Page 251 of 496

▫Radial-Ply Tires ......................307 
▫  Compact Spare Tire — If Equipped .........308 
▫  Limited Use Spare — If Equipped .........309 
▫  Tire Spinning ........................309 
▫  Tread Wear Indicators ..................310 
▫  Life Of Tire .........................311 
▫  Replacement Tires .....................311 
▫  Alignment And Balance .................312 
  Supplemental Tire Pressure Information – If 
Equipped  ............................313 
  Tire Chains ...........................313 
  Snow Tires ...........................315   
Tire Rotation Recommendations ............315 
▫  Dual Rear Wheels .....................316 
  Engine Runaway .......................317 
  Fuel Requirements (Diesel Engines) ..........318 
▫  Fuel Specifications ....................318 
  Adding Fuel (Diesel Engines) ..............320 
▫  Fuel Filler Cap (Gas Cap) ...............321 
▫  Bulk Fuel Storage .....................322 
  Vehicle Loading ........................323 
▫  Certification Label .....................323
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Compact Spare Tire — If Equipped
The compact spare is for temporary emergency use with 
radial tires. It is engineered to be used on your style
vehicle only. Since this tire has limited tread life, the
original tire should be repaired (or replaced) and rein-
stalled at the first opportunity.
WARNING!
Temporary use spare tires are for emergency use
only. With these tires, do not drive more than 50 mph
(80 km/h). Temporary-use spare tires have limited
tread life. When the tread is worn to the tread wear
indicators, the temporary use spare tire needs to be
replaced. Be sure to follow the warnings, which
apply to your spare. Failure to do so could result in
spare tire failure and loss of vehicle control.
Do not install a wheel cover or attempt to mount a
conventional tire on the compact spare wheel, since the
wheel is designed specifically for the compact spare. 
Do not install more than one compact spare tire/wheel 
on the vehicle at any given time.
CAUTION!
Because of the reduced ground clearance, do not take
your vehicle through an automatic car wash with the
compact spare installed. Damage to the vehicle may
result.
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Limited Use Spare — If Equipped
The limited use spare tire is for temporary emergency use 
on your vehicle. This tire is identified by a limited use
spare tire warning label located on the limited use spare
tire and wheel assembly. This tire may look like the
original equipped tire on the front or rear axle of your
vehicle, but it is not. Installation of this limited use spare
tire affects vehicle handling. Since it is not the same tire,
replace (or repair) the original tire and reinstall on the
vehicle at the first opportunity.WARNING!
The limited use spare tires are for emergency use
only. Installation of this limited use spare tire affects
vehicle handling. With this tire, do not drive more
than 60 mph (100 km/h). Keep inflated to the cold
tire inflation pressure listed on either your tire
placard or limited use spare tire and wheel assembly.
Replace (or repair) the original tire at the first
opportunity and reinstall it on your vehicle. Failure
to do so could result in loss of vehicle control.
Tire Spinning
When stuck in mud, sand, snow, or ice conditions, do not
spin your vehicle’s wheels above 35 mph (55 km/h). 
Refer to the paragraph on “Freeing A Stuck Vehicle” in 
Section 6 of this manual.
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CAUTION!
3500 Dual Rear Tires have only one approved direc- 
tion of rotation. This is to accommodate the asym-
metrical design (tread pattern) of the ON/OFF road
tire and the use of Outline White Letter (OWL) tires.
•When replacing a flat, the spare tire may have to
be remounted on the rim or installed at a different
location to maintain the correct placement of the
tire on the wheel relative to the tire/wheel posi-
tion on the truck. For example, if the spare is used
to replace an outer rear tire it will have to be
remounted on the rim so that the wheel is dished
inward. That way the tread design of asymmetri-
cal tires and the white writing of the OWL tires
will maintain proper position.
ENGINE RUNAWAY
WARNING!
In case of engine runaway due to flammable fumes
from gasoline spills or turbocharger oil leaks being
sucked into the engine do the following to help
avoid personal injury and/or vehicle damage: 
1. Shut off engine ignition switch.
2. Using a CO
2or dry chemical type fire extin- 
guisher, direct the spray from the fire extinguisher
into the grille on the passenger side so that the spray
enters the engine air intake.
The inlet for the engine air intake is located behind the
passenger side headlamp and receives air through the
grille
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        Page 353 of 496
WHAT TO DO IN EMERGENCIES
CONTENTS
Hazard Warning Flasher ..................354 
  Jacking And Tire Changing ................355 
▫  All Models ..........................355 
  Jacking Instructions .....................356 
▫  Removing The Spare Tire ................356 
▫  Tire Changing Procedure ................357 
  Hoisting .............................366   
Jump-Starting .........................367 
▫  With Portable Starting Unit ..............370 
  Freeing A Stuck Vehicle ..................370 
  Emergency Tow Hooks — If Equipped ........371 
  Towing A Disabled Vehicle ................372 
▫  4-Wheel- Drive Vehicles .................372 
▫  2–Wheel- Drive Vehicles ................373
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        Page 356 of 496
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.
JACKING INSTRUCTIONS 
Removing The Spare Tire
Remove the spare tire before attempting to jack the truck. 
Attach the wheel wrench to the jack extension tube. Insert
the tube through the access hole between the lower
tailgate and the top of the bumper and into the winch
mechanism tube. Rotate the wheel wrench handle coun-
terclockwise until the spare tire is on the ground with
enough cable slack to allow you to pull it out from under the vehicle. When the spare is clear, tilt the retainer at the 
end of the cable and pull it through the center of the
wheel. 
It is recommended that you stow the flat or spare to 
avoid tangling the loose cable.
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1. 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. For 2500/3500 4x2 series trucks, when changing a 
front wheel, place the bottle jack under the frame rail
behind the wheel. Locate the jack as far forward as
possible on the straight part of the frame. 
For 2500/3500 4x4 series trucks, 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. When changing a rear wheel, assemble the jack drive 
tube to the jack and connect the drive tube to the
extension tube. Place the jack under the axle between the
spring and the shock absorber with the drive tubes
extending to the rear. Connect the jack tube extension and
wheel wrench. 
Before raising the wheel off the ground, make sure that 
the jack will not damage surrounding truck parts and
adjust the jack position as required. 
NOTE: 
If the jack will not lower by turning the dial 
(thumb wheel) by hand, it may be necessary to use the
jack drive tube in order to lower the jack.
WHAT TO DO IN EMERGENCIES 359
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        Page 361 of 496
4. By rotating the wheel wrench clockwise, raise the 
vehicle until the wheel just clears the surface.
WARNING!
Raising the vehicle higher than necessary can make
the vehicle unstable and cause an accident. It could
slip off the jack and hurt someone near it. Raise the
vehicle only enough to remove the tire.
5. Remove the wheel nuts and pull the wheel off. Install
the spare wheel and wheel nuts with the cone shaped end
of the nuts toward the wheel on 2500/3500 single rear
wheel (SRW) models. On 3500 dual rear wheel models
(DRW) the lug nuts are a two piece assembly with a flat
face. Lightly tighten the nuts. To avoid risk of forcing the
vehicle off the jack, do not fully tighten the nuts until the
vehicle has been lowered. 
6. Using the wheel wrench, finish tightening the nuts 
using a crisscross pattern. Correct nut tightness is 135 ft.
lbs. (183 N·m) torque for 2500/3500 single rear wheel
WHAT TO DO IN EMERGENCIES 361
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