2015 FORD SUPER DUTY tires

Extensive idling or low-speed driving for long distances, as in heavy commercial use(such as delivery, taxi, patrol car or livery)
Change transfer case fluid (Four-wheel drive vehicles).Every 30000 miles (48000km)Replace front wheel bearing grease and grease seals ifnon-sealed bearings are used.
Replace spark plugs.Every 60000 miles (96000km)
*Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheelsonly if unusual wear is noted.
Operating in dusty or sandy conditions (such as unpaved or dusty roads)
Replace engine air filter.Inspect frequently, serviceas required
Inspect the wheels and related components for abnormalnoise, wear, looseness or drag.Every 5000 miles (8000km)
Rotate tires*, inspect tires for wear and measure treaddepth.
Change engine oil and filter.Every 5000 miles (8000km) or six monthsInspect and lubricate U-joints.
Replace front wheel bearing grease and grease seals ifnon-sealed bearings are used.Every 30000 miles (48000km)
Change rear axle fluid (F-450 and F-550 only).Every 50000 miles (80000km)
Change transfer case fluid (Four-wheel drive vehicles).Every 60000 miles (96000km)
*Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheelsonly if unusual wear is noted.
446Super Duty (), enUSAScheduled Maintenance

Off-road operation
Inspect steering linkage, ball joints and U-joints, Lubricateif equipped with grease fittings.Inspect frequently, serviceas required
Replace engine air filter.
Change engine oil and filter.Every 5000 miles (8000km) or six monthsInspect the wheels and related components for abnormalnoise, wear, looseness or drag.
Rotate tires*, inspect tires for wear and measure treaddepth.
Replace front wheel bearing grease and grease seals ifnon-sealed bearings are used.Every 30000 miles (48000km)
Change rear axle fluid (F-450 and F-550 only).Every 50000 miles (80000km)
Change transfer case fluid (Four-wheel drive vehicles).Every 60000 miles (96000km)
*Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheelsonly 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
6.7L Diesel Engine
See the diesel supplement for specialoperating condition information.
Exceptions
There are several exceptions to the NormalSchedule:
Axle Maintenance
Change the axle fluid anytime an axle issubmerged in water.
Rear axles and power take-off units withsynthetic fluid and light-duty trucksequipped with Ford-design axles arelubricated for life; do not check or changefluid unless a leak is suspected, service isrequired or the assembly has beensubmerged in water. During long periodsof trailer towing with outside temperaturesabove 70°F (21°C) and at wide-openthrottle for long periods above 45 mph (72km/h), change non-synthetic rear axle fluidevery 3000 miles (4800 kilometers) orthree months, whichever comes first. Thisinterval can be waived if the axle is filledwith 75W140 synthetic gear fluid meeting
447Super Duty (), enUSAScheduled Maintenance

Special Notices................................................12New Vehicle Limited Warranty.........................12Special Instructions..............................................12Using your Vehicle as an Ambulance.............13Using your Vehicle as a Stationary PowerSource...................................................................13Using your Vehicle with a Snowplow.............12Special Operating Conditions ScheduledMaintenance..............................................4446.2L and 6.8L Gasoline Engines..................4446.7L Diesel Engine..............................................447Exceptions............................................................447Speed ControlSee: Cruise Control.............................................176Stability Control............................................167Principle of Operation.......................................167Starter SwitchSee: Ignition Switch............................................132Starting a Gasoline Engine........................133Cold Weather Starting (Flexible FuelVehicles Only).................................................133Failure to Start.....................................................133Guarding Against Exhaust Fumes................134Important Ventilating Information...............134Stopping the Engine When Your Vehicle isMoving................................................................133Stopping the Engine When Your Vehicle isStationary.........................................................133Starting and Stopping the Engine..........132General Information...........................................132Steering.............................................................177Steering Wheel...............................................60Storage Compartments..............................131SunroofSee: Moonroof.......................................................73Sun Visors..........................................................73Illuminated Vanity Mirror....................................73Slide-on-rod...........................................................73Supplementary Restraints System.........36Principle of Operation........................................36Symbols Glossary.............................................7
SYNC™ Applications andServices........................................................338911 Assist...............................................................338SYNC AppLink....................................................344SYNC Services: Traffic, Directions &Information (TDI) (If Equipped, UnitesStates Only).....................................................341Vehicle Health Report.....................................340SYNC™............................................................323General Information..........................................323SYNC™ Troubleshooting.........................353
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Tailgate.............................................................185Bed Extender........................................................187Tailgate Lock........................................................185Tailgate Removal................................................186Tailgate Step........................................................186Technical SpecificationsSee: Capacities and Specifications.............301Terrain Response..........................................170Principle of Operation.......................................170The Better Business Bureau (BBB) AutoLine Program (U.S. Only)........................219Tire Care..........................................................265Glossary of Tire Terminology........................266Information About Uniform Tire QualityGrading.............................................................265Information Contained on the TireSidewall............................................................267Temperature A B C............................................266Traction AA A B C..............................................265Treadwear............................................................265Tire Pressure Monitoring System...........282Changing Tires With a Tire PressureMonitoring System.......................................283Understanding Your Tire PressureMonitoring System ......................................284TiresSee: Wheels and Tires.....................................263Towing a Trailer.............................................189Load Placement.................................................189Towing Points...............................................205Towing the Vehicle on FourWheels..........................................................207Emergency Towing............................................207Recreational Towing.........................................207
464Super Duty (), enUSAIndex

