2013 Nissan Frontier King Cab Owner's Manual - Page 370

SPARK PLUGS 1. Visually inspect the belt for signs of unusual wear, cuts, fraying or looseness. If the belt is in poor condition or is loose, have it replaced or adjusted by a NISSAN dealer. 2. Have the belt checked regularly for condition and tension in accordance with the maintenance schedule found in the "NISSAN Service and Maintenance Guide". LDI0461 SDI1895 QR25DE 1. 2. 3. 4. 5. Power steering fluid pump Water pump Air conditioner compressor (if so equipped) Crankshaft pulley Generator REPLACING SPARK PLUGS Platinum-tipped spark plugs (QR25DE models) 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. ● Always replace spark plugs with recommended or equivalent ones. Maintenance and do-it-yourself 8-19