engine JEEP WRANGLER 2004 TJ / 2.G Owners Manual

This manual has been prepared with the assistance of
service and engineering specialists to acquaint you with
the operation and maintenance of your new vehicle. It is
supplemented by a Warranty Information Booklet and
various customer oriented documents. You are urged to
read these publications carefully. Following the instruc-
tions and recommendations in this manual will help
assure safe and enjoyable operation of your vehicle.
NOTE:After you read the manual, it should be stored
in the vehicle for convenient reference and remain with
the vehicle when sold so that the new owner will be
aware of all safety warnings.
When it comes to service, remember that your authorized
dealer knows your vehicle best, has the factory-trained
technicians and genuine Mopartparts, and is interested
in your satisfaction.
WARNING!
Engine exhaust, some of its constituents, and certain
vehicle components contain or emit chemicals
known to the State of California to cause cancer and
birth defects or other reproductive harm. In addition,
certain fluids contained in vehicles and certain prod-
ucts of component wear contain or emit chemicals
known to the State of California to cause cancer and
birth defects or other reproductive harm.
HOW TO USE THIS MANUAL
Consult the table of contents to determine which section
contains the information you desire.
The detailed index, at the rear of the manual, contains a
complete listing of all subjects.
6 INTRODUCTION

THINGS TO KNOW BEFORE STARTING YOUR VEHICLE
CONTENTS
mA Word About Your Keys.................11
NIgnition Key..........................11
NKey-In-Ignition Reminder................12
mSentry Key Immobilizer System Ð
If Equipped
...........................12
NImportant Note About Service.............13
NReplacement Keys......................13
NCustomer Key Programming..............13
NGeneral Information....................14
mSteering Wheel Lock Ð If Equipped.........14
NTo Manually Lock The Steering Wheel.......14
NTo Release The Steering Wheel Lock.........14
mIlluminated Entry Ð If Equipped...........15
mDoors And Locks.......................15
NDoor Locks...........................15
mOccupant Restraints.....................16
NLap/Shoulder Belts.....................17
NAdjustable Upper Shoulder Belt Anchorage....21
NSeat Belts And Pregnant Women............21
NSeat Belt Extender......................21
NDriver And Front Passenger Supplemental
Restraint Systems (SRS) Ð Airbags..........22
NChild Restraint........................29
mEngine Break-In Recommendations..........39
2

Key-In-Ignition Reminder
Opening the driver's door when the key is in the ignition,
sounds a signal to remind you to remove the key.
CAUTION!
Always remove the key from the ignition, and lock
all doors when leaving the vehicle unattended.
SENTRY KEY IMMOBILIZER SYSTEM Ð IF
EQUIPPED
The Sentry Key Immobilizer System (SKIS) prevents
unauthorized operation of the vehicle by disabling the
engine. The system will shut the engine down after 2
seconds of running if an invalid key is used to start the
vehicle. This system utilizes ignition keys which have an
electronic chip (transponder) embedded into them. Only
keys that have been programmed to the vehicle can be
used to start and operate the vehicle for longer than the
2 second validation time period.
The Sentry Key Immobilizer System does not need to be
armed or activated. Operation of the system is automaticregardless of whether or not the vehicle is locked or
unlocked. During normal operation, the SKIS indicator
light will come on for 3 seconds immediately after the
ignition switch is turned on for a bulb check. Afterwards,
if the bulb remains on, this indicates a malfunction in the
electronics. If the bulb begins to flash immediately after
the ignition switch is turned on, this indicates that an
invalid key is being used to start the vehicle. Both of
these conditions will result in the engine being shut
down after 2 seconds of running. Keep in mind that a key
which has not been programmed is also considered an
invalid key even if it is cut to fit the ignition for that
vehicle.
If the SKIS indicator light comes on during normal
vehicle operation (it has been running for longer than 10
seconds) a fault has been detected in the electronics and
the vehicle should be serviced as soon as possible.
NOTE:
²
The Sentry Key Immobilizer System is not compatible
with remote starting systems. Use of these systems
may result in vehicle starting problems and loss of
security protection.
12 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

