Jeep 2005 Liberty Owner's Manual page 365

Miles
(Kilometers)
Change the engine oil and engine oil filter, if not
replaced at 3 months.
Rotate the tires.
Inspect the engine air filter element, replace if
necessary.
Replace the spark plugs.
Inspect and replace the PCV valve, if necessary.
Inspect the brake linings.
Drain and refill the front and rear axle fluid‡
Inspect the transfer case fluid, add if necessary.
SCHEDULE "B" — GASOLINE ENGINES 365
18,000 21,000 24,000
(29 000) (34 000) (38 000)
X X
X
27,000 30,000
(43 000) (48 000)
X X X
X X
X
X
X
X
X
X
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
8