2023 FORD SUPER DUTY check transmission fluid

Glasses Holder.............................................201
Starting and Stopping theEngine
Starting and Stopping the Engine –Precautions...............................................202
Ignition Switch.............................................202
Push Button Ignition Switch...................203
Starting the Engine....................................203
Engine Block Heater..................................205
Stopping the Engine.................................206
Idle Timer.......................................................207
Automatic Engine Stop...........................208
Accessing the Passive Key BackupPosition......................................................209
Starting and Stopping the Engine –Troubleshooting.....................................209
Starting and Stopping the Engine Videos.........................................................................213
Fuel and Refueling
Fuel and Refueling Precautions.............214
Fuel Quality....................................................214
Running Out of Fuel....................................217
Refueling.........................................................218
Fuel Tank Capacity....................................220
Fuel and Refueling – Troubleshooting........................................................................220
Diesel Particulate Filter
What Is the Diesel Particulate Filter......221
How Does the Diesel Particulate FilterWork..............................................................221
Diesel Particulate Filter Precautions.........................................................................221
Diesel Particulate Filter Requirements........................................................................222
Diesel Particulate Filter ManualRegeneration............................................222
Diesel Particulate Filter –Troubleshooting......................................224
Selective Catalytic ReductionSystem
What Is the Selective CatalyticReduction System..................................226
How Does the Selective CatalyticReduction System Work......................226
Selective Catalytic Reduction SystemPrecautions...............................................226
Selective Catalytic Reduction SystemRequirements..........................................228
Selective Catalytic Reduction SystemGuidelines..................................................228
Filling the Selective Catalytic ReductionSystem Tank.............................................228
Checking the Selective CatalyticReduction System Status...................230
Diesel Exhaust Fluid Capacity andSpecification............................................230
Selective Catalytic Reduction System –Troubleshooting......................................230
Catalytic Converter
What Is the Catalytic Converter............233
Catalytic Converter Precautions...........233
Catalytic Converter – Troubleshooting........................................................................233
Automatic Transmission
Automatic Transmission Precautions........................................................................234
Automatic Transmission Positions......234
Shifting Your Vehicle Into Gear..............235
Automatic Transmission PositionIndicators...................................................235
Manually Shifting Gears...........................235
Using Progressive Range Selection......236
Automatic Transmission AudibleWarnings....................................................236
Power Take-Off...........................................236
Four-Wheel Drive
How Does Four-Wheel Drive Work......238
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMTable of Contents

Wheel and Tire Information
Locating the Tire label..............................478
Department of Transportation UniformTire Quality Grades................................478
Information on the Tire Sidewall..........479
Glossary of Tire Terminology.................484
Tire Replacement Requirements.........485
Using Snow Chains....................................487
Tire Care
Checking the Tire Pressures..................490
Inflating the Tires.......................................490
Inspecting the Tire for Wear...................494
Inspecting the Tire for Damage............494
Inspecting the Wheel Valve Stems......498
Tire Rotation................................................498
Tire Pressure MonitoringSystem
What Is the Tire Pressure MonitoringSystem........................................................501
Tire Pressure Monitoring SystemOverview.....................................................501
Tire Pressure Monitoring SystemPrecautions..............................................502
Tire Pressure Monitoring SystemLimitations................................................502
Viewing the Tire Pressures.....................503
Resetting Tire Pressure MonitoringSystem.......................................................503
Tire Pressure Monitoring System –Troubleshooting.....................................506
Tire Pressure Monitoring System Videos.......................................................................508
Changing a Road Wheel
Changing a Flat Tire..................................509
Wheel Nuts....................................................519
Capacities and Specifications
Engine Specifications - 6.7L Diesel......520
Engine Specifications - 6.8L, Gasoline.........................................................................521
Engine Specifications - 7.3L, Gasoline........................................................................522
Motorcraft Parts - 6.7L Diesel................523
Motorcraft Parts - 6.8L, Gasoline.........524
Motorcraft Parts - 7.3L, Gasoline..........525
Engine Oil Capacity and Specification -6.7L Diesel.................................................526
Engine Oil Capacity and Specification -6.8L, Gasoline..........................................528
Engine Oil Capacity and Specification -7.3L, Gasoline...........................................530
Cooling System Capacity andSpecification - 6.7L Diesel...................532
Cooling System Capacity andSpecification - 6.8L, Gasoline............533
Cooling System Capacity andSpecification - 7.3L, Gasoline.............534
Fuel Tank Capacity - Diesel....................534
Fuel Tank Capacity - Gasoline...............535
Air Conditioning System Capacity andSpecification............................................536
Washer Fluid Specification.....................536
Diesel Exhaust Fluid Capacity andSpecification.............................................537
Automatic Transmission Fluid Capacityand Specification - Diesel...................538
Automatic Transmission Fluid Capacityand Specification - Gasoline.............538
Brake Fluid Specification.........................539
Transfer Case Fluid Capacity andSpecification............................................540
Front Axle Fluid Capacity andSpecification............................................540
Rear Axle Fluid Capacity andSpecification............................................542
Hydraulic Power Steering Fluid Capacityand Specification...................................546
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMTable of Contents

