Page 219 of 300

MAINTAINING YOUR VEHICLE
CONTENTS
mEngine Compartment 3.7L V6.............221
mEngine Compartment 4.7L V-8............222
mOnboard Diagnostic System Ð OBD II......223
mEmissions Inspection And Maintenance
Programs
............................224
mReplacement Parts.....................225
mDealer Service........................225
mMaintenance Procedures.................226
NEngine Oil..........................226
NEngine Oil Filter......................229
NDrive Belts Ð Check Condition And Tension . . 230
NSpark Plugs.........................230NIgnition Cables.......................230
NEngine Air Cleaner Filter................230
NEngine Fuel Filter.....................231
NCatalytic Converter....................231
NMaintenance-Free Battery................232
NAir Conditioner Maintenance.............233
NPower Steering Ð Fluid Check............234
NFront Suspension Ball Joints..............235
NSteering Linkage......................235
NDrive Shaft Constant Velocity
Joints Ð 4X4 Models...................235
NBody Lubrication.....................235
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Page 228 of 300

Dusty Conditions
Driving through dust-laden air increases the problems of
keeping abrasive materials out of the engine. Under these
conditions, special attention should be given to the
engine air cleaner and the crankcase inlet air cleaner. The
crankcase ventilation system should also be checked
periodically. Make sure that these units are always clean.
This will tend to reduce to a minimum the amount of
abrasive material that may enter the engine.
Engine Oil Selection
For best performance and maximum protection under all
types of operating conditions, the manufacture only
recommends engine oils that are API certified and meet
the requirements of DaimlerChrysler Material Standard
MS-6395. Use Mopar or an equivalent oil meeting the
specification MS-6395.
American Petroleum Institute (API) Oil
Identification Symbol
There is a symbol to aid you in selecting the proper
engine oil.This symbol means that the oil has
been certified by the American
Petroleum Institute (API). The
manufacture only recommends
API Certified engine oils that
meet the requirements of
DaimlerChrysler Material Stan-
dard MS-6395. Use Mopar or an
equivalent oil meeting the specifi-
cation MS-6395.
Engine Oil Viscosity Chart
The proper SAE viscosity grade of engine oil should be
selected based on the following recommendation and be
within the operating temperature shown in the recom-
mended SAE viscosity chart.
²SAE 5W-30 is the oil recommended in trucks equipped
with a 3.7L/4.7L engine, for optimum fuel economy.
²Synthetic engine oils may be used provided that the oil
quality requirements described above are met and the
recommended maintenance intervals for oil and filter
changes are followed.
228 MAINTAINING YOUR VEHICLE
Page 231 of 300

WARNING!
The air cleaner can provide a measure of protection
in the case of engine backfire. Do not remove the air
cleaner unless such removal is necessary for repair or
maintenance. Make sure that no one is near the
engine compartment before starting the vehicle with
the air cleaner removed. Failure to do so can result in
serious personal injury.
Engine Fuel Filter
A plugged fuel filter can cause stalling, limit the speed at
which a vehicle can be driven or cause hard starting.
Should an excessive amount of dirt accumulate in the
fuel tank, frequent filter replacement may be necessary.
Catalytic Converter
The catalytic converter requires the use of unleaded fuel
only. Leaded gasoline will destroy the effectiveness of the
catalyst as an emission control device.Under normal operating conditions, the catalytic con-
verter will not require maintenance. However, it is im-
portant to keep the engine properly tuned to assure
proper catalyst operation and prevent possible catalyst
damage.
CAUTION!
Damage to the catalytic converter can result if your
vehicle is not kept in proper operating condition. In
the event of engine malfunction, particularly involv-
ing engine misfire or other apparent loss of perfor-
mance, have your vehicle serviced promptly. Contin-
ued operation of your vehicle with a severe
malfunction could cause the converter to overheat,
resulting in possible damage to the converter and the
vehicle.
NOTE:Intentional tampering with emissions control
systems can result in civil penalties being assessed
against you.
MAINTAINING YOUR VEHICLE 231
7
Page 258 of 300
FLUIDS AND CAPACITIES
U.S. Metric
Fuel
Regular/Club Cab, 87 Octane20 Gal. w/ORVR, 22 Gal.
w/o ORVR76L w/ORVR, 83L w/o
ORVR
Quad Cab, 87 Octane 24 Gal. 91L
Engine Oil (with filter)
3.7L, SAE 5W-30, API Certified 5 Qt. 4.7L
4.7L, SAE 5W-30, API Certified 6 Qt. 5.7L
Cooling System
3.7L (MopartAntifreeze/Coolant 5 Year/100,000 Mile
Formula)NA NA
4.7L (MopartAntifreeze/Coolant 5 Year/100,000 Mile
Formula)17 Qt. 16L
258 MAINTAINING YOUR VEHICLE
Page 259 of 300
RECOMMENDED 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 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 87 Octane, (R+M)/2 Method
MAINTAINING YOUR VEHICLE 259
7
Page 264 of 300

CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
At Each Stop for Fuel
²
Check the engine oil level about 5 minutes after a fully
warmed engine is shut off. Checking the oil level while
the vehicle is on level ground will improve the accu-
racy of the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.
²Check the windshield washer solvent and add if
required.
Once a Month
²
Check tire pressure and look for unusual wear or
damage.
²Inspect the battery and clean and tighten the terminals
as required.
²Check the fluid levels of coolant reservoir, brake
master cylinder, and transmission and add as needed.
²Check all lights and all other electrical items for correct
operation.
At Each Oil Change
²
Change the engine oil filter.
²Inspect the exhaust system.
²Inspect the brake hoses.
²Inspect the CV joints (if equipped) and front suspen-
sion components.
²Check the automatic transmission fluid level (if
equipped).
²Check the manual transmission fluid level (if
equipped).
²Check the coolant level, hoses, and clamps.
Tire Rotation
²
Rotate the tires every 6,000 miles (10 000 km).
264 MAINTENANCE SCHEDULES
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Page 288 of 300

Adding Engine Coolant (Antifreeze)......... 239
Adding Fuel........................186,208
Air Conditioner Maintenance.............. 233
Air Conditioning....................... 134
Air Conditioning, Operating Tips........135,137
Air Conditioning Refrigerant.............. 234
Air Conditioning System................. 134
Air Pressure, Tires...................176,182
Airbag...........................31,34,102
Airbag Light........................... 38
Airbag On/Off Switch.................... 34
Alarm.............................21,102
Alarm, Panic........................... 19
Alignment and Balance.................. 181
Alterations/Modifications, Vehicle............ 5
Antifreeze (Engine Coolant)............238,258
Anti-Lock Brake System...............164,165
Anti-Lock Warning Light................. 102
Anti-Theft System....................21,102
Appearance Care....................... 249
Automatic Dimming Mirror................ 59
Automatic Transmission............144,146,245
Adding Fluid........................ 246Fluid and Filter Changes................ 247
Fluid Level Check..................... 245
Fluid Type.......................247,260
Gear Ranges......................... 147
Overdrive........................... 148
Shifting............................ 146
Special Additives..................... 247
Torque Converter..................... 149
Axle Fluid............................ 260
Axle Lubrication....................... 248
Backfire, Engine........................ 190
Ball Joints............................ 235
Battery............................... 232
Charging........................... 215
Emergency Starting.................... 215
Gas Caution......................... 215
Keyless Transmitter Replacement.......... 21
Saving Feature........................ 68
Belts, Drive........................... 230
Belts, Seat............................. 25
Body Mechanism Lubrication.............. 235
B-Pillar Location....................... 172
288 INDEX
Page 291 of 300

Downshifting.......................... 151
Drive Belts............................ 230
Drive Shaft Universal Joints............... 235
Electrical Power Outlets................... 86
Electronic Power Distribution Center........ 252
Electronic Speed Control.................. 74
Emergency, In Case of
Freeing Vehicle When Stuck............. 167
Jacking............................. 211
Jump Starting........................ 215
Overheating......................... 239
Towing............................. 217
Emission Control System Maintenance....... 262
Emission Related Components............. 241
Engine
Air Cleaner.......................... 231
Air Cleaner Filter..................... 230
Block Heater......................... 146
Break-In Recommendations............... 52
Compartment.....................221,222
Coolant..........................238,259
Cooling............................ 237Exhaust Gas Caution................53,189
Fails to Start......................... 145
Flooded, Starting..................... 145
Fuel Requirements.................... 258
Oil ..........................226,258,259
Oil Selection......................... 258
Oil Synthetic......................... 229
Overheating......................... 239
Starting............................ 144
Temperature Gauge.................... 99
Entry System, Illuminated................. 12
Equipment Identification Plate............. 206
Exhaust Gas Caution..................53,237
Exhaust System......................53,236
Exterior Lighting........................ 68
Filters
Air Cleaner.......................... 230
Engine Fuel......................... 231
Engine Oil.......................229,259
Engine Oil Disposal................... 229
Flashers
Hazard Warning...................... 208
INDEX 291
10