2021 FORD F-350 steering

Gasoline Engine
Normal Maintenance Intervals
10,000 mi (16,000 km) / 450 Engine Hours or 12 Months - Whichever Comes First
Change the engine oil and filter. 1
Rotate the tires, inspect tire wear and measure the tread depth. 2
Inspect the wheels and related components for abnormal noise, wear, looseness or
drag.
Perform multi-point inspection - recommended.
Inspect the brake pads, shoes, rotors, drums, brake linings, hoses and the parking brake.
Inspect the engine coolant concentration, freeze-point protection, level and the hoses.
Inspect the exhaust system and heat shields.
Inspect the front axle and U-joints. If applicable, lubricate the grease fittings. Four-wheel
drive vehicles.
Inspect the steering linkage, ball joints, suspension, tie-rod ends, driveshaft and the U-
joints. If applicable, lubricate the grease fittings.
1 Reset the Intelligent Oil-Life Monitor after engine oil and filter changes.
2 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.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance

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
(80,000 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, Third-Printing- Scheduled Maintenance

Towing a Trailer or Using a Car-top Carrier
Inspect and lubricate the U-joints grease fittings - if
applicable.
Inspect frequently, service
as required
See the axle maintenance items under Exceptions.
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Every
5,000 mi (8,000 km)
Rotate tires, inspect tires for wear and measure tread
depth.1
Change the engine oil and filter.
Every
5,000 mi (8,000 km)
or six months. Inspect and lubricate the U-joints grease fittings. - if
applicable.
Replace the front wheel bearing grease and grease seals
if you use non-sealed bearings.
Every
30,000 mi
(48,000 km)
Change the transfer case fluid, four-wheel drive vehicles.
Every
60,000 mi
(96,000 km) Replace the spark plugs.
1 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear. Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use
- Such as Delivery, Taxi, Patrol Car or Livery
Replace the engine air filter.
Inspect frequently, service
as required
Replace the cabin air filter.
Inspect the brake system.
Every
5,000 mi (8,000 km)
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Lubricate the control arm and steering ball joints grease
fittings - if applicable.
Rotate the tires, inspect tires for wear and measure the
tread depth.1
Inspect and lubricate the U-joints grease fittings - if
applicable.
Every
5,000 mi (8,000 km)
or six months
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance

Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use
- Such as Delivery, Taxi, Patrol Car or Livery
Change the engine oil and filter.
Every 5,000 mi (8,000 km)
or six months or 200 engine
hours.
Replace the front wheel bearing grease and grease seals
if you use non-sealed bearings.
Every
30,000 mi
(48,000 km)
Replace the spark plugs.
Every
60,000 mi
(96,000 km)
1 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear. Operating in Dusty or Sandy Conditions - Such as Unpaved or Dusty Roads
Replace engine air filter.
Inspect frequently, service
as required
Replace cabin air filter.
Inspect the wheels and related components for abnormal
noise, wear, looseness or drag.
Every
5,000 mi (8,000 km)
Rotate tires, inspect tires for wear and measure tread
depth.1
Change engine oil and filter.
Every
5,000 mi (8,000 km)
or six months Inspect and lubricate U-joints if equipped with grease
fittings.
Replace front wheel bearing grease and grease seals if
non-sealed bearings are used.
Every
30,000 mi
(48,000 km)
1 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear. Off-road operation
Inspect the steering linkage, ball joints and the U-joints,
Lubricate grease fittings - if applicable.
Inspect frequently, service
as required
Replace the engine air filter.
Change the engine oil and filter.
Every
5,000 mi (8,000 km)
or six months Replace the cabin air filter.
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Scheduled Maintenance