BRAKE PRECAUTIONS
Wet brakes result in reduced brakingefficiency. Gently press the brake pedal afew times when leaving a car wash ordriving from standing water to dry thebrakes.
Note:Depending on applicable laws andregulations in the country where your vehiclewas originally built, the stoplamps couldflash during heavy braking. The hazardwarning flashers could also turn on whenyour vehicle comes to a stop.
ANTI-LOCK BRAKING SYSTEM
ANTI-LOCK BRAKING SYSTEMLIMITATIONS
The anti-lock braking system does noteliminate the risk of crash when:
•You drive too closely to the vehicle infront of you.
•Your vehicle is hydroplaning.
•You take corners too fast.
•The road surface is poor.
Note: If the system activates, the brakepedal could pulse and travel further.Maintain pressure on the brake pedal.
BRAKE OVER ACCELERATOR
In the event the accelerator pedalbecomes stuck or entrapped, apply steadyand firm pressure to the brake pedal toslow the vehicle and reduce engine power.If you experience this condition, apply thebrakes and bring your vehicle to a safestop. Move the transmission to park (P),switch the engine off and apply the parkingbrake. Inspect the accelerator pedal forany interference. If none are found and thecondition persists, have your vehicle towedto the nearest authorized dealer.
LOCATING THE BRAKE FLUID
RESERVOIR
See Under Hood Overview (page 441).
CHECKING THE BRAKE FLUID
WARNING: Do not use any fluidother than the recommended brake fluidas this will reduce brake efficiency. Useof incorrect fluid could result in the lossof vehicle control, serious personal injuryor death.
WARNING: Only use brake fluidfrom a sealed container. Contaminationwith dirt, water, petroleum products orother materials may result in brakesystem damage or failure. Failure toadhere to this warning could result in theloss of vehicle control, serious personalinjury or death.
WARNING: Do not allow the fluidto touch your skin or eyes. If thishappens, rinse the affected areasimmediately with plenty of water andcontact your physician.
WARNING: The brake systemcould be affected if the brake fluid levelis below the MIN mark or above the MAXmark on the brake fluid reservoir.
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMBrakes

MAINTENANCE PRECAUTIONS
Service your vehicle regularly to helpmaintain its roadworthiness and resalevalue. There is a large network ofauthorized dealers that are there to helpyou with their professional servicingexpertise. We believe that their speciallytrained technicians are best qualified toservice your vehicle properly and expertly.They are supported by a wide range ofhighly specialized tools developedspecifically for servicing your vehicle.
If your vehicle requires professional service,an authorized dealer can provide thenecessary parts and service. Check yourwarranty information to find out whichparts and services are covered.
Use only recommended fuels, lubricants,fluids and service parts conforming tospecifications. See Capacities andSpecifications (page 520).
•Do not work on a hot engine.
•Make sure that nothing gets caught inmoving parts.
•Do not work on a vehicle with theengine running in an enclosed space,unless you are sure you have enoughventilation.
•Keep all open flames and other burningmaterial, such as cigarettes, away fromthe battery and all fuel related parts.
•Set the parking brake, shift thetransmission to park (P) and block thewheels.
OPENING AND CLOSING THE
HOOD
1.Inside the vehicle, pull the hood releasehandle located under the left hand sideof the instrument panel.
2.Go to the front of your vehicle andlocate the secondary release leverunder the front of the hood near thecenter of your vehicle.
3.Raise the hood until the lift cylindershold it open.
4.To close, lower the hood and makesure that it is closed properly and fullylatched.
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMMaintenance E166491 E190266

Check Every Six Months
The door weatherstrips for wear. Lubricate if necessary.
The hinges, latches and outside locks for proper operation. Lubricate if necessary.
The parking brake for proper operation.
The seatbelts and seat latches for wear and function.
Safety warning lamps, brake, ABS, airbag and seatbelt for operation.
The washer spray and wiper operation. Clean or replace blades as necessary.
Multi-Point Inspection
It is important to have the systems on yourvehicle regularly checked. This can helpidentify potential issues and prevent majorproblems. We recommend having thefollowing multi-point inspection performedat every scheduled maintenance intervalto help make sure your vehicle keepsrunning great.
Multi-Point Inspection
Hazard warning system operationAccessory drive belt or belts
Horn operationBattery performance
Radiator, cooler, heater and air conditioninghosesEngine air filter
Suspension components for leaks ordamageExhaust system
Steering and linkageExterior lamps operation
Tires including the spare for wear and
proper pressure2Fluid levels1; fill if necessary
Windshield for cracks, chips or pitsFor oil and fluid leaks
Washer spray and wiper operationHalfshaft dust boots
1 Brake, coolant recovery reservoir, automatic transmission and window washer.2If your vehicle has a temporary mobility kit, check the tire sealant expiration Use By dateon the canister. Replace as needed.
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMScheduled Maintenance

