JEEP GRAND CHEROKEE 2018 Owner handbook (in English)

tronic and mechanical tools that can help
prevent future costly repairs.
The maintenance intervals shown should be
performed as indicated in this section.
NOTE:
• Under no circumstances should oil change
intervals exceed12,500 miles (20,000 km)
or 12 months, whichever comes first.
•Flush and replace the engine coolant at
120 months or 150,000 miles (240,000 km)
whichever comes first.
At Each Stop for Fuel
• Check the engine oil level about 5 minutes
after a fully warmed engine is shut off.
Checking the oil level while the vehicle is
on level ground will improve the accuracy of
the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.• Check the windshield washer solvent and
add if required.
Once a Month
• Check tire pressure and look for unusual
wear or damage. Rotate tires at the first
sign of irregular wear, even if it occurs
before the oil indicator system turns on.
• Inspect the battery and clean and tighten
the terminals as required.
• Check the fluid levels of the coolant reser-
voir, and brake master cylinder; add as
needed.
• Check all lights and other electrical items
for correct operation.At Each Oil Change
• Change the engine oil filter.
• Inspect the brake hoses and lines.
• Inspect for the presence of water in the fuel
filter/water separator unit.
• Completely fill the AdBlue Fluid tank.
At Every Second Oil Change
• Replace fuel filter.
CAUTION!
Failure to perform the required mainte-
nance items may result in damage to the
vehicle.
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Maintenance Plan — Diesel Engine
Miles or time passed (whichever comes first):12,500
25,000
37,500
50,000
62,500
75,000
87,500
100,000
112,500
125,000
137,500
150,000
Or Months: 12 24 36 48 60 72 84 96 108 120 132 144
Kilometers:
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
180,000
200,000
220,000
240,000
Change engine oil and oil filter.(*)
Completely fill the AdBlue tank. X X X X X X XXXXXX
Rotate tires X X X X X X XXXXXX
If using your vehicle for any of the following:
Dusty or off-road conditions. Inspect the engine
air cleaner filter, replace if necessary.XXXXXXXXXXXX
Inspect the brake linings, replace if necessary. X X X X X X XXXXXX
Inspect exhaust system. X X X X X X X
Inspect CV Joints X X X X X X
Visually inspect condition of: exterior bodywork,
underbody protection, pipes and hoses (exhaust -
fuel system - brakes), rubber elements (boots,
sleeves, bushings, etc.)XXX X X X
Inspect the front suspension, tie rod ends and
boot seals, replace if necessary.XXX X X X
Change brake fluid every 24 months if using
DOT 4 brake fluid. (**)XXX X X X
Inspect the front and rear axle fluid, change if
using your vehicle for police, taxi, fleet, offroad or
frequent trailer towing.XXX X X X
Replace the fuel filter. Fuel filter replacement interval shall be at every second oil change
SERVICING AND MAINTENANCE
240

Miles or time passed (whichever comes first):12,500
25,000
37,500
50,000
62,500
75,000
87,500
100,000
112,500
125,000
137,500
150,000
Or Months: 12 24 36 48 60 72 84 96 108 120 132 144
Kilometers:
20,000
40,000
60,000
80,000
100,000
120,000
140,000
160,000
180,000
200,000
220,000
240,000
Adjust parking brake on vehicles equipped with
four-wheel disc brakes.XXX X X X
Replace engine air cleaner filter. X X X X X X
Replace air conditioning/cabin air filter X X X X X X XXXXXX
Replace accessory drive belt(s).X
Flush and replace the engine coolant at 10 years
or 150,000 miles (240,000 km) whichever comes
first.XX
Inspect or change the transfer case fluid if using
your vehicle for any of the following: police, taxi,
fleet, or frequent trailer towing.XX X
Change the transfer case fluid X X X
(*) The actual interval for changing engine oil
and replacing the engine oil filter depends on
the vehicle usage conditions, and is signalled
by the warning light or message in the instru-
ment panel. In all cases, never exceed 1 year/
20,000 km.
(**) The brake fluid change interval is time
based only, mileage intervals do not apply.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.
WARNING!
•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.
241

ENGINE COMPARTMENT
3.6L Engine
1 — Remote Jump Start Positive Terminal 6 — Washer Fluid Reservoir
2 — Brake Fluid Reservoir 7 — Engine Oil Filter Access
3 — Engine Oil Dipstick 8 — Engine Coolant Reservoir
4 — Engine Oil Fill 9 — Power Distribution Center (Fuses)
5 — Air Cleaner Filter 10 — Remote Jump Start Negative Terminal
SERVICING AND MAINTENANCE
242

