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What platform is the Ford Flex built on?

The Ford Flex is a full-size crossover SUV that has been in production since the 2009 model year. While it may look like a unique and distinctive vehicle, the Flex is actually built on the same platform as the Ford Taurus sedan.


The Ford Taurus Platform


The Ford Flex is based on the Ford D3 platform, which was first introduced in 2005 for the Ford Five Hundred and Mercury Montego sedans. This platform was later used for the 2008 Ford Taurus and Lincoln MKS models. The D3 platform is a front-wheel-drive unibody design that provides a flexible and adaptable foundation for a variety of Ford vehicles.


The Flex shares many of its core components with the Taurus, including the suspension, steering, and powertrain. This allows Ford to leverage economies of scale and reduce development costs by using a common platform across multiple models.p>

Adapting the Taurus Platform for the Flex


While the Flex is built on the Taurus platform, Ford made several key modifications to adapt it for the larger, more spacious crossover body style:



  • Increased overall length and width to provide more interior room

  • Raised the ride height and added a more upright, SUV-like profile

  • Incorporated a more rugged, boxy exterior design compared to the Taurus sedan

  • Offered available all-wheel-drive to enhance the Flex's utility and capability


These changes allowed Ford to create a distinct and versatile crossover model while still benefiting from the underlying Taurus platform architecture.


Conclusion


In summary, the Ford Flex may look like a unique and distinctive vehicle, but it is actually built on the same flexible Ford Taurus platform that underpins several other Ford models. This shared platform approach allows Ford to leverage economies of scale and streamline development, while still giving the Flex its own unique identity and capabilities.

What engine came in a Ford Flex?


3.5 L V6 engines
The Ford Flex was powered by two different 3.5 L V6 engines, both paired to a 6-speed automatic transmission.



Do Ford and Mazda share platforms?


This partnership led to collaborative models like: Mazda6 and Ford Fusion (shared platforms) Mazda Tribute and Ford Escape. Ford Ranger and Mazda B-Series pickup trucks.



Is there a Lincoln version of the Ford Flex?


The Lincoln version of the Ford Flex is the Lincoln MKT, a luxury crossover that shares the same platform but features a more upscale design, premium interior, and additional features. While the MKT had a more stylish and luxurious look, it sacrificed some of the Flex's practicality, particularly with a smaller third row and less cargo space due to a sloping roofline.
 
You can watch this video to learn more about the Lincoln MKT vs Ford Flex comparison: 59sInsideLineVideoYouTube · Dec 17, 2009

  • Shared Platform: The MKT is built on the same D4 platform as the Ford Flex. 
  • Design and Interior: The MKT has a more formal and sophisticated design with a plush, quiet interior and higher-end features like standard leather seats and a premium audio system. 
  • Performance: Both models could be equipped with the powerful EcoBoost engine, but the MKT often came standard with AWD, while the Flex was available with FWD. 
  • Practicality: The MKT's sloping rear roofline reduced both third-row legroom and cargo space compared to the more utilitarian Flex. 
  • Features: The MKT typically included more luxury and technology features, such as heated and ventilated front seats, memory seats, and advanced driver-assist options. 

This video shows the exterior features of a Ford Flex: 54sStatewide FordYouTube · Apr 24, 2019



What are the most common problems with the Ford Flex?


Common problems with the Ford Flex include issues with the power transfer unit (PTU) and transmission fluid leaks, broken center console latches, a faulty A/C fan control, and problems with the power liftgate and door lock sensors. Other reported issues involve exhaust system components, premature wear on front-end components like ball joints and struts, and electronic power steering problems. 
Common problem areas
This video highlights some of the common problems affecting the Ford Flex: 53sSimple Mechanic AdviceYouTube · Nov 3, 2024

  • Power transfer unit (PTU) and transmission leaks: Leaks are frequently reported in the axle area. This can involve either the transmission fluid or the PTU fluid. 
  • Broken center console latch: The latch that secures the center console is a common point of failure. 
  • A/C fan control: The fan speed may change erratically on its own. 
  • Power liftgate and door sensors: The power liftgate can malfunction, and the door ajar warning light may illuminate even when the doors are closed, often due to faulty door lock sensors. 
  • Exhaust system: Problems can arise with various components, including the muffler, exhaust manifold, and catalytic converter. 
  • Front-end and suspension: Some models experience premature wear on front-end parts, leading to clunking noises and issues with wheel bearings, ball joints, and control arm bushings. Struts are also frequently mentioned as needing replacement. 
  • Electronics: Owners report issues with the backup camera occasionally blacking out, and the electronic power steering can be problematic. 
  • Alternator and fuel pump control module: These components have been identified as common failure points, particularly in certain model years. 
  • Water pump: Some models, especially those with the 3.53.53.5L V6 engine, have reported water pump leaks that can lead to coolant loss. 

What this means for you
  • Regularly check for fluid leaks around the axles. 
  • Listen for any unusual noises coming from the engine, A/C, or suspension. 
  • Be aware that electronic components, particularly the power liftgate and door sensors, are known to fail and may require costly repairs. 
  • If buying a used Ford Flex, carefully inspect the vehicle for signs of these issues, especially in the areas mentioned above. 


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.