Ford Expedition 2020 Owner's Manual page 485

Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use
As required
Inspect frequently, service
as required
Every 60,000 mi
(96,000 km)
Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)
Inspect frequently, service
as required
Every 5,000 mi (8,000 km)
Every 5,000 mi (8,000 km)
or six months
Every 60,000 mi
(96,000 km)
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Reset your Intelligent Oil-Life Monitor after each engine oil and filter change.
Inspect frequently, service
as required
Every 5,000 mi (8,000 km)
or six months
Expedition (TB8) Canada/United States of America, enUSA, Edition date: 201907, Third-Printing-
Scheduled Maintenance
Change engine oil and filter as indicated by the information
display and perform services listed in the Normal Sched-
uled Maintenance chart.
Replace engine air filter.
Replace cabin air filter.
Change transfer case fluid (Four-wheel drive vehicles).
Replace spark plugs.
Replace engine air filter.
Replace cabin 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).
Off-road Operation
Inspect steering linkage, ball joints and U-joints. Lubricate
if equipped with grease fittings.
Replace engine air filter.
Replace cabin air filter.
Change engine oil and filter.
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
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