3. Insert the second valid key and turn the ignition
switch ON within 15 seconds. After ten seconds, a chime
will sound and the SKIS indicator light will begin to
flash. Turn the ignition switch OFF and remove the
second key.
4. Insert a blank Sentry Key into the ignition switch and
turn the ignition switch ON within 60 seconds. After 10
seconds, a single chime will sound. The SKIS indicator
light will stop flashing, turn on for 3 seconds; then turn
off.
The new Sentry Key has been programmed. Repeat this
process to program up to a total of 8 keys.
General Information
The Sentry Key Immobilizer System complies with FCC
rules part 15 and with RSS-210 of Industry Canada.
Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference that may be
received, including interference that may cause undes-
ired operation.
STEERING WHEEL LOCK Ð IF EQUIPPED
Your vehicle may be equipped with a passive steering
wheel lock (manual transmission only). This lock pre-
vents steering the vehicle without the ignition key. If the
steering wheel is moved a half turn in either direction
and the key is not in the ignition, the steering wheel will
lock.
To Manually Lock the Steering Wheel
With the engine running, rotate the steering wheel 1/2
revolution from straight ahead position, turn off the
engine and remove the key. Rotate the steering wheel
slightly in both directions until the lock engages.
To Release the Steering Wheel Lock
Insert the key in the ignition and turn the wheel slightly
to the right or left to disengage the lock.
NOTE:If you turned the wheel to the right to engage
the lock, you must turn the wheel slightly to the right to
disengage it. If you turned the wheel to the left to engage
the lock, turn the wheel slightly to the left to disengage it.
14 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

²If the shoulder belt contacts the child's face or neck,
move the child closer to the center of the vehicle.
Never allow a child to put the shoulder belt under an
arm or behind their back.
Transporting Pets
Airbags deploying in the front seat could harm your pet.
An unrestrained pet will be thrown about and possibly
injured, or injure a passenger during panic braking or in
a collision.
Pets should be restrained in the rear seat in pet harnesses
or pet carriers that are secured by seat belts.
ENGINE BREAK-IN RECOMMENDATIONS
A long break-in period is not required for the engine in
your new vehicle.
Drive moderately during the first 300 miles (500 km).
After the initial 60 miles (100 km), speeds up to 50 or 55
mph (80 or 90 km/h) are desirable.
While cruising, brief full-throttle acceleration, within the
limits of local traffic laws, contributes to a good break-in.
Wide open throttle acceleration in low gear can be
detrimental and should be avoided.
The engine oil installed in the engine at the factory is a
high quality energy conserving type lubricant. Oil
changes should be consistent with anticipated climate
conditions under which vehicle operations will occur.
The recommended viscosity and quality grades are
shown in Section 7 of this manual. NON-DETERGENT
OR STRAIGHT MINERAL OILS MUST NEVER BE
USED.
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 39
2

A new engine may consume some oil during its first few
thousand miles (kilometers) of operation. This should be
considered as a normal part of the break-in and not
interpreted as an indication of difficulty.
SAFETY TIPS
Exhaust Gas
WARNING!
Exhaust gases can injure or kill. They contain carbon
monoxide (CO) which is colorless and odorless.
Breathing it can make you unconscious and can
eventually poison you. To avoid breathing (CO)
follow the safety tips below.
²Do not inhale exhaust gases. They contain carbon
monoxide, a colorless and odorless gas which can kill.
Never run the engine in a closed area, such as a
garage, and never sit in a parked vehicle with the
engine running for a extended period. If the vehicle isstopped in an open area with engine running for more
than a short period, adjust the ventilation system to
force fresh, outside air into the vehicle.
²Guard against carbon monoxide with proper mainte-
nance. Have the exhaust system inspected every time
the vehicle is raised. Have any abnormal conditions
repaired promptly. Until repaired, drive with all side
windows fully open.
²Always run the climate control in panel or floor mode
when driving with any windows open, even if only
slightly, to help keep fresh air circulating inside ve-
hicle. Otherwise poisonous gases could be drawn into
the vehicle.
²On hardtop models, keep the tailgate window closed
when driving your vehicle. On fabric top models, do
not drive with the rear window curtain up unless the
side curtains are also open. This will prevent carbon
monoxide and other poisonous exhaust gases from
entering the vehicle.
40 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

NDaytime Running Lights Ð Canada Only.....58
mWindshield Wipers And Washers...........58
NIntermittent Wiper System................58
NWindshield Wiper Operation..............59
NWindshield Washers....................59
NMist Feature..........................59
mTilt Steering Column.....................60
mElectronic Speed Control..................60
NTo Activate...........................61
NTo Set At A Desired Speed................61
NTo Deactivate.........................61
NTo Resume Speed......................61
NTo Vary The Speed Setting................61
NTo Accelerate For Passing................62
mCigar Lighter And Ashtrays Ð If Equipped....62
mElectrical Power Outlet...................63
NElectrical Outlet Use With Engine Off........63
mCup Holders..........................64
mStorage...............................65
NGlove Compartment....................65
NConsole Storage Compartment Ð
If Equipped..........................65
NAdd-A-TrunkŸ Ð If Equipped............65
mDual Top Ð If Equipped..................66
NRemoving The Soft Top..................66
NInstalling The Soft Top..................68
mHard Top.............................78
NHard Top Removal.....................79
NHard Top Installation...................82
44 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

