2015 FORD SUPER DUTY oil viscosity

•
A high-pressure fuel rail for each
cylinder bank (2 total)
• Numerous high-pressure pipes from
the high-pressure pump to the rails,
and rails to the injectors
The fuel and water separator removes
both water and impurities from the fuel.
The engine mounted filter filters finer
impurities from the diesel fuel. The
engine-mounted fuel filter and the fuel and
water separator filter should be changed
at the recommended service interval or
when indicated by the information display
LOW FUEL PRESSURE message. Refer to
the scheduled maintenance information
in this supplement for more information.
The fuel and water separator should be
drained at regular intervals (recommended
at every oil change) or when indicated by
the information display and water in fuel
indicator light. See Fuel Quality (page
15).
Proper fuel filter maintenance and prompt
water draining when the water in fuel light
illuminates is essential to prevent injection
equipment damage. Ignoring the water in
fuel light can cause your vehicle to go into
a reduced power mode.
A frame-mounted electric fuel pump
located inside the fuel and water separator
draws fuel from the fuel tank to provide
pressurized fuel to the engine. The fuel
pump contains a pressure relief valve for
overpressure protection in the event of
restricted flow.
The fuel injection system is controlled
through the powertrain control module. Engine protection mode
Ford diesel engines are equipped with
engine protection and emission control
systems. These systems monitor critical
temperatures and pressures, and modify
engine operation accordingly. These
modified engine performance
characteristics are normal.
If these modified engine performance
characteristics persist for an extended
period and either the service engine soon
or powertrain malfunction,reduced power,
electronic throttle control light is
illuminated, have the system checked by
an authorized dealer.
Service engine soon
Powertrain malfunction, reduced
power, electronic throttle control
Lubrication system
It is important to change the engine oil at
the recommended service intervals to
maintain oil viscosity. Extending the oil and
filter change interval beyond the
recommended interval can negatively
affect engine performance, fuel economy
and engine life. See
Engine Oil Check
(page 43).
Fast start glow plug system
The diesel engine glow system consists of:
• Eight glow plugs (one per cylinder)
• Glow Plug Control Module
• Engine Coolant Temperature sensor
• Barometric pressure sensor
• Environmental temperature sensor
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Super Duty (TFA) , enUSA Introduction

Emission Control System(s) Laws
WARNING
Do not remove or alter the original
equipment floor covering or
insulation between it and the metal
floor of the vehicle. The floor covering and
insulation protect occupants of the vehicle
from the engine and exhaust system heat
and noise. On vehicles with no original
equipment floor covering insulation, do not
carry passengers in a manner that permits
prolonged skin contact with the metal
floor. Provide adequate insulation. Failure
to follow these instructions may result in
fire or personal injury. In the U.S. federal law and certain state
laws prohibit removing or rendering
inoperative emission control system(s).
Similar federal or provincial laws may
apply in Canada. Ford recommends
against any vehicle modification without
determining applicable law.
Tampering with emissions
control systems (including
related sensors and the Diesel
Exhaust Fluid (DEF) injection system) can
result in reduced engine power and the
illumination of the service engine soon
light.
Tampering with a Noise Control
System
Federal law prohibits the following acts or
the causing thereof: (1) The removal or
rendering inoperative by any person other
than for purposes of maintenance, repair
or replacement of any device or element
of design incorporated into any new vehicle
for the purpose of noise control prior to its
sale or delivery to the ultimate purchaser
or while it is in use, or (2) the use of the
vehicle after such device or element of
design has been removed or rendered
inoperative by any person. Among those acts, which the U.S.
Environmental Protection Agency may
presume to constitute tampering are the
acts listed below:
•
Removal of hood blanket, fender apron
absorbers, fender apron barriers,
underbody noise shields or acoustically
absorptive material.
• Tampering or rendering inoperative the
engine speed governor, to allow engine
speed to exceed manufacturer ’s
specifications.
The complexity of the diesel engine makes
it so the owner is discouraged from
attempting to perform maintenance other
than the services described in this
supplement.
If you experience difficult starting the
engine, rough idling, excessive exhaust
smoke, a decrease in engine performance
or excess fuel consumption, perform the
following checks:
• A plugged or disconnected air inlet
system or engine air filter element
• Water in the fuel filter and water
separator
• A clogged fuel filter
• Contaminated fuel
• Air in the fuel system, due to loose
connections
• An open or pinched sensor hose
• Check engine oil level
• Wrong fuel or oil viscosity for climactic
conditions
If these checks do not help you correct the
engine performance problem you are
experiencing, consult an authorized dealer.
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Super Duty (TFA) , enUSA Fuel and Refueling

