Jeep Wrangler 4xe (2023 year). Manual in english — page 20
SERVICING AND MAINTENANCE
313
A
DDITIONAL
M
AINTENANCE
— B6 T
O
B20 B
IODIESEL
NOTE:
Under no circumstances should oil change intervals exceed 8,000 miles (12,875 km) or six months, whichever comes first when using biodiesel blends greater than 5% (B5).
The owner is required to monitor mileage for B6-B20 biodiesel, the automatic oil change indicator system does not reflect the use of biofuels.
Fuel filter change interval is maintained at every second oil change. This is especially important with biodiesel usage.
For more information on using biodiesel
Flush and replace the engine coolant at 10 years or 150,000 miles
(240,000 km) whichever comes first.
X
X
Replace accessory drive belt(s).
X
Change transfer case fluid.
X
Mileage Or Time Passed (Whichever Comes First)
10,000
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
150,000
Or Years:
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15
Or Kilometers:
16,000
32,000
48,000
64,000
80,000
96,000
112,000
128,000
144,000
160,000
176,000
192,000
208,000
224,000
240,000
WARNING!
You can be badly injured working on or around a motor vehicle. Do only service work for which you have the knowledge and the right equipment. If you have any doubt about your
ability to perform a service job, take your vehicle to a competent mechanic.
Failure to properly inspect and maintain your vehicle could result in a component malfunction and affect vehicle handling and performance. This could cause an accident.
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SERVICING AND MAINTENANCE
ENGINE COMPARTMENT
2.0L G
ASOLINE
E
NGINE
1 — Battery
6 — Brake Fluid Reservoir Cap
2 — Power Distribution Center (Fuses)
7 — Washer Fluid Reservoir Cap
3 — Engine Oil Dipstick
8 — Engine Air Cleaner Filter
4 — Engine Oil Fill
9 — Power Steering Reservoir Cap
5 — Engine Coolant Pressure Cap
10 — Intercooler Coolant Reservoir Cap
SERVICING AND MAINTENANCE
315
3.6L G
ASOLINE
E
NGINE
1 — Power Distribution Center (Fuses)
7 — Power Pack Unit Pressure Cap — If Equipped
2 — Battery
8 — Washer Fluid Reservoir Cap
3 — Engine Oil Dipstick
9 — Engine Air Cleaner Filter
4 — Engine Oil Fill
10 — Power Steering Reservoir Cap
5 — Engine Coolant Pressure Cap
11 — Motor Generator Unit Coolant Pressure Cap— If Equipped
6 — Brake Fluid Reservoir Cap
8
316
SERVICING AND MAINTENANCE
3.0L D
IESEL
E
NGINE
1 — Battery
6 — Power Distribution Center (Fuses)
2 — Engine Oil Fill
7 — Power Steering Reservoir Cap
3 — Engine Coolant Pressure Reservoir Cap
8 — Engine Oil Dipstick
4 — Brake Fluid Reservoir Cap
9 — Engine Air Cleaner Filter
5 — Washer Fluid Reservoir Cap
SERVICING AND MAINTENANCE
317
C
HECKING
O
IL
L
EVEL
To ensure 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. The best time to
check the engine oil level is about five minutes after a fully
warmed up engine is shut off.
Checking the oil while the vehicle is on level ground will
improve the accuracy of the oil level readings.
There are four possible dipstick types:
Crosshatched zone.
Crosshatched zone marked SAFE.
Crosshatched zone marked with MIN at the low end of
the range and MAX at the high end of the range.
Crosshatched zone marked with dimples at the MIN
and the MAX ends of the range.
NOTE:
Always maintain the oil level within the crosshatch
markings on the dipstick.
NOTE:
Use care when filling under hood fluids such as engine oil,
washer fluid, antifreeze, etc., to minimize spillage onto the
top of the engine. Any excess fluid that is spilled onto the
top of the engine should be removed using compressed
air or an absorbent cloth.
Adding 1 qt (1 L) of oil when the reading is at the low end
of the dipstick range will raise the oil level to the high end
of the range marking.
A
DDING
W
ASHER
F
LUID
The fluid reservoir for the windshield washers and the rear
window washer (if equipped) is shared. The fluid reservoir
is located in the engine compartment. Be sure to check
the fluid level at regular intervals. Fill the reservoir with
windshield washer solvent only (not radiator antifreeze).
