2004 DODGE RAM 2500 DIESEL trailer

²Driving in dusty conditions.
²Frequent trailer towing.
²Taxi, police, or delivery service (commercial service).
²Off-road or desert operation.
²Extensive operation at high engine speeds (greater
than 2900 rpm) and loads (greater than 70% throttle).
IfANYof these apply to you, then change your engine oil
at every interval shown in schedule9B9of the9Mainte-
nance Schedules9section of this manual.
If none of these apply to you, then change your engine oil
at every interval shown on schedule9A9of the9Mainte-
nance Schedules9section of this manual.
NOTE:Most vehicles are operated under the conditions
listed for Schedule9B.9
Engine Oil Selection
1. Engine Oil Quality
Use only oils conforming to API
Service CI-4. A sulfated ash limit
is specified for lubrication oil used
in Cummins engines. Oils with a
high ash content may produce de-
posits on valves that can progress
to guttering and valve burning. A
maximum sulfated ash content of
1.85 mass % is recommended for
all oil used in the engine.
2. Engine Oil Viscosity (SAE Grade)
The proper SAE viscosity of engine oil for the expected
ambient temperature range should be selected, as indi-
cated in the following chart:
MAINTAINING YOUR VEHICLE 327
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It is important that proper lubricant is used in the
transmission. Refer to Recommended Fluids, Lubricants
and Genuine Parts for the correct lubricant type. A band
adjustment and filter change should be made at the time
of the oil change.
The fluid and filter should be changed and the bands
adjusted as specified in the Maintenance Schedule (Sec-
tion 8). Vehicles having severe usage should follow
Maintenance Schedule ªBº of the Maintenance Schedule
(Section 8).
Severe usage consists of:
²Off-the-highway operation;
²Trailer towing;
²Snow plow operation;
²Prolonged operation with heavy loading, especially in
hot weather.NOTE:If the transmission is disassembled for any
reason, the fluid and filter should be changed, and the
bands adjusted.
Special Additives
The manufacturer recommends against the addition of
any additives to the transmission. Exception to this
policy is the use of special dyes to aid in detecting fluid
leaks. The use of transmission sealers should be avoided,
since they may adversely affect seals.
Front Wheel Bearings
Front wheel bearings for all Dodge Ram Trucks are
sealed-for-life. They do not require greasing or seal
replacement. In some instances, these bearings will
ªpurgeº excess grease and the bearing housing will look
slightly wet. This is normal.
²Periodic inspection for excess play is recommended.
MAINTAINING YOUR VEHICLE 355
7

EMISSION CONTROL SYSTEM MAINTENANCE
The ªScheduledº maintenance services, listed inbold
typein this section (Section 8) must be done at the times
or mileages specified to assure the continued proper
functioning of the emission control system. These, and all
other maintenance services included in this manual,
should be done to provide best vehicle performance and
reliability. More frequent maintenance may be needed for
vehicles in severe operating conditions such as dusty
areas and very short trip driving.
Inspection and service also should be done any time a
malfunction is suspected.
NOTE:Maintenance, replacement, or repair of the emis-
sion control devices and systems on your vehicle may be
performed by any automotive repair establishment or
individual using any automotive part which has been
certified pursuant to U.S. EPA or, in the State of Califor-
nia, California Air Resources Board regulations.
MAINTENANCE SCHEDULES Ð 24±VALVE
CUMMINS TURBO DIESEL
There are two maintenance schedules that show the
requiredservice for your vehicle.
First is ScheduleªBº. It is for vehicles that are operated
under the conditions that are listed below and at the
beginning of the schedule.
²Frequent short trips where the engine does not achieve
full operating temperature (operating temperature de-
fined as 190É F (66É C ) coolant temperature).
²Extensive engine idling (over 10 minutes per hour of
operation) at ambient temperatures less than 32É F (0É
C).
²Driving in dusty conditions.
²Frequent trailer towing.
²Taxi, police, or delivery service (commercial service).
384 MAINTENANCE SCHEDULES
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Schedule ªBº
Follow schedule ªBº if you usually operate your vehicle
under one or more of the following conditions.
²Frequent short trips where the engine does not achieve
full operating temperature (operating temperature de-
fined as 190É F (66É C ) coolant temperature).
²Extensive engine idling (over 10 minutes per hour of
operation) at ambient temperatures less than 32É F (0É
C).
²Driving in dusty conditions.
²Frequent trailer towing.
²Taxi, police, or delivery service (commercial service).
²Off-road or desert operation.
²Extensive operation at high engine speeds (greater
than 2900 rpm) and loads (greater than 70% throttle).
SCHEDULE ªBº 387
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Glass Cleaning.......................... 365
GVWR............................... 269
Hands-Free Phone........................ 79
Hazard Warning Flasher................... 296
Head Restraints.......................... 93
Headlights..........................101,367
High Beam........................... 104
High Beam/Low Beam Select Switch........ 104
Lights On Reminder.................... 102
Passing............................. 104
Switch.............................. 101
Heated Mirrors....................78,191,195
Heated Seats............................ 96
Heater............................... 187
High Beam/Low Beam Select Switch.......... 104
Hitches
Trailer Towing........................ 275
Hoisting.............................. 309Homelink Transmitter.................... 120
Hood Release........................... 97
Hoses.............................348,350
Hub Caps............................. 306
Hydraulic Clutch Fluid.................... 351
Ignition.............................14,204
Key ............................... 11,14
Lock................................ 14
Infant Restraint........................55,56
Inflation Pressure Tires.................... 259
Inside Rearview Mirror.................... 75
Instrument Cluster....................142,143
Instrument Panel and Controls.............. 141
Instrument Panel Lens Cleaning............. 365
Interior Appearance Care.................. 364
Intermittent Wipers...................... 105
Introduction............................. 4
INDEX 417
10

