Replace Engine Oil and Oil Filter | Up to 70,000 miles with oil sampling and International Truck approval Greater than 6.5 mpg: 50,000 miles (80,000 km) 5.5 to 6.5 mpg: 35,000 miles (56,000 km) Less than 5.5 mpg: 20,000 miles (32,000 km), 500 hours, or 6 months |
Replace Fuel Filter | At every oil change or 1,300 hours |
Diesel Particulate Filter Cleaning | Greater than 6.5 mpg: 600,000 miles / 11,000 hours 5.5 to 6.5 mpg: 500,000 miles / 9,000 hours Less than 5.5 mpg: 350,000 miles / 9,000 hours |
Replace DEF Filter | 300,000 miles (483,000 km) |
Add Extended Life Coolant Extender | 600,000 miles (966,000 kilometers) |
Replace Coolant | 1,200,000 miles (1,931,000 km) / 8 years / 15,000 hours |
Adjust Valve Lash | For normal service vehicles with an annual mileage over 30,000 miles (48,000 km): At 120,000 miles (193,000 km), at 300,000 miles (483,000 km), then every 300,000 miles (483,000 km) For severe service applications that average up to 30,000 miles (48,000 km) per year: At 1,000 hours, at 3,000 hours, then every 3,000 hours |