Special Operating Conditions T, I, D, O, E, S
Items Needing Special AttentionIf you operate your Ford/Lincoln/Mercury primarily in any of the more demanding "Special Operating Conditions" listed below, you will need to have the following items maintained more frequently. If you only occasionally operate your vehicle under these conditions it is not necessary to perform the additional maintenance. For specific recommendations see your dealership service advisor or a qualified service professional.
T : Towing a trailer or using a camper or car-top carrier
Every 3,000 miles or 3 months Replace engine oil and filter
Every 30,000 miles Change automatic transmission fluid
As required Change manual transmission fluid
As required Inspect and lubricate U-joints
I : Extensive idling and/or low speed driving for long distances as in heavy comercial use such as delivery, taxi or patrol car.
Every 3,000 miles or 3 months replace engine oil and filter
Every 5,000 miles Inspect brake system
Every 15,000 miles Replace fuel filter
Every 30,000 miles Change automatic transmission fluid
Every 60,000 miles Replace spark plugs
As required Replace cabin air filter
D : Operating in dusty conditions such as unpaved or dusty roads.
Every 3,000 miles or 3 months replace engine oil and filter
Every 15,000 miles Replace fuel filter
Every 30,000 miles Change automatic transmission fluid
As required Replace engine air filter
As required Replace cabin air filter
O : Off-road operation
Every 3,000 miles or 3 months replace engine oil and filter
As required Replace cabin air filter
As required Inspect and lubricate U-joints