2021 FORD SUPER DUTY maintenance reset

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)
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Scheduled Maintenance

Other Maintenance items
1
Change the automatic transmission fluid and filter. Consult
dealer for requirements.
Every 150,000 mi
(240,000 km) Replace the accessory drive belt or belts if not replaced
within the last 100,000 mi (160,000 km)
Replace the front wheel bearings and seals if using non-
sealed bearings. Two-wheel drive vehicles.
Change the axle(s) fluid. See exceptions.
Change the transfer case fluid, if equipped.
Change the engine and secondary cooling system coolant. 4
At
200,000 mi
(320,000 km)
1 You can perform these maintenance items within
3,000 mi (4,800 km) of the last oil
change. Do not exceed the designated distance for the interval.
2 Reset the engine air filter information monitor after you replace the air filter.
3 Perform follow-up inspections every 15,000 mi (24,000 km) after the initial inspection.
Replace the belt or belts at
150,000 mi (240,000 km).
4 Initial replacement at 10 years or 200,000 mi (320,000 km), then every 5 years or
100,000 mi (160,000 km).
SPECIAL OPERATING
CONDITIONS SCHEDULED
MAINTENANCE
Gasoline Engine
If you operate your vehicle primarily in any
of the following conditions, you need to
perform extra maintenance as indicated.
If you operate your vehicle occasionally
under any of these conditions, it is not
necessary to perform the extra
maintenance. For specific
recommendations, see your dealership
service advisor or technician.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Scheduled Maintenance

Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)
Change the engine oil and filter. 2
Every 7,500 mi (12,000 km),
six months or 300 engine
hours
Inspect and lubricate the U-joints.
Replace the engine-mounted and frame-mounted fuel
filters.
Every 15,000 mi
(24,000 km), 6 months or
600 engine hours
Replace the air inlet foam filter.
Every
30,000 mi
(48,000 km) Replace the wheel bearing grease and grease seals if using
non-sealed bearings. (Two-wheel drive vehicles)
1 Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels
only if unusual wear is noted.
2 Reset the Intelligent Oil-Life Monitor after engine oil and filter changes. Off-road Operation
Inspect functional holes in each leg of the twin exhaust
tips and the holes under the shield just inboard of the right
rear tire to make sure they are clean and clear of debris or
foreign materials. Refer to the Vehicle Care chapter of your
owner ’s manual for more information.
As required
Inspect the steering and suspension ball joints and tie rods.
Lubricate any grease fittings.
Rotate the tires, inspect the tires for wear and measure
tread depth.1
Every 7,000 mi (12,000 km),
six months or 300 engine
hours
Inspect the brake system pads and rotors.
Inspect the air filter restriction gauge. Replace the filter if
necessary.
Change the engine oil and filter. 2
Every 7,000 mi (12,000 km)
or 300 engine hours
Replace the engine-mounted and frame-mounted fuel
filters.
Every
15,000 mi
(24,000 km), six months or
600 engine hours
Replace the air inlet foam filter.
Every
30,000 mi
(48,000 km) Replace the wheel bearing grease and grease seals if using
non-sealed bearings. (Two-wheel drive vehicles).
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Scheduled Maintenance

Off-road Operation
Change the rear axle fluid (Dana rear axles only - some F-
350s; all F-450s and F-550s).
Every 50,000 mi
(80,000 km)
Change the transfer case fluid. (Four-wheel drive vehicles)
Inspect the front axle fluid. (Four-wheel drive vehicles)
1 Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels
only if unusual wear is noted.
2 Reset the Intelligent Oil-Life Monitor after engine oil and filter changes. Using Biodiesel, up to and Including 20% Biodiesel (B20)
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
As required
Replace the engine-mounted and frame-mounted fuel
filters.
Every
15,000 mi
(24,000 km), six months or
300 engine hours Using Fuel Other Than Ultra-low Sulfur Diesel Fuel - Vehicles Operated Where Ultra-low
Sulfur Diesel Fuel is not Required or Available
Change engine oil and filter.
Every
2,500 mi (4,000 km)
or three months (if using
high sulfur fuel with more
than 500 ppm sulfur)
Change engine oil and filter.
Every
5,000 mi (8,000 km)
or six months (if using high
sulfur fuel with fewer than
500 ppm sulfur)
Exceptions
Axle and Transfer Case Maintenance
Axle(s) and transfer case (4X4 only) fluid
changes or level checks are not required
unless a leak is suspected or the assembly
has been submerged in water. During long
periods of trailer towing with outside
temperatures above
70°F (21°C) or at wide-open throttle for long periods above
45 mph (72 km/h)
, change the rear axle
fluid every 30,000 mi (48,000 km) if the
rear axle is filled with non-synthetic fluid.
This interval can be waived and the
150,000 mi (240,000 km) service interval
can continue if the rear axle is filled with
75W140 synthetic gear fluid meeting Ford
582
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Scheduled Maintenance

