Page 654 of 682
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
Page 656 of 682

The engine cooling system is filled at the
factory with a pre-diluted mixture of 50%
Genuine NISSAN Long Life
Antifreeze/Coolant (blue) and 50% water to
provide year-round antifreeze and coolant
protection. The antifreeze solution con-
tains rust and corrosion inhibitors. Addi-
tional engine cooling system additives are
not necessary.
WARNING
∙ Never remove the radiator or coolantreservoir cap when the engine is hot.
Wait until the engine and radiator cool
down. Serious burns could be caused
by high pressure fluid escaping from
the radiator. For additional informa-
tion on precautions, refer to “If your
vehicle overheats” in the “In case of
emergency ” section of the Titan Own-
er’s Manual.
∙ The radiator is equipped with a pres- sure type radiator cap. To prevent en-
gine damage, use only a Genuine
NISSAN radiator cap.
CAUTION
∙ Never use any cooling system addi-tives such as radiator sealer. Additives
may clog the cooling system and
cause damage to the engine, trans-
mission and/or cooling system.
∙ When adding or replacing coolant, be sure to use only Genuine NISSAN Long
Life Antifreeze/Coolant (blue) or
equivalent. Genuine NISSAN Long Life
Antifreeze/Coolant (blue) is pre-
diluted to provide antifreeze protec-
tion to -34° F (-37° C). If additional
freeze protection is needed due to
weather where you operate your ve-
hicle, add Genuine NISSAN Long Life
Antifreeze/Coolant (blue) concen-
trate following the directions on the
container. If an equivalent coolant
other than Genuine NISSAN Long Life
Antifreeze/Coolant (blue) is used, fol-
low the coolant manufacturer’s in-
structions to maintain minimum anti-
freeze protection to -34° F (-37° C). The
use of other types of coolant solu-
tions other than Genuine NISSAN Long
Life Antifreeze/Coolant (blue) or
equivalent may cause severe engine
damage. ∙ The life expectancy of the factory-fill
coolant is 45,000 miles (78,000 km) or
3 years. Mixing any other type of cool-
ant other than Genuine NISSAN Long
Life Antifreeze/Coolant (blue), includ-
ing Genuine NISSAN Long Life
Antifreeze/Coolant (green), or the use
of non-distilled water will reduce the
life expectancy of the factory-fill cool-
ant. For additional information, refer
to the Titan Owner’s Manual.
∙ Use Nitrite Free Coolant or equivalent. The use of coolant containing Nitrites,
could cause severe engine damage.
ENGINE COOLING SYSTEM
Do-it-yourself7-3
Page 657 of 682

CHECKING ENGINE COOLANT
LEVEL
Check the coolant levelin the reservoir
when the engine is cold. If the coolant
level is below the MIN level
B, add coolant
to the MAX level
A. If the reservoir is empty,
check the coolant level in the radiator
when the engine is cold. If there is insuffi-
cient coolant in the radiator, fill the radiator
with coolant up to the filler opening and
also add it to the reservoir up to the MAX
level
A.
This vehicle contains Genuine NISSAN Long
Life Antifreeze/Coolant (blue). The life ex- pectancy of the factory-fill coolant is
45,000 miles (78,000 km) or 3 years. Mixing
any other type of coolant or the use of
non-distilled water may reduce the life ex-
pectancy of the factory-fill coolant. For ad-
ditional information, refer to the Titan Own-
er’s Manual.
CAUTION
Never use any cooling system additives
such as radiator sealer. Additives may
clog the cooling system and cause
damage to the engine, transmission
and/or cooling system.
If the cooling system frequently requires
coolant, have it checked. It is recom-
mended that you visit a NISSAN dealer
for this service.
For additional information on the location
of the engine coolant reservoir, refer to “En-
gine compartment check locations” in this
section.
CHANGING ENGINE COOLANT
A NISSAN dealer can change the engine
coolant. The service procedure can be
found in the NISSAN Service Manual. Improper servicing can result in reduced
heater performance and engine over-
heating.
WARNING
∙ To avoid the danger of being scalded,
never change the coolant when the
engine is hot.
∙ Never remove the radiator or engine coolant reservoir cap when the en-
gine is hot. Serious burns could be
caused by high pressure fluid escap-
ing from the radiator.
∙ Avoid direct skin contact with used coolant. If skin contact is made, wash
thoroughly with soap or hand cleaner
as soon as possible.
∙ Keep coolant out of the reach of chil- dren and pets.
Engine coolant must be disposed of prop-
erly. Check your local regulations.
LDI2871
7-4Do-it-yourself
Page 664 of 682

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
Page 674 of 682

9 Index
A
Air cleaner ...................7-12
Air cleaner housing filter ...........7-12
B
Belt(Seedrivebelt)..............7-11
C
Capacities and recommended fuel/
lubricants....................8-2
Coolant Capacities and recommended
fuel/lubricants...............8-2
Changing engine coolant ........7-4
Checking engine coolant level .....7-4
D
Diesel Particulate Filter
(DPF) ..........2-3,2-5,2-5,2-6,2-7,7-10
Drivebelt ....................7-11 E
Engine Capacities and recommended
fuel/lubricants...............8-2
Changing engine coolant ........7-4
Changing engine oil ............7-6
Changing engine oil filter .........7-8
Checking engine coolant level .....7-4
Checking engine oil level .........7-5
Engine compartment check
locations...................7-2
Engine cooling system ..........7-3
Engine oil ..................7-5
Engine oil and oil filter
recommendation .............8-5
Engine oil viscosity ............8-6
Engine specifications ...........8-7
Engine Block Heater ..............3-4
F
Fluid Capacities and recommended
fuel/lubricants...............8-2
Engine coolant ...............7-3
Engine oil ..................7-5 Fuel
Capacities and recommended
fuel/lubricants...............8-2
Fuel recommendation ..........8-3
Fuel-filler door ...............4-2,4-2
Fuel filter (CUMMINS 50L) ...........7-9
I
In-cabinmicrofilter..............7-12
J
Jumpstarting..................5-2
O
Oil Capacities and recommended
fuel/lubricants...............8-2
Changing engine oil ............7-6
Changing engine oil filter .........7-8
Checking engine oil level .........7-5
Engine oil ..................7-5
Engine oil and oil filter
recommendation .............8-5
Engine oil viscosity ............8-6