Your vehicle has a fuel and water separatorthat recirculates fuel from the engine tohelp prevent fuel filter clogging. To avoidengine fuel starvation during cold weatheroperation of 32°F (0°C) or below, werecommend that the fuel level in your tankshould not drop below ¼ full. This helpsprevent air from entering the fuel systemand stalling the engine.
Your vehicle has a selective catalyticreduction system that uses Diesel ExhaustFluid (DEF) to operate properly. You needto replenish your vehicle’s DEF at certainintervals. When filling your vehicle’s DEFtank in cold weather, take special care toprevent damage to the tank. SeeSelective Catalytic Reduction System(page 188).
In cold weather below 32°F (0°C), theengine may slowly increase to a higher idlespeed if you leave it idling in park (P). Asthe engine warms-up, the engine soundlevel decreases due to the activation ofPCM-controlled sound reduction features.
If you operate your vehicle in a heavysnowstorm or blowing snow conditions,snow and ice can clog the engine airinduction. If this occurs, the engine mayexperience a significant reduction in poweroutput. At the earliest opportunity, clearall the snow and ice away from inside theair filter assembly. Remove the air cleanercover and the air filter and remove anysnow or ice. Remove any debris, snow orice, on the foam filter by brushing thesurface with a soft brush. Once you havecleared all of the debris, reinstall the airfilter and cover.
Do not use water, solvents, or a hard brushfor cleaning the foam filter.
WARNING
To reduce the risk of vehicle damageand personal burn injuries, do notstart your engine with the air cleanerremoved and do not remove it while theengine is running.
In order to operate the engine intemperatures of 32°F (0°C) or lower, readthe following instructions:
•Make sure that the batteries are ofsufficient size and are fully charged.Check other electrical components tomake sure they are in optimumcondition.
•Use the proper coolant solution at theconcentration recommendedprotecting the engine against damagefrom freezing.
•Try to keep the fuel tank full as muchas possible at the end of operation toprevent condensation in the fuelsystem.
•Make sure you use proper cold weatherengine oil and that it is at its properlevel. Also, if necessary, make sure tofollow the engine oil and filter changeschedule found under the Specialoperating conditions section listed inthe scheduled maintenanceinformation.
•At temperatures of -9°F (-23°C) orbelow, it is recommended that you usean engine block heater to improve coldengine starting.
•If operating in arctic temperatures of-20°F (-29°C) or lower, consult yourtruck dealer for information aboutspecial cold weather equipment andprecautions.
178
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Starting and Stopping the Engine
To help prolong engine life, werecommended you allow the engine to idlefor three to five minutes, especially afterany of the following:
•Continuous engine speed.
•High ambient temperature.
•High GVW or GCW operation, forexample heavy loads or trailers.
This allows the turbo charged engine tocool down.
ENGINE IDLE SHUTDOWN (If
Equipped)
Your vehicle may be equipped with anengine idle shutdown system. This systemautomatically shuts down your enginewhen it has been idling in P (Park) or N(Neutral) for five minutes (parking brakeset) or 15 minutes (parking brake not set).When the engine idle shutdown processhas started:
•A chime sounds and the informationdisplay will show ENGINE TURNS OFFIN 30 (seconds) and start countingdown
•You can restart the five or 15-minutetimer by changing the position of theaccelerator pedal, brake pedal or thepark brake within the final 30 seconds
•When the timer reaches zero, theengine shuts down and this messagewill appear in your information displayENGINE TURNED OFF
•One minute after the engine has shutdown, the electrical system simulateskey off, even though the ignition is stillin the on position, initiating normalaccessory delay period
•You must move the ignition to the offposition to reset the system beforerestarting your vehicle.
The engine idle shutdown idle timer doesnot start if:
•The engine is operating in powertake-off mode.
•The engine coolant temperature isbelow 60°F (16°C).
•The exhaust emission control device isregenerating.
ENGINE BLOCK HEATER (If
Equipped)
WARNINGS
Failure to follow engine block heaterinstructions could result in propertydamage or serious personal injury.
Do not use your heater withungrounded electrical systems ortwo-pronged adapters. There is a riskof electrical shock.
Note:The heater is most effective whenoutdoor temperatures are below 0°F(-18°C).
The heater acts as a starting aid bywarming the engine coolant. This allowsthe climate control system to respondquickly. The equipment includes a heaterelement (installed in the engine block) anda wire harness. You can connect thesystem to a grounded 120-volt ACelectrical source.
181
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Starting and Stopping the Engine
Switching Between E85 andGasoline
We do not recommend repeatedlyalternating between E85 and gasoline. Ifyou switch from using E85 to gasoline, orfrom gasoline to E85, add as much fuel aspossible, at least half a tank. Drive yourvehicle immediately for a minimum of 5 mi(8 km) to allow it to adapt to the changein ethanol concentration. If you use E85exclusively, we recommend that you fillthe fuel tank with regular unleadedgasoline at each scheduled oil change.
