Oil JEEP PATRIOT 2008 1.G User Guide

Window Fogging
Vehicle side windows tend to fog on the inside in mild
rainy or humid weather. To clear the windows, set mode
to the mix or defrost position. Direct the panel outlets
toward the side windows. Do not use recirculate without
A/C for long periods as fogging may occur.
Interior fogging on the windshield can be quickly re-
moved by using the defrost position.
If the fogging problem persists, clean the inside window
surfaces. The cause of undue fogging may be dirt collect-
ing on the inside surface of the glass.
NOTE:In cold weather, the use of the recircu-
late position will cause windows to fog on the
inside because of moisture build up inside the
vehicle. Moisture and ice can also accumulate
on the inside of the sheet metal and may result inheadliner and/or electronic component damage. For
maximum defogging, press the recirculation button until
recirculate is off.
Summer Operation
Air conditioned vehicles must be protected with a high-
quality antifreeze coolant to provide proper corrosion
protection and to raise the boiling point of the coolant for
protection against overheating. A 50% concentration is
recommended.
Outside Air Intake
When operating the system during the winter months,
make sure the air intake, directly in front of the wind-
shield, is free of ice, slush, snow or other obstructions
such as leaves. Leaves collected in the air-intake plenum
may reduce air flow and plug the plenum water drains.
The blower air will heat faster in cold weather if you use
only a low blower speed for the first few minutes of
vehicle operation.
UNDERSTANDING YOUR INSTRUMENT PANEL 233
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•Unique springs fora1in(2.5cm)ofincreased ride
height
•Fog lamps
•Seat height adjust
•Three-mode Electronic Stability Program (ESP)
•Hilldescent control
•Unique off-road engine calibration for optimum off-
road performance with premium fuel
•Off-road Brake Traction Control
•Unique off-road Anti-lock brake calibration
•Heavy duty cooling package (Eng/larger CVT oil
cooler, High capacity cooling fans)
•Heavy duty alternator
•Improved body sealing and high located drivetrain
component vents
•Reinforced rear lateral links
Freedom Drive II 4WD System Operation
Under normal driving conditions, the vehicle operates in
the active 4–wheel drive mode. Pulling up on the 4WD
lock lever activates the 4WD system and lights the amber
4WD cluster light. This commands a higher torque to the
rear wheels, for improved traction capability on slippery
roads. The active 4–wheel drive mode has the same
functionality with the Freedom Drive I system. Shifting
the transaxle gear select lever into Low Off-Road mode
with the 4WD lock lever active, lights the amber off-road
and 4WD cluster lights. This off-road mode gives the
combined benefits of a 19:1 crawl ratio, hill descent
braking, optimum off-road performance with premium
fuel, and off-road brake traction control for improved
traction capability off-road. In low, the transaxle (CVT2L)
initially maintains the 19:1 crawl ratio before changing
ratio. This low ratio is ideal for crawling over obstacles.
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WARNING!
Never attempt to climb a hill at an angle or turn
around on a steep grade. Driving across an incline
increases the risk of a rollover, which may result in
severe injury.
•Driving Down Hill– Before driving down a steep hill
you need to determine if it is too steep for a safe
descent. What is the surface traction? Is the grade too
steep to maintain a slow controlled descent? Are there
obstacles? Is it a straight descent? Is there plenty of
distance at the base of the hill to regain control if the
vehicle descends to fast? If you feel confident in your
ability to proceed then make sure you are in low (L
Off-Road) with the 4WD LOCK engaged and proceedwith caution. Allow engine and hill descent braking to
control the descent and apply your brakes if necessary,
but do not allow the tires to lock.
WARNING!
Do not descend a steep grade in NEUTRAL. Use
vehicle brakes in conjunction with engine braking.
Descending a grade too fast could cause you to lose
control and be seriously injured.
•Driving Across An Incline– If at all possible avoid
driving across an incline. If it is necessary, know your
vehicle’s abilities. Driving across an incline places
more weight on the down-hill wheels, which increases
the possibilities of a down-hill slide or rollover. Make
sure the surface has good traction with firm and stable
soils. If possible transverse the incline at an angle
heading slightly up or down.
266 STARTING AND OPERATING

