Jeep Grand Cherokee L (2023 year). Manual in english — page 21
332
SERVICING AND MAINTENANCE
Inspect the front and rear axle fluid,
change if using your vehicle for police,
taxi, fleet, off-road or frequent trailer
towing.
X
X
X
X
X
Inspect the brake linings, parking brake
function.
X
X
X
X
X
X
X
Inspect transfer case fluid.
X
X
X
X
X
Additional Maintenance
Replace engine air cleaner filter.
X
X
X
X
X
Replace the cabin air filter.
To be replaced every 12,000 miles (19,000 km).
Replace spark plugs — 2.0L.
1
X
X
Replace spark plugs — 3.6L & 5.7L.
1
X
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.
X
Mileage Or Time Passed
(Whichever Comes First)
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:
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Or Kilometers:
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
SERVICING AND MAINTENANCE
333
Inspect accessory drive belt tensioner
and pulley, replace if necessary.
X
Change transfer case fluid - Normal
Usage.
X
Change transfer case fluid — Severe
Usage (police, taxi, fleet, off-road, or
frequent trailer towing.)
X
X
Replace PCV valve.
X
1. The spark plug change interval is mileage-based only, yearly intervals do not apply.
Mileage Or Time Passed
(Whichever Comes First)
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:
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Or Kilometers:
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.
8
334
SERVICING AND MAINTENANCE
ENGINE COMPARTMENT
2.0L E
NGINE
1 — Washer Fluid Reservoir Cap
5 — Brake Fluid Reservoir Access
2 — Power Distribution Center (Fuses)
6 — Engine Coolant Pressure Cap
3 — Engine Oil Dipstick
7 — Intercooler Coolant Reservoir Cap
4 — Engine Oil Fill
8 — Engine Air Cleaner Filter
SERVICING AND MAINTENANCE
335
3.6L E
NGINE
1 — Washer Fluid Reservoir Cap
5 — Engine Oil Filter Access
2 — Power Distribution Center (Fuses)
6 — Engine Oil Fill
3 — Engine Coolant Pressure Cap
7 — Brake Fluid Reservoir Access
4 — Engine Oil Dipstick
8 — Engine Air Cleaner Filter
8
336
SERVICING AND MAINTENANCE
5.7L E
NGINE
1 — Washer Fluid Reservoir Cap
5 — Brake Fluid Reservoir Access
2 — Power Distribution Center (Fuses)
6 — Engine Oil Dipstick
3 — Engine Coolant Pressure Cap
7 — Engine Air Cleaner Filter
4 — Engine Oil Fill
SERVICING AND MAINTENANCE
337
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.
Adding 1 qt (1.0 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.
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.
A
DDING
W
ASHER
F
LUID
The instrument cluster display will indicate when
the washer fluid level is low. When the sensor
detects a low fluid level, the Low Washer Fluid
Warning Light will illuminate and the “Washer Fluid
Low” message will display.
The fluid reservoir for the windshield washers and
the rear window washer 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.
WARNING!
Commercially available windshield washer
solvents are flammable. They could ignite and
burn you. Care must be exercised when filling or
working around the washer solution.
CAUTION!
Do not travel with the windshield washer fluid
reservoir empty: the windshield washers are
essential for improving visibility.
8
338
SERVICING AND MAINTENANCE
M
AINTENANCE
-F
REE
B
ATTERY
Your vehicle is equipped with a maintenance-free
battery. Water will never have to be added, and
periodic maintenance is not required.
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
Use only the manufacturer's recommended fluid
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
amounts of water. Refer to Jump Starting
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 accesso
-
ries contain lead and lead compounds. Wash
hands after handling.
CAUTION!
It is essential when replacing the cables on
the battery that the positive cable is attached
to the positive 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.
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.
SERVICING AND MAINTENANCE
339
NOTE:
Hemi engines at times can tick right after startup
and then quiet down after approximately 30
seconds. This is normal and will not harm the
engine. This characteristic can be caused by short
drive cycles. For example, if the vehicle is started
then shut off after driving a short distance. Upon
restarting, you may experience a ticking sound.
Other causes could be if the vehicle is unused for
an extended period of time, incorrect oil, extended
oil changes or extended idling. If the engine
continues to tick or if the Malfunction Indicator
Light (MIL) comes on, see the nearest authorized
dealer.
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.
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. Only high quality Mopar®
filters should be used. 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
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.
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.
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340
SERVICING AND MAINTENANCE
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
Engine Air Cleaner Filter Removal
1. With a suitable tool, fully loosen fasteners on
the engine air cleaner filter cover.
2. Lift the engine air cleaner filter cover and
rotate hinge to access the air cleaner filter.
