2020–2022 Ford F-250 / F-350 Super Duty 6.2L or 7.3L V8 gas maintenance schedule
From the factory owner's manual. "Severe" is the schedule the manual gives for towing, plowing, heavy loads, lots of idling, dusty roads or extreme temperatures. Your truck's own manual and dash reminders come first.
From the 2022 owner's manual; other years of this generation may differ slightly.
| Item | Normal driving | Severe use |
|---|---|---|
| Oil and filter change | Every 10,000 miles or 1 year | Every 5,000 miles or 6 months |
| Tire rotation | Every 10,000 miles or 1 year | Every 5,000 miles |
| Inspect steering linkage, ball joints, tie-rod ends and U-joints; grease any fittings | Every 10,000 miles or 1 year | Every 5,000 miles or 6 months |
| Change brake fluid | Every 3 years | Every 3 years |
| Replace cabin air filter | Every 20,000 miles | Every 20,000 miles |
| Replace engine air filter | Every 30,000 miles | Every 30,000 miles |
| Replace spark plugs | Every 100,000 miles | Every 60,000 miles |
| Change engine coolant | First at 200,000 miles or 10 years, then every 100,000 miles or 5 years | First at 200,000 miles or 10 years, then every 100,000 miles or 5 years |
| Change automatic transmission fluid and filter | Every 150,000 miles | Every 150,000 miles |
| Change transfer case fluid (4x4) | Every 150,000 miles | Every 60,000 miles |