Many states have laws requiring tire replacement at this
point.
Life of Tire
The service life of a tire is dependent upon varying
factors including, but not limited to:
•Driving style
•Tire pressure
•Distance driven
WARNING!
Tires and the spare tire should be replaced after six
years, regardless of the remaining tread. Failure to
follow this warning can result in sudden tire failure.
You could lose control and have an accident resulting
in serious injury or death.Keep dismounted tires in a cool, dry place with as little
exposure to light as possible. Protect tires from contact
with oil, grease, and gasoline.
Replacement Tires
The tires on your new vehicle provide a balance of many
characteristics. They should be inspected regularly for
wear and correct cold tire inflation pressure. The manu-
facturer strongly recommends that you use tires equiva-
lent to the originals in size, quality and performance
when replacement is needed. (Refer to the paragraph on
“Tread Wear Indicators”). Refer to the “Tire and Loading
Information” placard for the size designation of your tire.
The service description and load identification will be
found on the original equipment tire. Failure to use
equivalent replacement tires may adversely affect the
safety, handling, and ride of your vehicle. We recommend
that you contact your original equipment or an autho-
rized tire dealer with any questions you may have on tire
specifications or capability.
298 STARTING AND OPERATING

the engine cooling system and turning off the A/C
removes this heat. You can also turn the Temperature
control to maximum heat, the Mode control to floor, and
the fan control to HIGH. This allows the heater core to act
as a supplement to the radiator and aids in removing heat
from the engine cooling system.
CAUTION!
Driving with a hot cooling system could damage
your vehicle. If the temperature gauge reads “H”,
pull over when safe and stop the vehicle with the
engine at idle. Turn the air conditioner OFF and wait
until the pointer drops back into the normal range.
After appropriate action has been taken, if the
pointer remains on the “H”, turn the engine OFF
immediately and call for service.
WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. You may want to call a service center if your
vehicle overheats. If you decide to look under the
hood yourself, refer to “Maintenance”, Section 7 of
this manual. Follow the warnings under the Cooling
System Pressure Cap paragraph.
AUTOMATIC TRANSAXLE OVERHEATING
During sustained high speed driving or trailer towing up
long grades on hot days, the automatic transaxle oil may
become too hot.
If this happens, the transmission overheat indi-
cator light will come on, and the vehicle will
slow slightly until the automatic transaxle cools
down enough to allow a return to the requested speed. If
the high speed is maintained, the overheating will reoccur,
as before, in a cyclic fashion.
WHAT TO DO IN EMERGENCIES 333
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MAINTAINING YOUR VEHICLE
CONTENTS

Engine Compartment — Gasoline...........348

Onboard Diagnostic System — OBD II........349
▫Loose Fuel Filler Cap Message............349