Engine Air Cleaner Filter Cover
3. Remove the engine air cleaner filter from the
housing assembly.
Engine Air Cleaner Filter Installation
NOTE:
Inspect and clean the housing assembly if signif
-
icant 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. Install the engine air cleaner filter cover onto
the housing assembly locating tabs.
3. Tighten the fasteners on the engine air cleaner
filter assembly.
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.
1 — Engine Air Cleaner Filter Cover
2 — Fasteners
CAUTION!
Do not overtighten the engine air cleaner filter
cover lid screws or damage may result.
WARNING!
Use only refrigerants and compressor lubri
-
cants approved by the manufacturer for your
air conditioning 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, for further warranty infor
-
mation.
The air conditioning system contains refrig
-
erant 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
341
Refrigerant Recovery And Recycling —
R–1234yf
R–1234yf Air Conditioning Refrigerant is a
Hydrofluoroolefin (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 manufacturer approved A/C system PAG
compressor oil, and refrigerants.
Cabin Air Filter Replacement
For the proper maintenance intervals
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. There is a glove compartment travel stop on
the right side of the glove compartment door.
Partially close the glove compartment door
and pull the travel stop toward you to release
the glove compartment travel stop.
Glove Compartment
3. With the glove compartment door loose,
remove the glove compartment tension tether
and tether clip by sliding the clip toward the
face of the glove compartment door and lifting
the clip out of glove compartment door.
Side Of Glove Compartment
4. Lower the glove compartment door to the floor.
5. Squeeze the retaining tabs together that
secures the cabin air filter cover to the HVAC
housing. Unhinge the filter cover on the right
side to fully remove the cover.
WARNING!
Do not remove the cabin air filter while the
vehicle is running, or while the ignition is in the
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.
1 — Glove Compartment Travel Stop
2 — Glove Compartment Door
1 — Glove Compartment Tension Tether
2 — Glove Compartment Door
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SERVICING AND MAINTENANCE
Cabin Air Filter Cover
6. Remove the cabin air filter by pulling it straight
out of the housing.
7. Install the cabin air filter with the arrow on the
filter pointing toward the floor. When installing
the filter cover, make sure the retaining tabs
fully engage into the HVAC housing.
8. Lift the glove compartment door up and
reattach the tension tether by inserting the
tether clip in the glove compartment and
sliding the clip away from the face of the glove
compartment door.
9. Push the door to the near closed position to
reengage the glove compartment travel stops.
NOTE:
Ensure the glove compartment travel stops are
fully engaged.
A
CCESSORY
D
RIVE
B
ELT
I
NSPECTION
When inspecting accessory drive belts, small
cracks that run across ribbed surface of belt from
rib to rib, are considered normal. These are not a
reason to replace 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
position on pulley)
1 — Retaining Tabs
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.
WARNING!
Do not attempt to inspect an accessory drive
belt with vehicle running.
When working near the radiator cooling fan,
disconnect 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 equip
-
ment. If you have any doubt about your ability
to perform a service job, take your vehicle to a
competent mechanic.
SERVICING AND MAINTENANCE
343
Belt broken (identify and correct problem before
new belt is installed)
Noise (objectionable squeal, squeak, or rumble
is heard or felt while drive belt is in operation)
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.
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 Autumn 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
performance of blades may be present with chat
-
tering, 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.
Front Wiper Blade Removal/Installation
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.
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344
SERVICING AND MAINTENANCE
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
2. To disengage the wiper blade from the wiper
arm, flip up 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 by holding the
wiper arm with one hand and separating the
wiper blade from the wiper arm with the other
hand (move the wiper blade toward the right
side of the vehicle to separate the wiper blade
from the wiper arm).
Wiper Blade Removed From 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 with the wiper release tab
open and the blade side of the wiper facing up
and away from the windshield.
3. Insert the hook on the tip of the arm through
the opening in the wiper blade under the
release tab.
1 — Wiper
2 — Release Tab
3 — Wiper Arm
1 — Wiper Blade
2 — Release Tab
3 — Wiper Arm
1 — Wiper Blade
2 — Release Tab
3 — Wiper Arm
SERVICING AND MAINTENANCE
345
4. Slide the wiper blade up into the hook on the
wiper arm and rotate the wiper blade until it is
flush against the wiper arm. Fold down the
latch release tab and snap it into its locked
position. Latch engagement will be
accompanied by an audible click.
5. Gently lower the wiper blade onto the glass.
Rear Wiper Blade Removal/Installation
1. Lift the rear wiper arm fully off the glass.
Wiper Blade In Folded Out Position
2. To remove the wiper blade from the wiper arm,
grab the bottom end of the wiper blade
nearest to wiper arm with your left hand. With
your right hand, hold the wiper arm as you pull
the wiper blade away from the wiper arm past
its stop (far enough to unsnap the wiper blade
pivot from the receptacle on the end of the
wiper arm).
