Section 232 (Axle Shafts (4WD)): Lubrication
WARNING: This page is about a different car, the 2004 Ford Ranger, 2003 Ford Ranger, and 2002 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
Front hub bearings are a cartridge design and require no scheduled maintenance. CV joint assemblies, use Ford High Temp Constant Velocity Joint Grease (E43Z-19590-A), or equivalent.