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Perform Maintenance Every (Where time and mileage
are listed, follow the interval that occurs first.)
Maintenance Items Miles Kilometers or Months
Replace the engine air cleaner filter. 30,000 50 000 30
Inspect the transfer case fluid. 30,000 50 000 30
Replace the top row of spark plugs on 4.7L engines.
**
30,000 50 000 30
Replace the spark plugs on 3.7L and 5.7L engines. 30,000 50 000 30
Drain and refill automatic transmission fluid and
change main sump filter (4.7L/5.7L engines only). This
applies only if your vehicle is used for police, taxi,
fleet, or frequent trailer towing.
60,000 100 000 60
Drain and refill automatic transmission fluid, change
filter (3.7L engines). This applies only if your vehicle
is used for police, taxi, fleet, or frequent trailer towing.
60,000 100 000 60
Change the transfer case fluid if using your vehicle for
any of the following: police, taxi, fleet, off-road or fre-
quent trailer towing.
60,000 100 000 60
448 MAINTENANCE SCHEDULES
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