Jeep 2004 Grand Cherokee Owner's Manual page 303

Miles
(Kilometers)
Change the engine oil and engine oil filter.
Inspect the engine air cleaner filter, replace if necessary.
Inspect the PCV Valve, replace if necessary.
Replace the spark plugs.
Lubricate the upper knuckle ball stud at steering & sus-
pension ball joints.
Clean and lubricate brake caliper pins.
Inspect the brake linings.
Drain and refill the front and rear axles.
Drain and refill the automatic transmission fluid, and
change filter (4.0L Only).
Drain and refill the automatic transmission fluid, and
replace main sump filter (4.7L Only).
Inspect the drive belt and replace as needed. Not re-
quired if belt was previously replaced (4.0L Only).
Drain and refill the transfer case fluid (Selec-Trac and
Quadra-Trac Models).
48,000 51,000 54,000
(77 000) (82 000) (86 000)
X X X
X X
X
X
X
M
SCHEDULE "B" 303
A
I
57,000 60,000
N
T
(91 000) (96 000)
E
X X
N
A
X
N
X
C
E
X
X
S
C
H
X
E
X
D
U
X
L
X
E
S
X
8
X
X