
Using Biodiesel, up to and Including 20% Biodiesel (B20)
Change the engine oil and filter as indicated by the instru-ment cluster display, and perform the services listed in thescheduled maintenance chart.
As required
Replace the engine-mounted and frame-mounted fuelfilters.Every 15,000 mi(24,000 km), six months or300 engine hours
Using Fuel Other Than Ultra-low Sulfur Diesel Fuel - Vehicles Operated Where Ultra-lowSulfur Diesel Fuel is not Required or Available
Change engine oil and filter.Every 2,500 mi (4,000 km)or three months (if usinghigh sulfur fuel with morethan 500 ppm sulfur)
Change engine oil and filter.Every 5,000 mi (8,000 km)or six months (if using highsulfur fuel with fewer than500 ppm sulfur)
Exceptions
Axle and Transfer Case Maintenance
Axle(s) and transfer case (4X4 only) fluidchanges or level checks are not requiredunless a leak is suspected or the assemblyhas been submerged in water. During longperiods of trailer towing with outsidetemperatures above 70°F (21°C) or atwide-open throttle for long periods above45 mph (72 km/h), change the rear axlefluid every 30,000 mi (48,000 km) if therear axle is filled with non-synthetic fluid.This interval can be waived and the150,000 mi (240,000 km) service intervalcan continue if the rear axle is filled with75W140 synthetic gear fluid meeting Ford
specification WSL-M2C192-A, part numberXY-75W140-QL, or equivalent. Add frictionmodifier XL-3 (EST-M2C118-A) orequivalent for a complete refill ofTraction-Lok rear axles. See Capacitiesand Specifications (page 520).
Additional Axle Maintenance for DualRear Wheels
Change rear axle fluid every 250,000 mi(400,000 km) under normal drivingconditions on all commercial applications.When operating your vehicle at or nearmaximum gross vehicle weights, changethe rear axle fluid every 60,000 mi(96,000 km). In addition, follow this60,000 mi (96,000 km) schedule whenoperating your vehicle under the specialoperating conditions where noted.
607
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMScheduled Maintenance

California Fuel Filter Replacement
If you register your vehicle in California, theCalifornia Air Resources Board hasdetermined that the failure to perform thismaintenance item does not nullify theemission warranty or limit recall liabilitybefore the completion of your vehicle'suseful life. Ford Motor Company, however,urges you to have all recommendedmaintenance services performed at thespecified intervals and to record all vehicleservice.
Hot Climate Oil Change Intervals
Vehicles operating in the Middle East,North Africa, Sub-Saharan Africa orlocations with similar climates using anAmerican Petroleum Institute (API)Certified for Gasoline Engines (Certificationmark) oil of SM or SN quality, the normaloil change interval is 3,000 mi (5,000 km).
If the available API SM or SN oils are notavailable, then the oil change interval is2,000 mi (3,000 km).
Engine Air Filter and Cabin Air FilterReplacement
The life of the engine air filter and cabin airfilter is dependent on exposure to dustyand dirty conditions. Vehicles operated inthese conditions require frequentinspection and replacement of the engineair filter and cabin air filter.
Diesel Particulate Filter
Over time, a slight amount of ash buildsup in the diesel particulate filter, which isnot removed during the regenerationprocess. The filter may need to be replacedwith a new or remanufactured part atapproximately 250,000 mi (400,000 km).Actual mileage varies depending on engineand vehicle operating conditions.
In this case, the engine control system setsa service light (wrench icon) to inform youto bring your vehicle to the dealer forservice. If there are any issues with theoxidation catalyst or particulate filtersystem, a service light (wrench or engineicon) sets by the engine control system toinform you to bring your vehicle into adealer for service.
SPECIAL OPERATING
CONDITIONS SCHEDULED
MAINTENANCE - GASOLINE
If you operate your vehicle primarily in anyof the following conditions, you need toperform extra maintenance as indicated.If you operate your vehicle occasionallyunder any of these conditions, it is notnecessary to perform the extramaintenance. For specificrecommendations, see your dealershipservice advisor or technician.
