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How much rear differential fluid does a 2015 F150 take?

The 2015 Ford F150 requires approximately 3.5 to 4 quarts of rear differential fluid. This fluid helps lubricate and cool the rear differential, which is a critical component in the truck's drivetrain that transfers power from the transmission to the rear wheels.


Rear Differential Fluid Capacity for the 2015 F150


The exact rear differential fluid capacity for a 2015 Ford F150 can vary slightly depending on the specific model and configuration, but the general range is 3.5 to 4 quarts. This fluid is responsible for reducing friction and wear in the rear differential, which is essential for the proper functioning and longevity of this important drivetrain component.


Importance of Maintaining Rear Differential Fluid


Regularly checking and changing the rear differential fluid is an important maintenance task for any truck owner. Over time, the fluid can break down and become contaminated, leading to increased wear on the differential gears and bearings. Neglecting this maintenance can result in expensive repairs down the road.


Steps to Check and Change Rear Differential Fluid



  • Park the truck on a level surface and apply the parking brake.

  • Locate the rear differential fill and drain plugs, typically on the bottom of the differential housing.

  • Using a socket wrench, remove the fill plug and check the fluid level. It should be level with the bottom of the fill hole.

  • If the fluid level is low, add the recommended type and amount of fluid through the fill hole until it begins to drip out.

  • To change the fluid, drain the old fluid by removing the drain plug, then replace it and refill with new fluid.

  • Dispose of the old fluid properly, as it can be harmful to the environment.


Maintaining the proper rear differential fluid level and changing it at the recommended intervals is essential for the long-term health and performance of your 2015 Ford F150.

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.