air filter NISSAN TITAN 2019 Owner´s Manual

– Stage 1 fuel filter element1“No
Filter/No Run” pin
Ais not dam-
aged. – Stage 2 fuel filter element2sealB
(at bottom of element) is not dam-
aged (seal can be damaged if ele-
ment is installed incorrectly).
– Then repeat the step above.
2. When the engine does start, it may op- erate erratically and with increased
noise levels for a few minutes. This is a
normal condition as air is being re-
moved from the system.
CAUTION
Repeated dry priming may damage the
filter assembly and result in a no-start.
NOTE:
It is possible for a warning or indicator
light to illuminate due to air entering the
fuel system. If this happens, it is recom-
mended that you visit a NISSAN dealer
for service.
LDI3410LDI3411

Low Diesel Exhaust Fluid (DEF)
warning light
When this warning light illuminates, the
DEF fluid needs to be topped off.
For additional information, refer to the “Fuel
and refueling” section of this manual.
Diesel Particulate Filter (DPF)
warning light
When the warning light illuminates, it indi-
cates that particulate matter is accumu-
lated to the specified amount of the limit in
the filter and the filter needs to regenerate.
For additional information, refer to “Diesel
Particulate Filter (DPF)” in the “Maintenance”
section of this manual.
CAUTION
If you continue driving with the DPF
warning light on without performing
the filter regeneration, this will lead to
particle matter overload in the filter. If
this happens, the Malfunction Indicator
Light (MIL) will turn on to indicate the
necessity that a NISSAN or qualified
dealer performs the service regenera-
tion. The performance of the engine
might be limited to protect the DPF
system.
Vehicle information display
The vehicle information display shows vari-
ous meters and gauges that pertain to the
diesel engine. The information that can be
found within the vehicle information dis-
play is as follows:
Exhaust temperature gauge
The exhaust temperature gauge is part of
the Auxiliary Gauges in the vehicle informa-
tion display.
Turbo meter
The turbo meter shows the amount of en-
gine boost.Diesel Exhaust Fluid (DEF) LEVEL
This gauge indicates the level of DEF in the
diesel system.
The DEF LEVEL information screen can be
turned on or off in the vehicle information
display. For additional information, refer to
“How to use the vehicle information dis-
play” in the “Vehicle information display”
section of the Titan Owner’s Manual.
Water in Fuel warning light
If this light illuminates, pull off of the road in
a safe area, stop the engine and immedi-
ately drain the water from the fuel sedi-
ment filter. For additional information, refer
to “Draining water” in the “Do-it-yourself ”
section of this manual.
Malfunction warning light (red)
If the warning light illuminates this indi-
cates either coolant temperature is above
a critical threshold or the exhaust tem-
peratures are above a critical threshold.
When illuminated this lamp indicates the
need to stop the engine as soon as it can
be safely done. The engine must remain
shut down until the engine can be repaired.
Instrument Panel2-3

9. DEF System Error 5MPH Speed LimitSee Dealer
10. Exhaust Filter Overloaded See Owner’s Manual For Drive Pattern
11. Exhaust Filter Regeneration Started
12. Exhaust Filter Overloaded Engine Power Reduced See Owner’s Manual
13. Exhaust Filter Overloaded Immediate Service Required
14. Engine Warming Keep Foot on Brake
15. Engine Shutdown Stop Safely
16. Engine Power Reduced
17. Service Air Filter
18. Engine Oil Service Due XX
19. Coolant Level Low: See Owner’s Manual
20. Low Fuel Pressure: See Owner’s Manual
DEF Low XX% Refill Soon
This message appears when the DEF be-
comes low. It is recommended that the
DEF be topped off. For additional informa-
tion, refer to “Diesel Exhaust Fluid (DEF)” in
the “Fueling and refueling” section of this
manual. DEF Low XX% Limited Engine Power
Soon
This message appears as the DEF be-
comes low. Engine power will be limited
soon. It is recommended that the DEF be
topped off. For additional information, refer
to “Diesel Exhaust Fluid (DEF)” in the “Fueling
and refueling” section of this manual.
DEF Low Limited Engine Power In XX
Miles
This message appears when the DEF be-
comes low. Engine power will be limited in
the approximate distance shown. It is rec-
ommended that the DEF be topped off. For
additional information, refer to “Diesel Ex-
haust Fluid (DEF)” in the “Fueling and refuel-
ing” section of this manual.
DEF Empty 5mph Limit Soon See Own-
er’s Manual
This message appears when the DEF be-
comes empty. It is recommended that the
DEF be refilled as soon as possible. The
following conditions will limit the vehicle
speed when this message is shown:
∙ Engine shutdown and restart
∙ Engine is idled for approximately 1 hour ∙ Control module detects a fuel level in-
crease For additional information, refer
to “Diesel Exhaust Fluid (DEF)” in the “Fu-
eling and refueling” section of this
manual.
DEF Empty Refill DEF See Owner’s
Manual
This message appears when the DEF is
empty and the vehicle speed is reduced to
a maximum of 5 mph. It is recommended
that the DEF be refilled as soon as possible.
For additional information, refer to “Diesel
Exhaust Fluid (DEF)” in the “Fueling and re-
fueling” section of this manual.
DEF System Error See Dealer
This message appears when the DEF sys-
tem encounters an error. It is recom-
mended that you have the system
checked by a NISSAN dealer or other quali-
fied technician. For additional information,
refer to “Diesel Exhaust Fluid (DEF)” in the
“Fueling and refueling” section of this
manual.
Instrument Panel2-5