Sustained High-speed Driving at Gross Vehicle Weight Rating - Maximum Loaded Weight
for Vehicle Operation
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
600 engine hours
Replace the wheel bearing grease and grease seals if you
use non-sealed bearings. Two-wheel drive vehicles.
Every
30,000 mi
(48,000 km)
Flush and refill the coolant.
At
60,000 mi (96,000 km)
or 2400 engine hours
Note: After the initial coolant flush and fill at
60,000 mi (96,000 km) or 2400 engine
hours, flush and fill every 45,000 mi (72,000 km) or 1800 engine hours thereafter. Operating in Sustained Ambient Temperatures Below -9°F (-23°C) or Above 100°F (38°C)
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
600 engine hours
Replace the wheel bearing grease and grease seals if using
non-sealed bearings. Two-wheel drive vehicles.
Every
30,000 mi
(48,000 km) Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)
Rotate the tires, inspect the tires for wear and measure
tread depth.1
Every
7,500 mi (12,000 km)
Inspect the brake system pads and rotors.
Inspect the air filter restriction gauge. Replace the air filter
if necessary.2
Inspect the steering, suspension ball joints and the tie rods.
Lubricate any grease fittings.
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Operating in Dusty or Sandy Conditions (Such as Unpaved or Dusty Roads)
Change the engine oil and filter. 3
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 you
use non-sealed bearings. Two-wheel drive vehicles.
1 Rotate the front wheels on vehicles with dual rear wheels when specified. Only rotate
the rear wheels if you notice unusual wear.
2 Reset the engine air filter information monitor after you replace the air filter.
3 Reset the Intelligent Oil-Life Monitor after engine oil and filter changes. Off-road Operation
Inspect the 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, suspension ball joints and the tie rods.
Lubricate any grease fittings.
Rotate the tires, inspect the tires for wear and measure
the 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 air filter
if necessary.2
Change the engine oil and filter. 3
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)
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3
360 Degree Camera...................................238
Advanced Camera Views............................... 238
Auxiliary Camera................................................. 241
Bed View Camera.............................................. 240
Camera Views..................................................... 238
Front Camera...................................................... 239
Keep Out Zone.................................................... 239
Side Camera........................................................ 240
4
4WD See: Four-Wheel Drive...................................... 213
A
A/C See: Climate Control - Vehicles With:
Automatic Temperature Control.............143
See: Climate Control - Vehicles With: Manual Temperature Control.................................... 147
About This Manual...........................................9
ABS See: Brakes........................................................... 223
ABS driving hints See: Hints on Driving With Anti-Lock
Brakes................................................................ 225
Accessories....................................................558
Accessories See: Replacement Parts
Recommendation............................................ 16
ACC See: Using Adaptive Cruise Control............243
Adjustable Pedals.........................................84
Adjusting the Headlamps.........................381 Horizontal Aim Adjustment........................... 382
Vertical Aim Adjustment................................. 381
Adjusting the Pedals....................................84
Adjusting the Steering Wheel - Vehicles With: Manual Adjustable Steering
Column .............................................................
81
Adjusting the Steering Wheel - Vehicles With: Power Adjustable Steering
Column...........................................................80
End of Travel Position........................................ 80
Memory Feature................................................... 80Airbag Disposal...............................................54
Air Conditioning
See: Climate Control - Vehicles With:
Automatic Temperature Control.............143
See: Climate Control - Vehicles With: Manual Temperature Control.................................... 147
Air Conditioning System Capacity and Specification - 6.2L..................................459
Air Conditioning System Capacity and Specification - 6.7L Diesel....................460
Air Conditioning System Capacity and Specification - 7.3L...................................461
Air Filter See: Changing the Engine Air Filter -
6.2L
..................................................................... 357
See: Changing the Engine Air Filter - 6.7L Diesel ................................................................. 358
See: Changing the Engine Air Filter - 7.3L..................................................................... 360
Alarm See: Anti-Theft Alarm........................................ 76
Ambient Lighting
.............................................91
Adjusting the Brightness.................................... 91
Switching Ambient Lighting Off...................... 91
Switching Ambient Lighting On....................... 91
Anti-Theft Alarm
............................................76
Arming the Alarm.................................................. 77
Disarming the Alarm............................................ 77
Using the System................................................. 76
Appendices.....................................................618
Apps.................................................................540 SiriusXM Traffic and Travel Link................... 542
Using Apps on an Android Device................541
Using Apps on an iOS Device......................... 541
