NISSAN 2014 Frontier - Owner's Manual - Manual (Page 361)

If replacement is required, see your NISSAN
dealer for assistance.
Iridium-tipped spark plugs (VQ40DE
models)
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.
● Always replace spark plugs with rec-
ommended or equivalent ones.
If replacement is required, see your NISSAN
dealer for assistance.
The air cleaner filter should not be cleaned and
reused. Replace it according to the maintenance
log shown in the “NISSAN Service and Mainte-
nance 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 Push down on the clips and remove the air
cleaner cover. Remove the air cleaner filter.
To remove the QR25DE air cleaner filter:
1. Unlatch the clips
᭺
A ,
᭺
B ,
᭺
C .
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
VQ40DE
WDI0686
QR25DE
LDI0465
AIR CLEANER
8-20 Maintenance and do-it-yourself