Off-road operation
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 50,000 miles
(80,000 km)
Change manual transmission fluid
Change rear axle fluid (E-450 and F-450/550
only)
Every 60,000 miles
(96,000 km)
Change transfer case fluid (4WD vehicles)
*If equipped with dual rear wheels, rotate front wheels when specified,
rear wheels only if unusual wear is noted
Exclusive use of E85 (Flex Fuel Vehicles only)
Every oil change
interval
If ran exclusively on E85, fill the fuel tank full
with regular unleaded fuel
Scheduled Maintenance
328
2011 Econoline
(eco)
Owners Guide, 3rd Printing
USA
(fus)