2023 FORD SUPER DUTY engine

Your vehicle has limited engine powerwhen in the fail-safe mode, drive yourvehicle with caution. Your vehicle does notmaintain high-speed operation and theengine may operate poorly.
Remember that the engine is capable ofautomatically shutting down to preventengine damage. In this situation:
1.Pull off the road as soon as safelypossible and switch the engine off.
2.If you are a member of a roadsideassistance program, we recommendthat you contact your roadsideassistance service provider.
3.If this is not possible, wait for a shortperiod of time for the engine to cool.
4.Check the coolant level. If the coolantlevel is at or below the minimum mark,add prediluted coolant immediately.
5.When the engine temperature cools,you can re-start the engine. Have yourvehicle checked as soon as possible tominimize engine damage.
Note:Driving your vehicle without repairincreases the chance of engine damage.
FAIL-SAFE COOLING INDICATORS
If the engine begins to overheat,the coolant temperature gaugemoves toward the red zone.
A warning lamp illuminates anda message may appear in theinstrument cluster display.
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Note: If completed successfully, theinformation display shows Neutral TowEnabled Leave Transmission in Neutral.This indicates that your vehicle is safe totow with all wheels on the ground.
Note:If you do not see a confirmationmessage in the instrument cluster display,you must perform the procedure again fromthe beginning.
Note:You may hear noise as the transfercase shifts into its neutral position. This isnormal.
8.Release the brake pedal and leave thetransmission in neutral (N) and switchyour vehicle off by pressing the pushbutton ignition switch once withoutpressing the brake pedal or turning thekey as far toward the off position.
Note:Vehicles with keys do not turn to theoff position when the transmission is inneutral (N). You must leave the key in theignition when towing. Use the keyless entrykeypad or an extra set of keys to lock andunlock your vehicle.
Switching Neutral Tow Off
1.With your vehicle properly secured tothe tow vehicle, place your vehicle inaccessory mode by pressing the pushbutton ignition switch once withoutpressing the brake pedal or by turningthe ignition key to the on position.
2.Press and hold the brake pedal.
3.Shift the transmission to Park (P) andcontinue holding the brake pedal untilthe instrument cluster display shows2H and Neutral Tow Disabled.
4.Release the brake pedal.
Note:If completed successfully, theinstrument cluster displays 2H and NeutralTow Disabled.
Note:You must perform the switchingneutral tow on and switching neutral towoff procedures again from the beginning ifthe indicator light and message do notdisplay.
Note:You may hear a noise as the transfercase shifts out of its neutral position. Thisis normal.
5.Apply the parking brake, thendisconnect your vehicle from the towvehicle.
6.Release the parking brake, start theengine, and shift into drive (D) to makesure the transfer case is out of theneutral tow position.
7.If the transfer case does notsuccessfully shift out of its neutralposition, set the parking brake. Haveyour vehicle checked as soon aspossible.
Resolving the Shift Delayed PullForward Message
1.Press and hold the brake pedal.
2.Start your vehicle.
3.Shift into neutral (N).
4.With the vehicle running, shift into drive(D) and let the vehicle roll forward upto 3 ft (1 m).
Note:You may hear a noise as the transfercase shifts out of its neutral position. Thisis normal.
5.Make sure the instrument clusterdisplays Neutral Tow Disabled.
