F 250 2WD Super Duty V10-6.8L VIN S (1999)
Fluid - Differential: Capacity Specifications
Differential Fluid Capacity
Capacity ................................................................................................................................................................................................................. 3.3 - 3.5L
Fill no higher than 1/4 to 9/16 inch below fill plug.
For complete fill of 8.8 and 9.75 Traction-Lok axles add 8 oz. of friction modifier C8AZ-19B956-A.