spark plugs replace NISSAN SENTRA 2015 B17 / 7.G Owners Manual

8 Maintenance and do-it-yourself
Maintenance requirements..........................8-2
General maintenance ..............................8-2
Explanation of general maintenance items .........8-2
Maintenance precautions ...........................8-5
Engine compartment check locations ................8-7
Engine cooling system .............................8-8
Checking engine coolant level ...................8-9
Changing engine coolant ........................8-9
Engine oil ........................................ 8-10
Checking engine oil level .......................8-10
Changing engine oil ........................... 8-11
Changing engine oil filter .......................8-12
Continuously Variable Transmission (CVT) fluid
(if so equipped) .................................. 8-12
Brake and clutch (if so equipped) fluid ..............8-13
Brake fluid .................................... 8-13
Clutch fluid (if so equipped) ....................8-13
Windshield-washer fluid ........................... 8-14
Windshield-washer fluid reservoir ...............8-14
Battery .......................................... 8-14
Jump starting ................................. 8-16
Variable voltage control system .....................8-16
Drive belt ........................................ 8-17Spark plugs
...................................... 8-18
Replacing spark plugs ......................... 8-18
Air cleaner ....................................... 8-18
In-cabin microfilter ............................. 8-19
Windshield wiper blades .......................... 8-19
Cleaning ..................................... 8-19
Replacing .................................... 8-20
Brakes .......................................... 8-21
Fuses ........................................... 8-22
Engine compartment ........................... 8-23
Passenger compartment .......................8-24
Battery replacement .............................. 8-25
Key fob (if so equipped) ........................ 8-26
NISSAN Intelligent Key® (if so equipped) ........8-27
Lights ........................................... 8-29
Headlights .................................... 8-29
T

urn signal bulb ............................... 8-31
Fog lights (if so equipped) ......................8-31
Exterior and interior lights .......................8-33
License plate light ............................. 8-35
Wheels and tires ................................. 8-35
Tire pressure .................................. 8-35
Tire labeling ................................... 8-39

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-tippedA
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
platinum-tipped spark plugs by cleaning or re-
gapping.● Always replace spark plugs with rec-
ommended or equivalent ones.
If replacement is required, see your NISSAN
dealer for assistance.
Iridium-tipped spark plugs (California
models only)
It is not necessary to replace iridium-tippedA
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.”
To remove the air cleaner filter:
1. Unlatch the retaining clips
A.
2. Pull up at points
Band remove.
3. Pull up and remove air cleaner housing
C.
4. Remove the air cleaner filter. Wipe the inside of the air cleaner filter housing and the cover
with a damp cloth, then replace air cleaner
filter.
SDI1895LDI2171
SPARK PLUGS AIR CLEANER
8-18Maintenance and do-it-yourself

Pregnant women...............1-12
Seat belt extenders .............1-15
Seat belt maintenance ............1-16
Seat belts .................1-9,7-5
Shoulder belt height adjustment ......1-15
Three-point type with retractor .......1-12
Seat belt extenders ...............1-15
Seatbeltwarninglight..........1-12,2-19
Seats Adjustment ...................1-2
Armrests....................1-5
Frontseats...................1-2
Heatedseats.................2-31
Manual front seat adjustment .........1-3
Rear seat ....................1-4
Security indicator light ..............2-21
Security system (NISSAN Vehicle Immobilizer
System) , engine start .......2-24,5-10,5-13
Security systems Vehicle security system ........2-23,2-23
Self-adjusting brakes ..............8-21
Service manual order form ...........9-22
Servicing air conditioner .............4-27
Setting button ...............4-7,4-37
Shifting Continuously Variable Transmission
(CVT) .....................5-17
Manual transmission .............5-21
Shift lock release .................5-18
Shoulder belt height adjustment ........1-15
Side air bag system (See supplemental
side air bag and curtain side-impact air bag
system)......................1-52
Smartphone connectivity ............4-65
Spark plug replacement .............8-18
Spark plugs ...................8-18 Specifications
...................9-8
Speedometer ...................2-4
Speedometer and odometer ...........2-4
Spotlights(Seemaplight) ...........2-47
SRSwarninglabel................1-54
Stability control .................5-32
Starting Before starting the engine ..........5-14
Jump starting ..............6-8,8-16
Precautions when starting and driving ....5-2
Push starting .................6-10
Starting the engine ..........5-14,5-15
Starting the engine ............5-14,5-15
Steering Power steering system ...........5-29
Steeringwheel..................3-28
Steering wheel audio control switch ......4-64
Stoplight.....................8-33
Storage......................2-34
Storage tray ...................2-35
Sunglassescase.................2-36
Sunglassesholder................2-36
Sunroof......................2-43
Sunroof(seeMoonroof).............2-43
Sun visors ....................3-28
Supplemental air bag warning labels ......1-54
Supplemental air bag warning light . . .1-55, 2-19
Supplemental front impact air bag system . . .1-44
Supplemental restraint system Information and warning labels .......1-54
Precautions on supplemental restraint
system ....................1-37
Supplemental restraint system
(Supplemental air bag system) .........1-37
Supplemental side and curtain side-impact
air bag system ..................1-52 Switch
Autolightswitch...............2-28
Automatic power window switch ......2-42
Fog light switch ...............2-30
Hazard warning flasher switch ........6-2
Headlightandturnsignalswitch......2-27
Headlight control switch ..........2-27
Ignition switch .................
5-8
Instrument brightness control ........2-29
Power door lock switch ............3-5
Rearwindowdefrosterswitch .......2-27
Turnsignalswitch..............2-30
Vehicle dynamic control (VDC) off
switch .....................2-32
Wiper and washer switch ..........2-26
T
Tachometer ....................2-6
Temperature gauge Engine coolant temperature gauge .....2-6
Theft (NISSAN Vehicle Immobilizer System) ,
engine start .............2-24,5-10,5-13
Three-way catalyst ................5-2
Tilt Telescopic steering .............3-28
Tire Flat tire .....................6-3
Spare tire ................6-4,8-45
Tire and Loading Information label .....9-13
Tire chains ..................8-42
Tire pressure .................8-35
Tire rotation..................8-42
Types of tires .................8-41
Uniform tire quality grading .........9-18
10-6