Page 391 of 440

MAINTENANCE SCHEDULES
There are two maintenance schedules that show the
requiredservice for your vehicle.
First is Schedule“B”. It is for vehicles that are operated
under the conditions that are listed below and at the
beginning of the schedule.
•Day or night temperatures are below 32° F (0° C).
•Stop and go driving.
•Extensive engine idling.
•Driving in dusty conditions.
•Short trips of less than 10 miles (16 km).
•More than 50% of your driving is at sustained high
speeds during hot weather, above 90° F (32° C).
•Trailer towing.
•Taxi, police, or delivery service (commercial service).
•Off-road or desert operation.
•If equipped for and operating with E-85 (ethanol)
fuel.
NOTE:IfANYof these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow schedule “B” of the
Maintenance Schedulessection of this manual.
NOTE:IfANYof these apply to you then change your
coolant every 102,000 miles (170 000 km) or 60 months,
whichever comes first and follow schedule “B” of the
Maintenance Schedulessection of this manual.
NOTE:Most vehicles are operated under the conditions
listed for ScheduleB.
Second is Schedule“A”. It is for vehicles that are not
operated under any of the conditions listed under Sched-
uleB.
MAINTENANCE SCHEDULES 391
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Schedule “B”
Follow schedule “B” if you usually operate your vehicle
under one or more of the following conditions.
•Day or night temperatures are below 32° F (0° C).
•Stop and go driving.
•Extensive engine idling.
•Driving in dusty conditions.
•Short trips of less than 10 miles (16 km).
•More than 50% of your driving is at sustained high
speeds during hot weather, above 90° F (32° C).
•Trailer towing.
•Taxi, police, or delivery service (commercial service).
•Off-road or desert operation.
•If equipped for and operating with E-85 (ethanol)
fuel.
NOTE:IfANYof these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow schedule “B” of the
Maintenance Schedulessection of this manual.
NOTE:IfANYof these apply to you then change your
coolant every 102,000 miles (170 000 km) or 60 months,
whichever comes first and follow schedule “B” of the
Maintenance Schedulessection of this manual.
394 SCHEDULE “B”
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Miles 3,000 6,000 9,000 12,000 15,000
(Kilometers) (5 000) (10 000) (15 000) (20 000) (25 000)
Change engine oil and engine oil filter, or at 3
months whichever comes first.X X XXX
Rotate tires. X X
Check spare tire for proper pressure and correct
stowage.XX
Change rear axle fluid.X
Change front axle fluid (4X4).X
Inspect engine air cleaner filter, replace if neces-
sary.X
SCHEDULE “B” 395
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Page 396 of 440
Miles 18,000 21,000 24,000 27,000 30,000
(Kilometers) (30 000) (35 000) (40 000) (45 000) (50 000)
Change engine oil and engine oil filter, or at 3
months whichever comes first.X X XXX
Rotate tires. X X X
Check spare tire for proper pressure and correct
stowage.XXX
Change rear axle fluid.X
Change front axle fluid (4X4).X
Check transfer case fluid level (4X4).X
Inspect brake linings. X
Inspect engine air cleaner filter, replace if neces-
sary.X
Replace spark plugs.X
Inspect PCV valve, replace as necessary.**X
396 SCHEDULE “B”
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Page 397 of 440
Miles 33,000 36,000 39, 000 42,000 45,000
(Kilometers) (55 000) (60 000) (65 000) (70 000) (75 000)
Change engine oil and engine oil filter, or at 3
months whichever comes first.X X XXX
Rotate tires. X X
Check spare tire for proper pressure and correct
stowage.XX
Change rear axle fluid.X
Change front axle fluid (4X4).X
Inspect brake linings. X
Inspect engine air cleaner filter, replace if neces-
sary.X
SCHEDULE “B” 397
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Page 398 of 440
Miles 48,000 51,000 54,000 57,000 60,000
(Kilometers) (80 000) (85 000) (90 000) (95 000) (100 000)
Change engine oil and engine oil filter, or at 3
months whichever comes first.X X XXX
Rotate tires. X X X
Check spare tire for proper pressure and correct
stowage.XXX
Change rear axle fluid.X
Change front axle fluid (4X4).X
Inspect brake linings. X
Inspect engine air cleaner filter, replace if neces-
sary.X
Replace spark plugs.X
Inspect PCV valve, replace as necessary.**X
Inspect and replace ignition cables if necessary
(5.7L only).X
398 SCHEDULE “B”
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Page 399 of 440
Miles 48,000 51,000 54,000 57,000 60,000
(Kilometers) (80 000) (85 000) (90 000) (95 000) (100 000)
Inspect auto tension drive belt and replace if re-
quired.X
Drain and refill automatic transmission fluid,
change filter (3.7L). This applies only if your ve-
hicle is used for police, taxi, fleet, or frequent
trailer towing.X
Drain and refill automatic transmission fluid and
change main sump filter (4.7L/5.7L only). This ap-
plies only if your vehicle is used for police, taxi,
fleet, or frequent trailer towing.X
Inspect transfer case fluid (4X4).X
Flush and replace engine coolant at 60 months, or
102, 000 miles (170 000 km) whichever comes first.X
SCHEDULE “B” 399
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Page 400 of 440
Miles 63,000 66,000 69,000 72,000 75,000
(Kilometers) (105 000) (110 000) (115 000) (120 000) (125 000)
Change engine oil and engine oil filter, or at 3
months whichever comes first.XXXX
Rotate tires. X X
Check spare tire for proper pressure and correct
stowage.XX
Change rear axle fluid.X
Change front axle fluid (4X4).X
Inspect brake linings.X
Inspect engine air cleaner filter, replace if neces-
sary.X
Inspect auto tension drive belt and replace if re-
quired.X
400 SCHEDULE “B”
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