Using Mobile Navigation on an Android Device................................................................. 541
At a Glance.......................................................20
Audible Warnings and Indicators...........109 Headlamps On Warning Chime.................... 109
Key in Ignition Warning Chime...................... 109
Keyless Warning Alert....................................... 109
Parking Brake On Warning Chime...............109
Audio Control
...................................................81
You can operate the following functions
with the control:............................................... 81
Audio System
................................................479
General Information......................................... 479
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Switching Maximum Air Conditioning On
and Off.............................................................. 532
Switching Maximum Defrost On and Off....................................................................... 532
Switching Rear Auto Mode On and Off....................................................................... 533
Switching Recirculated Air On and Off....................................................................... 533
Switching the Air Conditioning On and Off........................................................................\
531
Switching the Climate Controlled Seats On and Off.............................................................. 532
Switching the Climate Control On and Off....................................................................... 532
Switching the Heated Exterior Mirrors On and Off.............................................................. 532
Switching the Heated Rear Window On and Off....................................................................... 532
Switching the Heated Seats On and Off....................................................................... 532
Switching the Heated Steering Wheel On and Off.............................................................. 532
Switching the Heated Windshield On and Off....................................................................... 532
Switching the Rear Climate Controlled Seats On and Off.......................................... 533
Switching the Rear Heated Seats On and Off....................................................................... 533
Switching the Rear Ventilated Seats On and Off.............................................................. 533
Switching the Ventilated Seats On and Off....................................................................... 533
Climate Control.............................................143 Auto Mode............................................................. 145
Climate Control – Troubleshooting.............146
Climate Control – Troubleshooting.........................................146
Climate Control – Frequently Asked
Questions......................................................... 146
Connected Vehicle
......................................474
Connecting the Vehicle to a Mobile
Network............................................................ 474
Connected Vehicle Limitations
...............474
Connected Vehicle Requirements.........474
Connected Vehicle – Troubleshooting - Vehicles With: Modem............................475
Connected Vehicle – Troubleshooting - Vehicles With: SYNC/SYNC 3..............476 Connecting the Vehicle to a Mobile
Network........................................................474
Connecting FordPass to the Modem..........474
Enabling and Disabling the Modem...........474
What Is the Modem.......................................... 474
Connecting the Vehicle to a Wi-Fi Network........................................................474
Coolant Check See: Engine Coolant Check - 6.2L...............364
See: Engine Coolant Check - 6.7L
Diesel................................................................ 368
See: Engine Coolant Check - 7.3L.................371
Cooling System Capacity and Specification - 6.2L..................................455
Cooling System Capacity and Specification - 6.7L Diesel....................456
Cooling System Capacity and Specification - 7.3L..................................456
Crash Sensors and Airbag Indicator........53
Creating a MyKey
............................................62
Programming or Changing Configurable
Settings............................................................... 63
Creating a Vehicle Wi-Fi Hotspot..........478 Connecting a Device to the Wi-Fi
Hotspot............................................................. 478
Finding the Wi-Fi Hotspot Name and Password......................................................... 478
Cross Traffic Alert........................................259 Cross Traffic Alert Behavior When Trailer
is Attached....................................................... 261
Cross Traffic Alert Indicator............................ 261
Cross Traffic Alert Information Messages.......................................................... 261
Cross Traffic Alert System Limitations...................................................... 260
Cross Traffic Alert System Sensors............260
Switching the System On and Off...............261
Using Cross Traffic Alert.................................. 259
Cruise Control................................................242
Cruise Control Indicators
..........................243
Cruise Control - Vehicles With: Adaptive Cruise Control
...............................................82
Cruise Control - Vehicles With: Cruise Control.............................................................82
Customer Assistance.................................332
Customer Information
...............................584
Radio Frequency Certification
Labels............................................................... 584
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Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 202008, Third-Printing- Index