2015 FORD SUPER DUTY open gas tank

Do not crank the engine for more than 10seconds at a time as starter damage mayoccur. If the engine fails to start, turn thekey to off and wait 30 seconds beforetrying again.
Do not use starting fluid such as ether inthe air intake system. Such fluid couldcause immediate explosive damage to theengine and possible personal injury.
If you should experience cold weatherstarting problems on E85 ethanol, andneither an alternative brand of E85 ethanolnor an engine block heater is available, theaddition of unleaded gasoline to your tankimproves cold starting performance. Yourvehicle is designed to operate on E85ethanol alone, unleaded gasoline alone, orany mixture of the two.
If the Engine Fails to Start Using thePreceding Instructions (Flexible FuelVehicles Only)
1.Press and hold down the acceleratorone-third to one-half the way to thefloor, then crank the engine.
2.When the engine starts, release thekey, then gradually release theaccelerator pedal as the engine speedsup. If the engine still fails to start,repeat Step 1.
Guarding Against Exhaust Fumes
WARNING
If you smell exhaust fumes insideyour vehicle, have your vehiclechecked by your authorized dealerimmediately. Do not drive your vehicle ifyou smell exhaust fumes. Carbonmonoxide is present in exhaust fumes.Take precautions to avoid its dangerouseffects.
Important Ventilating Information
If you stop your vehicle and the leave theengine idling for long periods of time, werecommend that you do one of thefollowing:
•Open the windows at least 1 inch (2.5centimeters)
•Set your climate control to outside air.
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.
We recommend that you do the followingfor a safe and correct operation:
•Use a 16-gauge outdoor extension cordthat is product certified byUnderwriter’s Laboratory (UL) orCanadian Standards Association(CSA). This extension cord must besuitable for use outdoors, in cold
134Super Duty (), enUSAStarting and Stopping the Engine

SAFETY PRECAUTIONS
WARNINGS
Do not overfill the fuel tank. Thepressure in an overfilled tank maycause leakage and lead to fuel sprayand fire.
The fuel system may be underpressure. If you hear a hissing soundnear the fuel filler door, do not refueluntil the sound stops. Otherwise, fuel mayspray out, which could cause seriouspersonal injury.
Automotive fuels can cause seriousinjury or death if you misuse ormishandle them.
Fuel ethanol and gasoline maycontain benzene, which is acancer-causing agent.
When refueling always shut theengine off and never allow sparks oropen flames near the filler neck.Never smoke or use a cell phone whilerefueling. Fuel vapor is extremelyhazardous under certain conditions. Avoidinhaling excess fumes.
The flow of fuel through a fuel pumpnozzle can produce static electricity,which can cause a fire if you pumpfuel into an ungrounded fuel container.
Observe the following guidelines whenhandling automotive fuel:
•Extinguish all smoking materials andany open flames before refueling yourvehicle.
•Automotive fuels can be harmful orfatal if swallowed. Fuel such asgasoline is highly toxic and ifswallowed can cause death orpermanent injury. If swallowed, call aphysician immediately, even if nosymptoms are immediately apparent.The toxic effects of fuel may not bevisible for hours.
•Avoid inhaling fuel vapors. Inhaling toomuch fuel vapor of any kind can leadto eye and respiratory tract irritation.In severe cases, excessive or prolongedbreathing of fuel vapor can causeserious illness and permanent injury.
•Avoid getting fuel liquid in your eyes. Ifyou splash fuel in your eyes, removecontact lenses (if worn), flush withwater for 15 minutes and seek medicalattention. Failure to seek propermedical attention could lead topermanent injury.
•Fuels can also be harmful if absorbedthrough the skin. If you splash fuel onyour skin, clothing or both, promptlyremove contaminated clothing andwash your skin thoroughly with soapand water. Repeated or prolonged skincontact with fuel liquid or vapor causesskin irritation.
•Be particularly careful if you are taking“Antabuse” or other forms of disulfiramfor the treatment of alcoholism.Breathing gasoline vapors, or skincontact could cause an adversereaction. In sensitive individuals, seriouspersonal injury or sickness may result.If you splash fuel on your skin, promptlywash your skin thoroughly with soapand water. Consult a physicianimmediately if you experience anadverse reaction.
136Super Duty (), enUSAFuel and Refueling

FUEL QUALITY
Note:Do not add after-market fuel additiveproducts to your fuel tank. We recommendthat you use only high quality fuel withoutafter-market additives or other enginetreatments.
Note:Your warranty will not cover anyvehicle damage, loss of vehicle performanceor repairs to your vehicle caused by the useof fuel not recommended.
Choosing the Right Fuel
Use only unleaded gasoline or unleadedgasoline blended with a maximum of 15%ethanol in your gasoline vehicle. If yourvehicle is a flex fuel vehicle (FFV), it willhave a yellow cap.
Do not use:
•Fuels containing more than 15%ethanol or E-85 fuel.
•Fuels containing methanol.
•Fuels containing metallic basedadditives, including manganese-basedcompounds.
•Fuels containing the octane boosteradditive, methylcyclopentadienylmanganese tricarbonyl (MMT).
•Prohibited by law, you cannot useleaded fuel.
Diesel Engine
Refer to the diesel supplement forinformation regarding diesel fuelrecommendations and requirements ofyour diesel-powered truck.
Choosing the Right Fuel With aFlex Fuel Vehicle (If Equipped)
Note:Flex fuel vehicles will have a yellowfuel cap.
Use only unleaded gasoline or unleadedgasoline blended with a maximum of 85%ethanol (E-85) in your flex fuel vehicle(FFV).
Do not use:
•Fuels containing more than 85%ethanol or E-100 fuel.
•Fuels containing methanol.
•Fuels containing metallic basedadditives, including manganese-basedcompounds.
•Fuels containing the octane boosteradditive, methylcyclopentadienylmanganese tricarbonyl (MMT).
•Prohibited by law, you cannot useleaded fuel.
Your warranty will not cover any vehicledamage, loss of vehicle performance orrepairs to your vehicle, caused by the useof fuel not recommended.
It is best not to alternate repeatedlybetween gasoline and E85. If you do switchfuels, it is recommended that you add asmuch fuel as possible—at least half a tank.Do not add less than 5.0 gal (18.9 L)whenrefueling. You should drive the vehicleimmediately after refueling for at least5.0 mi (8 km)to allow the vehicle to adaptto the change in ethanol concentration.The recommendation if you exclusively useE85 fuel, is to fill the fuel tank with regularunleaded gasoline at each scheduled oilchange.
Octane Recommendations
137Super Duty (), enUSAFuel and RefuelingE161513

