Video Tip: How to replace upper and lower ball joints on Ford F250 and F350 Super Duty 4X4 trucks. The subject vehicle is a 2008 Ford F350 Super Duty 4X4 equipped with the power stroke engine however this general process covers many year model Ford Trucks. Watch this video for more information. Here is a link to my video showing the installation of the inner spindle seal which was not covered in this production.    • Ford Super Duty Spindle Seal Replace ...