Use of Inboard Lower Anchors from the
Outboard Seating Positions (Center
Seating Use) .................................................... 29
Using Lap and Shoulder Belts (Except Front Center Position of Super Cab and Crew
Cab)...................................................................... 24
Using Lap and Shoulder Belts (Front Center Position of Super Cab and Crew
Cab)...................................................................... 26
Using Lower Anchors and Tethers for CHildren (LATCH)........................................... 28
Using Tether Straps............................................ 30
Instrument Cluster.......................................102
Instrument Lighting Dimmer.....................88
Instrument Panel
...........................................20
Interior Air Quality........................................150
Interior Lamps
.................................................90
Front Interior Lamp............................................. 90
Rear Interior Lamps.............................................. 91
Interior Mirror
...................................................99
Auto-Dimming Mirror......................................... 99
Manual Dimming Mirror..................................... 99
Introduction........................................................9
J
Jump Starting the Vehicle.........................327 Connecting the Jumper Cables..................... 327
Jump Starting...................................................... 328
Preparing Your Vehicle..................................... 327
Removing the Jumper Cables....................... 328
K
Keyless Entry...................................................69 SECURICODE™ KEYLESS ENTRY
KEYPAD.............................................................. 69
Keyless Starting
.............................................175
Keys and Remote Controls.........................55
L
Lane Keeping System
.................................251
Switching the System On and Off...............252
System Display................................................... 252
System Settings................................................. 252
Troubleshooting................................................. 253Lighting Control
..............................................87
Flashing the Headlamp High Beam..............88
Headlamp High Beam........................................ 87
Lighting...............................................................87 General Information............................................ 87
Limited Slip Differential..............................221
Load Carrying
..................................................271
Load Carrying Precautions........................271
Locating the Cabin Air Filter.....................150
Locating the Safety Compliance Certification Labels
..................................272
Locking and Unlocking................................66 Activating Intelligent Access........................... 66
Autolock.................................................................. 68
Battery Saver......................................................... 68
Illuminated Entry.................................................. 68
Power Door Locks................................................ 66
Remote Control.................................................... 66
Smart Unlock......................................................... 67
Smart Unlocks for Intelligent Access Keys....................................................................... 67
Lug Nuts See: Changing a Road Wheel....................... 429
M
Maintenance
.................................................348
General Information......................................... 348
Manual Seats
.................................................153
Manual Lumbar .................................................. 154
Moving the Seat Backward and Forward............................................................. 154
Recline Adjustment........................................... 154
Memory Function..........................................157 Easy Entry and Exit Feature............................ 158
Linking a PreSet Position to your Remote Control or Intelligent Access Key Fob
........................................................................\
....... 157
Recalling a Preset Position.............................. 157
Saving a Preset Position................................... 157
Message Center See: Information Displays................................ 110
Mirrors See: Windows and Mirrors................................ 95
Mobile Communications Equipment.......17
Moonroof........................................................100 Bounce-Back
........................................................ 101
Opening and Closing the Moonroof...........100
655
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Index

Motorcraft Parts - 6.2L..............................443
Motorcraft Parts - 6.7L Diesel.................445
Motorcraft Parts - 7.3L..............................446
MyKey – Troubleshooting
...........................64
MyKey ™..............................................................61
Principle of Operation......................................... 61
N
Navigation......................................................535 Changing the Format of the Map................537
cityseeker.............................................................. 539
Michelin Travel Guide...................................... 540
Navigation Map Accuracy and Updates........................................................... 540
Route Guidance.................................................. 537
Setting a Destination....................................... 536
SiriusXM Traffic and Travel Link.................. 540
Zoom....................................................................... 537
Normal Scheduled Maintenance..........568 Diesel Engine........................................................ 571
Gasoline Engine.................................................. 570
Intelligent Oil-Life Monitor............................ 568
O
Off-Road Driving
...........................................317
After Off-Road Driving...................................... 319
Basic Off-road Driving Techniques..............318
Crossing Obstacles............................................ 319
Hill Climbing......................................................... 319
Oil Change Indicator Reset......................356
Oil Check See: Engine Oil Check - 6.2L.......................... 352
See: Engine Oil Check - 6.7L Diesel............354
See: Engine Oil Check - 7.3L.......................... 355
Opening and Closing the Hood
..............348
Ordering Additional Owner's Literature......................................................337
Obtaining a French Owner ’s Manual..........337
Overhead Console.........................................171
Overriding Automatic High Beam Control............................................................93
P
Parking Aids
...................................................234
Principle of Operation...................................... 234Parking Brake
.................................................225
Passive Anti-Theft System.........................76
SecuriLock®........................................................... 76
PATS See: Passive Anti-Theft System..................... 76
Perchlorate........................................................15
Phone...............................................................533 Android Auto....................................................... 535
Apple CarPlay..................................................... 535
Pairing Your Cell Phone for the First Time................................................................... 534
Text Messaging................................................... 534
Using Your Cell Phone..................................... 534
Pickup Bed Anchor Points.........................277 Installing and Removing the Pickup Bed
Tie-Down Cleats............................................ 277
Locating the Pickup Bed Anchor Points................................................................. 277
Pickup Bed Anchor Point Load Capacities........................................................ 278
Pickup Bed Anchor Point Precautions...................................................... 277
Pickup Bed
......................................................277
Pickup Bed Anchor Points............................... 277
Pickup Bed Ramps............................................ 279
Pickup Bed Ramps......................................279 Installing and Removing the Pickup Bed
Ramp Holder................................................... 279
Installing and Removing the Pickup Bed Ramps.............................................................. 280
Pickup Bed Ramp Precautions..................... 279
Storing the Pickup Bed Ramps..................... 281
Post-Crash Alert System..........................329
Power Door Locks See: Locking and Unlocking............................. 66
Power Running Boards
.................................78
Power Seats...................................................154
Adjusting the Lumbar Support...................... 155
Adjusting the Multi-Contour Front Seats With Active Motion ....................................... 155
Power Steering Fluid Check
.....................378
Power Take-Off.............................................212
Split Shaft Capability........................................ 212
Power Windows
.............................................95
Accessory Delay................................................... 96
Bounce-Back......................................................... 95
One-Touch Up or Down..................................... 95
Window Lock......................................................... 96
656
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Second-Printing Index