FORD 2013 Expedition v.1 - Manual (Page 380)

Off-road Operation
Inspect frequently,
service as required Inspect steering linkage, ball joints and
U-joints. Lubricate if equipped with grease
fittings.
Replace engine air filter.
Every 5000 miles
(8000 km) Change engine oil and filter. *
Inspect the wheels and related components for
abnormal noise, wear, looseness or drag.
Rotate tires, inspect tires for wear and
measure tread depth.
Every 60000 miles
(96000 km) Change transfer case fluid (4WD vehicles).
* Reset your oil life monitoring system after each engine oil and filter
change. See the Instrument Cluster chapter.
Exclusive Use of E85 (Flex Fuel Vehicles only)
Every oil change If ran exclusively on E85, fill the fuel tank full
with regular unleaded fuel.
380 Scheduled Maintenance
2013 Expedition (exd)
Owners Guide gf, 1st Printing
USA (fus)