Off-road operation
Inspect steering linkage, ball joints and U-joints, Lubricate
if equipped with grease fittings.
Inspect frequently, service
as required
Replace engine air filter.
Change engine oil and filter.
Every 5000 miles (8000
km) or six months
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Rotate tires*
, inspect tires for wear and measure tread
depth.
Replace front wheel bearing grease and grease seals if
non-sealed bearings are used.
Every 30000 miles (48000
km)
* Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels
only if unusual wear is noted.
Diesel Engine
If you operate your vehicle primarily in any
of the following conditions, you need to
perform extra maintenance as indicated.
If you operate your vehicle
occasionally
under any of these conditions, it is not
necessary to perform the extra
maintenance. For specific
recommendations, see your dealership
service advisor or technician. Towing a trailer
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
As required
See the axle maintenance items under
Exceptions.
Inspect the coolant concentration (freeze-point protec-
tion) and additive (corrosion inhibitor) strength. Add
engine coolant additive if necessary.
Every 15000 miles (24000
km) or 600 engine hours
328
F650750 (TBC), enUSA, First Printing Scheduled Maintenance
Sustained high-speed driving at gross vehicle weight rating (maximum loaded weight
for vehicle operation)
Replace the wheel bearing grease and grease seals if using
non-sealed bearings.
Every 30000 miles (48000
km)
Flush and refill the engine coolant. Do not add engine
coolant additive.
Every 60000 miles (96000
km) or 2400 engine hours
Note: When adding coolant additive, do not exceed the specified maximum of 48 fluid
ounces (1.4 liters). Operating the engine with excessive coolant additive may cause
overheating which could lead to severe, permanent engine damage.
Note: After the initial coolant flush and fill at 60000 miles (96000 kilometers) or 2400
engine hours, flush and fill every 45000 miles (72000 kilometers) or 1800 engine hours
thereafter. Operating in sustained ambient temperatures below -10°F (-23°C) or above 100°F (38°C)
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
As required
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15000 miles (24000
km), six months, 600 engine
hours, or as indicated by the
information display
Replace the wheel bearing grease and grease seals if using
non-sealed bearings.
Every 30000 miles (48000
km) Operating in dusty or sandy conditions (such as unpaved or dusty roads)
Rotate the tires*
, inspect the tires for wear and measure
tread depth.
Every 7500 miles (12000
km)
Inspect the brake system pads and rotors.
Inspect the air filter restriction gauge. Replace the filter if
necessary.
Inspect the steering and suspension ball joints and tie rods.
Lubricate any grease fittings.
Change the engine oil and filter. **
Every 7500 miles (12000
km), six months or 300
engine hours Inspect and lubricate the U-joints.
331
F650750 (TBC), enUSA, First Printing Scheduled Maintenance
Operating in dusty or sandy conditions (such as unpaved or dusty roads)
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15000 miles (24000
km), six months, 600 engine
hours, or as indicated by the
information display
Replace the air inlet foam filter.
Every 30000 miles (48000
km)
Replace the wheel bearing grease and grease seals if using
non-sealed bearings.
* Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels
only if unusual wear is noted.
** Reset the Intelligent Oil-Life Monitor after engine oil and filter changes. Off-road operation
Inspect functional holes in each leg of the twin exhaust
tips and the holes under the shield just inboard of the right
rear tire to make sure they are clean and clear of debris or
foreign materials. Refer to the Vehicle Care chapter of your
owner ’s manual for more information.
As required
Inspect the steering and suspension ball joints and tie rods.
Lubricate any grease fittings.
Rotate the tires*
, inspect the tires for wear and measure
tread depth.
Every 7500 miles (12000
km), six months or 300
engine hours
Inspect the brake system pads and rotors.
Inspect the air filter restriction gauge. Replace the filter if
necessary.