NOTE:
Resistance will be accompanied by an
audible snap.
The wiper arm does not stay in the service
up position.
3. Still grabbing the bottom end of the wiper
blade, move the wiper blade upward and away
from the wiper arm to disengage.
Wiper Blade Removed From Wiper Arm
4. Gently lower the tip of the wiper arm onto the
glass.
Installing The Rear Wiper
1. Lift the rear wiper arm fully off the glass.
2. Insert the wiper blade pivot pin into the
opening on the end of the wiper arm. Grab the
bottom end of the wiper arm with one hand,
and press the wiper blade flush with the wiper
arm until it snaps into place.
3. Lower the wiper blade onto the glass.
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.
1 — Wiper Blade
2 — Wiper Arm
1 — Wiper Blade
2 — Wiper Arm
8
346
SERVICING AND MAINTENANCE
(Continued)
(Continued)
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 transmis
-
sion 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 compo
-
nents disconnected or removed, such as when
diagnostic testing, or for prolonged periods
during very rough idle or malfunctioning oper
-
ating 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 uncon
-
scious and can eventually poison you. To
A hot exhaust system can start a fire if you
park over materials that can burn. Such mate
-
rials 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 effectiveness 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 opera
-
tion of your vehicle with a severe malfunction
could cause the converter to overheat,
resulting in possible damage to the converter
and vehicle.
CAUTION!
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 radi
-
ator 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.
SERVICING AND MAINTENANCE
347
Engine Coolant Checks
Check the engine coolant (antifreeze) protection
every 12 months (before the onset of freezing
weather, where applicable). If the engine coolant is
dirty, the system should be drained, flushed, and
refilled with fresh Organic Additive Technology
(OAT) coolant (conforming to MS.90032) by an
authorized dealer. Check the front of the A/C
condenser for any accumulation of bugs, leaves,
etc. If dirty, clean by gently spraying water from a
garden hose vertically down the face of the
condenser.
Check the engine cooling system hoses for brittle
rubber, cracking, tears, cuts, and tightness of the
connection at the coolant recovery bottle and
radiator. Inspect the entire system for leaks. DO
NOT REMOVE THE COOLANT PRESSURE CAP
WHEN THE COOLING SYSTEM IS HOT.
Cooling System — Drain, Flush And Refill
NOTE:
Some vehicles require special tools to add coolant
properly. Failure to fill these systems properly
could lead to severe internal engine damage. If any
coolant is needed to be added to the system
please contact an authorized dealer.
If the engine coolant (antifreeze) is dirty or
contains visible sediment, have an authorized
dealer clean and flush with Organic Additive
Technology (OAT) coolant (conforming to
MS.90032).
For the proper maintenance intervals
Selection Of Coolant
Refer to Engine Fluids And Lubricants
NOTE:
Mixing of engine coolant (antifreeze) other than
specified Organic Additive Technology (OAT)
engine coolant, may result in engine damage
and may decrease corrosion protection. OAT
engine coolant is different and should not be
mixed with Hybrid Organic Additive Technology
(HOAT) engine coolant or any “globally compat
-
ible” coolant. If a non-OAT engine coolant is
introduced into the cooling system in an emer
-
gency, the cooling system will need to be
drained, flushed, and refilled with fresh OAT
coolant (conforming to MS.90032), by an autho
-
rized dealer as soon as possible.
Do not use water alone or alcohol-based engine
coolant products. Do not use additional rust
inhibitors or antirust products, as they may not
be compatible with the radiator engine coolant
and may plug the radiator.
This vehicle has not been designed for use with
propylene glycol-based engine coolant. Use of
propylene glycol-based engine coolant is not
recommended.
Some vehicles require special tools to add
coolant properly. Failure to fill these systems
properly could lead to severe internal engine
damage. If any coolant is needed to be added to
the system please contact an authorized dealer.
Adding Coolant
Your vehicle has been built with an improved
engine coolant (OAT coolant conforming to
MS.90032) that allows extended maintenance
intervals. This engine coolant (antifreeze) can be
used up to 10 years or 150,000 miles
(240,000 km) before replacement. To prevent
reducing this extended maintenance period, it is
important to use the same engine coolant (OAT
coolant conforming to MS.90032) throughout the
life of your vehicle.
When working near the radiator cooling fan,
disconnect the fan motor lead or turn the igni
-
tion to the OFF position. The fan is tempera
-
ture controlled and can start at any time the
ignition is in the ON position.
WARNING!
8
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