Operating in dusty conditions such as unpaved or dusty roads
Every 5,000 miles (8,000 km) or 6
months
Change engine oil and replace filter
Every 5,000 miles (8,000 km) Check air filter restriction gauge (replace air filter as
required or when air filter restriction gauge indicates)
Inspect and lubricate steering and suspension ball joints
As required Replace cabin air filter, if equipped
Off-road operation
Every 5,000 miles (8,000 km) or 6
months
Change engine oil and replace filter
Every 5,000 miles (8,000 km) Check air filter restriction gauge (replace air filter as
required or when air filter restriction gauge indicates)
Every 50,000 miles (80,000 km) Check front axle lubricant (4x4 only)
Change rear axle lubricant (E–450, F–450 and F–550
only)
Every 60,000 miles (96,000 km) Change transfer case fluid
As required Inspect and lubricate steering and suspension ball joints
Short trip in cold operating conditions
Every 5,000 miles (8,000 km) or 6
months
Change engine oil and replace filter
Every 5,000 miles (8,000 km) Inspect and lubricate steering and suspension ball joints
Every 60,000 miles (96,000 km) Change transfer case fluid
2006 Econoline (eco)
Supplement
USA (fus)
Scheduled Maintenance Guide
61