User Manual - Page 405

For 2018 NISSAN SENTRA.

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When performing any inspection or main-
tenance work on your vehicle, always take
care to prevent serious accidental injury to
yourself or damage to the vehicle. The fol-
lowing are general precautions which
should be closely observed.
WARNING
Park the vehicle on a level surface, ap-
ply the parking brake securely and
block the wheels to prevent the ve-
hicle from moving. For manual trans-
mission models, move the shift lever
to N (Neutral). For CVT models, move
the shift lever to P (Park).
Be sure the ignition switch is in the
OFF or LOCK position when perform-
ing any parts replacement or repairs.
If you must work with the engine run-
ning, keep your hands, clothing, hair
and tools away from moving fans,
belts and any other moving parts.
It is advisable to secure or remove any
loose clothing and remove any jew-
elry, such as rings, watches, etc. be-
fore working on your vehicle.
Always wear eye protection whenever
you work on your vehicle.
If you must run the engine in an en-
closed space such as a garage, be sure
there is proper ventilation for exhaust
gases to escape.
Never get under the vehicle while it is
supported only by a jack. If it is neces-
sary to work under the vehicle, sup-
port it with safety stands.
Keep smoking materials, flame and
sparks away from the fuel tank and
battery.
Because the fuel lines on gasoline en-
gine models are under high pressure
even when the engine is off, it is rec-
ommended that you visit a NISSAN
dealer for service of the fuel filter or
fuel lines.
Your vehicle is equipped with an auto-
matic engine cooling fan. It may come on
at any time without warning, even if the
ignition key is in the OFF position and the
engine is not running. To avoid injury, al-
ways disconnect the negative battery
cable before working near the fan.
CAUTION
Do not work under the hood while the
engine is hot. Turn the engine off and
wait until it cools down.
Avoid contact with used engine oil and
coolant. Improperly disposed engine
oil, engine coolant and/or other vehicle
fluids can damage the environment. Al-
ways conform to local regulations for
disposal of vehicle fluid.
Never leave the engine or the trans-
mission related component harness
connector disconnected while the ig-
nition switch is in the ON position.
Never connect or disconnect the bat-
tery or any transistorized component
while the ignition switch is in the ON
position.
This “Do-it-yourself section gives instruc-
tions regarding only those items which are
relatively easy for an owner to perform.
A Genuine NISSAN service manual is also
available. For additional information, refer
to “Owner’s Manual/Service Manual order
information” in the “Technical and con-
sumer information” section of this manual.
You should be aware that incomplete or
improper servicing may result in operating
difficulties or excessive emissions, and
could affect warranty coverage. If in doubt
about any servicing, it is recommended
that you have it done by a NISSAN dealer.
MAINTENANCE PRECAUTIONS
8-2 Do-it-yourself
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