Page 445 of 546
MAINTAINING YOUR VEHICLE
CONTENTS
ENGINE COMPARTMENT — 5.7L ..........445
ENGINE COMPARTMENT — 6.4L ..........446
ONBOARD DIAGNOSTIC SYSTEM (OBD II) . . .447
▫ Loose Fuel Filler Cap Message ............447
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS ......................... .448
REPLACEMENT PARTS ..................449
DEALER SERVICE ..................... .449
MAINTENANCE PROCEDURES ...........450
▫ Engine Oil ......................... .451▫
Engine Oil Filter ..................... .454
▫ Engine Air Cleaner Filter ................454
▫ Maintenance-Free Battery ...............455
▫ Air Conditioner Maintenance .............456
▫ Front Prop Shaft Lubrication — Four-Wheel Drive
Models ............................ .457
▫ Body Lubrication .....................457
▫ Windshield Wiper Blades ...............457
▫ Adding Washer Fluid ..................458
▫ Exhaust System ..................... .459
7
Page 449 of 546

ONBOARD DIAGNOSTIC SYSTEM (OBD II)
Your vehicle is equipped with a sophisticated onboard
diagnostic system called OBD II. This system monitors
the performance of the emissions, engine, and automatic
transmission control systems. When these systems are
operating properly, your vehicle will provide excellent
performance and fuel economy, as well as engine emis-
sions well within current government regulations.
If any of these systems require service, the OBD II system
will turn on the “Malfunction Indicator Light (MIL).” It
will also store diagnostic codes and other information to
assist your service technician in making repairs. Al-
though your vehicle will usually be drivable and not
need towing, see your authorized dealer for service as
soon as possible.
CAUTION!
•Prolonged driving with the MIL on could cause
further damage to the emission control system. It
could also affect fuel economy and driveability.
The vehicle must be serviced before any emissions
tests can be performed.
• If the MIL is flashing, while the engine is running,
severe catalytic converter damage and power loss
will soon occur. Immediate service is required.
Loose Fuel Filler Cap Message
If the vehicle diagnostic system determines
that the fuel filler cap is loose, improperly
installed, or damaged, a loose gascap indicator
will display in the EVIC telltale display area.
Refer to “Electronic Vehicle Information Center (EVIC) in7
MAINTAINING YOUR VEHICLE 447
Page 450 of 546

“Understanding Your Instrument Panel” for further in-
formation. Tighten the fuel filler cap properly and press
the SELECT button to turn off the message. If the
problem continues, the message will appear the next time
the vehicle is started.
A loose, improperly installed, or damaged fuel filler cap
may also turn on the Malfunction Indicator Light (MIL).
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS
In some localities, it may be a legal requirement to pass
an inspection of your vehicle’s emissions control system.
Failure to pass could prevent vehicle registration.For states that require an Inspection and Mainte-
nance (I/M), this check verifies the “Malfunction
Indicator Light (MIL)” is functioning and is not
on when the engine is running, and that the OBD II
system is ready for testing. Normally, the OBD II system will be ready. The OBD II
system may
notbe ready if your vehicle was recently
serviced, recently had a dead battery or a battery replace-
ment. If the OBD II system should be determined not
ready for the I/M test, your vehicle may fail the test.
Your vehicle has a simple ignition actuated test, which
you can use prior to going to the test station. To check if
your vehicle’s OBD II system is ready, you must do the
following:
1. Cycle the ignition switch to the ON position, but do not crank or start the engine.
NOTE: If you crank or start the engine, you will have to
start this test over.
2. As soon as you cycle the ignition switch to the ON position, you will see the MIL symbol come on as part
of a normal bulb check.
448 MAINTAINING YOUR VEHICLE
Page 455 of 546

CAUTION!
Do not use chemical flushes in your engine oil as the
chemicals can damage your engine. Such damage is
not covered by the New Vehicle Limited Warranty.
Engine Oil Viscosity — 5.7L Engine
MOPAR SAE 5W-20 engine oil or equivalent Pennzoil®
or Shell Helix® is recommended for all operating tem-
peratures. This engine oil improves low temperature
starting and vehicle fuel economy.
For information on engine oil filler cap location, refer to
“Engine Compartment” in “Maintaining Your Vehicle”
for further information.
Lubricants which do not have both the engine oil certi-
fication mark and the correct SAE viscosity grade num-
ber should not be used.NOTE:
For trucks with a 5.7L engine operating under a
gross combined weight rating of 14,000 lbs (6 350 kg) or
greater, MOPAR SAE 5W-30 engine oil or equivalent
Pennzoil® or Shell Helix® is recommended for all oper-
ating temperatures.
Engine Oil Viscosity — 6.4L Engine
Use Pennzoil Ultra™ 0W–40 engine or equivalent
MOPAR® oil meeting the Chrysler Material Standard
MS-12633 for use in all operating temperatures.
The engine oil filler cap also shows the recommended
engine oil viscosity for your engine. For information on
engine oil filler cap location, refer to the “Engine Com-
partment” in this section.
7
MAINTAINING YOUR VEHICLE 453
Page 505 of 546
FLUID CAPACITIES
U.S.Metric
Fuel (Approximate) Standard Rear Tank 52 Gallons197 Liters
Optional Midship Tank 22 Gallons83 Liters
Engine Oil With Filter
5.7L Engine (SAE 5W-20, API Certified) 7 Quarts6.6 Liters
6.4L Engine (SAE 0W-40, Synthetic API Certified) 7 Quarts6.6 Liters
Cooling System
5.7L Engine (MOPAR® Antifreeze/Coolant 10 Year/150,000 Mile Formula). 18.7 Quarts
17.7 Liters
6.4L Engine (MOPAR® Antifreeze/Coolant 10 Year/150,000 Mile Formula). 18.7 Quarts
17.7 Liters
7
MAINTAINING YOUR VEHICLE 503
Page 528 of 546

