2002 Nissan Frontier Owner's Manual - Page 212
2002 Nissan Frontier Manual
Page 212 highlights
AIR CLEANER Spark plug tightening torque: 14 to 22 ft-lb (20 to 29 N m) 4. Reconnect the spark plug cables to their original positions. REPLACING SPARK PLUGS (with supercharger) Please see your authorized NISSAN dealer for assistance. ADI1079 WDI0097 The filter element should not be cleaned and reused as it is given a special treatment. We recommend it be replaced according to the maintenance intervals shown in the ''NISSAN Service and Maintenance Guide.'' When replacing the filter, wipe the inside of the air cleaner housing and the cover with a damp cloth. WARNING ● Operating the engine with the air cleaner removed can cause you or others to be burned. The air cleaner not only cleans the air, it stops flame if the engine backfires. If it isn't there and the engine backfires, you could be burned. Do not drive with the air cleaner removed, and be careful when working on the engine with the air cleaner removed. Maintenance and do-it-yourself 8-23