When refilling the washer fluid reservoir, take some
washer fluid and apply it to a cloth or towel and wipe clean
the wiper blades; this will help blade performance.
To prevent freeze-up of your windshield washer system in
cold weather, select a solution or mixture that meets or
exceeds the temperature range of your climate. This rating
information can be found on most washer fluid containers.
NOTE:
Use care when filling under hood fluids such as engine oil,
washer fluid, antifreeze, etc., to minimize spillage onto the
top of the engine. Any excess fluid that is spilled onto the
top of the engine should be removed using compressed
air or an absorbent cloth.
M
AINTENANCE
-F
REE
B
ATTERY
Your vehicle is equipped with a maintenance-free battery.
You will never have to add water, and periodic
maintenance is not required.
CAUTION!
Overfilling or underfilling the crankcase will cause
aeration or loss of oil pressure. This could damage your
engine.
WARNING!
Commercial windshield washer solvents are flammable.
They could ignite and burn you. Care must be exercised
when filling or working around the washer solution.
WARNING!
Battery fluid is a corrosive acid solution and can burn
or even blind you. Do not allow battery fluid to
contact your eyes, skin, or clothing. Do not lean over
a battery when attaching clamps. If acid splashes in
eyes or on skin, flush the area immediately with large
Battery gas is flammable and explosive. Keep flame
or sparks away from the battery. Do not use a
booster battery or any other booster source with an
output greater than 12 Volts. Do not allow cable
clamps to touch each other.
Battery posts, terminals, and related accessories
contain lead and lead compounds. Wash hands after
handling.
Vehicles with the Stop/Start system will be equipped
with two batteries. Both the main and the supple
-
mental batteries must be disconnected to
completely de-energize the 12 Volt electrical system.
Serious injury or death could result if you do not
disconnect both batteries. To learn how to properly
disconnect, see an authorized dealer.
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SERVICING AND MAINTENANCE
P
RESSURE
W
ASHING
Cleaning the engine compartment with a high pressure
washer is not recommended.
VEHICLE MAINTENANCE
An authorized dealer has the qualified service personnel,
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 may
void your warranty and could result in civil penalties being
assessed against you.
E
NGINE
O
IL
Engine Oil Selection
American Petroleum Institute (API)
Approved Engine Oil
These symbols mean that the oil has been certified by the
API. The manufacturer only recommends API trademark
oils.
The API Starburst trademark certifies 0W-20,
0W-30 and 5W-30 engine oils.
The API Donut trademark certifies 0W-40 and
5W-40 engine oil.
Synthetic Engine Oils
Your engine was designed for synthetic engine oils, only
use synthetic API approved engine oils.
Synthetic engine oils which do not have both the correct
API trademark and the correct SAE viscosity grade
numbers should not be used.
CAUTION!
It is essential when replacing the cables on the
battery that the positive cable is attached to the posi
-
tive post and the negative cable is attached to the
negative post. Battery posts are marked positive (+)
and negative (-) and are identified on the battery
case. Cable clamps should be tight on the terminal
posts and free of corrosion.
If a “fast charger” is used while the battery is in the
vehicle, disconnect both vehicle battery cables
before connecting the charger to the battery. Do not
use a “fast charger” to provide starting voltage.
Vehicles with the Stop/Start system will be equipped
with two batteries. Both the main and the supple
-
mental batteries must be disconnected to
completely de-energize the 12 Volt electrical system.
If the negative battery cables are not isolated prop
-
erly it can cause a potential power spike or surge in
the system, resulting in damage to essential elec
-
trical components.
CAUTION!
Precautions have been taken to safeguard all parts and
connections however, the pressures generated by these
machines is such that complete protection against
water ingress cannot be guaranteed.
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.
CAUTION!
Do not use chemical flushes in your engine oil as the
chemicals can damage your engine. Such damage is
not covered by the New Vehicle Limited Warranty.
SERVICING AND MAINTENANCE
319
Materials Added To Engine Oil
The manufacturer strongly recommends against the
addition 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 And Oil
Filters
Care should be taken in disposing of used engine oil and
oil filters from your vehicle. Used oil and oil filters,
indiscriminately discarded, can present a problem to the
environment. Contact an authorized dealer, service
station or governmental agency for advice on how and
where used oil and oil filters can be safely discarded in
your area.
