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What kind of transmission fluid does a 2015 Ford Expedition take?

The 2015 Ford Expedition requires Ford Motorcraft MERCON LV Automatic Transmission Fluid. This low-viscosity ATF is specified for the Expedition’s 6R80 six-speed automatic and helps ensure smooth shifting and long-term reliability.


In the broader sense, choosing the right transmission fluid matters for performance and durability. The key question for this model year is identifying the exact Ford specification your transmission expects. Always verify with the owner’s manual or a Ford dealer to confirm the fluid type for your VIN, as there can be variations or updates.


Fluid specification for the 2015 Expedition


The 2015 Expedition equipped with the 6R80 transmission requires MERCON LV (Low Viscosity) automatic transmission fluid. This specification is designed for modern Ford automatic transmissions and is the preferred choice to maintain shift quality and protection. Do not substitute Dexron VI or older MERCON variants unless the manual explicitly allows it.


Note: Some aftermarket fluids claim MERCON LV compatibility. Always confirm that the product explicitly meets Ford’s MERCON LV specification on the packaging or data sheet before use.


What qualifies as MERCON LV fluid?


To help ensure you select the proper product, look for the MERCON LV designation on the bottle or packaging. If a product does not clearly state MERCON LV compatibility, it should not be used in a 2015 Expedition’s 6R80 transmission. Here are practical options:



  • Ford Motorcraft MERCON LV Automatic Transmission Fluid

  • Any ATF that explicitly states it meets Ford MERCON LV specification (check the product label and technical datasheet)

  • Consult a dealer or service technician if you’re unsure about a non-Ford brand


Concluding: Using MERCON LV ensures optimal performance and protection for the Expedition’s transmission. Substituting with non-LV fluids can affect shift quality and long-term durability.


Maintenance tips


When changing ATF, follow Ford’s service procedures, and consider a drain-and-fill or a professional flush depending on the vehicle’s service history. Keep service records for resale value and warranty considerations.


Summary


The 2015 Ford Expedition requires Ford MERCON LV automatic transmission fluid for its 6R80 transmission. Always verify the exact specification in the owner's manual or with a dealer, and choose a product labeled as MERCON LV or explicitly meeting Ford’s MERCON LV standard. Using the correct fluid helps maintain smooth shifting and transmission longevity.

Is all ATF +4 full synthetic?


Yes, ATF+4 is a synthetic automatic transmission fluid that is licensed by Fiat Chrysler Automobiles (FCA) to meet specific performance standards for Chrysler, Dodge, and Jeep vehicles. It is engineered to provide better thermal stability, reduced wear, and consistent shifting compared to conventional fluids.
 

  • Composition: ATF+4 is a full-synthetic fluid designed to protect automatic transmissions in FCA (now Stellantis) vehicles. 
  • Licensing: The "ATF+4" designation is a registered trademark licensed by FCA, ensuring that products from different brands meet the same quality standards. 
  • Benefits: The synthetic formula offers superior performance over conventional fluids, including better protection against heat, oxidation, and wear, which extends transmission life. 
  • Usage: It is backward-serviceable, meaning it can be used in older transmissions that require ATF+, ATF+2, or ATF+3 fluids, and it is the standard for many newer models as well. 



What kind of transmission fluid does a 2015 Ford Expedition 3.5 Ecoboost take?


Mercon LV Automatic Transmission Fluid (ATF), Motorcraft part #XT-10-QLVC automatic transmission fluid.



What transmission fluid does Ford recommend?


The correct Ford transmission fluid type depends on your vehicle and its transmission, but the most common types are the Mercon family (Mercon LV, ULV, V) and Type F, which is for older vehicles. Always check your owner's manual or the vehicle's dipstick to ensure you use the correct specification, as using the wrong fluid can cause serious damage.
 
Common Ford transmission fluid types

  • Mercon LV (Low Viscosity): This is the fluid for many modern Ford automatic transmissions, including select F-150s and Explorers, as noted by Walmart and Valvoline. 
  • Mercon V: Recommended for older Ford automatic transmissions and can be found in models like the 2006-2009 F-150 and 2006-2008 Escape, according to Walmart. 
  • Mercon ULV (Ultra Low Viscosity): Used in specific newer transmissions, such as the AW F21 6-speed transmission. 
  • Type F: A specialty fluid for older Ford automatic transmissions from the 1970s and earlier, or some power steering systems built before the late 1990s, as noted by Amazon and Valvoline. 
  • Type CJ: A specialty fluid for specific transmissions like the Ford C-6. 

Important considerations
  • Always check your owner's manual: This is the most reliable source for the correct fluid type. 
  • Look for licensing: For Mercon fluids, make sure they have a license number issued by Ford, which ensures quality. Avoid products that only say "similar to". 
  • Use genuine Motorcraft fluids: Using fluids recommended by Ford is the safest option, especially with newer, more complex transmissions. 



What kind of transmission fluid does a Ford Expedition take?


The Ford Expedition transmission fluid type depends on the model year, but generally, newer models (approximately 2011 and later) require Mercon LV, while older models may use Mercon V. It is crucial to confirm the specific fluid type for your vehicle's year and transmission by checking your owner's manual, as using the wrong fluid can cause damage. 
Transmission fluid types by model year

  • For newer models (approx. 2011 and later): Use Mercon LV (Low Viscosity) fluid, which is specified for Ford's six-speed automatic transmissions. 
  • For older models (e.g., 1997-2000): Use Mercon or Mercon V. Mercon V replaced the original Mercon fluid and is backward compatible with transmissions that originally specified Mercon. 
  • For all model years: Always check the vehicle's owner's manual or the transmission dipstick/fill plug area for a specific fluid recommendation, as different transmissions within the same model year can have different requirements. 

Important considerations
  • Always use the specified fluid: Do not mix different types of transmission fluid, especially Mercon V with Mercon LV, as this can lead to improper lubrication or damage. 
  • Check the dipstick: Regularly check the transmission fluid level and condition, and add fluid only if necessary, using the correct type. 
  • Consult a professional: If you are unsure about the correct fluid, consult a Ford dealership or a qualified mechanic to ensure you use the right product for your vehicle.


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.