Page 768 of 806
Required Maintenance
Refer to the Maintenance Schedules on the following
pages for required maintenance.
At Every Oil Change Interval As Indicated By OilChange Indicator System:
•Change oil and filter.
• Rotate the tires. Rotate at the first sign of irregu-
lar wear, even if it occurs before the oil indicator
system turns on.
• Inspect battery and clean and tighten terminals as
required.
• Inspect automatic transmission fluid if equipped
with dipstick.
• Inspect brake pads, shoes, rotors, drums, hoses
and park brake.
At Every Oil Change Interval As Indicated By Oil
Change Indicator System:
•Inspect engine cooling system protection and
hoses.
• Inspect exhaust system.
• Inspect engine air cleaner if using in dusty or
off-road conditions.
• Lube the front drive shaft fitting (2500/3500 (4x4)
models only).
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Page 769 of 806
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
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Page 770 of 806
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
Inspect the brake linings, replace
as necessary. XXX X X X X
Adjust parking brake as neces-
sary. XXX X X X X
Inspect transfer case fluid. X X X
Additional Maintenance
Replace engine air filter. X X X X X
Replace spark plugs
(3.6L engine).** X
Replace spark plugs
(5.7L engine).** X
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Page 771 of 806
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 engine).** 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
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Page 772 of 806
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.
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Page 773 of 806
WARNING!
•You can be badly injured working on or around a
motor vehicle. Do only service work for which you
have the knowledge and the right equipment. If
you have any doubt about your ability to perform a
service job, take your vehicle to a competent me-
chanic.
• Failure to properly inspect and maintain your ve-
hicle could result in a component malfunction and
effect vehicle handling and performance. This
could cause an accident.
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Page 795 of 806

Fog .................................174
Four-Wheel Drive Indicator ................439
Hazard Warning Flasher ..................629
Headlights ........................... .170
High Beam ........................... .180
High Beam Indicator .....................288
High Beam/Low Beam Select ...............180
Illuminated Entry ........................23
Instrument Cluster ..................... .284
Interior ............................. .175
Oil Pressure .......................... .289
Passing ............................. .180
Seat Belt Reminder ..................... .288
Security Alarm ........................ .289
Service .............................. .743
Side Marker .......................... .754
Tire Pressure Monitoring (TPMS) ............290
Traction Control ....................... .536
Transfer Case ......................... .439Turn Signal
.......................... .124
Warning (Instrument Cluster Description) ......284
Limited-Slip Differential ....................492
Loading Vehicle ......................... .588
Tires ............................... .545
Locks ..................................37
Automatic Door .........................39
Child Protection .........................40
Door .................................37
Power Door ............................39
Low Tire Pressure System ...................567
Lubrication, Body ........................ .704
Lug Nuts .............................. .630
Maintenance Free Battery ....................701
Maintenance Procedures ....................696
Maintenance Schedule ..................... .764
Malfunction Indicator Light (Check Engine) .......694
Manual, Service ......................... .780
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INDEX 793
Page 799 of 806

Restraints, Occupant........................50
Rotation, Tires .......................... .564
Safety Checks Inside Vehicle .................122
Safety Checks Outside Vehicle ................124
Safety Defects, Reporting ....................779
Safety, Exhaust Gas ....................... .121
Safety Information, Tire .....................539
Safety Tips ............................. .120
Schedule, Maintenance .....................764
Seat Belt Maintenance ..................... .730
Seat Belt Reminder .........................67
Seat Belts ................................50
Adjustable Upper Shoulder Anchorage .........63
And Pregnant Women .....................68
Child Restraint ..........................83
Extender ..............................68
Front Seat .............................54
Inspection ........................... .122Pretensioners
...........................66
Reminder ............................ .288
Untwisting Procedure .....................62
Seats ................................. .147
Adjustment .......................... .147
Easy Entry ........................... .166
Folding Floor ......................... .246
Memory ............................. .162
Power .............................. .147
Rear Folding ......................... .157
Reclining Rear ........................ .156
Security Alarm ............................22
Selection of Coolant (Antifreeze) ...............758
SENTRY KEY® FCC General Information ..................21
Key Programming .......................21
Sentry Key (Immobilizer) ....................19
Sentry Key Replacement .....................20
Service Assistance ........................ .775
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INDEX 797