Ford SUPER DUTY 2023 Owner's Manual page 602

When to Expect the Message Prompting You to Change Your Oil
mi (km)
7,500–10,000 mi
(12,000–16,000 km)
Less than 7,500 mi
(12,000 km)
Note: Use the appropriate special operating condition for maintenance information when
using high sulfur diesel fuels, operating your vehicle off-road or in dusty conditions, such as
unpaved roads.
Note: For every hour that your vehicle idles, it accumulates the equivalent of approximately
25 mi (40 km).
Normal Maintenance Intervals
At Every Oil Change Interval as Indicated by the Instrument Cluster Display
Change the engine oil and filter.
Fuel and water separator. Drain if necessary or if indicated by the instrument cluster
display.
Refill the diesel exhaust fluid tank.
Rotate the tires, inspect the tires for wear and measure the tread depth.
Perform a multi-point inspection, recommended.
Inspect the air filter restriction gauge. Replace the air filter if necessary.
Inspect the brake pads, shoes, rotors, drums, brake linings, hoses and the parking brake.
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOM
Scheduled Maintenance
Minimal idle time.
Normal commuting with highway driving.
No, or moderate, load or towing.
Flat to moderately hilly roads.
No extended idling.
Moderate to heavy load or towing.
Mountainous or off-road conditions.
Extended idling, 200-300 hours.
Extended hot or cold operation.
Maximum load or towing.
Extreme hot or cold operation.
Use of high sulfur diesel fuel.
2
598
Vehicle Use and Example
Normal
Severe
1
4
3