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ENGINE BREAK-IN RECOMMENDATIONS
The diesel engine does not require a break-in period due
to its construction. Normal operation is allowed, provid-
ing the following recommendations are followed:
•Warm up the engine before placing it under load.
• Do not operate the engine at idle for prolonged
periods.
• Use the appropriate transmission gear to prevent
engine lugging.
• Observe vehicle oil pressure and temperature indica-
tors.
• Check the coolant and oil levels frequently.
• Vary accelerator pedal position at highway speeds
when carrying or towing significant weight. NOTE:
Light duty operation such as light trailer towing
or no load operation will extend the time before the
engine is at full efficiency. Reduced fuel economy and
power may be seen at this time.
The engine oil installed in the engine at the factory is a
high-quality energy conserving type lubricant. Oil
changes should be consistent with anticipated climate
conditions under which vehicle operations will occur.
The recommended viscosity and quality grades are
shown under “Fluids, Lubricants and Genuine Parts”,
under “Maintaining Your Vehicle” in this manual. NON-
DETERGENT OR STRAIGHT MINERAL OILS MUST
NEVER BE USED.
8 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE
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Transmission Temperature Warning Light
Red TelltaleLight What It Means
Transmission Temperature Warning Light
This light indicates that the transmission fluid temperature is running hot. This may occur with
severe usage. If this light turns on, safely pull over and stop them vehicle. Then, shift the trans-
mission into NEUTRAL and run the engine at idle or faster until the light turns off.
CAUTION!
Continuous driving with the Transmission Tempera-
ture Warning Light illuminated will eventually cause
severe transmission damage or transmission failure.
WARNING!
If you continue operating the vehicle when the
Transmission Temperature Warning Light is illumi-
nated you could cause the fluid to boil over, come in
contact with hot engine or exhaust components and
cause a fire.
4
UNDERSTANDING YOUR INSTRUMENT PANEL 23
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Transmission Fault Warning Light
Red TelltaleLight What It Means
Transmission Fault Warning Light
This light will illuminate (together with a message in the EVIC and a buzzer) to indicate a
transmission fault. Contact your authorized dealer if the message remains after restarting the
engine.
Oil Temperature Warning Light
Red Telltale
Light What It Means
Oil Temperature Warning Light
This telltale indicates engine oil temperature is high. If the light turns on while driving, stop the
vehicle and shut off the engine as soon as possible.
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Glow Plug Indicator Light — If Equipped
Yellow TelltaleLight What It Means
Glow Plug Indicator Light
This vehicle will inhibit engine cranking when the transmission oil temperature is less than
–22° F (–30° C) and the oil temperature sensor reading indicates an engine block heater has
not been used. The Glow Plug light will flash during in cold weather for up to 10 seconds.
An externally powered electric engine block heater is available as optional equipment or
from your authorized dealer.
Turning the ignition key to the ON/RUN position illuminates the Glow Plug Light, the light
will turn off when glow plugs reach the established temperature. You can start the engine
immediately after the light turns off.
A blinking Glow Plug Light (together with a display message) indicates a failure on glow
plugs. Please see your authorized dealer as soon as possible.
42 UNDERSTANDING YOUR INSTRUMENT PANEL
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WARNING!(Continued)
•When leaving the vehicle, always remove the key
fob and lock your vehicle.
• Never leave children alone in a vehicle, or with
access to an unlocked vehicle. Allowing children to
be in a vehicle unattended is dangerous for a
number of reasons. A child or others could be
seriously or fatally injured. Children should be
warned not to touch the parking brake, brake pedal
or the gear selector/shift lever. Do not leave the key
fob in or near the vehicle (or in a location accessible
to children), A child could operate power windows,
other controls, or move the vehicle.
Extreme Cold Weather
This vehicle has three heating elements; one engine block
heater (a resistance heater installed in the water jacket of
the engine) and two transmission heaters (one resistance heater installed under the oil reservoir of the hydraulic
actuation system and one on the differential cover of the
transmission). They require a 110–115 Volt AC electrical
outlet with a grounded, three-wire extension cord. Their
use is recommended for environments that routinely fall
below -10°F (-23°C). They should be used when the
vehicle has not been running overnight or longer periods
and should be plugged in two hours prior to start. Their
use is required for cold starts with temperatures under
-17°F (-27°C).
