2004 JEEP WRANGLER air suspension

Miles 108,000 111,000 114,000 117,000 120,000
(Kilometers) (173 000) (178 000) (182 000) (187 000) (192 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air filter element, replace if
necessary.X
Inspect the PCV Valve, and replace if necessary.LX
Replace the spark plugs.X
Inspect the ignition cables, and replace if neces-
sary (2.4L Only).X
Lubricate the steering linkage tie rod ends. X X X X X
Lubricate the steering and suspension ball joints. X X X
Inspect the brake linings. X X
Drain and refill the front and rear axle fluid³ X X
Drain and refill the automatic transmission fluid,
and replace main sump filter.X
Inspect the drive belt and replace as needed. Not
required if belt was previously replaced.X
Drain and refill the transfer case fluid. X
Inspection and service should also be performed anytime
a malfunction is observed or suspected. Retain all re-
ceipts.LThis maintenance is recommended by the manufac-
turer to the owner, but is not required to maintain
emissions warranty.
272 SCHEDULE ªBº
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Schedule ªAº
Miles 6,000 12,000 18,000 24,000 30,000
(Kilometers) (10 000) (19 000) (29 000) (38 000) (48 000)
[Months] [6] [12] [18] [24] [30]
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air filter element, and replace
if necessary.X
Replace the spark plugs.X
Lubricate the steering linkage joints and outer tie
rod ends.X X XXX
Lubricate the steering and suspension ball joints. X X
Inspect the brake linings. X
Inspect the transfer case fluid.X
274 SCHEDULE ªAº
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Miles 60,000 66,000 72,000 78,000
(Kilometers) (96 000) (106 000) (115 000) (125 000)
[Months] [60] [66] [72] [78]
Change the engine oil and engine oil filter. X X X X
Inspect the engine air filter element, and replace if nec-
essary.X
Inspect the PCV Valve, and replace if necessary.LX
Replace the ignition cables (2.4L Only).X
Replace the spark plugs.X
Lubricate the steering linkage joints and outer tie rod
ends.XXXX
Lubricate the steering and suspension ball joints. X X
Inspect the brake linings. X
Inspect the drive belt, and replace as needed. X
Inspect the drive belt, and replace as needed. Not re-
quired if belt was previously replaced.X
Flush and replace the engine coolant at 60 months, re-
gardless of mileage.X
Inspect transfer case fluid. X
276 SCHEDULE ªAº
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

Miles 84,000 90,000 96,000 102, 000
(Kilometers) (134 000) (144 000) (154 000) (163 000)
[Months] [84] [90] [96] [102]
Change the engine oil and engine oil filter. X X X X
Inspect the engine air filter element, and replace if nec-
essary.X
Inspect the PCV Valve, and replace if necessary.LX
Replace the spark plugs.X
Lubricate the steering linkage joints and outer tie rod
ends.XXXX
Lubricate the steering and suspension ball joints. X X
Inspect the brake linings. X
Inspect the drive belt, and replace as needed. Not re-
quired if previously replaced.XX
Flush and replace the engine coolant if not done at 60
months.X
Inspect the transfer case fluid. X
SCHEDULE ªAº 277
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S

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
Inspect the engine air filter element, and replace if necessary.X
Replace the ignition cables (2.4L Only).X
Inspect the PCV Valve, and replace if necessary.LX
Replace the spark plugs.X
Lubricate the steering linkage joints and outer tie rod ends. X X X
Lubricate the steering and suspension ball joints. X X
Inspect the brake linings. X
Replace the timing belt (2.4L Only). X
Inspect the drive belt, and replace as needed. Not required if pre-
viously replaced.X
Drain and refill the transfer case fluid. X
Inspection and service should also be performed anytime
a malfunction is observed or suspected. Retain all re-
ceipts.LThis maintenance is recommended by the manufac-
turer to the owner, but is not required to maintain
emissions warranty.
278 SCHEDULE ªAº
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S