FUEL REQUIREMENTS
The 5.7L engine is designed to meet all
emissions regulations and provide satisfac-
tory fuel economy and performance when
using high quality unleaded gasoline hav-
ing an octane range of 87 to 89. The manu-
facturer recommends the use of 89 octane
for optimum performance.The routine use
of premium gasoline is not recommended. The use of
premium gasoline will provide no benefit over high
quality regular and mid-grade gasolines, and in some
circumstances may result in poorer performance.
Light spark knock at low engine speeds is not harmful to
your engine. However, continued heavy spark knock at
high speeds can cause damage and immediate service is
required.Poor quality gasoline can cause problems such as hard
starting, stalling and hesitations. If you experience these
symptoms, try another brand of ªregularº gasoline be-
fore considering service for the vehicle.
Over 40 auto manufacturers world-wide have issued and
endorsed consistent gasoline specifications (the World-
wide Fuel Charter, WWFC) to define fuel properties
necessary to deliver enhanced emissions, performance
and durability for your vehicle. We recommend the use
of gasolines that meet the WWFC specifications if they
are available.
Reformulated Gasoline
Many areas of the country require the use of cleaner
burning gasoline referred to as ªReformulated Gasoline.º
Reformulated gasolines contain oxygenates, and are spe-
cifically blended to reduce vehicle emissions and im-
prove air quality.
5.7L Engines
STARTING AND OPERATING 335
5
We strongly support the use of reformulated gasolines.
Properly blended reformulated gasolines will provide
excellent performance and durability for the engine and
fuel system components.
Gasoline/Oxygenate Blends
Some fuel suppliers blend unleaded gasoline with oxy-
genates such as 10% ethanol, MTBE and ETBE. Oxygen-
ates are required in some areas of the country during the
winter months to reduce carbon monoxide emissions.
Fuels blended with these oxygenates may be used in
your vehicle.
CAUTION!
DO NOT use gasolines containing METHANOL.
Gasoline containing methanol may damage critical
fuel system components.
MMT In Gasoline
MMT is a manganese-containing metallic additive that is
blended into some gasoline to increase octane. Gasolines
blended with MMT provide no performance advantage
beyond gasolines of the same octane number without
MMT. Gasolines blended with MMT reduce spark plug
life and reduce emission system performance. We recom-
mend that gasolines free of MMT be used in your vehicle.
The MMT content of gasoline may not be indicated on
the gasoline pump; therefore, you should ask your gaso-
line retailer whether or not his/her gasoline contains
MMT.
It is even more important to look for gasolines without
MMT in Canada because MMT can be used at levels
higher than allowed in the United States. MMT is pro-
hibited in Federal and California reformulated gasolines.
336 STARTING AND OPERATING
Fuel System Cautions
CAUTION!
Follow these guidelines to maintain your vehicle's
performance:
²The use of leaded gas is prohibited by Federal law.
Using leaded gasoline can impair engine performance,
damage the emission control system.
²An out-of-tune engine, or certain fuel or ignition
malfunctions, can cause the catalytic converter to
overheat. If you notice a pungent burning odor or
some light smoke, your engine may be out of tune or
malfunctioning and may require immediate service.
Contact your dealer for service assistance.
²When pulling a heavy load or driving a fully loaded
vehicle when the humidity is low and the temperature
is high, use a premium unleaded fuel to help prevent
spark knock. If spark knock persists, lighten the load,
or engine piston damage may result.
²The use of fuel additives which are now being sold as
octane enhancers is not recommended. Many of these
products contain high concentrations of methanol.
Fuel system damage or vehicle performance problems
resulting from the use of such fuels or additives is not
the responsibility of the manufacturer.
NOTE:Intentional tampering with emissions control
systems can result in civil penalties being assessed
against you.
