2005 JEEP LIBERTY fuel

•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

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 accu-
racy 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, add as required.
Once a Month
•Check the tire pressure and look for unusual wear or
damage.
•Inspect the battery, and clean and tighten the terminals
as required.
•Check the fluid levels of the engine coolant/anti-
freeze reservoir, brake master cylinder, and transmis-
sion, and add as needed.
•Check all lights and all other electrical items for correct
operation.
At Each Oil Change
•Change the engine oil filter.
•Inspect the exhaust system.
•Inspect brake hoses.
•Check the engine coolant/anti-freeze level, hoses, and
clamps.
•Inspect manual transmission fluid level, and for leaks
(if equipped).
•After completion of off-road operation, the underside
of the vehicle should be thoroughly inspected. Exam-
ine threaded fasteners for looseness.
362 MAINTENANCE SCHEDULES
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

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

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 accu-
racy 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, add as required.
Once a Month
•Check the tire pressure and look for unusual wear or
damage.
•Inspect the battery, clean and tighten the terminals as
required.
•Check the fluid levels of engine coolant/anti-freeze
deaeration bottle, brake master cylinder, and transmis-
sion, and add as needed.
•Check all lights and all other electrical items for correct
operation.
At Each Oil Change
•Change the engine oil filter.
•Inspect the exhaust system.
•Inspect brake hoses.
•Check the engine coolant/anti-freeze level, hoses, and
clamps.
•Inspect engine accessory drive belts. Replace as neces-
sary.
•Inspect for the presence of water in the fuel filter/
water separator unit.
Tire Rotation
•Rotate the tires every 6,000 miles (10 000 km).
SCHEDULE “A” — GASOLINE ENGINES 379
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Miles 6,250 12,500 18,750 25,000 31,250
(Kilometers) (10 000) (20 000) (30 000) (40 000) (50 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air filter element. Replace as
necessary.X X XXX
Replace the engine air filter element.XX
Inspect the boost pressure solenoid filter. Replace
as necessary.X X XXX
Replace the fuel filter/water separator unit. X
Inspect the brake linings. X X
Drain and refill the front and rear axle fluid. X X
SCHEDULE “B” — DIESEL ENGINES 381
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Miles 37,500 43,750 50,000 56,250 62,500
(Kilometers) (60 000) (70 000) (80 000) (90 000) (100 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air filter element. Replace as
necessary.X X XXX
Replace the engine air filter element.XXX
Inspect the boost pressure solenoid filter. Replace
as necessary.X X XXX
Replace the boost pressure solenoid filter, if not
previously replaced.X
Replace the fuel filter/water separator unit. X
Replace the engine accessory drive belt. X
Inspect the brake linings. X X X
Drain and refill the front and rear axle fluid. X X X
Drain and refill the transfer case fluid. X
Drain and refill the automatic transmission fluid,
and replace sump filter. X
382 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

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)
Change the engine oil and engine oil filter. X X X X X X
Inspect the engine air filter element. Re-
place as necessary.XXXXXX
Replace the engine air filter element.XXX
Inspect the boost pressure solenoid filter. Re-
place as necessary.XXXXXX
Replace the boost pressure solenoid filter, if
not previously replaced.X
Replace the engine accessory drive belt. X
Replace the engine timing belt and idler pul-
leys.X
Inspect the engine timing belt tensioner, re-
place if necessary.†X
Replace the fuel filter/water separator unit. X X
Flush and replace the engine coolant/anti-
freeze.X
SCHEDULE “B” — DIESEL ENGINES 383
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Schedule “A” — Diesel Engines
Miles 12,500 25,000 37,500 50,000
(Kilometers) (20 000) (40 000) (60 000) (80 000)
Change the engine oil and engine oil filter. X X X X
Inspect the engine air filter element. Replace as neces-
sary.XXXX
Replace the engine air filter element.XX
Inspect the boost pressure solenoid filter. Replace as nec-
essary.XXXX
Replace the boost pressure solenoid filter, if not previ-
ously replaced.X
Replace the fuel filter/water separator unit. X X
Inspect the brake linings. X X
Inspect the transfer case fluid. X
SCHEDULE “A” — DIESEL ENGINES 385
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S