"D" - Operating In Dusty Conditions

SPECIAL OPERATING CONDITION "D" - 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/transaxle fluid (not required on 6R60 transmission) Check air filter restriction gauge, replace filter as required (Focus only).

EVERY 50,000 MILES Change rear axle lubricant (E450 and F450/550 only).

EVERY 60,000 MILES Change transfer case fluid.

AS REQUIRED Replace engine air filter.

AS REQUIRED Replace cabin air filter (if equipped).