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402
SERVICING AND MAINTENANCE
Mileage or time passed (whichever comes first)
Or Years:
Or Kilometers:
Replace engine air cleaner.
Flush and replace the engine coolant at 10 years or
150,000 miles (240,000 km) whichever comes first.
Replace accessory drive belt(s).
Inspect the transfer case fluid, change for any of the
following: police, taxi, fleet, or frequent trailer towing.
Change transfer case fluid.
1. Under normal conditions the diesel fuel filter should be replaced every 20,000 miles (32,000 km) (every other oil change). If the vehicle is being used in severe operating conditions,
or In certain geographical areas of the country (Pennsylvania, New York, Ohio, Maryland, West Virginia, Arkansas, Oklahoma, Kansas, Iowa, Missouri and Nebraska) due to fuel
cleanliness issues, it's recommended to replace the fuel filter every 10,000 miles (16,000 km).
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