spark plugs NISSAN FRONTIER 2015 D23 / 3.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 .............................8-9
Checking engine coolant level ..................8-10
Changing engine coolant .......................8-10
Engine oil ........................................ 8-11
Checking engine oil level .......................8-11
Changing engine oil ........................... 8-12
Changing engine oil filter .......................8-13
5-speed automatic transmission fluid
(if so equipped) .................................. 8-15
Power steering fluid ............................... 8-15
Brake and clutch (if so equipped) fluid ..............8-15
Brake fluid .................................... 8-16
Clutch fluid (if so equipped) ....................8-16
Windshield-washer fluid ........................... 8-16
Windshield-washer fluid reservoir ...............8-16
Battery .......................................... 8-17
Jump starting ................................. 8-19
Variable voltage control system .....................8-19Drive belt
........................................ 8-20
Spark plugs ...................................... 8-21
Replacing spark plugs ......................... 8-21
Air cleaner ....................................... 8-21
In-cabin microfilter (if so equipped) ..............8-22
Windshield wiper blades .......................... 8-23
Cleaning ..................................... 8-23
Replacing .................................... 8-24
Brakes .......................................... 8-25
Fuses ........................................... 8-25
Engine compartment ........................... 8-26
Passenger compartment .......................8-27
Battery replacement .............................. 8-29
Key fob (if so equipped) ........................ 8-30
Lights ........................................... 8-31
Headlights .................................... 8-31
Fog

lights (if so equipped) ...................... 8-32
Exterior and interior lights .......................8-33
Wheels and tires ................................. 8-35
Tire pressure .................................. 8-35
Tire labeling ................................... 8-39
Types of tires .................................. 8-41
Tire chains .................................... 8-42
Changing wheels and tires .....................8-42

REPLACING SPARK PLUGS
Platinum-tipped spark plugs (QR25DE
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 (VQ40DE
models)
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.” When replacing the filter, wipe the
inside of the air cleaner filter housing and the
cover with a damp cloth.
To remove the VQ40DE air cleaner filter:
1Push down on the clips and remove the air
cleaner cover. Remove the air cleaner filter.
To remove the QR25DE air cleaner filter: 1. Unlatch the clips
A,B,C.
SDI1895
VQ40DE
WDI0686
SPARK PLUGS AIR CLEANER
Maintenance and do-it-yourself8-21

Security system (NISSAN vehicle immobilizer
system) , engine start........2-25,3-2,5-12
Security systems Vehicle security system ...........2-24
Self-adjusting brakes ..............8-25
Service manual order form ...........9-42
Servicing air conditioner .............4-34
Setting button ...................4-7
Shifting Automatic transmission ...........5-14
Manual transmission .............5-18
Shift lock release .................5-16
Shoulder belt height adjustment ........1-22
Side air bag system (See supplemental side air
bag, curtain and rollover air bag systems) . . .1-82
Smartphone connectivity ............4-71
Sonar Rear system .................5-40
Spark plug replacement .............8-21
Spark plugs ...................8-21
Specifications ...................9-9
Speedometer ...................2-4
SRS warning label ................1-84
Stability control .................5-37
Starting Before starting the engine ..........5-12
Jump starting .............6-11,8-19
Precautions when starting and driving ....5-2
Push starting .................6-13
Starting the engine .............5-12
Starting the engine ...............5-12
Steering Power steering fluid .............8-15
Power steering system ...........5-34
Tilting steering wheel ............3-13
Steering wheel ..................3-13 Steering wheel audio control switch
......4-69
Stoplight.....................8-33
Storage......................2-39
Storage tray ................2-39,2-41
Sunglassescase.................2-43
Sunroof(seeMoonroof).............2-51
Sun visors ....................3-14
Supplemental air bag warning labels ......1-84
Supplemental air bag warning light . . .1-85, 2-20
Supplemental front impact air bag system . . .1-77
Supplemental restraint system Information and warning labels .......1-84
Precautions on supplemental restraint
system ....................1-70
Supplemental restraint system
(Supplemental air bag system) .........1-70
Switch Autolightswitch...............2-29
Automatic power window switch ......2-50
Clutch interlock (clutch start) switch ....2-37
Electronic locking rear differential (E-Lock)
system switch ................2-36
Foglightswitch ...............2-32
Hazard warning flasher switch ........6-2
Headlight and turn signal switch ......2-28
Headlight control switch ..........2-28
Hill descent control switch .........2-35
Ignition switch ................5-10
Instrument brightness control ........2-31
Overdrive switch ...............5-17
Power door lock switch ............3-4
Rear sonar system off switch ........2-37
Rear

window defroster switch .......2-28
Turn signal switch ..............2-32
Vehicle dynamic control (VDC) off switch. .2-34
Windshield wiper and washer switch . . .2-27 T
Tachometer ....................2-6
Tailgate ......................3-18
Tailgate latch ............3-18,3-22,3-23
Temperature gauge Engine coolant temperature gauge .....2-6
Theft (NISSAN vehicle immobilizer system) ,
engine start .............2-25,3-2,5-12
Three-way catalyst ................5-3
Tie down hooks .................3-23
Tilting steering wheel ..............3-13
Tire Flat tire .....................6-3
Spare tire ...................6-5
Tire and Loading Information label .....9-14
Tire chains ..................8-42
Tire pressure .................8-35
Tire rotation..................8-42
Tires of 4-wheel drive ............8-44
Types of tires .................8-41
Uniform tire quality grading .........9-38
Wheels and tires ...............8-35
Wheel/tire size ................9-10
Tire pressure Low tire pressure warning light .......2-18
Tire Pressure Monitoring System (TPMS) ....5-3
Top tether strap child restraint .........1-30
Towing 2-wheel drive models ............6-15
4-wheel drive models ............6-16
Flattowing..................9-37
Towing load/specification ..........9-30
Towtrucktowing...............6-14
Trailer towing .................9-26
10-6