Trailer Towing......................79,279
Modifications/Alterations, Vehicle............. 7
Mopar Parts.........................322,407
Multi-Function Control Lever............... 103
New Vehicle Break-In Period................ 67
Noise Control
Maintenance.......................... 357
Tampering Prohibited................... 358
Noise Emission Warranty...............357,359
Occupant Restraints....................... 33
Odometer..........................148,149
Trip .............................148,149
Off-Pavement Driving.................... 292
Off-Road Driving........................ 292
Oil, Engine............................ 380
Capacity............................ 379
Change Interval....................... 326Dipstick............................. 325
Disposal............................ 331
Filter.........................325,328,380
Pressure Gauge....................... 145
Recommendation...................... 327
Viscosity............................ 327
Oil Filter, Change........................ 328
Onboard Diagnostic System................ 321
Opener, Garage Door..................... 120
Operating Precautions.................... 321
Outside Rearview Mirrors.................. 76
Overdrive............................. 220
Overdrive OFF Switch.................... 220
Overhead Console.................... 112,113
Overhead Travel Information Center.......... 113
Owner's Manual........................ 408
Parking Brake.......................... 238
Passenger Airbag On/Off Switch............. 50
420 INDEX

Tire Markings.......................... 243
Tire Safety Information.................... 243
Tires ...............................70,251
Air Pressure.......................... 251
Alignment........................... 258
Chains.............................. 259
Changing............................ 299
Compact Spare........................ 255
Dual............................263,306
General Information.................... 251
High Speed.......................... 254
Inflation Pressures..................... 252
Jacking............................. 300
Load Capacity.....................247,248
Radial.............................. 255
Replacement......................... 257
Rotation............................. 261
Safety...........................243,251
Sizes............................... 244Snow Tires........................... 261
Spare Tire........................... 299
Spinning............................ 256
Tread Wear Indicators................... 257
Wheel Mounting....................... 300
Wheel Nut Torque..................... 305
Tongue Weight/Trailer Weight.............. 278
Torque Converter Clutch.................. 222
Tow Hooks, Emergency................... 314
Towing
Disabled Vehicle....................... 315
Guide.............................. 279
Recreational.......................... 286
Trailering............................ 274
Weight.............................. 279
Traction.............................. 293
Traction Control......................... 352
Trailer Towing.......................... 272
Hitches............................. 275
424 INDEX

Mirrors...........................79,279
Tips ................................ 280
Trailer and Tongue Weight................ 278
Trailer Towing Guide..................... 279
Trailer Weight.......................... 279
Transfer Case
Fluid............................... 381
Transmission
Automatic........................218,353
Fluid............................352,381
Maintenance.......................... 353
Manual........................222,224,352
Shifting............................. 218
Transmitter, Garage Door Opener............ 120
Tread Wear Indicators.................... 257
Trip Computer.......................... 113
Trip Odometer.......................148,149
Turn Signals...................103,144,367,371Underhood Fuses........................ 366
Universal Transmitter..................... 120
Variance, Compass....................... 118
Vehicle Identification Number................ 6
Vehicle Loading......................248,269
Vehicle Modifications/Alterations.............. 7
Vehicle Storage......................... 366
Voltmeter............................. 144
Warning Lights (Instrument Cluster Description) . 143
Warnings and Cautions..................... 5
Warranty Information..................... 405
Washers, Windshield..................106,341
Washing Vehicle......................... 362
Wheel Alignment and Balance............... 258
Wheel and Wheel Trim.................... 363
Wheel Changing........................ 299
Wheel Mounting........................ 300
INDEX 425
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