•Air in the fuel system, due to looseconnections.
•An open or pinched sensor hose.
•Check engine oil level.
•Wrong fuel or oil viscosity for theclimatic conditions.
If these checks do not help you correct theengine performance problem you areexperiencing, have your vehicle checkedas soon as possible.
Noise Emissions Warranty, ProhibitedTampering Acts and Maintenance
On January 1, 1978, Federal regulationbecame effective governing the noiseemission on vehicles weighing over10,000 lb (4,536 kg) Gross Vehicle WeightRating. The preceding statementsconcerning prohibited tampering acts andmaintenance, and the noise warrantyfound in the Warranty Guide, areapplicable to complete chassis cabs over10,000 lb (4,536 kg) Gross Vehicle WeightRating.
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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.
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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.
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MaintenanceABC
JFGI
ED
E222144
H
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.
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MaintenanceE161560
AB E71362
AB
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).
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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.
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 diesel engines bythe 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 323).Turn it counterclockwise and removeit.
3. Add engine oil that meets Fordspecifications. See Capacities andSpecifications (page 427). 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.
CHANGING THE ENGINE OIL
AND OIL FILTER
WARNINGS
Do not handle a hot oil filter withbare hands.
Continuous contact with used motoroil has caused cancer in laboratorymice. Protect your skin by washingwith soap and water.
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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.
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Maintenance
Engine
•Change the engine oil and filter prior tostorage because used engine oilcontains contaminates which maycause engine damage.
•Start the engine every 15 days for aminimum of 15 minutes. Run at fast idlewith the climate controls set to defrostuntil the engine reaches normaloperating temperature.
•With your foot on the brake, shiftthrough all the gears while the engineis running.
•We recommend that you change theengine oil before you use your vehicleagain.
Fuel system
•Fill the fuel tank with high-quality fueluntil the first automatic shutoff of thefuel pump nozzle.
Cooling system
•Protect against freezing temperatures.
•When removing your vehicle fromstorage, check coolant fluid level.Confirm that there are no coolingsystem leaks and that fluid is at therecommended level.
Battery
•Check and recharge as necessary. Keepconnections clean.
•If storing your vehicle for more than 30days without recharging the battery,we recommend that you disconnectthe battery cables to maintain batterycharge for quick starting.
Note:It is necessary to reset memoryfeatures if battery cables are disconnected.
Brakes
•Make sure the brakes and parking brakerelease fully.
Tires
•Maintain recommended air pressure.
Miscellaneous
•Make sure all linkages, cables, leversand pins under your vehicle are coveredwith grease to prevent rust.
•Move vehicles at least 25 ft (7.5 m)every 15 days to lubricate working partsand prevent corrosion.
Removing Vehicle From Storage
When your vehicle is ready to come out ofstorage, do the following:
•Wash your vehicle to remove any dirtor grease film build-up on windowsurfaces.
•Check windshield wipers for anydeterioration.
•Check under the hood for any foreignmaterial that may have collectedduring storage such as mice or squirrelnests.
•Check the exhaust for any foreignmaterial that may have collectedduring storage.
•Check tire pressures and set tireinflation per the Tire Label.
•Check brake pedal operation. Driveyour vehicle 15 ft (4.5 m) back andforth to remove rust build-up.
•Check fluid levels (including coolant,oil and gas) to make sure there are noleaks, and fluids are at recommendedlevels.
•If you remove the battery, clean thebattery cable ends and check fordamage.
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Vehicle Care