FORD 2004 Expedition v.3 - Manual (Page 320)

DRIVELINE UNIVERSAL JOINT AND SLIP YOKE
Your vehicle may be equipped with universal joints that require
lubrication. Refer to the Scheduled Maintenance Guide for
maintenance intervals. If the original universal joints are replaced with
universal joints equipped with grease fittings, lubrication will also be
necessary.
AIR FILTER MAINTENANCE
Refer to the scheduled maintenance guide for the appropriate intervals
for changing the air filter element.
When changing the air filter element, use only the Motorcraft air filter
element listed. Refer to Motorcraft part numbers in this chapter.
Note: Do not start your engine with the air cleaner removed and do not
remove it while the engine is running.
Changing the air filter element
1. Loosen the clamp that secures
the air inlet tube to the engine air
filter cover and disconnect the tube
from the cover.
2. Loosen the clamp that secures
the air filter cover to the air filter
housing and carefully separate the
cover from housing.
2004 Expedition (exd)
Owners Guide (post-2002-fmt)
USA English (fus)
Maintenance and Specifications
320