E
NGINE
O
IL
F
ILTER
The engine oil filter should be replaced with a new filter at
every engine oil change.
Engine Oil Filter Selection
A full-flow type disposable oil filter should be used for
replacement. The quality of replacement filters varies
considerably. We recommend using a Mopar® Engine Oil
Filter. If a Mopar® Engine Oil Filter is unavailable only use
filters that meet or exceed SAE/USCAR-36 Filter
Performance Requirements.
E
NGINE
A
IR
C
LEANER
F
ILTER
For the proper maintenance intervals
page 307 for
page 311 for diesel engines.
NOTE:
Be sure to follow the “Severe Duty Conditions” mainte
-
nance interval if applicable.
Engine Air Cleaner Filter Selection
The quality of replacement engine air cleaner filters varies
considerably. Only high quality Mopar® filters should be
used.
Engine Air Cleaner Filter Inspection and
Replacement— Gasoline Engine
Follow the recommended maintenance intervals as shown
in the Maintenance Schedule in this section.
Engine Air Cleaner Filter Removal
1. Loosen the fasteners from the engine air cleaner
filter cover using a suitable tool.
Engine Air Cleaner Filter Cover
2. Lift the engine air cleaner filter cover to access the
engine air cleaner filter.
WARNING!
The air induction system (air cleaner, hoses, etc.) can
provide a measure of protection in the case of engine
backfire. Do not remove the air induction system (air
cleaner, hoses, etc.) unless such removal is necessary
for repair or maintenance. Make sure that no one is
near the engine compartment before starting the
vehicle with the air induction system (air cleaner, hoses,
etc.) removed. Failure to do so can result in serious
personal injury.
1 — Fasteners
2 — Engine Air Cleaner Filter Cover
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320
SERVICING AND MAINTENANCE
3. Remove the engine air cleaner filter from the housing
assembly.
Engine Air Cleaner Filter Cover
Engine Air Cleaner Filter Installation
NOTE:
Inspect and clean the housing if significant dirt or debris is
present before replacing the engine air cleaner filter.
1. Install the engine air cleaner filter into the housing
assembly with the engine air cleaner filter
inspection surface facing downward.
2. Tighten engine air cleaner filter cover fasteners using
a suitable tool.
Engine Air Cleaner Filter Inspection and
Replacement — Diesel Engine
Follow the recommended maintenance intervals as shown
in the Maintenance Schedule in this section.
Engine Air Cleaner Filter Removal
1. Loosen the fasteners from the engine air cleaner
filter cover using a suitable tool.
Engine Air Cleaner Filter Cover
2. Lift the engine air cleaner filter cover to access the
engine air cleaner filter.
3. Remove the engine air cleaner filter from the housing
assembly.
Engine Air Cleaner Filter
Engine Air Cleaner Filter Installation
NOTE:
Inspect and clean the housing if significant dirt or debris is
present before replacing the engine air cleaner filter.
1. Install the engine air cleaner filter into the housing
assembly with the engine air cleaner filter
inspection surface facing downward.
2. Tighten engine air cleaner filter cover fasteners using
a suitable tool.
CAUTION!
Do not overtighten the engine air cleaner filter cover lid
screws or damage may result.
1 — Engine Air Cleaner Filter Cover
2 — Fasteners
1 — Engine Air Cleaner Filter Cover
2 — Engine Air Cleaner Filter
CAUTION!
Do not overtighten the engine air cleaner filter cover lid
screws or damage may result.
SERVICING AND MAINTENANCE
321
D
RAINING
F
UEL
/W
ATER
S
EPARATOR
F
ILTER
— D
IESEL
E
NGINE
The fuel/water separator housing is located inside the left
frame rail in front of the fuel tank. The best access to this
water drain valve is from under the vehicle.
If necessary remove the fuel filter protective cover to
access the water drain valve.
Fuel/Water Separator Filter
If water is detected in the water separator while the engine
is running, or while the ignition switch is in the ON position,
the Water In Fuel Indicator Light will illuminate and an
audible chime will be heard. At this point you should stop
the engine and drain the water from the filter housing.
Fuel/Water Separator Filter
Within 10 minutes of vehicle shutdown, turn the filter
drain valve (located on the bottom of the filter housing)
counterclockwise to drain fuel/water; allow the
accumulated water to drain. Leave the drain valve open
until all water and contaminants have been removed.
When clear fuel is visible, close the drain valve by turning
it clockwise.
