Page 461 of 682

CAUTION
Oil level should be checked regularly.
Operating the engine with an insuffi-
cient amount of oil can damage the en-
gine, and such damage is not covered
by warranty.
For additional information on checking the
Cummins 5.0L engine oil level, refer to the
Titan Diesel Owner’s Manual.
CHANGING ENGINE OIL
1. Park the vehicle on a level surface and apply the parking brake. 2. Start the engine and let it idle until it
reaches operating temperature.
3. Turn the engine off and wait more than 15 minutes.
4. Remove the oil filler cap
Aby turning it
counterclockwise.
5. Place a large drain pan under the drain plug
B.
6. Remove the drain plug
Bwith a
wrench by turning it counterclockwise
and completely drain the oil.
If the oil filter is to be changed, remove
and replace it at this time. For addi-
tional information, refer to “Changing
engine oil filter” in this section.
∙ Waste oil must be disposed of prop-
erly.
∙ Check your local regulations.
VK56VD engine
LDI2957
8-8Do-it-yourself
Page 463 of 682

4. Place a large drain pan under the oilfilter
B.
5. Loosen the oil filter with an oil filter wrench by turning it counterclockwise.
Then remove the oil filter by turning it
by hand.
CAUTION
Be careful not to burn yourself. The en-
gine oil may be hot.
6. Wipe the engine oil filter sealing surface with a clean rag.
CAUTION
Be sure to remove any old gasket mate-
rial remaining on the sealing surface of
the engine. Failure to do so could lead to
an oil leak and engine damage.
7. Coat the gasket on the new filter with clean engine oil.
8. Screw on the oil filter until a slight resis- tance is felt, then tighten an additional
2/3 turn.
Oil filter tightening torque:
13 f t-lb (18 N·m) 9. Start the engine and check for leakage
around the oil filter. Correct as required.
10. Install skid plate in reverse order of re- moval.
11. Turn the engine off and wait more than 15 minutes. Check the oil level. Add en-
gine oil if necessary.
Skid plate (Type B) (if so equipped)
LDI2875
Skid plate (Type C) (if so equipped)
LDI2876
VK56VD engine
LDI3294
8-10Do-it-yourself
Page 483 of 682

Replacing the fog light bulb
CAUTION
∙ High pressure halogen gas is sealedinside 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,
moisture and smoke may enter the
fog light body and affect the perfor-
mance of the fog light.
NOTE:
The fog light is accessible in front of the
front tire and behind the bumper. 1. Push the ignition switch to the OFF po- sition and wait 2 minutes.
2. Disconnect the negative (-) battery cable.
3. Disconnect the bulb connector.
4. Rotate the bulb
Acounterclockwise
and remove.
5. Remove by pulling it straight out of the fog light assembly. Do not shake or ro-
tate the bulb when removing it. Do not
touch the glass envelope.
6. Install in the reverse order of removal.
DAYTIME RUNNING LIGHT (DRL) (if
so equipped)
For additional information on the DRL bulb
replacement, refer to the instructions out-
lined in this section.
Fog light (Type B) (if so equipped)
LDI2924
8-30Do-it-yourself
Page 484 of 682
Replacing the daytime running
light bulb (Canada only)
NOTE:
The daytime running light is accessible
in front of the front tire and behind the
bumper.1. Push the ignition switch to the OFF po- sition and wait 2 minutes.
2. Disconnect the negative (-) battery cable. 3. Disconnect the daytime running light
bulb connector.
4. Rotate the daytime running light bulbAcounterclockwise and remove.
5. Remove by pulling it straight out of the fog light assembly. Do not shake or ro-
tate the bulb when removing it. Do not
touch the glass envelope.
6. Install in the reverse order of removal.
Fog light assembly (Type A)
(if so equipped) (Canada only)
LDI2925
Daytime running light (if so equipped) (Canada only)
LDI2954
Do-it-yourself8-31
Page 487 of 682

Replacement procedures
All other lights are either type A, B, C or D.
When replacing a bulb, first remove the
lens, lamp and/or cover.
Indicates bulb removal
Indicates bulb installationNOTE:
Rear combination light (Type B) (if so
equipped) bulb replacement procedure
is shown. Rear combination light (Type A)
(if so equipped) bulb replacement proce-
dure is similar.
To replace the rear combination light bulbs
perform the following procedure:
1. Remove the two fasteners
Aand pull
the rear combination light away from
the vehicle. 2. Remove harness connector and rotate
stop light bulb
Bcounterclockwise to
remove. Replace bulb if necessary.
3. Rotate reverse light bulb socket
C
counterclockwise to remove. Replace
bulb if necessary.
4. Rotate cargo (tailgate) light bulb socket
D(if so equipped) counterclockwise to
remove. Replace bulb if necessary.
5. Rotate turn/tail light bulb socket
E
counterclockwise to remove. Replace
bulb if necessary.
Reverse steps to install bulbs and rear
combination light.
WDI0263
Rear combination light
LDI2951
Rear combination light
LDI2952
8-34Do-it-yourself
Page 551 of 682
Install the tie-down cleat as follows:1. Remove the channel protectors by slid- ing them out the back of the truck bed.
Properly store the channel protectors.
2. Loosen the center bolt completely.
3. Insert the cleat into the channel per-pendicular to the channel as shown.
Then rotate the cleat clockwise 90° and
slide it to the desired location.
Type A cleat (if so equipped)
LTI2185
Type B cleat (if so equipped)
LTI0103
10-28Technical and consumer information
Page 612 of 682

3. Disconnect the harness connectorD
from the mass air flow sensor1.
4. Disconnect the harness connector
E
from the turbocharger compressor in-
take pressure/temperature sensor
2.
5. Clean the area around the fuel filter (Stage 2).
6. Remove the air cleaner lid and air inlet connection air ducts.
CAUTION
∙ Cap or wrap the air inlet ducts withsuitable material to avoid dirt or con-
taminants from entering the air inlet
system or engine.
∙ If step 6 is not performed, the fuel fil- ter element (Stage 2) cannot be in-
stalled correctly and will likely dam-
age the fuel filter element (Stage 2)
inner seal and can cause DTC’s to set
and/or a no-start condition.
7. Remove the cover
Afrom the stage 2
fuel filter by rotating counter-clockwise.
NOTE:
Remove the cover slowly to avoid fuel
spillage. 8. Remove the fuel filter element
Cfrom
the cover by hand. 9. Inspect the fuel filter element (Stage 2
3) to verif y the inner sealFis present.
If inner seal is missing from the filter
element proceed to step 10.
LDI3407LDI3408
Page 615 of 682

DRAINING WATER
WARNING
To avoid the risk of personal injury or
fire, drain diesel fuel into an approved
container and safely dispose of in ac-
cordance with local environmental
regulations.
CAUTION
Continuing vehicle operation without
properly draining could cause serious
damage to the engine.1. Shut the engine off.
2. Place a large drain pan under the drain
valve
A.
3. Turn the drain valve counterclockwise
1/4 turn to open.
4. Drain the filter sump until clear fuel is visible. If draining the stage 1 fuel filter
housing, drain until fuel reduces to a
trickle.
5. Turn the drain valve clockwise1/4 turn
to close.
FUEL SYSTEM PRIMING
WARNING
The fuel pump, high-pressure fuel lines,
and fuel rail contain very high-pressure
fuel. To reduce the possibility of per-
sonal injury, never loosen any fittings
while the engine is running. NOTE:
∙ It is not necessary to vent air from the
high-pressure fuel system before
starting the engine.
∙ Upon ignition on the electric lif t pump
will run until the fuel system is primed
or 90 seconds, whichever comes first.
Af ter a filter change or running the fuel tank
dry, complete the following: 1. Key ON vehicle for 90 seconds to prime the fuel system. Af ter 90 seconds, crank
the engine for a maximum of 30 sec-
onds or until the engine fires. If it does
not fire, verif y the following.
– Confirm fuel level is not empty.
– Water in fuel drain valve is closed.
– Stage 1 filter housing shell is fully seated on module and stage 2 cap is
properly seated on module.
– Stage 1 shell O-ring and stage 2 cap O-ring are properly installed and not
damaged.
LDI2898