Page 302 of 642

Note:When you try to restart your vehicleafter a fuel shutoff, your vehicle makes surethat various systems are safe to restart.Once your vehicle determines that thesystems are safe, then your vehicle willallow you to restart.
In the event of a moderate to severecollision, your vehicle is equipped with afuel pump shut-off feature that stops theflow of fuel to the engine. Not every impactwill cause a shutoff.
After an accident, if the engine cranks butdoes not start, this switch may have beenactivated.
This switch is located on the passenger’sside of the instrument panel. Open thefront passenger door and remove the smallaccess panel.
The switch has a red button on top of it.
To reset the switch:
1. Turn the ignition off.
2. Check the fuel system for leaks.
3. If no leaks are apparent, reset theswitch by pushing in on the resetbutton.
4. Turn the ignition on.
5.Wait a few seconds and return the keyto off.
6. Make another check for leaks.
Running Out Of DEF (DieselExhaust Fluid)
If your vehicle runs out of DEF, it will enterinto a speed limited mode and can alsoenter into an idle-only mode. Normalvehicle operation will not resume until DEFis refilled. See Selective CatalyticReduction System (page 188).
Contact roadside assistance for help infinding a retailer that sells DEF. SeeCustomer Assistance (page 305).
JUMP STARTING THE VEHICLE
WARNINGS
Batteries normally produce explosivegases which can cause personalinjury. Therefore, do not allowflames, sparks or lighted substances tocome near the battery. When working nearthe battery, always shield your face andprotect your eyes. Always provide correctventilation.
299
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
Roadside EmergenciesE163366 E163367
Page 325 of 642

GENERAL INFORMATION
Have your vehicle serviced 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. Motorcraft® parts aredesigned and built to provide the bestperformance in your vehicle.
Precautions
•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) awayfrom the battery and all fuel relatedparts.
Working with the Engine Off
1.Set the parking brake and shift to park(P).
2. Switch off the engine.
3. Block the wheels.
Working with the Engine On
WARNING
To reduce the risk of vehicle damageand/or personal burn injuries, do notstart your engine with the air cleanerremoved and do not remove it while theengine is running.
1.Set the parking brake and shift to park(P).
2. Block the wheels.
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.
322
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
MaintenanceE166491
Page 326 of 642
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.
UNDER HOOD OVERVIEW - 6.2L
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.
Brake fluid reservoir. See Brake Fluid Check (page 343).D.
323
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
MaintenanceE190266 ABC
JEFHI
D
E222143
G
Page 327 of 642
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
Page 328 of 642

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
Page 329 of 642
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
Page 330 of 642

ENGINE OIL DIPSTICK - 6.2L/
6.8L
MINA
MAXB
ENGINE OIL DIPSTICK - 6.7L
DIESEL
MINA
MAXB
ENGINE OIL CHECK - 6.2L/6.8L
To check the engine oil level consistentlyand accurately, do the following:
1. Make sure that your vehicle is on levelground.
2. Run engine until it reaches normaloperating temperature.
3.Make sure the parking brake is on. Makesure the transmission is in park (P) orneutral (N).
4. Switch the engine off and wait 15minutes for the oil to drain into the oilpan. Checking the engine oil level toosoon after you switch the engine offmay result in an inaccurate reading.
5. Open the hood. See Opening andClosing the Hood (page 322).
6. Remove the dipstick and wipe it witha clean, lint-free cloth. See UnderHood Overview (page 326).
7. Replace the dipstick and remove itagain to check the oil level. SeeEngine Oil Dipstick (page 327).
8.Make sure that the oil level is betweenthe maximum and minimum marks. Ifthe oil level is at the minimum mark,add oil immediately. See Capacitiesand Specifications (page 434).
9. If the oil level is correct, replace thedipstick and make sure it is fully seated.
Note:Do not remove the dipstick when theengine is running.
Note:If the oil level is between themaximum and minimum marks, the oil levelis acceptable. Do not add oil.
Note:The oil consumption of new enginesreaches its normal level after approximately3,000 mi (5,000 km).
Adding Engine Oil
WARNING
Do not remove the filler cap whenthe engine is running.
327
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
MaintenanceE161560
AB E71362
AB
Page 331 of 642

Do not use supplemental engine oiladditives because they are unnecessaryand could lead to engine damage that maynot be covered by the vehicle Warranty.
Only use oils certified for gasoline enginesby the American Petroleum Institute (API).An oil with this trademark symbolconforms to the current engine andemission system protection standards andfuel economy requirements of theInternational Lubricants SpecificationAdvisory Committee (ILSAC), comprisedof U.S. and Japanese automobilemanufacturers.
To top up the engine oil level do thefollowing:
1. Clean the area surrounding the engineoil filler cap before you remove it.
2. Remove the engine oil filler cap. SeeUnder Hood Overview (page 326).Turn it counterclockwise and removeit.
3. Add engine oil that meets Fordspecifications. See Capacities andSpecifications (page 434). You mayhave to use a funnel to pour the engineoil into the opening.
4. Recheck the oil level.
5. If the oil level is correct, replace thedipstick and make sure it is fully seated.
6. Replace 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:Make sure you install the oil filler capcorrectly.
Note:Soak up any spillage with anabsorbent cloth immediately.
ENGINE OIL CHECK - 6.7L
DIESEL
To check the engine oil level consistentlyand accurately, do the following:
1. Make sure that your vehicle is on levelground.
2. Run the engine until it reaches normaloperating temperature.
3.Make sure the parking brake is on. Makesure the transmission is in park (P) orneutral (N).
4. Switch the engine off and wait 15minutes for the oil to drain into the oilpan. Checking the engine oil level toosoon after you switch the engine offmay result in an inaccurate reading.
5. Open the hood. See Opening andClosing the Hood (page 322).
6. Remove the dipstick and wipe it witha clean, lint-free cloth. See UnderHood Overview (page 323).
7. Replace the dipstick and remove itagain to check the oil level. SeeEngine Oil Dipstick (page 327).
8.Make sure that the oil level is betweenthe maximum and minimum marks. Ifthe oil level is at the minimum mark,add oil immediately. See Capacitiesand Specifications (page 427).
328
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
MaintenanceE142732