Upon proper draining of the water from fuel filter
assembly, the Water In Fuel Indicator Light will remain
illuminated for approximately 10 seconds. If the water was
drained while the engine was running, the Water In Fuel
Indicator Light may remain on for approximately three
minutes.
NOTE:
Care should be taken in disposing of used fluids from your
vehicle. Used fluids, indiscriminately discarded, can
present a problem to the environment. Contact an autho
-
rized dealer, service station, or government agency for
advice on recycling programs and for where used fluids
and filters can be properly disposed of in your area.
If more than two ounces or 60 ml of fuel have been
drained, follow the directions for Priming If The Engine Has
F
UEL
F
ILTER
R
EPLACEMENT
— D
IESEL
E
NGINE
NOTE:
Using a fuel filter that does not meet the manufacturer’s
filtration and water separating requirements can severely
impact fuel system life and reliability. We recommend you
use Mopar® Fuel Filter. Must meet 3 micron rating.
CAUTION!
Do not drain the fuel/water separator filter when the
engine is running.
Diesel fuel will damage blacktop paving surfaces.
Drain the filter into an appropriate container.
1 — Retainers
2 — Fuel Filter Protective Cover
1 — Water In Fuel Drain Valve
CAUTION!
Diesel fuel will damage blacktop paving surfaces.
Drain the filter into an appropriate container.
Do not prefill the fuel filter when installing a new fuel
filter. There is a possibility debris could be introduced
into the fuel filter during this action. It is best to
install the filter dry and allow the in-tank lift pump to
prime the fuel system.
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SERVICING AND MAINTENANCE
1. Ensure engine is turned off.
2. Remove the fuel filter protective cover to access the
fuel filter assembly.
Fuel Filter Assembly
3. Place drain pan under the fuel filter assembly.
4. Open the water drain valve, and let any accumulated
water and fuel drain.
5. Close the water drain valve.
Fuel Filter Assembly
6. Wipe clean the underside of the filter housing to
prevent contamination from entering fuel system
during service.
7. Remove the fuel filter cap and filter from the housing
using a socket. Rotate counterclockwise for removal.
Fuel Filter Assembly
8. Remove the used fuel filter cartridge from the cap
and dispose of according to your local regulations.
9. Wipe clean the sealing surfaces of the cap and
housing.
1 — Retainers
2 — Fuel Filter Protective Cover
1 — Water Drain Valve
1 — Fuel Filter Cap
2 — Socket Adapter
CAUTION!
Take care when handling the new fuel filter to prevent
contamination from entering the fuel system.
SERVICING AND MAINTENANCE
323
10. Lubricate o-ring on the cap with clean engine oil.
11. Install the new fuel filter cartridge onto the cap.
12. Insert the cap and filter into the housing with
clockwise rotation, use a socket to tighten.
13. Push the ignition switch twice without your foot on the
brake to place vehicle in RUN position. This will
activate the in tank fuel pump for approximately 30
seconds. Repeat this process twice to prime the fuel
system. Start the engine using the Normal Starting
procedure. After engine start, verify the fuel filter cap
does not leak.
P
RIMING
I
F
T
HE
E
NGINE
H
AS
R
UN
O
UT
O
F
F
UEL
— D
IESEL
E
NGINE
1. Add a substantial amount of fuel to the tank, approx
-
imately 2 to 5 gal (8L to 19L).
2. Push ignition switch twice without your foot on brake
to put vehicle in RUN position. This will activate the in
tank fuel pump for approximately 30 seconds.
Repeat this process twice to prime the fuel system.
3. Start the engine using the Normal Starting procedure
NOTE:
The engine may run rough until the air is forced from all
the fuel lines.
NOTE:
Use of biodiesel mixture in excess of 20% can nega
-
tively impact the fuel filter's ability to separate water
from the fuel, resulting in high pressure fuel system
corrosion or damage.
In addition, commercially available fuel additives are
not necessary for the proper operation of your diesel
engine.
For extreme cold conditions, "Mopar® Premium Diesel
Fuel Treatment" is recommended to assist with cold
starting.
