Page 377 of 528
WHAT TO DO IN EMERGENCIES
CONTENTS
mHazard Warning Flasher..................378
mJacking And Tire Changing................379
N3500 Models ± If Equipped..............379
mJacking Instructions.....................380
NTire Changing Procedure................380
mHoisting.............................389mJump-Starting.........................390
NWith Portable Starting Unit..............393
mFreeing A Stuck Vehicle..................393
mEmergency Tow Hooks Ð If Equipped........394
mTowing A Disabled Vehicle................395
N4-Wheel- Drive Vehicles.................396
N2±Wheel- Drive Vehicles................396
6
Page 379 of 528
JACKING AND TIRE CHANGING
WARNING!
²Being under a jacked-up vehicle is dangerous. The
vehicle could slip off the jack and fall on you. You
could be crushed. Never put any part of your body
under a vehicle that is on a jack. Never start or run
the engine while the vehicle is on a jack. If you
need to get under a raised vehicle, take it to a
service center where it can be raised on a lift.
²The jack is designed to use as a tool for changing
tires only. The jack should not be used to lift the
vehicle for service purposes. The vehicle should
be jacked on a firm level surface only. Avoid ice or
slippery areas.
3500 Models ± If Equipped
The jack and jack tools are stored under the front
passenger seat. Lift the flap on the side of the seat for
access.
Remove the jack and tools by removing the wing bolt and
sliding the assembly from under the seat.
Jack Location
WHAT TO DO IN EMERGENCIES 379
6
Page 380 of 528

WARNING!
After using the jack and tools, always reinstall them
in the original carrier and location. While driving
you may experience, abrupt stopping, rapid accelera-
tion, or sharp turns. A loose jack, tools, bracket or
other objects in the vehicle may move around with
force, resulting in serious injury.
4500/5500 Models
These vehicles do not come with a jack.
NOTE:Jacking and tire changing on 4500/5500 models
should be performed by an authorized dealer, or knowl-
edgeable service personnel with the appropriate heavy
duty equipment like a tire service company.
JACKING INSTRUCTIONS
Tire Changing Procedure
WARNING!
Getting under a jacked-up vehicle is dangerous. The
vehicle could slip off the jack and fall on you. You
could be crushed. Never get any part of your body
under a vehicle that is on a jack. Never start or run
the engine while the vehicle is on a jack. If you need
to get under a raised vehicle, take it to a service center
where it can be raised on a lift.
Do not raise this vehicle using a bumper jack. The jack is
designed as a tool for changing tires on this vehicle only.
It is not recommended that the jack be used for service
purposes or to lift more than one wheel at a time.
380 WHAT TO DO IN EMERGENCIES
Page 381 of 528

NOTE:Jacking and tire changing on 4500/5500 models
should be performed by an authorized dealer, or knowl-
edgeable service personnel with the appropriate heavy
duty equipment like a tire service company.
Preparations
Park the vehicle on a firm level surface, avoiding ice or
slippery areas. Set the parking brake and place the gear
selector in PARK (automatic transmission) or REVERSE
(manual transmission). On four-wheel drive vehicles,
shift the transfer case to the ª4Lº position.
WARNING!
Do not attempt to change a tire on the side of the
vehicle close to moving traffic. Pull far enough off
the road to avoid the danger of being hit when
operating the jack or changing the wheel.
²Turn on the Hazard Warning Flasher.
²Block both the front and rear
of the wheel diagonally oppo-
site the jacking position. For
example, if the right front
wheel is being changed, block
the left rear wheel.
²Passengers should not remain in the vehicle when the
vehicle is being jacked.
WHAT TO DO IN EMERGENCIES 381
6
Page 382 of 528