Towing a Trailer or Using a Car-top Carrier
Inspect and lubricate U-joints if equipped with greasefittings.Inspect frequently, serviceas required
See axle maintenance items under Exceptions.
Inspect the wheels and related components for abnormalnoise, wear, looseness or drag.Every 5,000 mi (8,000 km)
Rotate tires, inspect tires for wear and measure tread
depth.1
608
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMScheduled Maintenance

Towing a Trailer or Using a Car-top Carrier
Change engine oil and filter.Every 5,000 mi (8,000 km)or six months.Inspect and lubricate U-joints if equipped with greasefittings.
Replace front wheel bearing grease and grease seals ifnon-sealed bearings are used.Every 30,000 mi(48,000 km)
Change transfer case fluid (Four-wheel drive vehicles).Every 60,000 mi(96,000 km)Replace spark plugs.
1 Rotate the front wheels on vehicles with dual rear wheels when specified. Rotate therear wheels if unusual wear is noted.
Extensive Idling or Low-speed Driving for Long Distances, as in Heavy Commercial Use(Such as Delivery, Taxi, Patrol Car or Livery)Short Trips that do not allow the engine to get to operating temperature causing fueldilution and an increase of the engine oil level
Replace engine air filter.Inspect frequently, serviceas requiredReplace cabin air filter.
Inspect brake system.Every 5,000 mi (8,000 km)
Inspect wheels and related components for abnormalnoise, wear, looseness or drag.
Lubricate control arm and steering ball joints if equippedwith grease fittings.
Rotate tires, inspect tires for wear and measure tread
depth.1
Inspect and lubricate U-joints if equipped with greasefittings.Every 5,000 mi (8,000 km)or six months
Change engine oil and filter.Every 5,000 mi (8,000 km)or six months or 200 enginehours.
609
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMScheduled Maintenance

Off-road operation
Inspect the wheels and related components for abnormalnoise, wear, looseness or drag.
Rotate tires, inspect tires for wear and measure tread
depth.1
Replace front wheel bearing grease and grease seals ifnon-sealed bearings are used.Every 30,000 mi(48,000 km)
1 Rotate the front wheels on vehicles with dual rear wheels when specified. Rotate therear wheels if unusual wear is noted.
Exclusive use of E85 (Flex Fuel Vehicles Only)
If ran exclusively on E85, fill the fuel tank full with regularunleaded fuel.Every oil change interval
Exceptions
Axle and Transfer Case Maintenance
Axle(s) and transfer case (4X4 only) fluidchanges or level checks are not requiredunless a leak is suspected or the assemblyhas been submerged in water. During longperiods of trailer towing with outsidetemperatures above 70°F (21°C) or atwide-open throttle for long periods above45 mph (72 km/h), change the rear axlefluid every 30,000 mi (48,000 km) if therear axle is filled with non-synthetic fluid.This interval can be waived and the150,000 mi (240,000 km) service intervalcan continue if the rear axle is filled with75W140 synthetic gear fluid meeting Fordspecification WSL-M2C192-A, part numberXY-75W140-QL, or equivalent. Add frictionmodifier XL-3 (EST-M2C118-A) orequivalent for complete refill ofTraction-Lok rear axles. See Capacitiesand Specifications (page 520).
Additional Axle Maintenance for DualRear Wheels
Change rear axle fluid every 250,000 mi(400,000 km) under normal drivingconditions on all commercial applications.When operating your vehicle at or nearmaximum gross vehicle weights, changethe rear axle fluid every 60,000 mi(96,000 km). In addition, follow this60,000 mi (96,000 km) schedule whenoperating your vehicle under the specialoperating conditions where noted.
California Fuel Filter Replacement
If you register your vehicle in California, theCalifornia Air Resources Board hasdetermined that the failure to perform thismaintenance item does not nullify theemission warranty or limit recall liabilitybefore the completion of your vehicle'suseful life. Ford Motor Company, however,urges you to have all recommendedmaintenance services performed at thespecified intervals and to record all vehicleservice.
