Rear Differential Fluid Change & Axle Vent Repair F-250

Here I perform a Rear Differential fluid change on a 2008 Ford F-250 at 100k Miles. This truck has the 10.5 Sterling Limited Slip Differential.
I used 3.5 quarts of Motorcraft 75w-140 Synthetic Gear Oil.
https://www.amazon.com/gp/product/B000NUDTE6/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

Motorcraft Friction Modifier Additive
https://www.amazon.com/Ford-XL-3-Friction-Modifier-Additive/dp/B000NU5LP6/ref=pd_bxgy_263_2/146-1329072-1760130?_encoding=UTF8&pd_rd_i=B000NU5LP6&pd_rd_r=728fefb6-1929-49ce-8e57-d58b401162bf&pd_rd_w=1oI3F&pd_rd_wg=ytX27&pf_rd_p=09627863-9889-4290-b90a-5e9f86682449&pf_rd_r=739P31PSAY29XW682P23&psc=1&refRID=739P31PSAY29XW682P23

Links to other F-250 Videos:

Front Hub Bearing Service
https://rumble.com/v27za30-how-to-service-a-non-serviceable-hub-bearing-f-250.html

Backing Plate Dust Shield Replacement
https://rumble.com/v27z86o-replace-rusted-out-rear-brake-backing-plates-f-250.html

Power Steering Flush
https://rumble.com/v27z6x4-power-steering-squealing-flush-refill-and-bleed.html