will be reduced. It is recommended that
you visit a NISSAN dealer or qualified tech-
nician immediately. For additional informa-
tion, refer to “Diesel Particulate Filter (DPF)”
in the “Do-it-yourself ” section of this
manual.
Engine Warming Keep Foot on Brake
This message appears during cold start
conditions when:∙ Brake pedal is depressed
∙ Push-button start button has been pressed
∙ Coolant temperature is below thresh- old
Keep foot on the brake until the engine
starts, which can take up to approximately
4 seconds. For additional information, refer
to “Starting the diesel engine” in the “Start-
ing and stopping the engine” section of this
manual. Engine Shutdown: Stop Safely
This message appears 30 seconds before
the vehicle is shutdown due to an above
normal operating exhaust temperature.
The Malfunction Indicator Light (MIL) and
malfunction warning light (red) will illumi-
nate. It is recommended that you visit a
NISSAN dealer or other qualified technician
immediately.
Engine Power Reduced
This message appears when the engine is
not operating under normal conditions. For
additional information, refer to “Engine Pro-
tection Mode” in the “Introduction” section
of this manual.
Service Air Filter
This warning appears when the air filter
needs to be serviced. For additional infor-
mation, refer to “Air cleaner” in the ”Mainte-
nance” section of the Titan Diesel Owner’s
Manual.Engine Oil Service due XX
This message is a count down of mileage
until the next engine oil service is due. Mile-
age until next required engine oil service
will be displayed by the vehicle information
display and will decrease at a higher rate as
vehicle operation severity (high duty cycle)
increases.
Coolant Level Low: See Owner’s Manual
This warning appears when the coolant
level in the reservoir is below the MIN level.
For additional information, refer to “Engine
Cooling System” in this manual.
Low Fuel Pressure: See Owner’s Manual
This message appears when low fuel pres-
sure has been detected downstream of
the stage 2 fuel filter. This message can
indicate the fuel filters are restricted and
require replacement. It is recommended
that you have the system checked by a
NISSAN dealer or other qualified technician.
Instrument Panel2-7

In order to maintain the proper operation
of a diesel engine, it is important to take
proper care of it, which includes cleaning as
indicated.
CLEANING THE ENGINE
Engines are more efficient when they are
clean because grease and dirt buildup
keep the engine warmer than normal.
When washing:∙ Take care when using a power washer to clean the engine. The high-pressure
fluid could penetrate the sealed parts
and cause damage.
∙ Do not spray a hot engine with cold wa- ter to avoid cracking the engine block or
other engine components.
∙ Spray an engine shampoo and/or degreaser on all parts that require
cleaning and pressure rinse clean.
∙ Never wash or rinse the engine while it is hot or running; water in the running
engine may cause internal damage.
∙ Never wash or rinse any control box electrical connections. ∙ Cover the battery, power distribution
box, and air filter assembly to prevent
water damage when cleaning the en-
gine.
CLEANING THE EXHAUST
The visible holesAin the exhaust system
are functional. The holes need to be kept
clear of mud/debris or foreign material to
maintain proper function of the exhaust
system. Clean and remove debris or for-
eign material if present as needed. Spray-
ing with a hose during regular washing of
vehicle should help keep holes clean and
clear of debris or foreign material.
LCE2252
CLEANING
6-2Vehicle Care

WARNING
∙ Failure to maintain the functionalholes in the exhaust system clean and
free of debris or foreign material may
result in the holes becoming blocked
or plugged. Do not modif y or remove
sections of the exhaust system that
contain these holes. Blocked or
plugged holesor
removal/modification of the system
could result in elevated exhaust gases
or exhaust gas temperatures which
may result in vehicle damage, per-
sonal injury or death.
∙ The normal operating temperature of the exhaust system is very high. Never
work around or attempt to repair any
part of the exhaust system until it has
cooled. Use special care when work-
ing around the diesel oxidation cata-
lytic converter and/or the diesel par-
ticulate filter (DPF). The diesel
oxidation catalytic converter and/or
the DPF heats up to a high tempera-
ture af ter only a short period of en-
gine operation and can stay hot even
af ter the engine is turned off. Failure
to follow these instructions may re-
sult in personal injury. ∙ When cleaning blocked or plugged
holes in the exhaust system, care
should be taken to minimize the
quantity of water entering the ex-
haust system. Excessive water that
enters the exhaust system could
cause damage requiring exhaust sys-
tem to be replaced.
Vehicle Care6-3

