Jeep Wrangler (2022 year). Manual in english — page 22
347
SERVICING AND MAINTENANCE
SCHEDULED SERVICING —
GASOLINE ENGINE
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 will influence when the “Change Oil”
or “Oil Change Required” message is displayed.
Have your vehicle serviced as soon as possible,
within the next 500 miles (805 km).
On vehicles equipped with instrument cluster
display, “Oil Change Required” will be displayed
and a single chime will sound, indicating that an oil
change is necessary.
On non-instrument cluster display equipped
vehicles, “Change Oil” will flash in the instrument
cluster odometer and a single chime will sound,
indicating that an oil change is necessary.
An authorized dealer will reset the oil change
indicator message after completing the scheduled
oil change. If a scheduled oil change is performed
by someone other than an authorized dealer, the
message can be reset by referring to the steps
described under Instrument Cluster Display for
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 the engine oil level.
Check the windshield washer fluid level.
Check the tire inflation pressures and look for
unusual wear or damage, rotate at the first sign
of irregular wear.
Check the fluid levels of the coolant reservoir,
brake master cylinder, and power steering, and
fill as needed.
Check the function of all interior and exterior
lights.
8
348
SERVICING AND MAINTENANCE
M
AINTENANCE
P
LAN
Refer to the maintenance plan for the required maintenance intervals.
NOTE:
Using white lithium grease, lubricate the door hinge joints twice a year to prevent premature wear.
At Every Oil Change Interval As Indicated By Oil Change Indicator System:
Change oil and filter.
Rotate the tires. Rotate 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 if necessary.
Inspect all door latches for presence of grease; reapply if necessary.
SERVICING AND MAINTENANCE
349
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, rear suspension, and replace
if necessary.
X
X
X
X
X
X
X
Inspect the front and rear axle fluid.
X
X
X
X
Inspect the brake linings, replace as necessary.
X
X
X
X
X
X
X
Adjust parking brake on vehicles equipped with four wheel disc brakes.
X
X
X
X
X
X
X
Inspect transfer case fluid.
X
X
X
Additional Maintenance
Replace engine air cleaner filter.
X
X
X
X
X
Replace cabin air filter.
To be replaced every 12,000 miles (19,000 km).
Replace Spark Plugs – 2.0L Engine.
1
X
X
Replace spark plugs – 3.6L Engine.
1
X
Flush and replace the engine, intercooler (if equipped) coolant at
10 years or 150,000 miles (240,000 km) whichever comes first.
X
X
8
350
SERVICING AND MAINTENANCE
Change the manual transmission fluid if using your vehicle for any of
the following: trailer towing, snow plowing, heavy loading, taxi, police,
delivery service (commercial service), off-road, desert operation or
more than 50% of your driving is at sustained high speeds during hot
weather, above 90°F (32°C).
X
X
X
X
X
Change transfer case fluid if using your vehicle for any of the
following: police, taxi, fleet, or frequent trailer towing.
X
X
Inspect and replace PCV valve if necessary.
X
Change front and rear axle fluid if using your vehicle for police, taxi,
fleet, off-road or frequent trailer towing.
X
X
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.
SERVICING AND MAINTENANCE
351
SCHEDULED SERVICING — DIESEL ENGINE
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 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. If a scheduled oil change is performed
by someone other than an authorized dealer, to
NOTE:
Under no circumstances should oil change
intervals exceed 10,000 miles (16,000 km) or
12 months, whichever comes first.
Engine Oil Filter Replacement
Residual oil in the housing may spill from the
housing when the new filter is installed if the
residual oil is not either removed from the housing
or enough time has not elapsed to allow the oil to
drain back into the engine. When servicing the oil
filter on this engine, open the filter cap
approximately six turns until the cap o-ring is
visible and stop. Wait five minutes with the cap in
this position to allow dirty engine oil to drain back
into the engine. After five minutes, the cap and
filter assembly can be removed and discarded.
When installing the new oil filter cartridge
assembly, ensure the cap is tightened to the
specified torque to prevent low oil pressure
conditions.
Once A Month Or Before A Long Trip:
Check engine oil level
Check windshield washer fluid level
Check the tire 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
8
352
SERVICING AND MAINTENANCE
M
AINTENANCE
P
LAN
— D
IESEL
F
UEL
U
P
T
O
B5 B
IODIESEL
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.
Completely fill the Diesel Exhaust Fluid tank.
Drain water from fuel filter assembly.
Rotate the tires. Rotate 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 if necessary.
At Every Second Oil Change Interval As Indicated By Oil Change Indicator System:
Change fuel filter.
SERVICING AND MAINTENANCE
353
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
Additional Inspections
Completely fill the Diesel Exhaust Fluid tank.
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Inspect the CV/Universal joints.
X
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
X
X
Inspect the brake linings, parking brake function.
X
X
X
X
X
X
X
Inspect transfer case fluid.
X
X
X
X
Additional Maintenance
Drain water from fuel filter assembly.
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Replace fuel filters and drain water from the fuel filter
assembly.
Under normal conditions the diesel fuel filter should be replaced every other oil change and
must not exceed 20,000 miles (32,000 km) if using diesel fuel up to B5. If the vehicle is
being used in severe operating conditions, or in certain geographical areas of the country
(Pennsylvania, New York, Ohio, Maryland, West Virginia, Arkansas, Oklahoma, Kansas, Iowa,
Missouri and Nebraska) due to fuel cleanliness issues, it is recommended to replace the fuel
filter every oil change and must not exceed 10,000 miles.
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).
8
354
SERVICING AND MAINTENANCE
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.
SERVICING AND MAINTENANCE
355
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
8
356
SERVICING AND MAINTENANCE
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
SERVICING AND MAINTENANCE
357
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
8 — Engine Oil Dipstick
4 — Brake Fluid Reservoir Cap
9 — Engine Air Cleaner Filter
5 — Washer Fluid Reservoir Cap
8
358
SERVICING AND MAINTENANCE
(Continued)
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 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.
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
SERVICING AND MAINTENANCE
359
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.
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.
Vehicles with the Stop/Start system will be
equipped with two batteries. Both the main
and the supplemental 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.
WARNING!
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.
Vehicles with the Stop/Start system will be
equipped with two batteries. Both the main
and the supplemental batteries must be
disconnected to completely de-energize the
12 Volt electrical system.
If the negative battery cables are not isolated
properly it can cause a potential power spike
or surge in the system, resulting in damage to
essential electrical 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.
8
360
SERVICING AND MAINTENANCE
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.
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.
E
NGINE
A
IR
C
LEANER
F
ILTER
For the proper maintenance intervals
page 352 for diesel
engines.
NOTE:
Be sure to follow the “Severe Duty Conditions”
maintenance interval if applicable.
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.
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.
SERVICING AND MAINTENANCE
361
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.
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
1 — Fasteners
2 — Engine Air Cleaner Filter Cover
CAUTION!
Do not overtighten the engine air cleaner filter
cover lid screws or damage may result.
1 — Engine Air Cleaner Filter Cover
2 — Fasteners
8
362
SERVICING AND MAINTENANCE
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.
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.
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.
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
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