Adding Engine Coolant (Antifreeze)............463
Adding Fuel ............................ .385
Additives, Fuel .......................... .383
Adjustable Pedals ........................ .166
Airbag ..................................64
Airbag Deployment ........................70
Airbag Light .............................68
Airbag Maintenance ........................71
Airbag, Side ..............................67
Airbag, Window (Side Curtain) ................67
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . .454
Air Conditioner Maintenance .................456
Air Conditioning ......................... .269
Air Conditioning Controls ...................269
Air Conditioning, Operating Tips ..............288
Air Conditioning Refrigerant .................456
Air Conditioning System ....................269
Air Pressure, Tires ........................ .357
Alarm Light ............................ .205Alarm, Panic
.............................27
Alarm (Security Alarm) ......................21
Alarm System (Security Alarm) ................21
Alterations/Modifications, Vehicle ...............7
Antifreeze (Engine Coolant) ..................462
Capacities ........................... .503
Disposal ............................. .466
Anti-Lock Brake System (ABS) ................333
Anti-Lock Warning Light ....................200
Appearance Care ........................ .477
Ashtray ............................... .180
Auto Down Power Windows ..................45
Automatic Door Locks ......................37
Automatic Headlights ..................... .151
Automatic High Beams .....................153
Automatic Transmission ....................474
Adding Fluid ......................... .476
Fluid and Filter Changes ..................477
Fluid Level Check ...................... .475
526 INDEX
Page 532 of 546

Hazard Warning Flasher..................420
Jump Starting ......................... .431
Tow Hooks ........................... .437
Emission Control System Maintenance ..........448
Engine ................................ .445
Air Cleaner .......................... .454
Break-In Recommendations ................108
Compartment Identification ................445
Coolant (Antifreeze) .....................504
Exhaust Gas Caution .....................110
Flooded, Starting ...................... .295
Fuel Requirements ..................... .380
Jump Starting ......................... .431
Oil................................. .451
Oil Filler Cap ......................... .453
Oil Selection .......................... .452
Oil Synthetic ......................... .454
Engine Oil Viscosity ...................... .453
Enhanced Accident Response Feature ............69Entry System, Illuminated
....................23
Ethanol ............................... .382
Event Data Recorder ........................73
Exhaust Gas Caution .......................110
Exhaust System ...........................110
Exterior Lighting ......................... .151
Exterior Lights ...........................114
Filters Air Cleaner .......................... .454
Engine Fuel .......................... .504
Engine Oil ........................... .454
Engine Oil Disposal .....................454
Flashers Turn Signal ............................114
Flat Tire Stowage ........................ .430
Flooded Engine Starting ....................295
Fluid, Brake ............................ .506
Fluid Capacities ......................... .503
530 INDEX
Page 533 of 546

Fluid Leaks.............................114
Fluid Level Checks Automatic Transmission ..................475
Brake ............................... .469
Power Steering ........................ .327
Fluids, Lubricants and Genuine Parts ...........504
Fog Lights ............................. .155
Four-Way Hazard Flasher ...................420
Four Wheel Drive .........................311
Freeing A Stuck Vehicle .....................435
Front Axle (Differential) .....................471
Fuel .................................. .380
Adding ............................. .385
Additives ............................ .383
Clean Air ............................ .381
Ethanol ............................. .382
Filler Cap (Gas Cap) .....................386
Filter ............................... .504
Gasoline ............................. .380Materials Added
....................... .383
Methanol ............................ .382
Octane Rating ......................... .380
Requirements ......................... .380
Tank Capacity ......................... .503
Fuses ................................. .484
Gas Cap (Fuel Filler Cap) ...................386
Gasoline, Clean Air ....................... .381
Gasoline (Fuel) .......................... .380
Gasoline, Reformulated .....................381
Gauges Speedometer ......................... .205
Tachometer ........................... .200
Gear Ranges ............................ .301
Gear Select Lever Override ..................437
General Information ...................... .380
Glass Cleaning .......................... .482
Gr
ocery Bag Retainer ...................... .191
10
INDEX 531