FUEL QUALITY - DIESEL
Fuel Requirements - Choosing TheRight Fuel: Vehicles OperatedWhere Ultra Low Sulfur Diesel FuelIs Required (UnitedStates/Canada/Puerto Rico/U.S.Virgin Islands And Other Locales)
You should use Ultra-Low Sulfur Dieselfuel (also known as ULSD) designated asnumber 1-D or 2-D with a maximum of15-ppm sulfur in your diesel vehicle. Youmay operate your vehicle on diesel fuelscontaining up to 20% biodiesel, alsoknown as B20. These fuels should meetthe ASTM D975 diesel or the ASTM D7467B6-B20 biodiesel industry specifications.Outside of North America, use fuelsmeeting EN590 or equivalent local marketstandard.
Note:The vehicle Warranty does not coverdamage caused by using an improper typeof fuel or fuel additive.
Note:Do not blend used engine oil withdiesel fuel under any circumstances.Blending used oil with the fuel willsignificantly increase your vehicle’s exhaustemissions and reduce engine life due toincreased internal wear.
Using low sulfur diesel fuel(16-500 ppm) or high sulfurdiesel fuel (greater than 500ppm) in your diesel engine will causecertain emission components tomalfunction which may also cause theservice engine soon light to illuminateindicating an emissions-related concern.
Diesel fuel is adjusted seasonally for coldtemperature. For best results attemperatures below 19°F (-7°C), it isrecommended to use a diesel fuel whichhas been seasonally adjusted for theambient conditions.
Fuel Requirements - Choosing TheRight Fuel: Vehicles OperatedWhere Ultra Low Sulfur Diesel FuelIs Not Required
For the engine to operate reliably onlow-sulfur or high-sulfur diesel fuel, theengine must be a factory built high-sulfurengine (available as a dealer order optionfor select markets) or an ultra low sulfurdiesel fuel configured engine that has beenretrofitted for high-sulfur diesel fuel usingFord Motor Company dealer service parts.Failure to use retrofit components otherthan those available through yourauthorized dealer will result in coolantsystem damage, engine overheating,selective catalyst reduction system ordiesel particulate filter damage andpossible base engine damage.
Use only a diesel engine configured for usewith high sulfur diesel fuel in markets withdiesel fuel that has sulfur content greaterthan 15 ppm. Using low sulfur diesel fuel(16–500 ppm) or high sulfur diesel fuel(greater than 500 ppm) in a diesel enginedesigned to use only Ultra Low SulfurDiesel fuel may result in damage to engineemission control devices and theaftertreatment system, potentiallyrendering the vehicle inoperable.
185
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Fuel and Refueling
Windshield washer fluid reservoir. See Washer Fluid Check (page 344).E.
Engine coolant reservoir. See Engine Coolant Check (page 332).F.
Power steering fluid reservoir. See Power Steering Fluid Check (page 344).G.
Engine oil filler cap. See Engine Oil Check (page 327).H.
Engine oil dipstick. See Engine Oil Dipstick (page 327).I.
Battery. See Changing the 12V Battery (page 346).J.
UNDER HOOD OVERVIEW - 6.7L DIESEL
F-Super Duty
Air filter restriction gauge. See Changing the Engine Air Filter (page 357).A.
Engine compartment fuse box. See Fuse Specification Chart (page 312).B.
Engine oil dipstick. See Engine Oil Dipstick (page 327).C.
Automatic transmission fluid dipstick. See Automatic Transmission FluidCheck (page 340).D.
Engine oil fill. See Engine Oil Check (page 328).E.
324
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
MaintenanceE234258
Brake fluid reservoir. See Brake Fluid Check (page 343).F.
Engine cooling system coolant reservoir (primary high-temperature coolingsystem). See Engine Coolant Check (page 336).G.
Battery. See Changing the 12V Battery (page 346).H.
Windshield washer fluid reservoir. See Washer Fluid Check (page 344).I.
Power steering fluid reservoir. See Power Steering Fluid Check (page 344).J.
Secondary cooling system coolant reservoir. See Engine Coolant Check (page336).K.
Battery. See Changing the 12V Battery (page 346).L.
Air filter assembly. See Changing the Engine Air Filter (page 357).M.
Scheduled Maintenance
The recommended scheduledmaintenance services are required becausethey are considered essential to the lifeand performance of your vehicle. SeeNormal Scheduled Maintenance (page576).
Use only recommended fuel, lubricants,fluids and service parts conforming to Fordspecifications. Motorcraft® parts aredesigned and built for best performancein your vehicle. See Capacities andSpecifications (page 427).
325
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Maintenance
UNDER HOOD OVERVIEW - 6.8L
Air filter. See Changing the Engine Air Filter (page 356).A.
Engine compartment fuse box. See Fuse Specification Chart (page 312).B.
Automatic transmission fluid dipstick. See Automatic Transmission FluidCheck (page 340).C.
Engine oil dipstick. See Engine Oil Dipstick (page 327).D.
