Page 361 of 424

•Taxi, police, or delivery service (commercial service).
•Off-road or desert driving.
•If equipped for and operated with E-85 (ethanol) fuel.
NOTE:IfANYof these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow “Schedule B” of the
“Maintenance Schedules” section of this manual.
NOTE:IfANYof these apply to you then flush and
replace your engine coolant/anti-freeze every 102,000
miles (163 000 km) or 60 months, whichever comes first,
and follow “Schedule B” of the “Maintenance Schedules”
section of this manual.
NOTE:Most vehicles are operated under the conditions
listed for Schedule “B.”Second is Schedule“A”. It is for vehicles that are not
operated under any of the conditions listed under Sched-
ule “B.”
Use the schedule that best describes your driving condi-
tions. Where time and mileage are listed, follow the
interval that occurs first.
CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
MAINTENANCE SCHEDULES 361
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 363 of 424

Schedule “B” — Gasoline Engines
Follow schedule “B” if you usually operate your vehicle
under one or more of the following conditions.
•Day or night temperatures are below 32°F (0°C).
•Stop and go driving.
•Extensive engine idling.
•Driving in dusty conditions.
•Short trips of less than 10 miles (16.2 km).
•More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C).
•Trailer towing.
•Taxi, police, or delivery service (commercial service).
•Off-road or desert driving.
•If equipped for and operated with E-85 (ethanol) fuel.
NOTE:IfANYof these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow “Schedule B” of the
“Maintenance Schedules” section of this manual.
NOTE:IfANYof these apply to you then flush and
replace your engine coolant/anti-freeze every 102,000
miles (163 000 km) or 60 months, whichever comes first,
and follow “Schedule B” of the “Maintenance Schedules”
section of this manual.
SCHEDULE “B” — GASOLINE ENGINES 363
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 372 of 424

Miles 108,000 111,000 114,000 117,000 120,000
(Kilometers) (173 000) (178 000) (182 000) (187 000) (192 000)
Inspect the drive belt and replace as needed. Not required if
belt was previously replaced.X
Drain and refill the transfer case fluid. X
Flush and replace the engine coolant/anti-freeze at 120
months, if not replaced at 102,000 miles (163 000 km).X
Inspection and service should be performed anytime a
malfunction is observed or suspected. Retain all receipts.
† Applies only if vehicle is used for frequent trailer
towing, or fleet/commercial service.
This maintenance is recommended by the manufac-
turer to the owner, but it is not required to maintain
emissions warranty.‡Off-highway operation, trailer towing, taxi, limousine,
bus, snow plowing, or other types of commercial service
or prolonged operation with heavy loading, especially in
hot weather, require front and rear axle service indicated
witha‡inSchedule “B”. Perform these services if the
vehicle is usually operated under these conditions.
372 SCHEDULE “B” — GASOLINE ENGINES
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 377 of 424
![JEEP LIBERTY 2005 KJ / 1.G Owners Manual Miles 108,000 114,000 120,000
(Kilometers) (173 000) (182 000) (192 000)
[Months] [108] [114] [120]
Change the engine oil and engine oil filter. X X X
Rotate the tires. X X X
Inspect the engine air fi JEEP LIBERTY 2005 KJ / 1.G Owners Manual Miles 108,000 114,000 120,000
(Kilometers) (173 000) (182 000) (192 000)
[Months] [108] [114] [120]
Change the engine oil and engine oil filter. X X X
Rotate the tires. X X X
Inspect the engine air fi](/manual-img/16/7119/w960_7119-376.png)
Miles 108,000 114,000 120,000
(Kilometers) (173 000) (182 000) (192 000)
[Months] [108] [114] [120]
Change the engine oil and engine oil filter. X X X
Rotate the tires. X X X
Inspect the engine air filter element, and replace if necessary.X
Replace the spark plugs.X
Inspect and replace the PCV valve, if necessary. X
Inspect the ignition cables, and replace if necessary (2.4L Only).X
Inspect the brake linings. X
Inspect the drive belt and replace as needed. Not required if pre-
viously replaced.XX
Flush and replace the engine coolant/anti-freeze if not done at
102,000 miles (163 000 km).X
Replace the timing belt (2.4L Only). X
Drain and refill the transfer case fluid. X
Inspection and service should be performed anytime a
malfunction is observed or suspected. Retain all receipts. This maintenance is recommended by the manufac-
turer to the owner, but it is not required to maintain
emissions warranty.
SCHEDULE “A” — GASOLINE ENGINES 377
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 378 of 424

MAINTENANCE SCHEDULES — DIESEL ENGINES
There are two maintenance schedules that show the
requiredservice for your vehicle.
First is ScheduleB. It is for vehicles that are operated
under the conditions that are listed below and at the
beginning of the schedule.
•Day or night temperatures are below 32°F (0°C).
•Stop and go driving.
•Extensive engine idling.
•Driving in dusty conditions.
•Short trips of less than 10 miles (16.2 km).
•More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C).
•Trailer towing.
•Taxi, police, or delivery service (commercial service).
•Off-road or desert driving.
NOTE:Most vehicles are operated under the conditions
listed for Schedule “B.”
Second is Schedule“A”. It is for vehicles that are not
operated under any of the conditions listed under Sched-
ule “B.”
Use the schedule that best describes your driving condi-
tions. Where time and mileage are listed, follow the
interval that occurs first.
CAUTION!
Failure to perform the required maintenance items
may result in damage to the vehicle.
378 SCHEDULE “A” — GASOLINE ENGINES
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 380 of 424
Schedule “B” — Diesel Engines
Follow schedule “B” if you usually operate your vehicle
under one or more of the following conditions.
•Day or night temperatures are below 32°F (0°C).
•Stop and go driving.
•Extensive engine idling.
•Driving in dusty conditions.
•Short trips of less than 10 miles (16.2 km).
•More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C).
•Trailer towing.
•Taxi, police, or delivery service (commercial service).
•Off-road or desert driving.
380 SCHEDULE “B” — DIESEL ENGINES
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 384 of 424
Miles 68,750 75,000 81,250 87,500 93,750 100,000
(Kilometers) (110 000) (120 000) (130 000) (140 000) (150 000) (160 000)
Inspect the brake linings. X X
Drain and refill the front and rear axle fluid. X X
Applies only if vehicle is used for frequent trailer
towing, or fleet/commercial service.
† The replacement of such component is requested if
there is superficial wear, bearing clearance, or evident
grease leak.Inspection and service should be performed anytime a
malfunction is observed or suspected. Retain all receipts.
384 SCHEDULE “B” — DIESEL ENGINES
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 387 of 424
Miles 62,500 75,000 87,500 100,000
(Kilometers) (100 000) (120 000) (140 000) (160 000)
Replace the engine accessory drive belt. X
Inspect the brake linings. X X
Inspect the transfer case fluid. X
† The replacement of such component is requested if
there is superficial wear, bearing clearance, or evident
grease leak.
Inspection and service should be performed anytime a
malfunction is observed or suspected. Retain all receipts.
SCHEDULE “A” — DIESEL ENGINES 387
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S