How much rear differential oil does a 5.4 litre 2005 ford f150 need?

The 2005 Ford F-150 with a 5.4-liter engine typically requires about 3.5 to 4 quarts of rear differential oil, depending on the specific axle configuration. It's essential to check the owner's manual or service guide for the exact specifications for your vehicle's rear differential. Additionally, using the correct type of oil, such as 75W-140 or the manufacturer-recommended fluid, is crucial for optimal performance.