2010 Nissan Sentra Owner's Manual - Page 299

AIR CLEANER WARNING Be sure the engine and ignition switch are off and that the parking brake is engaged securely. 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. If replacement is required, see your NISSAN dealer for assistance. CAUTION Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs. If replacement is required, see your NISSAN dealer for assistance. LDI0710 Iridium-tipped spark plugs (if so equipped) It is not necessary to replace iridium-tipped A 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. MR20DE 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: 3. Unlatch the clips and move the air cleaner cover upward. 4. Remove the air cleaner filter. ● For the MR20DE, release the 2 retaining clips A and pull the unit upward. ● For the QR25DE, push the tabs A and pull the unit upward B . 8-18 Maintenance and do-it-yourself