Factory maintenance schedule OEM · verified
Normal service, condensed from the factory interval matrix.
Under the factory schedule, replace the engine oil and filter every 20,000 mi; spark plugs every 80,000 mi; coolant every 100,000 mi. The big-interval services (every 100,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.
| Every 10,000 mi | Diesel Emissions Fluid (inspect fluid level) · Universal Vehicle Operation (road test) |
| At 20,000 mi | Fuel Filter Water Separator (drain) |
| Every 20,000 mi | Cabin Air Filter (replace) · Engine Oil (drain & refill) · Engine Oil Filter (replace) |
| Every 30,000 mi | Brake Hydraulic System (drain, refill & bleed) |
| Every 40,000 mi | Engine Air Filter Element (replace) · Fuel Filter (replace) · Fuel Filter Water Separator (drain) |
| Every 80,000 mi | Spark Plugs (replace) |
| Every 96,000 mi | Brake Line (replace) |
| Every 100,000 mi | Drive Axle Assembly (drain & refill) · Drive Belt (replace) · Engine Coolant System (drain, flush & refill) · Transfer Case Assembly (drain & refill) · Transmission Fluid & Filter (replace) |