I
NTERVENTION
R
EGENERATION
S
TRATEGY
— M
ESSAGE
P
ROCESS
F
LOW
This engine meets all required diesel engine emissions
standards. To achieve these emissions standards, your
vehicle is equipped with a state-of-the-art engine and
exhaust system. These systems are seamlessly integrated
into your vehicle and managed by the Powertrain Control
Module (PCM). The PCM manages engine combustion to
allow the exhaust system’s catalyst to trap and burn
Particulate Matter (PM) pollutants, with no input or
interaction on your part.
Additionally, your vehicle has the ability to alert you to
additional maintenance required on your vehicle or
engine.
Refer to Instrument Cluster Display for further information
D
IESEL
E
XHAUST
F
LUID
Diesel Exhaust Fluid (DEF) sometimes known simply by
the name of its active component, UREA—is a key
component of Selective Catalytic Reduction (SCR)
systems, which help diesel vehicles meet stringent
emission regulations. DEF is a liquid reducing agent that
WARNING!
Do not open the high pressure fuel system with the
engine running. Engine operation causes high fuel
pressure. High pressure fuel spray can cause serious
injury or death.
CAUTION!
The starter motor will engage for approximately
30 seconds at a time. Allow two minutes between
cranking intervals.
WARNING!
Do not use alcohol or gasoline as a fuel blending agent.
They can be unstable under certain conditions and be
hazardous or explosive when mixed with diesel fuel.
CAUTION!
Due to lack of lubricants in alcohol or gasoline, the use
of these fuels can cause damage to the fuel system.
WARNING!
A hot exhaust system can start a fire if you park over
materials that can burn. Such materials might be grass
or leaves coming into contact with your exhaust system.
Do not park or operate your vehicle in areas where your
exhaust system can contact anything that can burn.
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SERVICING AND MAINTENANCE
reacts with engine exhaust in the presence of a catalyst to
convert smog-forming Nitrogen Oxides (NOx) into
harmless nitrogen and water vapor.
For further information
A
CCESSORY
D
RIVE
B
ELT
I
NSPECTION
When inspecting accessory drive belts, small cracks that
run across the ribbed surface of the belt, from rib to rib,
are considered normal. These are not a reason to replace
a belt. However, cracks running along a rib (not across) are
not normal. Any belt with cracks running along a rib must
be replaced. Also have the belt replaced if it has excessive
wear, frayed cords, or severe glazing.
Accessory Belt (Serpentine Belt)
Conditions that would require replacement:
Rib chunking (one or more ribs has separated from belt
body)
Rib or belt wear
Longitudinal belt cracking (cracks between two ribs)
Belt slips
Groove jumping (belt does not maintain correct posi
-
tion on pulley)
Belt broken
Noise (objectionable squeal, squeak, or rumble is
heard or felt while drive belt is in operation)
NOTE:
Identify and correct problem before new belt is installed.
Some conditions can be caused by a faulty component
such as a belt pulley. Belt pulleys should be carefully
inspected for damage and proper alignment.
Belt replacement on some models requires the use of
special tools, we recommend having your vehicle serviced
at an authorized dealer.
A
IR
C
ONDITIONER
M
AINTENANCE
For best possible performance, your air conditioner should
be checked and serviced by an authorized dealer at the
start of each warm season. This service should include
cleaning of the condenser fins and a performance test.
Drive belt tension should also be checked at this time.
WARNING!
Do not attempt to inspect an accessory drive belt
with the vehicle running.
When working near the radiator cooling fan, discon
-
nect the fan motor lead. The fan is temperature
controlled and can start at any time regardless of
ignition mode. You could be injured by the moving
fan blades.
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.
WARNING!
Use only refrigerants and compressor lubricants
approved by the manufacturer for your air condi
-
tioning system. Some unapproved refrigerants are
flammable and can explode, injuring you. Other
unapproved refrigerants or lubricants can cause the
system to fail, requiring costly repairs. Refer to
Warranty Information Book, located in your owner’s
information kit, for further warranty information.
The air conditioning system contains refrigerant
under high pressure. To avoid risk of personal injury
or damage to the system, adding refrigerant or any
repair requiring lines to be disconnected should be
done by an experienced technician.
CAUTION!
Do not use chemical flushes in your air conditioning
system as the chemicals can damage your air
conditioning components. Such damage is not covered
by the New Vehicle Limited Warranty.
SERVICING AND MAINTENANCE
325
Refrigerant Recovery And Recycling —
R–1234yf
R–1234yf Air Conditioning Refrigerant is a Hydrofluo
-
roolefin (HFO) that is endorsed by the Environmental
Protection Agency and is an ozone-friendly substance with
a low global-warming potential. The manufacturer
recommends that air conditioning service be performed by
an authorized dealer using recovery and recycling
equipment.