Towing..............................................................189Traction Control............................................165Principle of Operation.......................................165Trailer Sway Control....................................190Transfer Case Fluid Check........................243Transmission Code Designation............304Transmission..................................................144TransmissionSee: Transmission..............................................144Transporting the Vehicle..........................206
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Under Hood Overview - 6.2L...................233Under Hood Overview - 6.8L..................234Universal Garage Door Opener.................121CAR2U® Home Automation System...........121HomeLink Wireless Control System............124USB Port...........................................................321Using Cruise Control....................................176Switching Cruise Control Off..........................176Switching Cruise Control On...........................176Using Four-Wheel Drive..............................1514WD Indicator Lights.........................................152Driving Off-Road With Truck and UtilityVehicles.............................................................155Electronic Shift-On-the-Fly (ESOF) 4WDsystem.................................................................151How Your Vehicle Differs From OtherVehicles.............................................................155Manual Shift On Stop (MSOS) 4WDsystem.................................................................151Using a Manual Shift On Stop (MSOS) 4wdsystem................................................................152Using the Electronic Shift on the Fly 4WDsystem...............................................................154Using Hill Descent Control........................170Hill descent modes............................................170Using MyKey With Remote StartSystems..........................................................52Using Snow Chains.....................................282Using Stability Control................................167AdvanceTrac® with Roll Stability Control™(RSC®)..............................................................167
Using SYNC™ With Your MediaPlayer............................................................345Accessing Your Play Menu.............................349Connecting Your Digital Media Player to theUSB Port..........................................................345Media Menu Features......................................348Media Voice Commands................................346System Settings..................................................351What's Playing?.................................................346Using SYNC™ With Your Phone.............327Accessing Features through the PhoneMenu...................................................................331Accessing Your Phone Settings....................334Making Calls........................................................330Pairing a Phone for the First Time...............328Pairing Subsequent Phones..........................328Phone Options during an Active Call.........330Phone Voice Commands................................328Receiving Calls...................................................330System Settings.................................................335Text Messaging...................................................333Using Traction Control................................165System Indicator Lights andMessages..........................................................166Using Voice Recognition...........................325Initiating a Voice Session................................325System Interaction and Feedback..............326Utilizing the Mediation/ArbitrationProgram (Canada Only).........................219
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Vehicle Care...................................................256General Information.........................................256Vehicle Certification Label.......................303Vehicle Identification Number................303Vehicle Storage.............................................261Battery...................................................................262Body.........................................................................261Brakes.....................................................................262Cooling system...................................................262Engine....................................................................262Fuel system..........................................................262General...................................................................261Miscellaneous.....................................................262Removing Vehicle From Storage.................262Tires........................................................................262
465Super Duty (), enUSAIndex

VentilationSee: Climate Control.........................................103VINSee: Vehicle Identification Number............303Voice Control....................................................61
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Warning Lamps and Indicators..................774X2............................................................................804X4 HIGH................................................................804X4 LOW................................................................80Anti-Lock Braking System.................................77Battery.......................................................................77Brake System..........................................................77Check Fuel Cap.....................................................78Cruise Control........................................................78Diesel Warning Lights........................................80Direction Indicator................................................78Door Ajar..................................................................78Electronic Locking Differential........................78Engine Coolant Temperature...........................78Engine Oil................................................................78Fasten Safety Belt................................................78Front Airbag............................................................78High Beam...............................................................78Hill Descent............................................................78Low Fuel Level.......................................................79Low Tire Pressure Warning...............................79Powertrain Malfunction/ReducedPower/Electronic Throttle Control............79Service Engine Soon............................................79Stability Control....................................................79Stability Control Off............................................79Transmission Tow/Haul....................................80Washer Fluid Check....................................244WashersSee: Cleaning the Exterior..............................256See: Wipers and Washers.................................64Waxing..............................................................257Wheel NutsSee: Changing a Road Wheel.......................288Wheels and Tires.........................................263General Information.........................................263Technical Specifications.................................299Windows and Mirrors...................................69Windshield Washers.....................................64
Windshield Wipers........................................64Speed dependent wipers.................................64Wipers and Washers.....................................64
466Super Duty (), enUSAIndex