User Manual - Page 564

For 2020 Super Duty F-350 XL.

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At Every Oil Change Interval as Indicated by the Information Display
1
Inspect the front axle and U-joints. Lubricate any grease fittings. Four-wheel drive
vehicles.
Inspect the steering linkage, ball joints, suspension, tie-rod ends, driveshaft and the U-
joints. Lubricate any grease fittings.
1
Do not exceed one year/10,000 mi (16,000 km) or 350 engine hours between service
intervals.
2
Reset the Intelligent Oil-Life Monitor after engine oil and filter changes.
3
Reset the engine air filter information monitor after you replace the air filter.
4
Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear.
Brake Fluid Maintenance
1
Change the brake fluid.
2
Every three years
1
Perform this maintenance item every three years. Do not exceed the designated time
for the interval.
2
Brake fluid servicing requires special equipment available at your authorized dealer.
Other Maintenance items
1
Replace the cabin air filter.Every 20,000 mi
(32,000 km)
Replace the engine air filter.
2
Every 30,000 mi
(48,000 km)
Replace the engine-mounted and frame-mounted fuel filters.
Inspect the engine and secondary cooling system coolant
concentration freeze-point protection, additive corrosion
inhibitor strength, coolant level, and hoses. Add coolant
additive if necessary.
Replace the engine air inlet foam filter.Every 50,000 mi
(80,467 km)
Replace the front wheel bearing grease and grease seal if
using non-sealed bearings. Two-wheel drive vehicles.
Every 60,000 mi
(96,000 km)
Inspect the accessory drive belt or belts.
3
At 90,000 mi
(144,000 km)
561
Super Duty (TFE), enUSA, Edition date: 201909, Third-Printing-
Scheduled Maintenance
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