5.7L Engine
1 — Remote Jump Start Positive Terminal 6 — Washer Fluid Reservoir
2 — Brake Fluid Reservoir 7 — Engine Oil Dipstick
3 — Power Distribution Center (Fuses) 8 — Coolant Pressure Cap (Radiator)
4 — Engine Oil Fill 9 — Remote Jump Start Negative Terminal
5 — Air Cleaner Filter
243

6.2L Supercharged Engine
1 — Remote Jump Start Positive Terminal
2 — Brake Fluid Reservoir
3 — Power Distribution Center (Fuses)
4 — Intercooler Coolant Reservoir
5 — Engine Oil Dipstick
6 — Engine Oil Fill7 — Air Cleaner Filter
8 — Washer Fluid Reservoir
9 — Coolant Pressure Cap (Radiator)
10 — Engine Coolant Reservoir
11 — Remote Jump Start Negative Terminal
SERVICING AND MAINTENANCE
244

6.4L Engine
1 — Remote Jump Start Positive Terminal 6 — Washer Fluid Reservoir
2 — Brake Fluid Reservoir 7 — Engine Oil Dipstick
3 — Power Distribution Center (Fuses) 8 — Coolant Pressure Cap (Radiator)
4 — Engine Oil Fill 9 — Remote Jump Start Negative Terminal
5 — Air Cleaner Filter
245

3.0L Diesel Engine
1 — Remote Jump Start Positive Terminal 6 — Engine Oil Dipstick
2 — Brake Fluid Reservoir 7 — Coolant Pressure Reservoir
3 — Engine Oil Fill 8 — Power Distribution Center (Fuses)
4 — Air Cleaner Filter 9 — Remote Jump Start Negative Terminal
5 — Washer Fluid Reservoir
SERVICING AND MAINTENANCE
246

Checking Oil Level — Gasoline Engine
To assure proper lubrication of your vehicle’s
engine, 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. Always maintain the oil level
within the SAFE zone on the dipstick. Adding
one quart of oil when the reading is at the
bottom of the SAFE zone will result in a
reading at the top of the safe zone on these
engines.
CAUTION!
Overfilling or underfilling the crankcase
will cause aeration or loss of oil pressure.
This could damage your engine.
Checking Oil Level — 3.0 Diesel Engine
To assure proper lubrication of your vehicle's
engine, the engine oil must be maintained at
the correct level. Check the oil level at regular
intervals. The best time to check the oil level
is before starting the engine after it has been
parked overnight. When checking oil after
operating the engine, first ensure the engine
is at full operating temperature, then wait for
five minutes after engine shutdown to check
the oil.
Checking the oil while the vehicle is on level
ground will improve the accuracy of the oil
level readings. Add oil only when the level on
the dipstick is below the “MIN” mark. The
total capacity from the MIN mark to the MAX
mark is 1 qt (1 L).
CAUTION!
Overfilling or underfilling the crankcase
will cause oil aeration or loss of oil pres-
sure. This could damage your engine.NOTE:
It is possible for your oil level to be slightly
higher than a previous check. This would be
due to diesel fuel that may temporarily be in
the crankcase due to operation of the diesel
particulate filter regeneration strategy. This
fuel will evaporate out under normal opera-
tion.
Never operate the engine with oil level below
the “MIN” mark or above the upper “MAX”
mark.
Adding Washer Fluid
The instrument cluster display will indicate
when the washer fluid level is low. When the
sensor detects a low fluid level, the wind-
shield 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 com-
partment, be sure to check the fluid level at
regular intervals. Fill the reservoir with wind-
shield washer solvent only (not radiator anti-
freeze). When refilling the washer fluid reser-
247

voir, 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 tempera-
ture range of your climate. This rating infor-
mation can be found on most washer fluid
containers.
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.
Maintenance-Free Battery
Your vehicle is equipped with a maintenance-
free battery. You will never have to add water,
nor is periodic maintenance required.
WARNING!
• Battery fluid is a corrosive acid solution
and can burn or even blind you. Do not
WARNING!
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 Proce-
dure” in “In Case Of Emergency” for
further information.
• 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 ac-
cessories contain lead and lead com-
pounds. 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 nega-
tive post. Battery posts are marked posi-
CAUTION!
tive (+) and negative (-) and are identi-
fied 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 volt-
age.
DEALER SERVICE
An authorized dealer has the qualified ser-
vice 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 be-
fore 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.
SERVICING AND MAINTENANCE
248