1998 Nissan Sentra Owner's Manual - Page 162

1998 Nissan Sentra Manual

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AIR CLEANER HOUSING FILTER 5. Fit the new plugs, one at a time, into the spark plug socket and install them. Turn each plug in several full turns by hand, then tighten with the spark plug socket to the correct torque. Do not overtighten. Spark plug tightening torque: 14 to 22 ft-lb (20 to 29 N m) 6. Holding the boot, reconnect each high tension cable to its proper spark plug by pushing it on until you feel a snap. 7. Reinstall all brackets as necessary. DI0205 ADI0631 SR20DE Engine Platinum-tipped spark plug It is not necessary to replace platinumtipped spark plugs as frequently as conventional type spark plugs because they last much longer. Follow the maintenance schedule, but do not reuse the spark plugs by cleaning or regapping. Blue rings on the ceramic portion indicate that the plugs are platinum-tipped. ● Always replace spark plugs with recommended or equivalent ones. The air cleaner filter should not be cleaned and reused. Replace it according to the maintenance intervals shown in the ''Maintenance'' section of this manual. When replacing the filter, wipe the inside of the air cleaner housing and the cover with a damp cloth. WARNING Operating the engine with the air cleaner off can cause you or others to be burned. The air cleaner not only cleans the air, it stops flame if the engine backfires. If it isn't in place, and the engine backfires, you could be burned. Do not drive with it off, and be careful working on the engine with the air cleaner off. Do-it-yourself 8-19

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5. Fit the new plugs, one at a time, into the
spark plug socket and install them. Turn
each plug in several full turns by hand,
then tighten with the spark plug socket to
the correct torque. Do not overtighten.
Spark plug tightening torque:
14 to 22 ft-lb (20 to 29 N
±
m)
6. Holding the boot, reconnect each high
tension cable to its proper spark plug by
pushing it on until you feel a snap.
7. Reinstall all brackets as necessary.
SR20DE Engine
Platinum-tipped spark plug
It is not necessary to replace platinum-
tipped spark plugs as frequently as conven-
tional type spark plugs because they last
much
longer.
Follow
the
maintenance
schedule, but do not reuse the spark plugs
by cleaning or regapping. Blue rings on the
ceramic portion indicate that the plugs are
platinum-tipped.
●
Always replace spark plugs with rec-
ommended or equivalent ones.
The air cleaner filter should not be cleaned
and
reused.
Replace
it
according
to
the
maintenance intervals shown in the ‘‘Mainte-
nance’’ section of this manual. When replac-
ing the filter, wipe the inside of the air cleaner
housing and the cover with a damp cloth.
WARNING
Operating the engine with the air cleaner
off
can
cause
you
or
others
to
be
burned. The air cleaner not only cleans
the air, it stops flame if the engine back-
fires. If it isn’t in place, and the engine
backfires, you could be burned. Do not
drive with it off, and be careful working
on the engine with the air cleaner off.
DI0205
ADI0631
AIR CLEANER HOUSING
FILTER
Do-it-yourself
8-19