2018-Navigator-Owners-Manual

Scheduled Maintenance

Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use Change engine oil and filter as indicated by the information display and perform services listed in the Normal Scheduled Maintenance chart.

As required

Replace engine air filter. Inspect frequently, service as required Replace cabin air filter.

Every 60,000 mi (96,000 km)

Change transfer case fluid (Four-wheel drive vehicles).

Replace spark plugs.

Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)

Replace engine air filter. Inspect frequently, service as required Replace cabin air filter. Inspect the wheels and related components for abnormal noise, wear, looseness or drag. Every 5,000 mi (8,000 km) Rotate tires, inspect tires for wear and measure tread depth.

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Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, First Printing

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