User Manual - Page 420

For 2018 NISSAN SENTRA.

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1. Visually inspect the belt for signs of un-
usual wear, cuts, or fraying. If the belt is
in poor condition, have it replaced or
adjusted. It is recommended that you
visit a NISSAN dealer for this service.
2. Have the belt checked regularly for
condition.
REPLACING SPARK PLUGS
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.
Platinum-tipped spark plugs
(except California models)
It is not necessary to replace platinum-
tipped
A
spark plugs as frequently as con-
ventional type spark plugs because they
last much longer. Follow the maintenance
log shown in the “Maintenance and sched-
ules” section of this manual. Do not service
platinum-tipped spark plugs by cleaning or
regapping.
Always replace spark plugs with rec-
ommended or equivalent ones.
If replacement is required, it is recom-
mended that you visit a NISSAN dealer for
this service.
Iridium-tipped spark plugs
(MR16DDT engine or California
models only)
It is not necessary to replace iridium-
tipped
A
spark plugs as frequently as con-
ventional type spark plugs because they
last much longer. Follow the maintenance
log shown in the “Maintenance and sched-
ules” section in the manual. Do not service
iridium-tipped spark plugs by cleaning or
regapping.
SDI1895
SPARK PLUGS
Do-it-yourself 8-17
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