Ford 2009 F-250 Owner's Manual page 401

Maintenance and Specifications
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.
Use only fluid that meets Ford specifications. Refer to the Maintenance
product specifications and capacities section in this chapter.
401
2009 F-250/350/450/550 (f23)
Owners Guide, 2nd Printing
USA (fus)