2004 Mercury Grand Marquis Owner Guide 3rd Printing - Page 210

Maintenance and Specifications If an overfill occurs, excess fluid should be removed by a qualified technician. DON'T ADD 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. 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. Release the clamps that secure the air filter housing cover. 2. Carefully separate the two halves of the air filter housing. 3. Remove the air filter element from the air filter housing. 4. Wipe the air filter housing and cover clean to remove any dirt or debris and to ensure good sealing. 5. Install a new air filter element. Be careful not to crimp the filter element edges between the air filter housing and cover. This could cause filter damage and allow unfiltered air to enter the engine if not properly seated. 6. Replace the air filter housing cover and secure the clamps. 7. Replace the air inlet tube and secure the clamp. 210 2004 Grand Marquis (grn) Owners Guide (post-2002-fmt) USA English (fus)