2006 Ford Expedition Owner Guide 2nd Printing - Page 347

Maintenance and Specifications 2. Pull air filter tray assembly out toward front of vehicle and lift air filter element up and out of housing. The air filter box needs to be free of any debris before installing a new air filter. 3. Install a new air filter element into the tray assembly. 4. Return air filter tray to original position by pressing firmly on the handle until all rearward movement stops and secure the two clamps. DRIVELINE UNIVERSAL JOINT AND SLIP YOKE Your vehicle may be equipped with universal joints that require lubrication. Refer to the scheduled maintenance information for maintenance intervals. If the original universal joints are replaced with universal joints equipped with grease fittings, lubrication will also be necessary. 347 2006 Expedition (exd) Owners Guide (post-2002-fmt) USA (fus)