Jeep Grand Cherokee (2022 year). Manual in english — page 21
332
IN CASE OF EMERGENCY
Tow Eye Usage Precautions
Tow Eye Warning Label
Tow Eye Installation
The front tow eye receptacle is located behind a
door on the passenger’s side of the fascia/
bumper.
To install the tow eye, open the door using the
vehicle key or a small screwdriver. Thread the tow
eye into the receptacle, making sure it is fully
tightened.
The tow eye must be securely seated to the
attaching bracket through the lower front fascia/
bumper. If the tow eye is not securely seated to the
attaching bracket, the vehicle should not be
moved.
Front Tow Eye Access Door
CAUTION!
The tow eye must only be used for roadside
emergencies. Use with an appropriate device
in accordance with highway code (a rigid bar
or rope) to maneuver the vehicle in prepara
-
tion for transport via a tow truck.
The tow eye must not be used to move the
vehicle off the road or where there are obsta
-
cles.
Do not use the tow eyes for tow truck hookup
or highway towing.
Do not use the tow eye to free a stuck vehicle
Damage to your vehicle may occur if these
WARNING!
Stand clear of vehicles when pulling with tow
eyes.
Do not use a chain with a tow eye. Chains may
break, causing serious injury or death.
Do not use a tow strap with a tow eye. Tow
straps may break or become disengaged,
causing serious injury or death.
Failure to follow proper tow eye usage may
cause components to break resulting in
serious injury or death.
IN CASE OF EMERGENCY
333
Front Tow Eye Installed
The rear tow eye receptacle is located behind a
door on the driver’s side of the rear fascia/bumper.
To install the tow eye, open the door using the
vehicle key or a small screwdriver. Thread the tow
eye into the receptacle, making sure it is fully
tightened.
The tow eye must be securely seated to the
attaching bracket through the lower front fascia/
bumper. If the tow eye is not securely seated to the
attaching bracket, the vehicle should not be
moved.
Rear Tow Eye Access Door
Rear Tow Eye Installed
ENHANCED ACCIDENT RESPONSE SYSTEM
(EARS)
This vehicle is equipped with an Enhanced
Accident Response System.
This feature is a communication network that
takes effect in the event of an impact
EVENT DATA RECORDER (EDR)
This vehicle is equipped with an event data
recorder (EDR). The main purpose of an EDR is to
record data that will assist in understanding how a
vehicle’s systems performed under certain crash
or near crash-like situations, such as an air bag
deployment or hitting a road obstacle
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334
SERVICING AND MAINTENANCE
SCHEDULED SERVICING
Your vehicle is equipped with an automatic oil
change indicator system. The oil change indicator
system will remind you that it is time to take your
vehicle in for scheduled maintenance.
Based on engine operation conditions, the oil
change indicator message will illuminate. This
means that service is required for your vehicle.
Operating conditions such as frequent short-trips,
trailer tow, extremely hot or cold ambient
temperatures, and E85 fuel usage will influence
when the “Oil Change Required” message is
displayed. Have your vehicle serviced as soon as
possible, within the next 500 miles (805 km).
An authorized dealer will reset the oil change
indicator message after completing the scheduled
oil change.
NOTE:
Under no circumstances should oil change
intervals exceed 10,000 miles (16,000 km),
12 months or 350 hours of engine run time,
whichever comes first. The 350 hours of engine
run or idle time is generally only a concern for fleet
customers.
Once A Month Or Before A Long Trip:
Check engine oil level.
Check windshield washer fluid level.
Check the tire inflation pressures and look for
unusual wear or damage.
Check the fluid levels of the coolant reservoir,
brake master cylinder and fill as needed.
Check function of all interior and exterior lights.
SERVICING AND MAINTENANCE
335
M
AINTENANCE
P
LAN
Refer to the Maintenance Plan for the required maintenance intervals.
At Every Oil Change Interval As Indicated By Oil Change Indicator System:
Change oil and filter.
Rotate the tires at the first sign of irregular wear, even if it occurs before the oil indicator system turns on.
Inspect battery and clean and tighten terminals as required.
Inspect the CV/Universal joints.
Inspect brake pads, shoes, rotors, drums, hoses and parking brake.
Inspect engine cooling system protection and hoses.
Inspect exhaust system.
Inspect engine air cleaner filter if using in dusty or off-road conditions. Replace engine air cleaner filter, as necessary.
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336
SERVICING AND MAINTENANCE
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
Additional Inspections
Inspect the CV/Universal joints.
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Inspect front suspension, tie rod ends,
and replace if necessary.
X
X
X
X
X
X
X
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
SERVICING AND MAINTENANCE
337
Additional Maintenance
Replace engine air cleaner filter.
X
X
X
X
X
Replace the cabin air filter.
To be replaced every 12,000 mi (19,000 km).
Replace spark plugs — 2.0L.
1
X
X
Replace spark plugs — 3.6L & 5.7L.
2
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
Inspect accessory drive belt tensioner
and pulley, replace if necessary.
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
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338
SERVICING AND MAINTENANCE
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.
2. 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 effect vehicle handling and performance. This could
cause an accident.
SERVICING AND MAINTENANCE
339
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
8
340
SERVICING AND MAINTENANCE
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
SERVICING AND MAINTENANCE
341
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
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342
SERVICING AND MAINTENANCE
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 quart (1 liter) 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 windshield will light on
the vehicle graphic outline and the “WASHER
FLUID LOW” message will be displayed.
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.
SERVICING AND MAINTENANCE
343
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.
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.
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344
SERVICING AND MAINTENANCE
E
NGINE
O
IL
Engine Oil Selection
Use only the manufacturer's recommended fluid
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.
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
345
E
NGINE
A
IR
C
LEANER
F
ILTER
For the proper maintenance intervals
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 at the
outside edge, tipping it while pushing inboard
to detach the cover from the lower shell at the
hinge to access the engine 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.
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 — Engine Air Cleaner Filter Cover
2 — Fasteners
CAUTION!
Do not over tighten the engine air cleaner filter
cover lid screws or damage to the cover may
result.
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346
SERVICING AND MAINTENANCE
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
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
information.
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.
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
SERVICING AND MAINTENANCE
347
3. Pull the right hand side of the glove
compartment door toward the rear of the
vehicle to disengage the glove compartment
door from its hinges.
NOTE:
When disengaging the glove compartment door
from its hinges, there will be some resistance.
4. 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.
Right Side Of Glove Compartment
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.
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. Reinstall the glove compartment door on the
door hinge 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 door hinges and
glove compartment travel stops are fully engaged.
1 — Glove Compartment Tension Tether
2 — Glove Compartment Door
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.
8
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