If your lazy like i am, you can drain the differential fluid and replace it with a 50/50 mix with gear oil and Lucas engine oil additives. That may stop the leak and get you a few more miles. You gear oil is (ford 75W-140) (Dana 80W-90)and the capacity is 2.6 liters and 3.5 liters if you have the 10.25 Ring gear.
FAQ what type of gear oil for 2006 f250 rear differential
What kind of rear differential fluid does a Ford F250 take?
Rear Differential F-250/350 (10.50 inch axle) Type: Motorcraft SAE 75W-140 Synthetic Rear Axle Lubricant Quantity: 3.3L (6.9 pints) Note: If you have a limited slip rear differential you also need 8 ounces of "Additive Friction Modifier C8AZ-19B546-A".
Do I need to change rear differential oil?
Ford design rear axles contain a synthetic lubricant that does not require changing unless the axle has been submerged in water. You also have to change it if it’s leaking. Mine was doing this. Anyone changing the rear diff oil should buy the 08 cover. It’s much better and keeps the oil cooler.
What is the best gear oil for Differential Oils?
The go-to gear oil for most differentials. These products contain the extreme pressure additives necessary for ultimate protection road cars and racing vehicles, as well as… SAE 75W-85 API GL-5 Hypoid Gear Oil by Febi®. This product is made of high-quality components to meet and exceed strict quality requirements.
What kind of oil does Ford Performance use for limited slip differential?
Limited-Slip Differential Friction Modifier, 4 oz x 12 by Ford Performance®. Volume: 4 oz. Quantity: Set of 12. Specially formulated additive to provide smooth operation of clutch-type limited-slip differentials. Turn your Ford into a… Elixir SAE 75W-90 Full Synthetic API GL-5 Gear Oil by Amalie Oil®.