Change the engine oil and filter. **
Every 7500 miles (12000
km) or 300 engine hours
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15000 miles (24000
km), six months, 600 engine
hours, or as indicated by the
information display
332
F650750 (TBC), enUSA, First Printing Scheduled Maintenance
Starting and Stopping the Engine...........84
General Information........................................... 84
Steering............................................................136
Steering System Inspection.....................222
Hydraulic System............................................... 222
Steering Column Joint Bolts........................... 222
Steering Wheel
...............................................44
Storage Compartments..............................83
Sun Visors.........................................................53
Slide-on-rod........................................................... 53
Suspension System Inspection
..............222
Switching Off the Engine............................88
Symbols Glossary
...........................................10
SYNC™............................................................279 General Information.......................................... 279
SYNC™ Troubleshooting
.........................304
T
Technical Specifications See: Capacities and Specifications.............251
The Better Business Bureau (BBB) Auto Line Program (U.S. Only).......................158
Tire Care
..........................................................232
Glossary of Tire Terminology......................... 232
Information Contained on the Tire Sidewall............................................................ 232
Tires See: Wheels and Tires...................................... 232
Towing a Trailer
.............................................140
Load Placement................................................. 140
Towing..............................................................140
Traction Control
.............................................132
Principle of Operation....................................... 132
Trailer Brakes..................................................128 Trailer Air Supply and Parking Brake
Modular Controls........................................... 128
Trailer Brake Hand Control.............................. 128
Transmission Code Designation............255
Transmission...................................................113
Transmission See: Transmission................................................ 113Transporting the Vehicle............................143
Towing the Vehicle with the Front Wheels
Suspended....................................................... 143
Towing the Vehicle with the Rear Wheels Suspended....................................................... 143
Towing Vehicles Equipped with a Driver-controlled Differential Lock.........144
U
Under Hood Overview - 6.7L Diesel.............................................................184
Under Hood Overview - 6.8L...................183
USB Port
..........................................................277
Using Cruise Control....................................134
Switching Cruise Control Off.......................... 135
Switching Cruise Control On.......................... 134
Using Snow Chains.....................................246
Using SYNC™ With Your Media Player............................................................295
Accessing Your Play Menu............................. 300
Connecting Your Digital Media Player to the USB Port.......................................................... 295
Media Menu Features...................................... 298
Media Voice Commands................................. 297
System Settings................................................. 302
What's Playing?................................................. 296
Using SYNC™ With Your Phone............283 Accessing Features Through the Phone
Menu................................................................. 288
Accessing Your Phone Settings..................... 291
Making a Call...................................................... 286
Pairing a Cell Phone for the First Time................................................................... 283
Pairing Subsequent Cell Phones.................284
Phone Options during an Active Call.........286
Phone Voice Commands................................ 285
Receiving Calls................................................... 286
System Settings................................................. 292
Text Messaging.................................................. 289
Using Traction Control - Vehicles With: Air Brakes......................................................132
System Indicator Light...................................... 132
Using Traction Control - Vehicles With: Hydraulic Brakes
.........................................132
System Indicator Light...................................... 133
374
F650750 (TBC), enUSA, First Printing Index
Using Voice Recognition............................281
Initiating a Voice Session................................. 281
System Interaction and Feedback..............282
Utilizing the Mediation/Arbitration Program (Canada Only).........................158
V
Vehicle Care...................................................225 General Information.......................................... 225
Vehicle Certification Label.......................255
Vehicle Identification Number................254
Vehicle Inspection Guide.............................171
Vehicle Inspection Information.................171 Trailer....................................................................... 178
Transmission........................................................ 178
Vehicle Storage
.............................................229
Battery................................................................... 230
Body........................................................................\
229
Brakes.................................................................... 230
Cooling system................................................... 230
Engine.................................................................... 230
Fuel system.......................................................... 230
General.................................................................. 229
Miscellaneous..................................................... 230
Removing Vehicle From Storage.................230
Tires........................................................................\
230
Ventilation See: Climate Control........................................... 70
VIN See: Vehicle Identification Number............254
Voice Control
...................................................45 W
Warning Lamps and Indicators................58
Anti-Lock Braking System................................ 58
Automatic Regeneration Control................... 58
Battery...................................................................... 58
Brake System......................................................... 58
Check Fuel Cap (Gasoline Engine Only).................................................................... 58
Check Suspension............................................... 58
Cruise Control........................................................ 58
Diesel Exhaust Fluid (Diesel Engine Only).................................................................... 58
Diesel Particulate Filter (Diesel Engine Only).................................................................... 59
Direction Indicator............................................... 59
Door Ajar.................................................................. 59
Electronic Locking Differential........................ 59
Engine Oil Pressure (Gasoline Engine Only).................................................................... 59
Exhaust Brake On................................................ 59
Fasten Safety Belt............................................... 59
High Beam.............................................................. 59
Hydromax............................................................... 59
Low Fuel Level (Gasoline Engine Only).................................................................... 59
Parking Brake Warning....................................... 59
Powertrain Malfunction/Reduced Power/Electronic Throttle Control
(Gasoline Engine Only)................................ 60
Service Engine Soon........................................... 60
Traction Control (Diesel Engine Only).........60
Trailer Anti-Lock Brake System (ABS).................................................................. 60
Transmission Tow/Haul.................................... 60
Two Speed Axle................................................... 60
Wait to Start (Diesel Engine Only)................60
Water in Fuel (Diesel Engine Only)................61
Washer Fluid Check....................................202
Washers See: Cleaning the Exterior.............................. 225
See: Wipers and Washers................................. 46
Waxing.............................................................226
Wheel Nuts See: Changing a Road Wheel........................ 247
Wheels and Tires.........................................232 Technical Specifications................................. 249
Windows and Mirrors...................................50
375
F650750 (TBC), enUSA, First Printing Index