2011 Nissan Titan King Cab Owner's Manual - Page 324

SPARK PLUGS AIR CLEANER WARNING Be sure the engine and ignition switch are off and that the parking brake is engaged securely. CAUTION Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs. SDI1895 WDI0712 REPLACING SPARK PLUGS Platinum-tipped spark plugs A It is not necessary to replace platinum-tipped ᭺ spark plugs as frequently as conventional type spark plugs because they last much longer. Follow the maintenance log shown in the "NISSAN Service and Maintenance Guide". Do not service platinum-tipped spark plugs by cleaning or regapping. The air cleaner filter should not be cleaned and reused. Replace it according to the maintenance log shown in the "NISSAN Service and Maintenance Guide." To remove the air cleaner filter: 1 ᭺ Unlatch the clips and move the air cleaner cover upward. 2. Remove the air cleaner filter. 3. Wipe the inside of the air cleaner filter housing and the cover with a damp cloth. ● Always replace spark plugs with recommended or equivalent ones. Maintenance and do-it-yourself 8-17