Ford F-250 2017 Owner's Manual page 587

As required
Every 15000 miles (24000
km), 6 months, 600 engine
hours
Every 30000 miles (48000
km)
Every 30000 miles (48000
km) or 1200 engine hours
Every 60000 miles (96000
km) or 2400 engine hours
Note: When adding coolant additive, do not exceed the specified maximum of 48 fluid
ounces (1.4 liters) for the engine and 16 fluid ounces (473 ml) for the secondary cooling
system. Operating the engine with excessive coolant additive may cause overheating which
could lead to severe, permanent engine damage.
Note: After the initial coolant flush and fill at 60000 miles (96000 kilometers) or 2400
engine hours, flush and fill every 45000 miles (72000 kilometers) or 1800 engine hours
thereafter.
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Scheduled Maintenance
Towing a trailer or using a car-top carrier
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
See the axle maintenance items under Exceptions.
Replace the engine-mounted and frame-mounted fuel
filters.
Replace the wheel bearing grease and grease seals if using
non-sealed bearings. (Two-wheel drive vehicles)
Inspect the engine and secondary cooling system coolant
concentration (freeze-point protection) and additive
(corrosion inhibitor) strength. Add coolant additive if
necessary.
Flush and refill the coolant. Do not add coolant additive.
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