Maintenance and Service Guide

Operating in dusty conditions such as unpaved or dusty roads
Every 3,000 miles or 3 months Change engine oil and replace oil filter
Every 15,000 miles Replace fuel filter
Every 30,000 miles Change automatic transmission fluid
Check air filter minder, replace filter as required
(Focus PZEV engine)
Every 50,000 miles Change rear axle lubricant (E and F series 450 and
550 only)
Every 60,000 miles Change transfer case fluid
As required Replace engine air filter
As required Replace cabin air filter
Off-road operation
Every 15,000 miles Lubricate 4X4 front hub needle bearings (F Super
Duty)
Every 30,000 miles Change automatic transmission fluid
Every 50,000 miles Change rear axle lubricant (E and F series 450 and
550 only)
Every 60,000 miles Change transfer case fluid
As required Replace cabin air filter
As required Inspect and lubricate U-joints
As required Inspect and lubricate steering linkage ball joints with
zerk fittings
Use of E85 50% of the time or greater (flex fuel vehicles only)
Every 3,000 miles or 3 months Change engine oil and replace oil filter
Every 60,000 miles Replace spark plugs
S PECIAL O PERATING C ONDITIONS
44 Scheduled Maintenance
Special Operating Conditions & Exceptions