Multi-Point Inspection
Suspension components for leaks ordamageExhaust system
Steering and linkageExterior lamps operation
Tires including the spare for wear and
proper pressure2Fluid levels1; fill if necessary
Windshield for cracks, chips or pitsFor oil and fluid leaks
Washer spray and wiper operationHalfshaft dust boots
1 Brake, coolant recovery reservoir, automatic transmission and window washer.2If your vehicle has a temporary mobility kit, check the tire sealant expiration Use By dateon the canister. Replace as needed.
Be sure to ask your dealership serviceadvisor or technician about the multi-pointvehicle inspection. It is a comprehensiveway to perform a thorough inspection ofyour vehicle. Your checklist gives youimmediate feedback on the overallcondition of your vehicle.
NORMAL SCHEDULED
MAINTENANCE - DIESEL
Oil Change Reminder
Your vehicle comes with an oil changereminder that determines when you shouldchange the engine oil based on how youuse your vehicle.
Your vehicle lets you know when an oilchange is due by displaying a message inthe instrument cluster display.
The following table provides examples ofvehicle use and its impact on oil changeintervals. It is a guideline only. Actual oilchange intervals depend on several factorsand generally decrease with severity ofuse.
When to Expect the Message Prompting You to Change Your Oil
Vehicle Use and Examplemi (km)
Light
Up to 15,000 mi(24,000 km)
No towing.Primarily highway driving.Flat roads.Moderate temperatures.
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMScheduled Maintenance

Trailer Lighting Check................................363Trailer Reverse GuidancePrecautions.................................................401Trailer Reverse Guidance...........................401Setting Up Trailer Reverse Guidance for aConventional Trailer.....................................401Trailer Reverse Guidance –Troubleshooting............................................407Trailer Reverse Guidance –Troubleshooting........................................407Trailer Reverse Guidance – FrequentlyAsked Questions..........................................409Trailer Reverse Guidance – InformationMessages.........................................................407Trailer Sway Control Precautions...........377Trailer Sway Control....................................377Trailer Sway Control Videos.....................377Trailer Towing Hints....................................366Trailer Towing Navigation..........................581Trail Turn Assist Indicators........................275Trail Turn Assist Limitations.....................275Trail Turn Assist Precautions...................275Trail Turn Assist.............................................275Trail Turn Assist – Troubleshooting............276Trail Turn Assist –Troubleshooting........................................276Trail Turn Assist – Frequently AskedQuestions.........................................................276Trail Turn Assist – InformationMessages.........................................................276Transfer Case Fluid Capacity andSpecification...............................................242Transmission Fluid TemperatureGauge.............................................................138Transporting the Vehicle...........................424Trip Computer................................................146Trip Data..........................................................146Turbo Boost Gauge......................................138
U
Under Hood Fuse Box...............................430Accessing the Under Hood Fuse Box........430Identifying the Fuses in the Under HoodFuse Box............................................................431Locating the Under Hood Fuse Box...........430Under Hood Overview - 6.7L Diesel......441
Under Hood Overview - 6.8L,Gasoline.......................................................442Under Hood Overview - 7.3L,Gasoline.......................................................443Under Seat Storage.....................................198Locating the Under Seat StorageCompartment.................................................198USB Ports........................................................183USB Ports Videos.........................................184Using Alexa Built-In.....................................567Using a Slide-In Camper...........................352Using Auto Hold...........................................266Using Digital Key..............................................71Using Keyless Entry.......................................85Using Onboard Scales...............................384Using Progressive RangeSelection......................................................236Using Smart Hitch.......................................382Using Snow Chains.....................................487Using the Center Console WorkSurface..........................................................193Using the Diesel Engine ExhaustBrake.............................................................256Using the Instrument Cluster DisplayControls.........................................................143Using the Integrated Trailer BrakeController......................................................372Using the Key Cards......................................69Using the Keyless Entry Keypad...............88Using the Remote Control..........................69Using the Trailer Backup AssistanceController.....................................................392Using the Trailer Backup AssistanceViews.............................................................393Using This Publication..................................22Using Trailer Hitching Assistance..........379Using Trailer Reverse GuidanceViews............................................................405
V
Vehicle Care..................................................469Cleaning the Exterior........................................470Cleaning the Interior..........................................472Vehicle Care Videos....................................475Vehicle Identification Number................547Locating the Vehicle IdentificationNumber.............................................................547
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2023 Super Duty (TFH) Canada/United States of America, enUSA, Edition date: 202211, DOMIndex