FORD 2008 F-550 v.3 - Manual (Page 374)

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 Maintenance
Product Specifications and Capacities in this chapter.
TRANSFER CASE FLUID (IF EQUIPPED)
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.
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)
Maintenance and Specifications
374