2002 Ford Expedition Owner Guide 1st Printing - Page 254

Maintenance and specifications 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. 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. 254