NOTE:
Use only the manufacturer approved A/C system PAG
compressor oil, and refrigerants.
Cabin Air Filter
The cabin air filter is located in the fresh air inlet behind
the glove compartment. Perform the following procedure
to replace the filter:
1. Open the glove compartment and remove all
contents.
2. Push up on the glove compartment travel stop and
lower the door.
Glove Compartment Travel Stop
3. Pivot the glove compartment downward.
4. Disengage the two retaining tabs that secure the air
filter access door to the HVAC housing.
Air Filter Retaining Tabs
5. Remove the air filter from the HVAC air inlet housing.
Pull the filter elements out pinching them to the right
for clearance.
Air Filter
6. Install the cabin air filter with the air filter position
indicators pointing in the same direction as removal.
7. Close cabin air filter access door and secure retaining
tabs.
WARNING!
Do not remove the cabin air filter while the vehicle is
running, or while the ignition is in the ACC or ON/RUN
mode. With the cabin air filter removed and the blower
operating, the blower can contact hands and may
propel dirt and debris into your eyes, resulting in
personal injury.
CAUTION!
The cabin air filter is identified with an arrow to indicate
airflow direction through the filter. Failure to properly
install the filter will result in the need to replace it more
often.
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SERVICING AND MAINTENANCE
8. Rotate the glove compartment door back into
position ensuring you have properly engaged the
travel dampener.
Travel Dampener
For the proper maintenance intervals, see
page 307 for
page 311 for diesel engines.
B
ODY
L
UBRICATION
Locks and all body pivot points, including such items as
seat tracks, door hinge pivot points and rollers, liftgate,
tailgate, decklid, sliding doors and hood hinges, should be
lubricated periodically with a lithium based grease, such
as Mopar® Spray White Lube to ensure quiet, easy
operation and to protect against rust and wear. Prior to the
application of any lubricant, the parts concerned should
be wiped clean to remove dust and grit; after lubricating
excess oil and grease should be removed. Particular
attention should also be given to hood latching
components to ensure proper function. When performing
other underhood services, the hood latch release
mechanism, and safety catch should be cleaned and
lubricated.
The external lock cylinders should be lubricated twice a
year, preferably in the Fall and Spring. Apply a small
amount of a high quality lubricant, such as Mopar® Lock
Cylinder Lubricant directly into the lock cylinder.
W
INDSHIELD
W
IPER
B
LADES
Clean the rubber edges of the wiper blades and the
windshield periodically with a sponge or soft cloth and a
mild nonabrasive cleaner. This will remove accumulations
of salt or road film.
Operation of the wipers on dry glass for long periods may
cause deterioration of the wiper blades. Always use
washer fluid when using the wipers to remove salt or dirt
from a dry windshield.
Avoid using the wiper blades to remove frost or ice from
the windshield. Keep the blade rubber out of contact with
petroleum products such as engine oil, gasoline, etc.
NOTE:
Life expectancy of wiper blades varies depending on
geographical area and frequency of use. Poor perfor
-
mance of blades may be present with chattering, marks,
water lines or wet spots. If any of these conditions are
present, clean the wiper blades or replace as necessary.
The wiper blades and wiper arms should be inspected
periodically, not just when wiper performance problems
are experienced. This inspection should include the
following points:
Wear or uneven edges
Foreign material
Hardening or cracking
Deformation or fatigue
If a wiper blade or wiper arm is damaged, replace the
affected wiper arm or blade with a new unit. Do not
attempt to repair a wiper arm or blade that is damaged.
Wiper Blade Removal/Installation
1. Lift the wiper arm to raise the wiper blade off of the
glass, until the wiper arm is in the full up position.
Wiper Blade With Release Tab In Locked Position
1 — Travel Dampener Housing
2 — Travel Dampener Rod
CAUTION!
Do not allow the wiper arm to spring back against the
glass without the wiper blade in place or the glass may
be damaged.
1 — Wiper Blade
2 — Wiper Arm
3 — Release Tab
SERVICING AND MAINTENANCE
327
2. To disengage the wiper blade from the wiper arm,
push the release tab on the wiper blade and while
holding the wiper arm with one hand, slide the wiper
blade down towards the base of the wiper arm.