7 Do-it-yourself
Engine compartment check locations........... 7-2
Engine cooling system .......................... 7-3
Checking engine coolant level ................ 7-4
Changing engine coolant ..................... 7-4
Engine oil ........................................ 7-5
Checking engine oil level ..................... 7-5
Changing engine oil ..........................7-6
Changing engine oil filter .....................7-8 Fuel filter (CUMMINS 5.0L)
........................ 7-9
Fuel filter replacement (stage 1 and 2) ........ 7-9
Diesel Particulate Filter (DPF) .................... 7-10
Automatic regeneration ......................7-11
Drive belt ........................................7-11
Air cleaner ...................................... 7-12
In-cabin microfilter .......................... 7-12

1. Windshield-washer fluid reservoir
2. Fuse box
3. Fuse/Fusible link box
4. Engine coolant reservoir
5. Fuel filter (Stage 2)
6. Engine oil filler cap
7. Brake fluid reservoir
8. Air cleaner
9. Battery
10. Power steering fluid reservoir
11. Radiator cap
12. Engine oil dipstick
13. Drive belt location
14. Fuse/Fusible link box
15. Battery
Cummins 5.0L
LDI2870
ENGINE COMPARTMENT CHECK
LOCATIONS
7-2Do-it-yourself

AUTOMATIC REGENERATION
Automatic regeneration occurs when the
control module detects the exhaust filter
needs to be cleaned. This is a normal pro-
cess and will not typically require any op-
erator interaction.
If the automatic regeneration is not able to
clean the exhaust filter the vehicle informa-
tion display will display the following mes-
sages in order of severity:∙ Exhaust Filter Overloaded See Owner’s Manual for Drive Pattern
∙ Exhaust Filter Overloaded Engine Power Reduced See Owner’s Manual
∙ Exhaust Filter Overloaded Immediate Service Required
The instructions for these messages in the
“Meters and gauges” section of this manual
will inform the driver to modif y their driving
pattern to enable the automatic regenera-
tion process.
1. Idler pulley
2. Cooling fan pulley
3. Idler pulley
4. Power steering fluid pump pulley
5. Air conditioner compressor pulley
6. Water pump pulley
7. Crankshaf t pulley
8. Automatic belt tensioner pulley
9. Generator pulley
WARNING
To avoid the risk of personal injury, be
sure the ignition switch is in the OFF or
LOCK position before servicing drive
belt. The engine could rotate
unexpectedly.
1. Visually inspect the belt for signs of un- usual wear, cuts, fraying or looseness. If
the belt is in poor condition or is loose,
have it replaced. It is recommended
that you visit a NISSAN dealer for this
service.
2. Have the belt checked regularly for condition and tension in accordance
with the maintenance schedule found
in the Titan Owner’s Manual.
LDI2881
DRIVE BELT
Do-it-yourself7-11

The dry paper type filter element may be
cleaned and reused. Replace it according
to the maintenance log shown in the Titan
Owner’s Manual.
To remove the air cleaner filter:1. Unlatch the clips
Aand move the air
cleaner cover upward.
2. Remove the air cleaner filter.
3. Wipe the inside of the air cleaner filter housing and the cover with a damp
cloth. NOTE:
Af ter installing a new air cleaner filter,
make sure the air cleaner cover is seated
in the housing and latch the clips.
WARNING
∙ Operating the engine with the air
cleaner removed can cause you or
others 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 air intake sys- tem or attempt to start the engine
with the air cleaner removed. Doing so
could result in serious injury.
∙ Do not use starting fluids with this en- gine. The use of starting fluid could
cause an explosion, fire, personal in-
jury, system or engine damage.
CAUTION
∙ Operating the engine with the aircleaner removed can cause damage
to the turbocharger and major engine
damage.
∙ Never pour fuel into the intake or at- tempt to start the engine with the air
cleaner removed. Doing so could re-
sult in engine damage.
IN-CABIN MICROFILTER
The in-cabin microfilter restricts the entry
of airborne dust and pollen particles and
reduces some objectionable outside
odors. The filter is located behind the glove
box. For additional information on change
intervals, refer to “Gasoline standard main-
tenance" or "Diesel standard mainte-
nance" in the "Maintenance and sched-
ules" section of the Titan Owner’s Manual.
If replacement is required, it is recom-
mended that you visit a NISSAN dealer for
this service.
LDI2880
AIR CLEANER
7-12Do-it-yourself