Ford F-150 Owner's Manual page 450

Extensive idling or low-speed driving for long distances, as in heavy commercial use
Every 60000 miles (96000
km)
*
Reset your oil life monitoring system after each engine oil and filter change.
Operating in dusty or sandy conditions (such as unpaved or dusty roads)
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 oil life monitoring system after each engine oil and filter change.
Inspect frequently, service
as required
Every 5000 miles (8000
km) or six months
Every 60000 miles (96000
km)
*
Reset your oil life monitoring system after each engine oil and filter change.
F150 (TF6) , enUSA
Scheduled Maintenance
(such as delivery, taxi, patrol car or livery)
Change transfer case fluid (Four-wheel drive vehicles).
Replace spark plugs.
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.
Inspect and lubricate U-joints.
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.
Change engine oil and 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 transfer case fluid (Four-wheel drive vehicles).
447
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