Front Fog Lights Ð If Equipped
The front fog light switch is in the multi-function
control lever. To activate the front fog lights, turn
on the parking or low beam headlights and pull
out the end of the lever.
NOTE:The fog lights will only operate with the park-
ing lights or the headlights on low beam. Selecting high
beam headlights will turn off the fog lights.
Turn Signals
Move the multi-function control lever up or down and
the arrows on each side of the instrument cluster flash to
show proper operation of the front and rear turn signal
lights. You can signal a lane change by moving the lever
partially up or down without moving beyond the detent.
If either light remains on and does not flash, or there is a
very fast flash rate, check for a defective outside light
bulb. If an indicator fails to light when the lever is
moved, it would suggest that the fuse or indicator bulb is
defective.
NOTE:A tone will chime if the turn signals are left on
for more than 1 mile (2 km).
Daytime Running Lights Ð Canada Only
The headlights come on at a low intensity level after the
vehicle has been driven approximately 3 feet (1 meter).
They will turn off when the vehicle is turned off or when
the headlights are switched on.
WINDSHIELD WIPERS AND WASHERS
CAUTION!
In cold weather, always turn off the wiper switch
and allow the wipers to return to the park position
before turning off the engine. If the wiper switch is
left on and the wipers freeze to the windshield,
damage to the wiper motor may occur when the
vehicle is restarted.
Intermittent Wiper System
Use the intermittent wiper when weather conditions
make a single wiping cycle, with a variable pause be-
tween cycles, desirable. Move the lever to the DELAY
position, then select the delay interval by turning the end
58 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

ELECTRICAL POWER OUTLET
To the right of the cigar lighter (if equipped) is the 12 volt
power outlet. The outlet is connected directly to the
battery, items plugged into this outlet may discharge the
battery and/or prevent engine starting. The outlet in-
cludes a tethered cap labeled with a battery symbol
indicating the power source.
Electrical Outlet Use With Engine Off
WARNING!
²Many accessories that can be plugged in draw
power from the vehicle's battery, even when not
in use (i.e. cellular phones, etc.). Eventually, if
plugged in long enough, the vehicle's battery will
discharge sufficiently to degrade battery life
and/or prevent engine starting.
²Accessories that draw higher power (i.e. coolers,
vacuum cleaners, lights, etc.), will degrade the
battery even more quickly. Only use these inter-
mittently and with greater caution.
²After the use of high power draw accessories, or
long periods of the vehicle not being started (with
accessories still plugged in), the vehicle must be
driven a sufficient length of time to allow the
alternator to recharge the vehicle's battery.
²Power outlets are designed for accessory plugs
only. Do not hang any type of accessory or acces-
sory bracket from the plug. Improper use of the
power outlet can cause damage not covered by
your warranty.
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 63
3

INSTRUMENT CLUSTER DESCRIPTION
Your vehicle is equipped with the instrument cluster
described on the following pages.
1. Voltmeter
Indicates available battery voltage and charging
system operation. The lower red zone indicates
that battery charge may be too low to start the engine.
With the engine running, the normal operating range
is between 11 and 15 volts. Prolonged gauge readings
between 8-11 (undercharge) or above 15 (overcharge)
indicate possible malfunction of generator, voltage
regulator or battery. See your dealer if such indications
occur.
2. Front Fog Light Indicator Light Ð If Equipped
This light shows when the front fog lights are
on.
3. Cruise Indicator Light
This light shows when the electronic speed
control system is turned on.4. Sentry Key Indicator Light Ð If Equipped
Refer to ªSentry Key Immobilizer Systemº in
Section 2 of this manual.
5. Tachometer
Indicates the engine speed in revolutions per minute
(RPM).
CAUTION!
Do not operate the engine with the tachometer
pointer in the red area. Engine damage will occur.
6. Turn Signal Indicator Lights
The arrows will flash with the exterior turn sig-
nals when the turn signal lever is operated. A tone
will chime if the turn signals are left on for more than
1 mile (2 km).
116 UNDERSTANDING YOUR INSTRUMENT PANEL