Ford F-150 Owner's Manual page 451

Extensive idling and/or low-speed driving for long distances as
in heavy commercial use such as delivery, taxi, patrol car or
Every 5,000 miles Change engine oil and filter
(8,000 km) or
6 months
Every 5,000 miles Change automatic transmission fluid (except
(8,000 km), 6R80 and TorqShift transmissions)
6 months or
Replace front wheel bearing grease/grease seals if
200 hours of engine
non-sealed bearings are used (2WD vehicles)
operation
Every 30,000 miles Change automatic transmission fluid (except
(48,000 km) 6R80 and TorqShift transmissions)
Replace front wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles)
Every 60,000 miles Change transfer case fluid (4WD vehicles)
(96,000 km)
Replace spark plugs
Operating in dusty conditions such as unpaved or dusty roads
Inspect frequently, Replace cabin air filter (if equipped)
service as required
Replace engine air filter
Every 5,000 miles Inspect the wheels and related components for
(8,000 km) abnormal noise, wear, looseness or drag
Rotate tires, inspect tires for wear and measure
tread depth
Every 5,000 miles Change engine oil and filter
(8,000 km) or
Inspect and lubricate U-joints
6 months
Every 30,000 miles Change automatic transmission fluid (except
(48,000 km) 6R80 and TorqShift transmissions)
Replace front wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles)
Every 60,000 miles Change transfer case fluid (4WD vehicles)
(96,000 km)
2011 F-150 (f12)
Owners Guide, 3rd Printing
USA (fus)
Scheduled Maintenance
livery
451