service NISSAN FRONTIER 2016 D23 / 3.G Repair Manual

1. Remove the vent caps with a screwdriver asshown. Use a cloth to protect the battery
case.
2. Check the fluid level in each cell. If it isnecessary to add fluid, add only distilled
water to bring the level up to the bottom of
the filler opening. Do not overfill.Reinstall
the vent caps. Vehicles operated in high temperatures or under
severe conditions require frequent checks of the
battery fluid level.
JUMP STARTING
If jump starting is necessary, refer to “Jump start-
ing” in the “In case of emergency” section of this
manual. If the engine does not start by jump
starting, the battery may have to be replaced. It is
recommended that you visit a NISSAN dealer for
this service.
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8-18Maintenance and do-it-yourself

1. Visually inspect the belt for signs of unusualwear, cuts, fraying or looseness. If the belt is
in poor condition or is loose, have it replaced
or adjusted. It is recommended that you visit
a NISSAN dealer for this service.
2. Have the belt checked regularly for condi- tion and tension in accordance with the
maintenance schedule found in the
“NISSAN Service and Maintenance Guide”.
1. Power steering fluid pump pulley
2. Water pump pulley
3. Air conditioner compressor pulley (if so
equipped)
4. Crankshaft pulley
5. Generator pulleyREPLACING 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.
QR25DE
LDI0461SDI1895
SPARK PLUGS
8-20Maintenance and do-it-yourself

If replacement is required, it is recommended that
you visit a NISSAN dealer for this service.
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, it is recommended that
you visit a NISSAN dealer for this service. 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:
1Unlatch 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.
2. Push down half of air cleaner to clear the bottom retainers.
3. Lift up on half of air cleaner to remove the air cleaner filter
VQ40DE
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QR25DE
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AIR CLEANER
Maintenance and do-it-yourself8-21

WARNING
●Operating the engine with the air
cleaner removed can cause you or oth-
ers to be burned. The air cleaner not
only cleans the air, it stops the flame if
the engine backfires. If it isn’t there, and
the engine backfires, you could be
burned. Do not drive with the air cleaner
removed, and be careful when working
on the engine with the air cleaner
removed.
● Never pour fuel into the throttle body or
attempt to start the engine with the air
cleaner removed. Doing so could result
in serious injury.
IN-CABIN MICROFILTER (if so
equipped)
The in-cabin microfilter restricts the entry of air-
borne dust and pollen particles and reduces
some objectionable outside odors. The filter is
located behind the glove box. Refer to the
“NISSAN Service and Maintenance Guide” for
change intervals.
To replace the filter, perform the following proce-
dure:
1. Open the glove box and press in on the sides so that it will open completely allowing
it to hang by the cord. 2. Gently lift up on the tab
1.
3. Pull the filter cover toward you and then down
2.
4. Remove the old filter
3.
NOTE:
The filter is marked with air flow arrows.
The end of the filter with the arrow should
face the rear of the vehicle. The arrows
should face downward. 5. Insert the new filter into the housing and slide it over to the right.
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8-22Maintenance and do-it-yourself

CAUTION
●After wiper blade replacement, return
the wiper arm to its original position;
otherwise it may be damaged when the
hood is opened.
● Make sure the wiper blades contact the
glass; otherwise the arms may be dam-
aged from wind pressure.
Be careful not to let anything get into the washer
nozzle
D. This may cause clogging or improper
windshield–washer operation. If something gets
into the nozzle, remove it with a needle or small
pin
C. If the brakes do not operate properly, have the
brakes checked by a NISSAN dealer.
Self-adjusting brakes
Your vehicle is equipped with self-adjusting
brakes.
The front and rear disc-type brakes self-adjust
every time the brake pedal is applied.
WARNING
Have you brake system checked if the
brake pedal height does not return to nor-
mal. It is recommended that you visit a
NISSAN dealer for this service.
Brake pad wear indicators
The disc brake pads on your vehicle have audible
wear indicators. When a brake pad requires re-
placement, a high pitched scraping or screech-
ing sound will be heard when the vehicle is in
motion. The noise will be heard whether or not the
brake pedal is depressed. Have the brakes
checked as soon as possible if the wear indicator
sound is heard.
Under some driving or climate conditions, occa-
sional brake squeak, squeal or other noise may
be heard. Occasional brake noise during light to
moderate stops is normal and does not affect the
function or performance of the brake system.
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BRAKES
8-24Maintenance and do-it-yourself

