Operation Manual
REPLACING SPARK PLUGS
If replacement is required, see an INFINITI
dealer for servicing.
Platinum-tipped spark plugs
It is not necessary to replace the
platinum- tipped
q
A
spark plugs as fre-
quently as the conventional type spark
plugs since they will last much longer.
Follow the maintenance schedule in
“INFINITI Service and Maintenance
Guide”, but do not reuse them by
cleaning or regapping.
Always replace spark plugs with recom-
mended or equivalent ones.
Remove the retainers
q
1
as illustrated
and pull out the filter element
q
2
.
The filter element should not be cleaned
and reused. Replace it according to the
maintenance intervals. See “INFINITI Ser-
vice and Maintenance Guide” for mainte-
nance intervals. When replacing the filter,
wipe the inside of the air cleaner housing
and the cover with a damp cloth.
SDI0145C
SDI1830
VK45DE engine
AIR CLEANER
8-22 Maintenance and do-it-yourself
w 06.3.30/Y50-D X