"T" - Towing A Trailer or Using A Camper or Car-Top Carrier

Every 3,000 miles or 3 months

- Change engine oil and replace oil filter.

Every 30,000 miles - Change automatic transmission fluid

- Lubricate 4x4 front hub needle bearing (F-Super Duty)

Every 60,000 miles - Change transfer case fluid

As required - Change manual transmission fluid

As required - Inspect and lubricate U-joints