Emissions Inspection And Maintenance
Programs............................350

Replacement Parts......................351

Authorized Dealer Service................352

Maintenance Procedures..................352
▫Engine Oil..........................352▫Drive Belt — Check Condition............356
▫Spark Plugs.........................356
▫Catalytic Converter....................356
▫Crankcase Emission Control System........358
▫Fuel Filter..........................358
▫Air Cleaner Element (Filter)..............358
▫Maintenance-Free Battery................359
▫Air Conditioner Maintenance.............361
▫Power Steering — Fluid Check............362
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AUTHORIZED DEALER SERVICE
Your authorized dealer has the qualified service person-
nel, special tools, and equipment to perform all service
operations in an expert manner. Service manuals are
available which include detailed service information for
your vehicle. Refer to these service manuals before
attempting any procedure yourself.
NOTE:Intentional tampering with emissions control
systems can result in civil penalties being assessed
against you.
WARNING!
You can be badly injured working on or around a
motor vehicle. Only do service work for which you
have the knowledge and the proper equipment. If you
have any doubt about your ability to perform a service
job, take your vehicle to a competent mechanic.
MAINTENANCE PROCEDURES
The pages that follow contain therequiredmaintenance
services determined by the engineers who designed your
vehicle.
Besides the maintenance items for which there are fixed
maintenance intervals, there are other items that should
operate satisfactorily without periodic maintenance.
However, if a malfunction of these items does occur, it
could adversely affect the engine or vehicle performance.
These items should be inspected if a malfunction is
observed or suspected.
Engine Oil
Checking Oil Level
To assure proper engine lubrication, the engine oil must
be maintained at the correct level. Check the oil level at
regular intervals, such as every fuel stop.
352 MAINTAINING YOUR VEHICLE

The best time to check the engine oil level is about five
minutes after a fully warmed engine is shut off. Do not
check oil level before starting the engine after it has sat
overnight. Checking engine oil level when the engine is
cold will give you an incorrect reading.Checking the oil while the vehicle is on level ground and
only when the engine is hot, will improve the accuracy of
the oil level readings. Maintain the oil level between the
range markings on the dipstick. The range markings will
consist of a crosshatch zone that says SAFE or a cross-
hatch zone that says MIN at the low end of the range and
MAX at the high end of the range. Adding 1 qt (1L) of oil
when the reading is at the low end of the indicated range
will result in the oil level at the full end of the indicator
range.
CAUTION!
Do not overfill the engine. Overfilling the engine as
indicated by the range markings, as described above,
on the engine oil dipstick will cause oil aeration,
which can lead to loss of oil pressure and an increase
in oil temperature. This could damage your engine.
Engine Oil Dipstick
MAINTAINING YOUR VEHICLE 353
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Change Engine Oil
Refer to the “Maintenance Schedule” in Section 8 for
recommended engine oil change intervals.
Engine Oil Selection (Gasoline Engines)
For best performance and maximum protection for all
engines under all types of operating conditions, the
manufacturer recommends engine oils that are API Cer-
tified and meet the requirements of DaimlerChrysler
Material Standard MS-6395.
American Petroleum Institute (API) Engine Oil
Identification Symbol
This symbol means that the oil has
been certified by the American
Petroleum Institute (API). The
manufacturer only recommends
API Certified engine oils.
Engine Oil Viscosity (SAE Grade)
SAE 5W-20 engine oil is recommended for all operating
temperatures. This engine oil improves low temperature
starting and vehicle fuel economy. Your engine oil filler
cap also states the recommended engine oil viscosity
grade for your engine.
354 MAINTAINING YOUR VEHICLE

Lubricants which do not have both the engine oil certi-
fication mark and the correct SAE viscosity grade num-
ber should not be used.
Synthetic Engine Oils
You may use synthetic engine oils provided the recom-
mended oil quality requirements are met, and the recom-
mended maintenance intervals for oil and filter changes
are followed.
Materials Added To Engine Oils
The manufacturer strongly recommends against the addi-
tion of any additives (other than leak detection dyes) to the
engine oil. Engine oil is an engineered product and its
performance may be impaired by supplemental additives.
Disposing Of Used Engine Oil
Care should be taken in disposing of used engine oil from
your vehicle. Used oil, indiscriminately discarded, can
present a problem to the environment. Contact yourauthorized dealer, service station, or governmental
agency for advice on how and where used oil can be
safely discarded in your area.
Engine Oil Filter
The engine oil filter should be replaced at every engine
oil change.
Engine Oil Filter Selection
All of this manufacturer’s engines have a full-flow type
disposable oil filter. Use a filter of this type for replace-
ment. The quality of replacement filters varies consider-
ably. Only high quality filters should be used to assure
most efficient service. MoparEngine Oil Filters are high
quality oil filters and are recommended.
MAINTAINING YOUR VEHICLE 355
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