Lincoln NAVIGATOR 2015 Owner's Manual page 457

456
Extensive idling or low-speed driving for long distances as in
heavy commercial use (such as delivery, taxi, patrol car or
As required
Inspect frequently,
service as required
Every 60000 miles
(96000 km)
Operating in dusty or sandy conditions such as unpaved or
Inspect frequently,
service as required
Every 5000 miles
(8000 km)
Every 5000 miles
(8000 km) or six
months
Every 60000 miles
(96000 km)
*
Reset your Intelligent Oil-Life Monitor after each engine oil and filter
change. See the Instrument Cluster chapter.
Scheduled Maintenance
livery)
Change engine oil and filter as indicated by
the information display and perform services
listed in the Normal Scheduled Maintenance
chart.
Replace engine air filter.
Replace spark plugs.
Change transfer case fluid (Four–wheel drive
vehicles).
dusty roads
Replace engine air filter.
Inspect the wheels and related components for
abnormal noise, wear, looseness or drag.
Rotate tires, inspect tires for wear and
measure tread depth.
Change engine oil and filter.
Change transfer case fluid (Four–wheel drive
vehicles).
*