2013 Nissan Frontier King Cab Owner's Manual - Page 371

AIR CLEANER If replacement is required, see your NISSAN dealer for assistance. Iridium-tipped spark plugs (VQ40DE models) A It is not necessary to replace iridium-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 iridium-tipped spark plugs by cleaning or regapping. ● Always replace spark plugs with recommended or equivalent ones. If replacement is required, see your NISSAN dealer for assistance. WDI0686 LDI0465 VQ40DE 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." When replacing the filter, wipe the inside of the air cleaner filter housing and the cover with a damp cloth. To remove the VQ40DE air cleaner filter: 1 ᭺ QR25DE 2. Push down half of air cleaner to clear the bottom retainers. 3. Lift up on half of air cleaner to remove the air cleaner filter Push down on the clips and remove the air cleaner cover. Remove the air cleaner filter. To remove the QR25DE air cleaner filter: A,᭺ B,᭺ C. 1. Unlatch the clips ᭺ 8-20 Maintenance and do-it-yourself