Lincoln NAVIGATOR 2015 Owner's Manual page 458

Inspect frequently,
service as required
Every 5000 miles
(8000 km) or six
months
Every 30000 miles
(48000 km)
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
Off-road operation
Inspect steering linkage, ball joints and
U-joints. Lubricate if equipped with grease
fittings.
Replace engine air filter.
Change engine oil and filter.
Inspect wheels and related components for
abnormal noise, wear, looseness or drag.
Rotate tires, inspect tires for wear and
measure tread depth.
Replace front wheel bearing grease and grease
seals if non-sealed bearings are used (2WD
vehicles).
Change transfer case fluid (Four–wheel drive
vehicles).
*
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