NISSAN 2014 Altima Sedan - Owner's Manual - Manual (Page 369)

REPLACING SPARK PLUGS
Iridium-tipped spark plugs
It is not necessary to replace iridium-tipped
᭺
A
spark plugs as frequently as conventional type
spark plugs because they last much longer. Fol-
low the maintenance log shown in the “NISSAN
Service and Maintenance Guide”. Do not service
iridium-tipped spark plugs by cleaning or regap-
ping.
● QR25DE: Always replace spark plugs
with recommended ones.
● VQ35DE: Always replace spark plugs
with recommended or equivalent ones
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 re-
move the spark plugs. An incorrect socket
can damage the spark plugs.
If replacement is required, see your NISSAN
dealer for assistance.
NOTE:
The air cleaner filter should not be cleaned
and reused.
Replace the air cleaner filter according to the
maintenance log shown in the “Warranty Informa-
tion and Maintenance Booklet.”
To remove the air cleaner filter:
● Unlatch the clips and move the air cleaner
cover upward.
● Remove the air cleaner filter.
SDI1895
QR25DE
LDI2117
SPARK PLUGS AIR CLEANER
8-20 Maintenance and do-it-yourself