Page 755 of 790
Maintenance Chart
Mileage or time passed
(whichever comes first)
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
150,000
Or Years: 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
32,000
48,000
64,000
80,000
96,000
112,000
128,000
144,000
160,000
176,000
192,000
208,000
224,000
240,000
Additional Inspections
Inspect the CV/Universal joints. X XX X X
Inspect front suspension, tie rod
ends, and replace if necessary. XXX X X X X
Inspect the front and rear axle
surfaces. If gear oil leakage is
suspected, check the fluid level.
If using your vehicle for police,
taxi, fleet, off-road or frequent
trailer towing, change axle fluid. XXX X X X X
8
M
A I
N T
E
N
A
N
C E
S
C
H E
D
U L
E
SMAINTENANCE SCHEDULES 753
Page 757 of 790
Mileage or time passed
(whichever comes first)
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
150,000
Or Years: 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
32,000
48,000
64,000
80,000
96,000
112,000
128,000
144,000
160,000
176,000
192,000
208,000
224,000
240,000
Replace spark plugs (6.4L en-
gine).** X
Flush and replace the engine
coolant at 10 years or 150,000
miles (240,000 km) whichever
comes first. XX
Change automatic transmission
fluid and filter(s) (six-speed auto-
matic only), if using your vehicle
for police, taxi, fleet, or frequent
trailer towing. X
8
M
A I
N T
E
N
A
N
C E
S
C
H E
D
U L
E
SMAINTENANCE SCHEDULES 755
Page 758 of 790
Mileage or time passed
(whichever comes first)
20,000
30,000
40,000
50,000
60,000
70,000
80,000
90,000
100,000
110,000
120,000
130,000
140,000
150,000
Or Years: 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Or Kilometers:
32,000
48,000
64,000
80,000
96,000
112,000
128,000
144,000
160,000
176,000
192,000
208,000
224,000
240,000
Change automatic transmission
fluid and filter (six-speed auto-
matic only). X
Inspect the transfer case fluid,
change for any of the following:
police, taxi, fleet, or frequent
trailer towing. X
Change the transfer case fluid. X
Inspect and replace PCV valve if
necessary. X
** The spark plug change interval is mileage based only,
yearly intervals do not apply.
8
M
A I
N T
E
N
A
N
C E
S
C
H E
D
U L
E
S756 MAINTENANCE SCHEDULES
Page 779 of 790

Integrated Trailer Brake Controls..............593
Interior Appearance Care ....................716
Interior Lights .......................... .168
Intermittent Wipers (Delay Wipers) .............174
Introduction ..............................4
Inverter Outlet (115V) ..................... .225
Jack Location ........................... .621
Jump Starting ........................... .659
Key-In Reminder ..........................18
Keyless Enter-N-Go ........................41
Keyless Entry System .......................23
Key, Programming .........................20
Key, Replacement ..........................19
Keys ...................................12
Key, Sentry (Immobilizer) ....................18
Lane Change and Turn Signals ................172
Lane Change Assist ....................... .173
Lap/Shoulder Belts .........................53
Latches ................................119 Lead Free Gasoline
....................... .568
Leaks, Fluid .............................119
Life of Tires ............................ .549
Light Bulbs ..............................119
Lights .................................119
Airbag ................................74
Alarm .............................. .283
Anti-Lock ............................ .278
Anti-Lock Warning ..................... .516
Automatic Headlights ....................163
Brake Assist Warning ....................527
Brake Warning ........................ .280
Bulb Replacement ...................... .732
Cap Top Clearance ..................... .738
Cargo .............................. .171
Center Mounted Stop ....................736
Check Engine (Malfunction Indicator) .........278
Courtesy/Reading ..................... .169
Daytime Running ...................... .164
10
INDEX 777