We recommend regular unleaded gasolinewith a pump (R+M)/2 octane rating of 87.Some stations offer fuels posted as regularwith an octane rating below 87, particularlyin high altitude areas. We do notrecommend fuels with an octane ratingbelow 87.
Do not be concerned if your enginesometimes knocks lightly. However, if itknocks heavily under most drivingconditions while you are using fuel with therecommended octane rating, see yourauthorized dealer to prevent any enginedamage.
RUNNING OUT OF FUEL
Avoid running out of fuel because thissituation may have an adverse effect onpowertrain components.
If you have run out of fuel:
•You may need to cycle the ignition fromoff to on several times after refuelingto allow the fuel system to pump thefuel from the tank to the engine. Onrestarting, cranking time will take a fewseconds longer than normal. Withkeyless ignition, just start the engine.Crank time will be longer than usual.
•Normally, adding 1 gallon (3.8 liters) offuel is enough to restart the engine. Ifthe vehicle is out of fuel and on a steepgrade, more than 1 gallon (3.8 liters)may be required.
•The service engine soon indicator maycome on. For more information on theservice engine soon indicator, SeeWarning Lamps and Indicators(page 77).
Refilling With a Portable FuelContainer
WARNINGS
The fuel system may be underpressure. If the fuel filler cap isventing vapor or if you hear a hissingsound, wait until it stops before completelyremoving the fuel filler cap. Otherwise, fuelmay spray out and cause personal injury.
Do not try to pry open or push openthe fuel system with foreign objects.This could damage the fuel systemand its seal and cause personal injury toyou or others.
Use the following directions when fillingfrom a portable fuel container:
1.Remove the fuel cap from the fuel fillerpipe by rotating it counter clockwise.
2.Slowly insert the portable fuelcontainer into the fuel filler opening.
3.Fill the vehicle with fuel from theportable fuel container.
4.4. When done, remove the portablefuel container nozzle and reinstall fuelcap. Insert fuel cap into fuel filleropening and turn clockwise until a clickis heard.
REFUELING
WARNINGS
Fuel vapor burns violently and a fuelfire can cause severe injuries.
Read and follow all the instructionson the pump island.
Turn off your engine when you arerefueling.
Do not smoke if you are near fuel orrefueling your vehicle.
138Super Duty (), enUSAFuel and Refueling

1Add 8 oz. (236 ml) of Additive Friction Modifier XL-3 or equivalent meeting FordSpecification EST-M2C118–A for complete refill of limited slip Ford axles. Ford designrear axles contain a synthetic lubricant that does not require changing unless you submergethe axle in water.2Ford recommends using Motorcraft (Ford) DOT 3 LV High Performance Motor VehicleBrake Fluid, Motorcraft (Ford) DOT 4 LV High Performance Motor Vehicle Brake Fluid orequivalent meeting WSS-M6C65-A1 or WSS-M6C65-A2. Use of any fluid other than therecommended fluid may cause degraded brake performance and not meet the Fordperformance standards. Keep brake fluid clean and dry. Contamination with dirt, water,petroleum products or other materials may result in brake system damage and possiblefailure.3Add the coolant type originally equipped in your vehicle.4Ford has designed your engine to use Motorcraft engine oils or equivalent oils that meetFord’s specification. It is also acceptable to use an engine oil of recommended viscositygrade that meets API SN requirements and displays the API Certification Mark for gasolineengines.5Do not use oils labeled as API SN unless the label also display the API certification mark.These oils do not meet the requirements of your vehicles engine and emissions system.6Do not use supplemental engine oil additives. They are unnecessary and could lead toengine damage not covered by your Ford warranty.7Use the correct automatic transmission fluid. Transmission fluid requirements areindicated on the dipstick blade or the dipstick handle. Check the container to verify thefluid you are adding is of the correct type. Refer to your scheduled maintenance informationto determine the correct service interval.
Note:Automatic transmissions that require MERCON LV should only use MERCON LV fluid.Use of any fluid other than the recommended fluid may cause transmission damage.8Indicates only approximate dry-fill capacity. Some applications may vary based on coolersize and if equipped with an in-tank cooler. You should set the amount of transmissionfluid and fluid level by the indication on the dipstick’s normal operating range.9Fill to the proper capacity according to dipstick Type A. For correct dipstick type, SeeAutomatic Transmission Fluid Check (page 240).9Fill to the proper capacity according to dipstick Type B. For correct dipstick type, SeeAutomatic Transmission Fluid Check (page 240).10See the Warning below:
WARNING
The air conditioning refrigerant system contains refrigerant R-134a under highpressure. Opening the air conditioning refrigerant system can cause personal injury.Have the air conditioning refrigerant system serviced only by qualified personnel.
309Super Duty (), enUSACapacities and Specifications