FORD 2014 E-450 v.3 - Manual (Page 444)

Operating in dusty or sandy conditions such as unpaved or
dusty roads
Every 30000 miles
(48000 km) Change automatic transmission fluid on 4–speed
transmission.
Replace front wheel bearing grease and grease
seals if non-sealed bearings are used.
Every 50000 miles
(80000 km) Change rear axle fluid.
* Vehicles equipped with dual rear wheels should rotate the 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 443
2014 Econoline (eco)
Owners Guide gf, 3rd Printing, September 2013
USA (fus)