Wiper Blade With Release Tab In Unlocked Position
3. With the wiper blade disengaged, remove the wiper
blade from the wiper arm.
4. Gently lower the wiper arm onto the glass.
Installing The Front Wipers
1. Lift the wiper arm off of the glass, until the wiper arm
is in the full up position.
2. Position the wiper blade near the hook on the tip of
the wiper arm.
3. Slide the wiper blade up into the hook on the wiper
arm, latch engagement will be accompanied by an
audible click.
4. Gently lower the wiper blade onto the glass.
Rear Wiper Blade Removal/Installation
1. Open swing gate to access the wiper arm.
Rear Wiper Assembly
2. Lift wiper arm off of the glass and rotate wiper blade
outward to disengage the wiper blade from the wiper
arm.
Wiper Blade And Wiper Arm
3. Gently set the arm on the glass.
Wiper Blade Removed From Wiper Arm
1 — Wiper Blade
2 — Wiper Arm J Hook
3 — J Hook Retainer
1 — Wiper Arm
2 — Wiper Blade
1 — Wiper Arm
2 — Wiper Blade
1 — Wiper Blade Pivot Pin
2 — Wiper Arm Receptacle
8
328
SERVICING AND MAINTENANCE
(Continued)
(Continued)
Installing The Rear Wiper
1. Lift the wiper arm off of the glass.
2. Insert the wiper blade pivot pin into the opening on
the end of the wiper arm and rotate the wiper in to
place.
3. Place with wiper on the glass and close the tail gate.
E
XHAUST
S
YSTEM
The best protection against carbon monoxide entry into
the vehicle body is a properly maintained engine exhaust
system.
If you notice a change in the sound of the exhaust system;
or if the exhaust fumes can be detected inside the vehicle;
or when the underside or rear of the vehicle is damaged;
have an authorized technician inspect the complete
exhaust system and adjacent body areas for broken,
damaged, deteriorated, or mispositioned parts. Open
seams or loose connections could permit exhaust fumes
to seep into the passenger compartment. In addition, have
the exhaust system inspected each time the vehicle is
raised for lubrication or oil change. Replace as required.
Under normal operating conditions, the catalytic converter
will not require maintenance. However, it is important to
keep the engine properly tuned to ensure proper catalyst
operation and prevent possible catalyst damage.
NOTE:
Intentional tampering with emissions control systems can
result in civil penalties being assessed against you.
In unusual situations involving grossly malfunctioning
engine operation, a scorching odor may suggest severe
and abnormal catalyst overheating. If this occurs, stop the
vehicle, turn off the engine and allow it to cool. Service,
including a tune-up to manufacturer's specifications,
should be obtained immediately.
To minimize the possibility of catalytic converter damage:
Do not interrupt the ignition when the transmission is
in gear and the vehicle is in motion.
Do not try to start the vehicle by pushing or towing the
vehicle.
Do not idle the engine with any ignition components
disconnected or removed, such as when diagnostic
testing, or for prolonged periods during very rough idle
or malfunctioning operating conditions.
C
OOLING
S
YSTEM
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
A hot exhaust system can start a fire if you park over
materials that can burn. Such materials might be
grass or leaves coming into contact with your
exhaust system. Do not park or operate your vehicle
in areas where your exhaust system can contact
anything that can burn.
CAUTION!
The catalytic converter requires the use of unleaded
fuel only. Leaded gasoline will destroy the effective
-
ness of the catalyst as an emissions control device
and may seriously reduce engine performance and
cause serious damage to the engine.
Damage to the catalytic converter can result if your
vehicle is not kept in proper operating condition. In
the event of engine malfunction, particularly
involving engine misfire or other apparent loss of
performance, have your vehicle serviced promptly.
Continued operation of your vehicle with a severe
malfunction could cause the converter to overheat,
resulting in possible damage to the converter and
vehicle.
WARNING!
WARNING!
You or others can be badly burned by hot engine
coolant (antifreeze) or steam from your radiator. If
you see or hear steam coming from under the hood,
do not open the hood until the radiator has had time
to cool. Never open a cooling system pressure cap
when the radiator or coolant bottle is hot.
Keep hands, tools, clothing, and jewelry away from
the radiator cooling fan when the hood is raised. The
fan starts automatically and may start at any time,
whether the engine is running or not.
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