611
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMScheduled Maintenance

Checking the Coolant Level..........................450Coolant – Information Messages................453Coolant – Warning Lamps.............................452Managing the Coolant Temperature..........452Cooling System Capacity andSpecification - 6.7L Diesel.....................532Cooling System Capacity andSpecification - 6.8L, Gasoline..............533Cooling System Capacity andSpecification - 7.3L, Gasoline...............534Crash and BreakdownInformation.................................................420Automatic Crash Shutoff................................423Fail-Safe Cooling...............................................425Jump Starting the Vehicle...............................421Post-Crash Alert System................................423Recovery Towing................................................423Crash Sensors and Airbag Indicator.......65Creating a Personal Profile.......................577Creating a Vehicle Wi-Fi Hotspot...........551Cross Traffic Alert........................................335Cross Traffic Alert –Troubleshooting.............................................337Cross Traffic Alert Indicators....................337Cross Traffic Alert Limitations................335Cross Traffic Alert Precautions...............335Cross Traffic Alert –Troubleshooting........................................337Cross Traffic Alert – InformationMessages..........................................................337Cross Traffic Braking...................................262Cross Traffic Braking –Troubleshooting............................................263Cross Traffic Braking Indicators.............263Cross Traffic Braking Precautions.........262Cross Traffic Braking –Troubleshooting........................................263Cross Traffic Braking – Frequently AskedQuestions........................................................264Cross Traffic Braking – InformationMessages.........................................................263Cruise Control...............................................294Cruise Control Indicators..........................295Cup Holders....................................................197Cup Holder Precautions...................................197Customer Information...............................623Radio Frequency CertificationLabels...............................................................626
Customizing the Instrument ClusterDisplay - Vehicles With: 12 InchScreen............................................................144Customizing the Instrument ClusterDisplay - Vehicles With: 8 InchScreen............................................................144
D
Data Privacy.....................................................26Deleting a Personal Profile.......................578Department of Transportation UniformTire Quality Grades..................................478Diesel Engine Exhaust Brake...................256Diesel Engine Exhaust Brake –Troubleshooting.............................................257Diesel Engine Exhaust BrakeGauge.............................................................257Diesel Engine Exhaust BrakeIndicators......................................................257Diesel Engine Exhaust Brake –Precautions.................................................256Diesel Engine Exhaust Brake –Troubleshooting.........................................257Diesel Engine Exhaust Brake – WarningLamps................................................................257Diesel Engine Exhaust BrakeVideos............................................................257Diesel Exhaust Fluid Capacity andSpecification..............................................230Diesel Exhaust Fluid Gauge......................138Diesel Particulate Filter...............................221Diesel Particulate Filter ManualRegeneration...................................................222Diesel Particulate Filter –Troubleshooting............................................224Diesel Particulate Filter ManualRegeneration...............................................222Diesel Particulate Filter ManualRegeneration Limitations...........................223Diesel Particulate Filter ManualRegeneration Precautions.........................222Diesel Particulate Filter ManualRegeneration Requirements.....................222Starting Diesel Particulate Filter ManualRegeneration...................................................223What Is Diesel Particulate Filter ManualRegeneration...................................................222
712
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMIndex

Diesel Particulate FilterPrecautions..................................................221Diesel Particulate FilterRequirements.............................................222Diesel Particulate Filter –Troubleshooting........................................224Diesel Particulate Filter – InformationMessages.........................................................224Diesel Particulate Filter – WarningLamps...............................................................224Digital Radio..................................................556Digital Radio Indicators....................................557Digital Radio Limitations................................556How Does Digital Radio Work......................556Switching Digital Radio Reception On andOff.......................................................................557What Is Digital Radio.......................................556Dinghy TowSee: Recreationally Towing Your Vehicle -4x2......................................................................429See: Recreationally Towing Your Vehicle -4x4......................................................................427Directing the Flow of Air.............................154Disposing of Airbags.....................................66Distance Alert................................................342Adjusting the Sensitivity of DistanceAlert....................................................................342What Is Distance Alert.....................................342Distance Indication......................................341Distance Indication Indicator........................342Switching Distance Indication On andOff.......................................................................342What Is Distance Indication............................341Doors and Locks Audible Warnings........82Doors and Locks..............................................81Autolock...................................................................82Autounlock.............................................................82Doors and Locks – Troubleshooting.............83Mislock.....................................................................82Operating the Doors From Inside YourVehicle..................................................................81Operating the Doors From Outside YourVehicle..................................................................81Doors and Locks –Troubleshooting..........................................83Doors and Locks – Frequently AskedQuestions...........................................................84
