Ford F-250 2017 Owner's Manual page 583

Every 45000 miles (72000
km)
Every 60000 miles (96000
km)
At 90000 miles (144000
km)
Every 100000 miles
(160000 km)
Every 150000 miles
(240000 km)
1
You can perform these maintenance items within 3000 miles (4800 kilometers) of the
last oil change. Do not exceed the designated distance for the interval.
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.
2
Perform follow-up inspections every 15000 miles (24000 kilometers) after the initial
inspection. Replace the belt(s) at 150000 miles (240000 kilometers).
3
Initial change is at six years or 100000 miles (160000 kilometers), then every three years
or 45000 miles (72000 kilometers).
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Scheduled Maintenance
Other maintenance items
Inspect the engine and secondary cooling system coolant
concentration (freeze-point protection), additive (corro-
sion inhibitor) strength, coolant level, and hoses. Add
coolant additive if necessary.
Replace the air inlet foam filter.
Replace the front wheel bearing grease and grease seal
if using non-sealed bearings. (Two-wheel drive vehicles)
Inspect the accessory drive belt(s).
Change the crankcase ventilation filter assembly.
Change the engine and secondary cooling system coolant.
Change the automatic transmission fluid and filter. Consult
an authorized dealer for requirements.
Replace the accessory drive belt(s) if not replaced within
the last 100000 miles (160000 km)
Replace the front wheel bearings and seals if using non-
sealed bearings. (Two-wheel drive vehicles)
Change axle(s) fluid. (see exceptions)
Change transfer case fluid. (if equipped)
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