Proper brake inspection intervals should
be followed.For additional information regard-
ing brake inspections, refer to the appropriate
maintenance schedule information in the
“NISSAN Service and Maintenance Guide”.
If any electrical equipment does not operate,
check for an open fuse.
Fuses are used in the passenger and engine
compartment. Spare fuses are provided and can
be found in the passenger compartment fuse
box.
When installing a fuse make sure the fuse is
installed in the fuse box securely.
ENGINE COMPARTMENT
WARNING
Never use a fuse of a higher or lower
amperage rating than specified on the
fuse box cover. This could damage the
electrical system or electronic control
units or cause a fire.
If any electrical equipment does not come on,
check for an open fuse. 1. Be sure the ignition switch and the headlight switch are OFF.
2. Open the engine hood.
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FUSES
Maintenance and do-it-yourself8-25

3. Remove the fuse box cover by pushing thetab and lifting the cover up.
4. Remove the fuse with the fuse puller. The fuse puller is located in the center of the fuse
block in the passenger compartment.
5. If the fuse is open
A, replace it with a new
fuse
B.
6. If a new fuse also opens, have the electrical system checked and repaired. It is recom-
mended that you visit a NISSAN dealer for
this service.
Fusible links
If the electrical equipment does not operate and
fuses are in good condition, check the fusible
links. If any of these fusible links are melted,
replace with only Genuine NISSAN parts.
PASSENGER COMPARTMENT
WARNING
Never use a fuse of a higher or lower
amperage rating than specified on the
fuse box cover. This could damage the
electrical system or electronic control
units or cause a fire.
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8-26Maintenance and do-it-yourself

If any electrical equipment does not operate,
check for an open fuse.1. Be sure the ignition switch and the headlight switch are OFF.
2. Pull the fuse box cover to remove.
3. Remove the fuse with the fuse puller.
4. If the fuse is open
A, replace it with an
equivalent good fuse
B.
5. Reverse step 2 to reinstall fuse box cover.
6. If a new fuse also opens, have the electrical system checked and repaired. It is recom-
mended that you visit a NISSAN dealer for
this service.Extended storage switch
If any electrical equipment does not operate,
remove the extended storage switch and check
for an open fuse.
NOTE:
The extended storage switch is used for
long term vehicle storage. Even if the ex-
tended storage switch is broken it is not
necessary to replace it. Replace only the
open fuse in the switch with a new fuse.
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Maintenance and do-it-yourself8-27

Removing the headlight bulb
1. Open the hood.
2. Disconnect the negative (-) battery cable.
3. Disconnect the electrical connector from therear end of the bulb. 4. Turn the bulb retaining ring
Acounterclock-
wise until it is free from the headlight reflec-
tor and then remove it.
5. Carefully remove the headlight bulb. Do not shake or rotate the bulb
Bwhen removing
it.
Replacing the headlight bulb
1. Insert the bulb.
DO NOT TOUCH THE BULB WITH BARE
HANDS.
2. Install and tighten the bulb retainer. ●Be sure the lip of the bulb socket con-
tacts the headlight body.
3. Push the electrical connector into the bulb plastic base until it snaps and stops.
4. Connect the negative (-) battery cable.
5. Close the hood.
FOG LIGHTS (if so equipped)
Replacing the fog light bulb
If fog light bulb replacement is required, it is
recommended that you visit a NISSAN dealer for
this service.
CAUTION
● High pressure halogen gas is sealed
inside the halogen bulb. The bulb may
break if the glass envelope is scratched
or the bulb is dropped.
● When handling the bulb, do not touch
the glass envelope.
● Use the same number and wattage as
originally installed as shown in the
chart.
● Do not leave the bulb out of the fog light
for a long period of time as dust, mois-
ture and smoke may enter the fog light
body and affect the performance of the
fog light.
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Maintenance and do-it-yourself8-31

EXTERIOR AND INTERIOR LIGHTS
ItemWattage (W)Bulb No.
Headlight assembly High/Low/Daytime running (Canada only) 60/55HB5
Turn/Park 28/828W8W
Side marker 3.8194
Fog light (if so equipped)* 55H11
Rear combination light Turn 273156AK
Stop/Tail 27/83157KK
Back-up (reversing) 18921
High-mounted stop light/Cargo light* 12.8912
License plate light 5W5W
Map lights (if so equipped) 8—
Vanity mirror light (if so equipped)* ——
Room light 8—
Always check with the Parts Department at a NISSAN dealer for the latest parts information.
* The bulb is not serviceable in vehicle. It is recommended that you visit a NISSAN dealer for this service.
1. Map lights (if so equipped)
2. Room light
3. High-mounted stop light/Cargo light
4. License plate light
5. Rear combination light
6. Fog light (if so equipped)
7. Headlight assembly
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8-32Maintenance and do-it-yourself