Doors and Locks – InformationMessages...........................................................83Doors and Locks – Warning Lamps..............83Draining the Fuel Filter WaterTrap................................................................447Drive Belt Routing Overview - 6.7L Diesel,Vehicles With: 110-120V 2kW PickupBed Power Outlet/DualGenerators..................................................453Drive Belt Routing Overview - 6.7L Diesel,Vehicles With: Dual Generators..........454Drive Belt Routing Overview - 6.7L Diesel,Vehicles With: Single Generator.........454Drive Belt Routing Overview - 6.8L,Gasoline, Vehicles With: DualGenerators..................................................454Drive Belt Routing Overview - 6.8L,Gasoline, Vehicles With: SingleGenerator.....................................................455Drive Belt Routing Overview - 7.3L,Gasoline, Vehicles With: DualGenerators..................................................455Drive Belt Routing Overview - 7.3L,Gasoline, Vehicles With: SingleGenerator....................................................456Drive Mode Control.......................................311Drive Mode Control –Troubleshooting.............................................314Drive Modes..........................................................312Drive Mode Control –Troubleshooting.........................................314Drive Mode Control – Frequently AskedQuestions..........................................................315Drive Mode Control – InformationMessages..........................................................314Drive Mode Control – WarningLamps................................................................314Drive Modes....................................................312Eco............................................................................312Normal....................................................................312Off-Road................................................................312Rock Crawl.............................................................312Slippery...................................................................313Tow/Haul...............................................................313Trail...........................................................................314Driver Alert.....................................................346Driver Alert – Troubleshooting......................347Driver Alert Limitations.............................346
713
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMIndex

Driver Alert Precautions............................346Driver Alert – Troubleshooting................347Driver Alert – Information Messages..........347Driving Economically..................................416Driving Hints....................................................412Driving in Special Conditions.........................416Off-Road Driving.................................................412Driving in Special Conditions...................416Driving Through Mud and Water...................416Driving on Snow and Ice............................416
E
Easy Entry and Exit.......................................90Electric Parking Brake AudibleWarning........................................................254Electric Parking Brake................................253Electric Parking Brake –Troubleshooting............................................254Electric Parking Brake –Troubleshooting........................................254Electric Parking Brake – InformationMessages.........................................................255Electric Parking Brake – WarningLamps...............................................................254Electromagnetic Compatibility..............703Electronic Locking Differential................245Electronic Locking Differential –Troubleshooting............................................248Electronic Locking DifferentialIndicators......................................................247Electronic Locking DifferentialPrecautions.................................................245Electronic Locking Differential –Troubleshooting........................................248Electronic Locking Differential –Information Messages................................248Emergency Call Limitations.......................68Emergency Call Requirements..................67Emergency Call System Data....................29Emergency Towing......................................429Emission Law................................................700Enabling Apps on an AndroidDevice............................................................575Enabling Apps on an iOS Device............575Enabling or Disabling PersonalProfiles...........................................................577Enabling Remote Start...............................149
End User License Agreement..................675Engine Air Filter............................................445Changing the Engine Air Filter......................445Engine Air Filter - InformationMessages.........................................................447Resetting the Air Filter Reminder................446Engine Block Heater...................................205Engine Block Heater Precautions................205How Does the Engine Block HeaterWork..................................................................206Using the Engine Block Heater.....................206Engine Coolant TemperatureGauge.............................................................138Engine Oil Capacity and Specification -6.7L Diesel...................................................526Engine Oil Capacity and Specification -6.8L, Gasoline............................................528Engine Oil Capacity and Specification -7.3L, Gasoline.............................................530Engine Oil.......................................................444Adding