Scheduled Maintenance
The scheduled maintenance services in
the scheduled maintenance information
of this supplement are required because
they are considered essential to the life
and performance of your vehicle. See
General Maintenance Information
(page 59).
Use only recommended fuel, lubricants,
fluids and service parts conforming to Ford
specifications. Motorcraft® parts are
designed and built for best performance
in your vehicle.
ENGINE OIL CHECK
Because it is normal to add some oil
between oil changes, check your engine oil
level each time you stop for fuel. To check
the engine oil level consistently and
accurately, the following procedure is
recommended:
1. Have engine at normal operating temperature (at least into the NORMAL
range on the engine coolant
temperature gauge).
2. Park the vehicle on a level surface, then
turn off the engine and open the hood.
3. Allow at least 20 minutes after engine
shutdown to ensure that the oil
contained in the upper parts of the
engine has returned to the oil pan.
4. Protecting yourself from engine heat, pull out the dipstick, wipe it clean and
reinsert fully.
5. Read oil level on both sides of dipstick
and use highest level (reading) for the
actual engine oil level. 6. Maintain the oil level within the
crosshatch area on the dipstick by
adding oil as required. Do not overfill
the oil past the maximum line as
depicted by the arrow.
Engine Oil Specifications
To help achieve acceptable engine
performance and durability, it is important
that only engine oils of good quality are
used in your diesel engine and it is changed
at the recommended interval. For normal
or severe service, use Motorcraft® oil or an
equivalent oil conforming to Ford
specifications as listed in the Capacities
and Specifications chapter. See
Technical Specifications
(page 57). It
is important to use these oils because they
are compatible with the emission control
equipment of your vehicle to meet the
more stringent emission standards.
The use of correct oil viscosities for diesel
engines is important for satisfactory
operation. Determine which oil viscosity
best suits the temperature range you
expect to encounter for the next service
interval from the following SAE viscosity
grade chart.
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Super Duty (TFA) , enUSA MaintenanceE163369

•
(1) For severe duty service, use SAE
5W-40 API CJ-4.
• (2) For biodiesel fuel blends (B20
max), use SAE 5W-40 or SAE 15W-40
API CJ-4.
An engine block heater is recommended
at temperatures below – 10°F (–23°C). The American Petroleum Institute (API)
service symbol is used to identify the
proper engine oil for your engine. The API
service symbol will be displayeded on the
oil container you purchase. The API symbol
displays the oil performance category in
the top half of symbol and the viscosity
grade in the center of the symbol.
Changing the Engine Oil and Oil
Filter
WARNINGS
Do not handle a hot oil filter with
bare hands.
Continuous contact with used motor
oil has caused cancer in laboratory
mice. Protect your skin by washing
with soap and water. Your vehicle is equipped with an Intelligent
Oil Life Monitor™ that calculates the
proper oil change service interval. When
the information display indicates: OIL
CHANGE REQUIRED, change the engine
oil and oil filter. See the Information
Displays chapter in the Owner's Manual
for more information.
The engine oil filter protects your engine
by filtering harmful, abrasive or sludge
particles and particles significantly smaller
than most available will-fit filters. For
engine oil filter part number, See
Motorcraft Parts (page 55).
To change the engine oil and oil filter:
1. Unscrew the oil filter and oil pan drain plug and wait for the oil to drain.
2. Replace the filter.
3. Reinstall the oil pan drain plug.
4. Refill the engine with new oil. For the proper capacity, See
Technical
Specifications (page 57).
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