Other Maintenance Items 1
Replace cabin air filter.Every 20,000 mi (32,000 km)
Replace engine air filter.Every 30,000 mi (48,000 km)
Replace spark plugs.
Every 100,000 mi (160,000 km)
Inspect accessory drive belt(s). 2
Change automatic transmission fluid.
Every 150,000 mi (240,000 km)
Change front axle fluid - Four-wheel drive vehicles.
Change rear axle fluid.
Change transfer case fluid - Four-wheel drive vehicles.
Replace accessory drive belt(s).
Change engine coolant - if your vehicles has yellow-colored coolant.3Every 200,000 mi (320,000 km)
1 Perform these maintenance items within 3,000 mi (4,800 km) of the last engine oil and filter change. Do not exceed the designated distancefor the interval.2 After initial inspection, inspect every other oil change until replaced.3 Initial replacement at ten years or 200,000 mi (320,000 km), then every five years or 100,000 mi (160,000 km).
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Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201808, First-Printing
Scheduled Maintenance
SPECIAL OPERATING CONDITIONS
SCHEDULED MAINTENANCE
If you operate your vehicle primarily in anyof the following conditions, you need toperform extra maintenance, as indicated. Ifyou operate your vehicle occasionally underany of these conditions, it is not necessaryto perform the extra maintenance. For
specific recommendations, see yourdealership service advisor or technician.
Perform the services shown in the followingtables when specified or within 3,000 mi(4,800 km) of the message appearing in theinformation display prompting you to changeyour oil.
•Example 1: The message comes on at28,751 mi (46,270 km). Perform the30,000 mi (48,000 km) automatictransmission fluid replacement.
•Example 2: The message has not comeon, but the odometer reads 30,000 mi(48,000 km) (for example, the IntelligentOil-Life Monitor was reset at 25,000 mi(40,000 km)). Perform the engine air filterreplacement.
Towing a Trailer or Using a Car-top Carrier
Change engine oil and filter as indicated by the information display and perform services listed in the NormalScheduled Maintenance chart.As required
Inspect and lubricate U-joints (if equipped with grease fittings).Inspect frequently, serviceas requiredSee axle maintenance items under Exceptions.
Change transfer case fluid (Four-wheel drive vehicles).Every 60,000 mi(96,000 km)Replace spark plugs.
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Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201808, First-Printing
Scheduled Maintenance