338 STARTING AND OPERATING
FLUIDS AND CAPACITIES
U.S. Metric
Fuel
5.7L, 89 Octane
2500 Shortbed Models 34 gal. 128L
2500 Longbed Models 35 gal. 132L
Engine Oil (with filter)
5.7L Engine V-8 (SAE 5W-20, API Certified). For trucks
operating under a gross combined weight ratingless
than 14,000 lbs.7.0 qts. 6.6L
5.7L Engine V-8 (SAE 5W-30, API Certified). For trucks
operating under a gross combined weight rating
greaterthan 14,000 lbs.7.0 qts. 6.6L
Cooling System
5.7L (MopartAntifreeze/Coolant 5 Year/100,000 Mile
Formula)18.7 qts. 17.7L
MAINTAINING YOUR VEHICLE 441
7
FLUIDS, LUBRICANTS AND GENUINE PARTS
Engine
Component Fluids, Lubricants and Genuine Parts
Engine Coolant MopartAntifreeze/Coolant 5 Year/100,000 Mile Formula HOAT (Hybrid Or-
ganic Additive Technology) P/N 5011764AB or equivalent.
Engine Oil (For trucks operating
under a gross combined weight
ratinglessthan 14,000 lbs.)Use SAE 5W-20, API Certified, meeting material standard MS-6395.
5.7L Engine Oil (For trucks operat-
ing under a gross combined
weight ratinggreaterthan 14,000
lbs.)Use SAE 5W-30, API Certified, meeting material standard MS-6395.
Engine Oil Filter MopartEngine Oil Filter, P/N 5281090 or equivalent.
Spark Plugs Refer to the Vehicle Emission Control Information label in the engine com-
partment.
Fuel Selection (5.7L) 89 Octane Mid-Grade, (R+M)/2 Method Preferred (87 Octane Acceptable)
442 MAINTAINING YOUR VEHICLE
Freeing A Stuck Vehicle................... 378
Front Axle (Differential)................... 411
Front Wheel Bearings..................... 415
Fuel................................. 335
Adding............................. 339
Filter............................... 394
Gauge.............................. 180
Octane Rating......................335,442
Requirements......................335,441
Tank Capacity........................ 441
Fuses................................ 425
Garage Door Opener (HomeLinkt) ........... 139
Gas Cap (Fuel Filler Cap)...............341,385
Gasoline (Fuel)......................... 335
Gasoline, Reformulated................... 335
Gauges............................... 173
Coolant Temperature.................... 175
Fuel................................ 180Oil Pressure.......................... 174
Speedometer......................... 174
Tachometer.......................... 173
Voltmeter............................ 173
Gear Ranges........................250,257
Gear Ratios............................. 78
General Information...................... 18
Glass Cleaning.......................... 424
Gross Axle Weight Rating.................. 346
Gross Vehicle Weight Rating................ 345
GVWR............................... 342
Hands-Free Phone (UConnectŸ).............. 87
Hazard Warning Flasher................... 366
Head Restraints......................... 112
Headlights............................ 431
High Beam........................... 124
High Beam/Low Beam Select Switch........ 124
Lights On Reminder.................... 122
INDEX 479
10
Multi-Function Control Lever............... 123
Navigation Radio........................ 219
Navigation System....................... 219
Noise Control
Maintenance.......................... 416
Tampering Prohibited................417,418
Noise Emission Warranty.................. 418
Occupant Restraints....................... 33
Octane Rating, Gasoline (Fuel).............. 335
Odometer..........................176,180
Trip .............................176,180
Off-Pavement Driving (Off-Road)............ 268
Off-Road Driving (Off-Pavement)............ 268
Oil, Engine.........................389,442
Capacity............................ 441
Change Interval....................... 390
Dipstick............................. 389Disposal............................ 392
Filter............................392,442
Filter Disposal........................ 392
Identification Logo..................... 391
Materials Added to..................... 392
Pressure Gauge....................... 174
Recommendation...................391,441
Synthetic............................ 392
Viscosity..........................391,441
Onboard Diagnostic System..............385,386
Opener, Garage Door (HomeLinkt) ........... 139
Operating Precautions.................... 385
Outside Rearview Mirrors.................. 84
Overdrive............................. 252
Overdrive OFF Switch.................... 252
Overhead Console....................131,132
Overhead Travel Information Center.......... 132
Owner's Manual (Operator Manual).......... 470
INDEX 483
10