Instructions
WARNING!
Carefully follow these tire changing warnings to help
prevent personal injury or damage to your vehicle:
²Always park on a firm, level surface as far from
the edge of the roadway as possible before raising
the vehicle.
²Block the wheel diagonally opposite the wheel to
be raised.
²Apply the parking brake firmly before jacking.
²Never start the engine with the vehicle on a jack.
²Do not let anyone sit in the vehicle when it is on a
jack.
²Do not get under the vehicle when it is on a jack.
²Only use the jack in the positions indicated.
²If working on or near a roadway, be extremely
careful of motor traffic.1. If equipped, remove the spare wheel, jack, and tools
from storage.
2. Using the wheel wrench, loosen, but do not remove,
the wheel nuts by turning them counterclockwise one
turn while the wheel is still on the ground.
3. When changing the front wheel, assemble the jack
drive tube to the jack and connect the drive tube to the
extension tube. Place the jack under the axle as close to
the tire as possible with the drive tubes extending to the
front. Connect the jack tube extension and wheel wrench.
382 WHAT TO DO IN EMERGENCIES
Page 389 of 528
Disc
WheelsType Nut Stud Size Torque
Ft. Lbs.Torque
Newton
Meters
Cone 9/16-18 120-150 160-200
Flanged 9/16-18 130-160 190-220
To Stow The Flat Or Spare (If Equipped)
Refer to Upfitters Body Builders Guide for information
on stowing your spare tire (If Equipped).
HOISTING
A conventional floor jack may be used at the jacking
locations, refer to the graphics that show jacking loca-
tions. However, a floor jack or frame hoist must never be
used on any other parts or the underbody.
CAUTION!
Never use a floor jack directly under the differential
housing of a loaded truck or damage to your vehicle
may result.
WHAT TO DO IN EMERGENCIES 389
6
Page 514 of 528

Electronic Vehicle Information Center (EVIC).... 143
Electronically Shifted Transfer Case........... 294
Emergency Brake........................ 308
Emergency, In Case of
Freeing Vehicle When Stuck............... 393
Hazard Warning Flasher................. 378
Jacking............................. 380
Jump Starting......................... 390
Tow Hooks.......................... 394
Towing............................. 395
Emission Control System Maintenance......... 480
Emission Related Components.............. 425
Engine............................400,401
Air Cleaner........................413,414
Block Heater....................256,264,270
Break-In Recommendations................ 71
Compartment......................... 400
Compartment Identification............... 401
Coolant (Antifreeze).................... 476Cooling............................. 433
Data Plate........................... 403
Exhaust Gas Caution.................... 340
Flooded, Starting...................... 253
Identification......................... 400
Idling.............................. 266
Jump Starting......................... 390
Oil ..............................406,476
Oil Filler Cap......................408,410
Oil Selection.......................... 408
Oil Synthetic.......................265,410
Runaway............................ 337
Temperature Gauge..................... 176
Event Data Recorder...................... 57
Exhaust Brake.......................... 270
Exhaust Gas Caution................74,340,433
Exhaust System.................74,432,433,452
Exterior Lighting........................ 124
514 INDEX
Page 525 of 528

Changing............................ 380
Dual............................336,386
General Information.................... 322
High Speed.......................... 327
Inflation Pressures..................... 323
Jacking............................. 380
Life of Tires.......................... 331
Load Capacity.....................318,319
Quality Grading....................... 506
Radial.............................. 328
Replacement......................... 331
Rotation............................. 335
Safety...........................313,322
Sizes............................... 315
Snow Tires........................... 334
Spinning............................ 329
Steel Carcass Ply....................... 325
Tread Wear Indicators................... 330
Wheel Mounting....................... 380Wheel Nut Torque..................... 384
Tongue Weight/Trailer Weight.............. 356
Torque Converter Clutch................278,285
Tow Hooks, Emergency................... 394
Towing............................... 351
Disabled Vehicle....................... 395
Guide.............................. 356
Recreational.......................... 369
Weight.............................. 356
Traction.............................. 304
Traction Control......................... 445
Trailer Towing.......................... 351
Cooling System Tips.................... 363
Hitches............................. 355
Minimum Requirements................. 357
Mirrors...........................85,364
Trailer and Tongue Weight................ 356
Wiring.............................. 360
Trailer Towing Guide..................... 356
INDEX 525
10