Transfer Case
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 Mazda B4000, 2003 Mazda B3000, 2003 Mazda B2300, 2002 Mazda B4000, and 2002 Mazda B3000. However, it is still accessible from the selected car via links, so may be relevant.
Check fluid level at transfer case fill plug hole. Fluid should be level with bottom of fill plug hole. Add fluid as necessary. See RECOMMENDED FLUIDS .