2004 Lincoln Navigator Owner Guide 4th Printing - Page 345

Maintenance and Specifications If necessary, add fluid in 250 mL (1/2 pint) increments through the filler tube until the level is correct. If an overfill occurs, excess fluid should be removed by a qualified ADD COLD HOT DO NOT ADD technician. An overfill condition of transmission fluid may cause shift and/or engagement concerns and/or possible damage. Do not use supplemental transmission fluid additives, treatments or cleaning agents. The use of these materials may affect transmission operation and result in damage to internal transmission components. 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. 345 2004 Navigator (nav) Owners Guide (post-2002-fmt) USA English (fus)