Rate: Less than 0.1%

Service Information for 6f55 transmission Service

Maintenance and service requirements specific to this component

30000
24
  • Transmission fluid and filter change
  • Inspect pan gasket for leaks
  • Check shift linkage operation
  • Verify fluid level and condition

Ensure transmission is at operating temperature before checking fluid level

60000
48
  • Replace transmission fluid and filter
  • Inspect clutch pack wear
  • Check for solenoid operation
  • Test torque converter lock-up

Use a diagnostic scanner to check for trouble codes

100000
84
  • Perform complete transmission flush
  • Inspect and replace seals as needed
  • Check valve body for wear
  • Test transmission for slipping or hesitation

Consider a transmission overhaul if significant wear is detected

Common Questions

Find answers to common questions about torque specifications

Q1

Is the 6F55 transmission compatible with other Lincoln models?

The 6F55 transmission is specifically designed for the 2009-2016 Lincoln MKS. While it shares similarities with other Ford/Lincoln transmissions, it is not directly compatible with other models due to unique mounting points, electronic controls, and torque specifications. Always verify compatibility using the vehicle's VIN or consult a certified technician before attempting any cross-model installations.

Q2

What are the maintenance requirements for the 6F55 transmission?

The 6F55 transmission requires regular maintenance to ensure optimal performance. This includes fluid changes every 30,000-60,000 miles, depending on driving conditions. Inspect for leaks, replace the filter during fluid changes, and ensure the transmission control module software is up to date. Avoid towing beyond the recommended capacity and use only manufacturer-approved fluids to prevent damage.

Q3

How do I replace the 6F55 transmission in a Lincoln MKS?

Replacing the 6F55 transmission involves several steps: 1) Disconnect the battery and remove the air intake system. 2) Drain the transmission fluid and disconnect the driveshaft. 3) Unbolt the transmission crossmember and lower the transmission slightly. 4) Disconnect wiring harnesses, shift linkage, and cooler lines. 5) Remove the transmission bolts and carefully lower it using a transmission jack. Reverse the process to install the new unit, ensuring proper alignment and torque specifications.

Q4

What should I do if my 6F55 transmission is slipping or shifting hard?

If your 6F55 transmission is slipping or shifting hard, start by checking the fluid level and condition. Low or contaminated fluid can cause these issues. Inspect for leaks and ensure the transmission control module is functioning correctly. If the problem persists, perform a diagnostic scan to identify error codes. Common solutions include replacing the solenoid pack, updating software, or rebuilding the transmission if internal damage is detected.

Q5

How can I optimize the performance of my 6F55 transmission?

To optimize the 6F55 transmission's performance, use high-quality synthetic transmission fluid and ensure regular maintenance. Consider installing an aftermarket transmission cooler if towing or driving in extreme conditions. Update the transmission control module software to the latest version for improved shift patterns. Avoid aggressive driving and ensure the vehicle is not overloaded to reduce stress on the transmission.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2009-2016 Lincoln MKS Service Manual

Coming Soon

Comprehensive guide covering all aspects of the Lincoln MKS, including the 6F55 transmission. Includes detailed repair procedures, specifications, and maintenance schedules.

Technical Service Bulletin for 6F55 Transmission

Coming Soon

Latest updates and fixes for the 6F55 transmission, addressing common issues such as shifting problems and software updates.

Lincoln MKS Parts and Accessories Catalog

Coming Soon

Complete catalog of OEM and aftermarket parts for the Lincoln MKS, including transmission components and accessories.

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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.
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About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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