Additional Required Services
The following services should be performed at the first maintenance service (I or II) after the indicated miles (kilometers) shown for each item.
Additional Required Services
| Service | 25,000 miles (41,500 km) | 50,000 miles (83,000 km) | 75,000 miles (125,000 km) | 100,000 miles (166,000 km) | 125,000 miles (207,500 km) | 150,000 miles (240,000 km) |
|---|---|---|---|---|---|---|
| Inspect fuel system for damage or leaks. | X | X | X | X | X | X |
| Inspect exhaust system for loose or damaged components. | X | X | X | X | X | X |
| Change automatic transmission fluid and filter (severe service). Refer to footnote (h). | or | X | or | X | or | X |
| Change automatic transmission fluid and filter (normal service). | or | or | or | X | or | or |
| Change transfer case fluid. Refer to footnote (g). | or | X | or | X | or | X |
| Replace engine air cleaner filter. Refer to Air Cleaner Element Replacement . An Emission Control Service. | or | or | or | X | or | or |
| Replace spark plugs and inspect spark plug wires. An Emission Control Service. | or | or | or | X | or | or |
| Inspect positive crankcase ventilation (PCV) valve. An Emission Control Service. | or | or | or | X | or | or |
| Engine cooling system service (or every 5 years, whichever occurs first). An Emission Control Service. Refer to footnote (j). | or | or | or | or | or | X |
| Inspect engine accessory drive belt. An Emission Control Service. | or | or | or | or | or | X |