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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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UNDER HOOD OVERVIEW - 6.7L DIESEL
Battery. See Changing the 12V Battery (page 457).A
Under hood fuse box. See Accessing the Under Hood Fuse Box (page 430).B
Engine oil dipstick. See Engine Oil Dipstick Overview (page 444).C
Secondary fuel filter. See Changing the Fuel Filter (page 453).D
Engine oil filler cap. See Checking the Engine Oil Level (page 444).E
Engine cooling system coolant reservoir - primary high-temperature coolingsystem. See Checking the Coolant Level (page 450).F
Brake fluid reservoir. See Checking the Brake Fluid (page 249).G
Battery. See Changing the 12V Battery (page 457).H
Windshield washer fluid reservoir. See Adding Washer Fluid (page 115).I
Power steering fluid reservoir. See Checking the Hydraulic Power SteeringFluid (page 280).J
Secondary cooling system coolant reservoir. See Checking the Coolant Level(page 450).K
Air filter assembly. See Changing the Engine Air Filter (page 445).L
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UNDER HOOD OVERVIEW - 6.8L, GASOLINE
Engine compartment fuse box. See Locating the Under Hood Fuse Box (page430).A
Battery. See Changing the 12V Battery (page 457).B
Engine oil dipstick. See Engine Oil Dipstick Overview (page 444).C
Engine oil filler cap. See Checking the Engine Oil Level (page 444).D
Brake fluid reservoir. See Checking the Brake Fluid (page 249).E
Windshield washer fluid reservoir. See Adding Washer Fluid (page 115).F
Engine coolant reservoir. See Checking the Coolant Level (page 450).G
Power steering fluid reservoir. See Checking the Hydraulic Power SteeringFluid (page 280).H
Air cleaner assembly. See Changing the Engine Air Filter (page 445).I
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UNDER HOOD OVERVIEW - 7.3L, GASOLINE
Under hood fuse box. See Accessing the Under Hood Fuse Box (page 430).A
Battery. See Changing the 12V Battery (page 457).B
Engine oil dipstick. See Engine Oil Dipstick Overview (page 444).C
Engine oil filler cap. See Adding Engine Oil (page 444).D
Brake fluid reservoir. See Checking the Brake Fluid (page 249).E
Windshield washer fluid reservoir. See Adding Washer Fluid (page 115).F
Engine coolant reservoir. See Checking the Coolant Level (page 450).G
Power steering fluid reservoir. See Checking the Hydraulic Power SteeringFluid (page 280).H
Air cleaner assembly. See Changing the Engine Air Filter (page 445).I
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ENGINE OIL
ENGINE OIL DIPSTICK OVERVIEW- DIESEL
Minimum.A
Nominal.B
Maximum.C
ENGINE OIL DIPSTICK OVERVIEW- GASOLINE
Minimum.A
Nominal.B
Maximum.C
CHECKING THE ENGINE OIL LEVEL
1.Make sure that your vehicle is on levelground.
2.Check the oil level before starting theengine, or switch the engine off afterwarm up and wait 15 minutes for theoil to drain into the oil pan.
Note:Checking the oil level too soon couldresult in an inaccurate reading.
3.Remove the dipstick and wipe it witha clean, lint-free cloth.
4.Reinstall the dipstick and make sure itis fully seated.
5.Remove the dipstick again to check theoil level.
Note: If the oil level is between themaximum and minimum marks, the oil levelis acceptable. Do not add oil.
6.If the oil level is at the minimum mark,immediately add oil.
7.Reinstall the dipstick. Make sure it isfully seated.
Note:The oil consumption of new enginesreaches its normal level after approximately3,000 mi (5,000 km).
Note:Increases in oil level can occur fromfrequent short trips that do not allow theengine to get to operating temperature, aswell as frequent idling or low speed drivingfor long periods of time.
Note:If oil levels are continuously notedabove the maximum mark, have your vehiclechecked as soon as possible.
ADDING ENGINE OIL
WARNING: Do not remove the fillercap when the engine is running.
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WARNING: Do not add engine oilwhen the engine is hot. Failure to followthis instruction could result in personalinjury.
Do not use supplemental engine oiladditives because they are unnecessaryand could lead to engine damage that thevehicle warranty may not cover.
1.Clean the area surrounding the engineoil filler cap before you remove it.
2.Remove the engine oil filler cap.
3.Add engine oil that meets ourspecifications. See Capacities andSpecifications (page 520).
4.Reinstall the engine oil filler cap. Turnit clockwise until you feel a strongresistance.
Note: Do not add oil further than themaximum mark. Oil levels above themaximum mark may cause engine damage.
Note:Immediately soak up any oil spillagewith an absorbent cloth.
INTELLIGENT OIL LIFE MONITOR
Under certain conditions the vehicle’sintelligent oil life monitor may determineyour oil requires replacement prior to yourgeneral service. Should this occur it isrecommended you replace your oil withintwo weeks or 500 mi (800 km) of beingalerted.
Your authorized dealer will be able toadvise you whether only an engine oil andfilter change is recommended or whetheryou should complete your general serviceinclusive of oil and oil Filter.
RESETTING THE INTELLIGENT OILLIFE MONITOR
1.Press the Menu button on the steeringwheel to enter the instrument clusterdisplay main menu.
2.Select Vehicle Maintenance.
3.Select Oil Life.
4.Select Reset Oil Life.
5.Press and hold the OK button until thesystem reset confirmation appears.
ENGINE OIL CAPACITY ANDSPECIFICATION
For filling information, please refer to theCapacities and Specifications section ofyour owner's manual. See Capacities andSpecifications (page 520).
ENGINE AIR FILTER
CHANGING THE ENGINE AIRFILTER
WARNING: To reduce the risk ofvehicle damage and personal burninjuries, do not start your engine with theair cleaner removed and do not removeit while the engine is running.
Use the correct specification air filterelement. See Engine Air Filter (page 445).
Note: Failure to use the correct air filterelement may result in severe enginedamage. Resulting component damagemay not be covered by the vehicle Warranty.
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