NOTE:
The engine is designed to work at an ambient
temperature ranging from -22°F to + 122°F (-30°C to +
50C°). Rubber, pipes, timing belt cover and electronic
devices are not designed to work out of this range.
In the case of LOW temperature after Starting, the Auto-
mated Manual Transmission may not be able to engage
first gear. In this case a message Shift not allowed
appears. In this situation use the engine block heater.
56 STARTING AND OPERATING
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NOTE:The engine and transmission block heater cord is
a factory installed option. If your vehicle is not equipped,
heater cords are available from your authorized MOPAR
dealer.
• A 12 Volt heater built into the fuel filter housing aids in
preventing fuel gelling. It is controlled by a built-in
thermostat.
• A Diesel Pre-Heat system both improves engine start-
ing and reduces the amount of white smoke generated
by a warming engine.
NORMAL OPERATION
Observe the following when the diesel engine is operating.
• All message center lights are off.
• Malfunction Indicator Light (MIL) is off.
• Generic Warning Light is off.
• Engine Oil Pressure telltale is not illuminated.
Cold Weather Precautions
Operation in ambient temperature below 32°F (0°C) may
require special considerations. The following charts sug-
gest these options:
Fuel Operating Range
NOTE: Use “Ultra Low Sulfur Diesel Fuels” ONLY.
*No. 1 Ultra Low Sulfur Diesel Fuel should only be used
where extended arctic conditions (-10°F/-23°C) exist.
Fuel Operating Range Chart
5
STARTING AND OPERATING 57
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NOTE:
•Use of Climatized Ultra Low Sulfur Diesel Fuel or
Number 1 Ultra Low Sulfur Diesel Fuel results in a
noticeable decrease in fuel economy.
• Climatized Ultra Low Sulfur Diesel Fuel is a blend of
Number 2 Ultra Low Sulfur and Number 1 Ultra Low
Sulfur Diesel Fuels which reduces the temperature at
which wax crystals form in fuel.
• The fuel grade should be clearly marked on the pump
at the fuel station.
• The engine requires the use of “Ultra Low Sulfur
Diesel Fuel”. Use of incorrect fuel could result in
engine and exhaust system damage. Refer to “Fuel
Requirements” in “Starting And Operating” for fur-
ther information.
• Commercially available fuel additives are not neces-
sary for the proper operation of your diesel engine. However, if seasonably adjusted fuel is not available
and you are operating below 20°F (-6°C), Mopar
Premium Diesel Fuel Treatment (or equivalent) may be
beneficial to avoid fuel gelling.
Engine Oil Usage
Refer to “Maintenance Procedures” in “Maintaining Your
Vehicle” for the correct engine oil viscosity.
Engine Warm-Up
Avoid full throttle operation when the engine is cold.
When starting a cold engine, bring the engine up to
operating speed slowly to allow the oil pressure to
stabilize as the engine warms up.
If temperatures are below 32°F (0°C), operate the engine
at moderate speeds for five minutes before full loads are
applied.
58 STARTING AND OPERATING
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Engine Idling
Avoid prolonged idling, long periods of idling may be
harmful to your engine because combustion chamber
temperatures can drop so low that the fuel may not burn
completely. Incomplete combustion allows carbon and
varnish to form on piston rings, cylinder head valves,
and injector nozzles. Also, the unburned fuel can enter
the crankcase, diluting the oil and causing rapid wear to
the engine.
Stopping The Engine
Idle the engine a few minutes before routine shutdown.
After full load operation, idle the engine three to five
minutes before shutting it down. This idle period will
allow the lubricating oil and coolant to carry excess heat
away from the combustion chamber, bearings, internal
components, and turbocharger. This is especially impor-
tant for turbocharged diesel engines.
NOTE:Refer to the following chart for proper engine
shutdown.
Driving
Condition LoadTurbo-
charger
Tempera- ture Idle Time
(min.)
Before
Engine
Shutdown
Stop and Go Empty Cool Less than
One
Stop and Go Medium
One
Highway Speeds Medium Warm Two
City Traffic Maximum GCWR Three
Highway Speeds Maximum
GCWR Four
Uphill Grade Maximum
GCWR Hot Five
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