Brake fluid reservoir. See Brake Fluid Check (page 343).E.
Windshield washer fluid reservoir. See Washer Fluid Check (page 344).F.
Engine coolant reservoir. See Engine Coolant Check (page 332).G.
Power steering fluid reservoir. See Power Steering Fluid Check (page 344).H.
Engine oil filler cap. See Engine Oil Check (page 327).I.
Battery. See Changing the 12V Battery (page 346).J.
326
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
MaintenanceABC
JFGI
ED
E222144
H
Action and descriptionMessage
Press and hold the OKbutton until the instrumentcluster displays thefollowing message.
Hold OK toReset
Reset Successful
When the oil change indic-ator resets the instrumentcluster displays 100%.
Remaining Life
{00}%
If the instrument clusterdisplays one of the followingmessages, repeat theprocess.
Not Reset
Reset Cancelled
ENGINE COOLANT CHECK -
6.2L/6.8L
WARNINGS
Do not add engine coolant when theengine is hot. Steam and scaldingliquids released from a hot coolingsystem can burn you badly. Also, spillingcoolant on hot engine parts can burn you.
Do not put engine coolant in thewindshield washer fluid container. Ifsprayed on the windshield, enginecoolant could make it difficult to seethrough the windshield.
To reduce the risk of personal injury,make sure the engine is cool beforeunscrewing the coolant pressurerelief cap. The cooling system is underpressure. Steam and hot liquid can comeout forcefully when you loosen the capslightly.
WARNINGS
Do not add coolant further than theMAX mark.
When the engine is cold, check theconcentration and level of the coolant atthe intervals listed in the scheduledmaintenance information. See ScheduledMaintenance (page 573).
Note:Make sure that the coolant level isbetween the MIN and MAX marks on thecoolant reservoir.
Note: Coolant expands when it is hot. Thelevel may extend beyond the MAX mark.
Maintain coolant concentration within48% to 50%, which equates to a freezepoint between -30°F (-34°C) and -34°F(-37°C). Coolant concentration should bechecked using a refractometer. Werecommend, Robinair® Coolant andBattery Refractometer 75240 (Rotundatool part number: ROB75240). We do notrecommend the use of hydrometers orcoolant test strips for measuring coolantconcentration.
Note:Automotive fluids are notinterchangeable. Do not use coolant orwindshield washer fluid outside of itsspecified function and vehicle location.
Note: Do not use stop leak pellets, coolingsystem sealants, or non-specified additivesas they can cause damage to the enginecooling or heating systems. Resultingcomponent damage may not be covered bythe vehicle Warranty.
Adding Coolant
WARNING
Never remove the coolant reservoircap while the engine is running or hot.
332
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Maintenance
It is very important to use predilutedcoolant meeting the correct specificationin order to avoid plugging the smallpassageways in the engine cooling system.See Capacities and Specifications(page 422). Incorrect prediluted coolantuse can cause damage not covered by thevehicle Warranty.
If the coolant level is at or below theminimum mark, add prediluted coolantimmediately.
To top up the coolant level do thefollowing:
1. Unscrew the cap slowly. Any pressureescapes as you unscrew the cap.
2. Add prediluted coolant meeting thecorrect specification. See Capacitiesand Specifications (page 415).
3. Add enough prediluted coolant toreach the correct level.
4.Replace the coolant reservoir cap, turnit clockwise until you feel a strongresistance.
5. Check the coolant level in the coolantreservoir the next few times you driveyour vehicle.
Note:During normal vehicle operation, thecoolant may change color from orange topink or light red. As long as the coolant isclear and uncontaminated, this color changedoes not indicate the coolant has degradednor does it require the coolant to be drained,the system to be flushed, or the coolant tobe replaced.
Do not mix different colors or types ofprediluted coolant in your vehicle. Mixingof prediluted coolant or using an incorrectprediluted coolant may harm the engineor cooling system components and maynot be covered by the vehicle Warranty.
In case of emergency, you can add a largeamount of water without predilutedcoolant in order to reach a vehicle servicelocation. On arrival do the following:
1. Drain the cooling system.
2. Chemically clean the cooling system.We recommend Motorcraft PremiumCooling System Flush.
3. Refill with prediluted coolant as soonas possible.
Water alone, without prediluted coolant,can cause engine damage from corrosion,overheating or freezing.
Do not use the following as a coolantsubstitute:
•Alcohol.
•Methanol.
•Brine.
•Any coolant mixed with alcohol ormethanol antifreeze.
Alcohol and other liquids can cause enginedamage from overheating or freezing.
Do not add extra inhibitors or additives tothe coolant. These can be harmful andcompromise the corrosion protection ofthe coolant.
Recycled Coolant
We do not recommend the use of recycledcoolant as an approved recycling processis not yet available.
Dispose of used engine coolant in anappropriate manner. Follow yourcommunity’s regulations and standardsfor recycling and disposing of automotivefluids.
333
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Maintenance