| Normal Operating Conditions |
| . |
6.9L / 7.3L Engine |
6.0L Engine |
6.4L Engine |
6.7L Engine |
| Oil & Oil Filter |
Every 5,000 miles |
Every 7,500 miles |
Every 10,000 miles |
Oil change service intervals should be completed as indicated by the instrument cluster message center |
| Fuel Filter |
Every 15,000 miles |
Every 15,000 miles |
Every 20,000 miles |
Change every 3rd oil change or every 22,500 miles (36,000 km) or as indicated by the message center which ever comes first |
| Air Filter |
Inspect filter minder every 5,000 miles and replace as needed |
Inspect filter minder every 7,500 miles and replace as needed |
Inspect filter minder every 10,000 miles and replace as needed |
Inspect filter minder every 10,000 miles and replace as needed |
| Coolant Check/Change |
Change every 15,000 miles |
Check every 6 months and initial change at 100,000 miles; subsequent changes every 45,000 miles |
Check every 6 months and initial change at 100,000 miles; subsequent changes every 50,000 miles |
Initial change at 105,000 miles or 72 months; subsequent changes every 45,000 miles |
| Coolant Nitrite Strength Check |
Change every 15,000 miles |
Optional check at 15,000 miles or 600 engine hours |
Optional check at 20,000 miles or 800 engine hours |
Check every 15,000 miles or 600 hours |
|
Special Operating Conditions
|
| Oil & Oil Filter |
Every 3,000 miles or
3 months |
Every 5,000 miles, 200 engine hours |
Every 5,000 miles, 200 engine hours |
Oil change service intervals should be completed as indicated by the instrument cluster message center |
| Fuel Filter |
Every 15,000 miles |
Every 10,000 miles, 400 engine hours (every other oil & oil filter change) |
Every 10,000 miles, 400 engine hours(every other oil & oil filter change) |
Change every 15,000 miles (24,000 km) or 600 engine hours or as indicated by the message center whichever comes first |
| Air Filter |
Inspect filter minder every 3,000 miles and replace as needed |
Inspect filter minder every 5,000 miles and replace as needed |
Inspect filter minder every 5,000 miles and replace as needed |
Inspect filter minder every 5,000 miles and replace as needed |
| Coolant Check/Change |
Change every 15,000 miles |
Check every 15,000 miles or 600 engine hours and change every 45,000 miles or 1,800 engine hours |
Check every 20,000 miles or 800 engine hours and change every 60,000 miles or 2,400 engine hours |
Initial change 60,000 miles or 2400 hours of engine operation; subsequent changes every 45,000 miles or 1800 hours |
| Coolant Nitrite Strength Check |
Change every 15,000 miles |
Check every 15,000 miles or 600 engine hours |
Check every 20,000 miles or 800 engine hours |
Check every 15,000 miles or 600 hours |