Engine Oil..............................................444Checking the Engine Oil Level......................444Engine Oil Capacity andSpecification..................................................445Engine Oil Dipstick Overview........................444Intelligent Oil Life Monitor..............................445Resetting the Intelligent Oil LifeMonitor.............................................................445Engine Oil Pressure Gauge........................138Engine Oil Temperature Gauge...............138Engine Specifications - 6.7LDiesel............................................................520Engine Specifications - 6.8L,Gasoline.........................................................521Engine Specifications - 7.3L,Gasoline........................................................522Environment....................................................30Evasive Steering Assist..............................343Evasive Steering Assist Limitations............343Switching Evasive Steering Assist On andOff.......................................................................343What Is Evasive Steering Assist...................343Event Data.........................................................27Exit Warning...................................................332Exit Warning - Troubleshooting....................334Exit Warning Indicators..............................333Exit Warning Limitations...........................332Exit Warning Precautions..........................332
714
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMIndex

Exit Warning - Troubleshooting.............334Exit Warning - InformationMessages.........................................................334Export Unique Options...............................701Extending the Exterior Mirrors..................133Extending the Remote StartDuration........................................................150Exterior Bulbs.................................................461Changing a Front Fog Lamp Bulb...............465Changing a Front Turn Signal LampBulb...................................................................464Changing a Headlamp Bulb..........................463Changing a High Mounted StoplampBulb....................................................................467Changing a License Plate Lamp Bulb........467Changing a Rear Lamp Bulb.........................465Changing a Rear Turn Signal LampBulb...................................................................466Changing a Reversing Lamp Bulb...............467Changing a Stoplamp Bulb...........................466Exterior Bulb Specification Chart.................461Removing a Rear Lamp Assembly..............463Exterior Lamps...............................................118Exterior Lamps On Audible Warning............121How Do Cornering Lamps Work....................119Switching the Cargo Lamps On....................120Switching the Daytime Running Lamps Onand Off................................................................119Switching the Spot Lamps On andOff.......................................................................120Switching Welcome Lighting On andOff.........................................................................121Using the Front Fog Lamps............................120Using the Turn Signal Lamps..........................118Exterior Lighting Control..............................117Exterior Lighting..............................................117Adaptive Front Lighting....................................124Autolamps..............................................................118Automatic High Beam Control.......................122Automatic High Beam Control –Troubleshooting.............................................124Exterior Lamps.....................................................118Exterior Zone Lighting........................................121Headlamps.............................................................117Headlamps – Troubleshooting.......................117Exterior Lighting Videos..............................125Exterior Mirrors...............................................132Exterior Mirrors Videos................................133
Exterior Zone Lighting..................................121Exterior Zone Lighting Settings.....................122Using the Exterior Zone Lighting....................121What Is Exterior Zone Lighting........................121
F
Fail-Safe Cooling.........................................425Driving When Fail-Safe Mode IsActivated..........................................................425Fail-Safe Cooling Indicators..........................426How Does Fail-Safe Cooling Work..............425What Is Fail-Safe Cooling...............................425Fastening and Unfastening theSeatbelts.........................................................51Feature Bar....................................................564Federal Highway AdministrationRegulation....................................................674Filling the Selective Catalytic ReductionSystem Tank...............................................228Filling the Selective Catalytic ReductionSystem Tank in Cold Weather..................228Filling the Selective Catalytic ReductionSystem Tank Using a Fuel StationPump.................................................................229Filling the Selective Catalytic ReductionSystem Tank Using a PortableContainer.........................................................229Flat TireSee: Changing a Flat Tire...............................509Flat TowSee: Recreationally Towing Your Vehicle -4x2......................................................................429See: Recreationally Towing Your Vehicle -4x4......................................................................427Floor Mats........................................................417Folding the Exterior Mirrors - VehiclesWith: Manual Folding Mirrors................132Folding the Exterior Mirrors - VehiclesWith: Power Folding Mirrors...................132Foot PedalsSee: Adjusting the Pedals.................................112Ford Assistant..............................................565Ford Assistant – Frequently AskedQuestions........................................................565Ford Assistant Settings...................................565Using Ford Assistant........................................565Ford Protect..................................................589
715
2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMIndex