Extensive idling and/or low-speed driving for long distances as
in heavy commercial use (i.e. delivery, taxi, patrol car or livery)
Inspect frequently,
service as required
Replace cabin air filter (if equipped)
Replace engine air filter
Every 5,000 miles
(8,000 km)
Inspect brake system
Inspect wheels and related components for
abnormal noise, wear, looseness or drag
Lubricate control arm and steering ball joints if
equipped with grease fittings
Rotate tires*, inspect tires for wear and measure
tread depth
Every 5,000 miles
(8,000 km) or
6 months
Inspect and lubricate U-joints
Every 5,000 miles
(8,000 km),
6 months or 200
engine hours
Change engine oil and filter
Every 30,000 miles
(48,000 km)
Change automatic transmission fluid (except
6R80 and TorqShift
威
transmissions)
Replace front wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles)
Every 60,000 miles
(96,000 km)
Change transfer case fluid (4WD vehicles)
Replace spark plugs
*If equipped with dual rear wheels, rotate front wheels when specified,
rear wheels only if unusual wear is noted
Scheduled Maintenance
441
2012 F-250/350/450/550
(f23)
Owners Guide, 1st Printing
USA
(fus)