Page 305 of 344
Miles 78,000 81,000 84,000 87,000 90,000
(Kilometers) (125 000) (130 000) (134 000) (139 000) (144 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air cleaner filter, replace if nec-
essary.X
Inspect the PCV Valve, replace if necessary.LX
Replace the spark plugs.X
Lubricate the upper knuckle ball stud at steering &
suspension ball joints.XXX
Drain and refill the transfer case fluid (Quadra-Trac
Models Only).X
Inspect the brake linings. X
Clean and lubricate the brake caliper pins. X
Drain and refill the front and rear axle fluid. X
Drain and refill the automatic transmission fluid,
and change filter (4.0L Only).X
SCHEDULE ªBº 305
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 306 of 344
Miles 78,000 81,000 84,000 87,000 90,000
(Kilometers) (125 000) (130 000) (134 000) (139 000) (144 000)
Drain and refill the automatic transmission fluid,
replace main sump filter, and spin-on cooler return
filter (if equipped) (4.7L Only).X
Inspect the drive belt and replace as needed. Not
required if belt was previously replaced.X
306 SCHEDULE ªBº
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
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D
U
L
E
S
Page 307 of 344
Miles 93,000 96,000 99,000 102,000 105,000
(Kilometers) (149 000) (154 000) (158 000) (163 000) (168 000)
Change the engine oil and engine oil filter. X X X X X
Inspect the engine air cleaner filter, replace if nec-
essary.X
Lubricate the upper knuckle ball stud at steering &
suspension ball joints.XX
Inspect the brake linings. X
Clean and lubricate the brake caliper pins. X
Drain and refill the front and rear axle fluid. X
Inspect the drive belt and replace as needed. Not
required if belt was previously replaced.X
Flush and replace the engine coolant. X
SCHEDULE ªBº 307
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 308 of 344
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 cleaner filter, replace if nec-
essary.X
Inspect the PCV Valve, replace if necessary.LX
Replace the spark plugs.X
Lubricate the upper knuckle ball stud at steering &
suspension ball joints.XXX
Inspect the brake linings. X X
Clean and lubricate the brake caliper pins. X X
Drain and refill the front and rear axle fluid. X X
Drain and refill the automatic transmission fluid,
and change filter (4.0L Only).X
Drain and refill the automatic transmission fluid,
and replace main sump filter (4.7L Only).X
308 SCHEDULE ªBº
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
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D
U
L
E
S
Page 309 of 344
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 (Selec-Trac
and Quadra-Trac Models).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.³Off-highway operation, trailer towing, taxi, limousine,
bus, or other types of commercial service or prolonged
operation with heavy loading, especially in hot weather,
require front and rear axle service indicated witha³in
Schedule ªBº. Perform these services if the vehicle is
usually operated under these conditions.
SCHEDULE ªBº 309
8
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C
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Page 310 of 344
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 cleaner filter, and replace if
necessary.X
Replace the spark plugs.X
Lubricate the upper knuckle ball stud at steering &
suspension ball joints.XX
Inspect the brake linings. X
Clean and lubricate the brake caliper pins. X
Inspect transfer case fluid (Selec-Trac Models Only). X
Drain the transfer case and refill (Quadra-Trac
Models Only).X
310 SCHEDULE ªAº
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S
Page 311 of 344
Miles 36,000 42,000 48,000 54, 000
(Kilometers) (58 000) (67 000) (77 000) (86 000)
[Months] [36] [42] [48] [54]
Change the engine oil and engine oil filter. X X X X
Inspect the brake linings. X X
Lubricate the upper knuckle ball stud at steering & sus-
pension ball joints.XX
Clean and lubricate the brake caliper pins. X X
SCHEDULE ªAº 311
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
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D
U
L
E
S
Page 312 of 344
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 cleaner filter, and replace if nec-
essary.X
Inspect the PCV Valve, replace if necessary.LX
Replace the spark plugs.X
Lubricate the upper knuckle ball stud at steering & sus-
pension ball joints.XX
Inspect and replace the drive belt if necessary (4.0L
Only). Not required if belt was previously replaced.XX
Flush and replace the engine coolant. X
Inspect the brake linings. X
Clean and lubricate the brake caliper pins. X
Inspect transfer case fluid (Selec-Trac Models Only). X
Drain the transfer case and refill (Quadra-Trac Models
Only).X
312 SCHEDULE ªAº
8
M
A
I
N
T
E
N
A
N
C
E
S
C
H
E
D
U
L
E
S