Ford 2003 Explorer Owner's Manual page 180

Maintenance and Specifications
3. Fluid level should be at the
bottom of the opening.
4. Add enough fluid through the
filler opening so that the fluid level
is at the bottom of the opening.
5. Install and tighten the fill plug
securely.
Use only fluid that meets Ford specifications. Refer to Lubricant
Specifications in this chapter.
TRANSFER CASE FLUID (IF EQUIPPED)
To check and add transfer case fluid
1. Clean the filler plug.
2. Remove the filler plug and
inspect the fluid level.
3. Add only enough fluid through
the filler opening so that the fluid
level is at the bottom of the
opening.
Use only fluid that meets Ford
Motor Company specifications. Refer
to Lubricant Specifications in this
chapter.
180