Page 361 of 649
CHANGING A FUSE
Fuses
WARNING: Always replace a fusewith one that has the specified amperagerating. Using a fuse with a higheramperage rating can cause severe wiredamage and could start a fire.
If electrical components in the vehicle arenot working, a fuse may have blown. Blownfuses are identified by a broken wire withinthe fuse. Check the appropriate fuses beforereplacing any electrical components.
358
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
FusesE217331
Page 362 of 649
Fuse Types
Fuse TypeCallout
Micro 2A
Micro 3B
MaxiC
359
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
FusesE207206
Page 363 of 649
Fuse TypeCallout
MiniD
M CaseE
J CaseF
J Case Low ProfileG
360
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
Fuses
Page 364 of 649

GENERAL INFORMATION
Have your vehicle serviced regularly to helpmaintain its roadworthiness and resale value.There is a large network of authorizeddealers that are there to help you with theirprofessional servicing expertise. We believethat their specially trained technicians arebest qualified to service your vehicle properlyand expertly. They are supported by a widerange of highly 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 which partsand 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 the enginerunning in an enclosed space, unless youare sure you have enough ventilation.
•Keep all open flames and other burningmaterial (such as cigarettes) away fromthe battery and all fuel related parts.
Working with the Engine Off
1. Set the parking brake and shift thetransmission to park (P).
2. Switch off the engine.
3. Block the wheels.
Working with the Engine On
WARNING: To reduce the risk ofvehicle damage and personal burn injuries,do not start your engine with the aircleaner removed and do not remove itwhile the engine is running.
1. Set the parking brake and shift thetransmission 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.
361
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
MaintenanceE250815
Page 365 of 649
2.Go to the front of your vehicle and locatethe secondary release lever under thefront of the hood in the center. Releasethe hood latch by pulling the secondaryrelease upward.
3. Lift the hood until the lift cylinders holdit open.
4.To close, lower the hood and make surethat it is closed properly and fully latched.
UNDER HOOD OVERVIEW
362
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
MaintenanceE250814
Page 366 of 649
363
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
MaintenanceE258054
Page 367 of 649

Windshield washer fluid reservoir.See Washer Fluid Check (page373).
A.
Power distribution box. SeeChanging a Fuse (page 358).B.
Battery. See Changing the 12VBattery (page 373).C.
Engine oil filler cap. See EngineOil Check (page 364).D.
Engine oil dipstick. See Engine OilDipstick (page 364).E.
Brake fluid reservoir. See BrakeFluid Check (page 372).F.
Air filter. See Changing the EngineAir Filter (page 381).G.
Engine coolant reservoir. SeeEngine Coolant Check (page 366).H.
ENGINE OIL DIPSTICK
MINA
MAXB
ENGINE OIL CHECK
To check the engine oil level consistentlyand accurately, do the following:
1.Make sure the parking brake is on. Makesure the transmission is in park (P) orneutral (N).
2. Run the engine until it reaches normaloperating temperature.
3. Make sure that your vehicle is on levelground.
4.Switch the engine off and wait 15 minutesfor the oil to drain into the oil pan. Checking the engine oil level too soonafter you switch the engine off may resultin an inaccurate reading.
5. Open the hood. See Opening andClosing the Hood (page 361).
6. Remove the dipstick and wipe it with aclean, lint-free cloth. See Under HoodOverview (page 362).
7.Replace the dipstick and remove it againto check the oil level. See Engine OilDipstick (page 364).
8. Make sure that the oil level is betweenthe maximum and minimum marks. If theoil level is at the minimum mark, add oilimmediately. See Capacities andSpecifications (page 426).
9. If the oil level is correct, replace thedipstick and make sure it is fully seated.
364
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
MaintenanceE146429
Page 368 of 649

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 fillercap when the engine is running.
Do not use supplemental engine oil additivesbecause they are unnecessary and couldlead to engine damage that may not becovered by the vehicle Warranty.
Only use oils certified for gasoline enginesby the American Petroleum Institute (API). An oil with this trademark symbol conformsto the current engine and emission systemprotection standards and fuel economyrequirements of the International LubricantsSpecification Advisory Committee (ILSAC).
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 362). Turnit counterclockwise and remove it.
3. Add engine oil that meets ourspecifications. See Capacities andSpecifications (page 426). You may haveto use a funnel to pour the engine oil intothe 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. Turn itclockwise 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.
OIL CHANGE INDICATOR RESET
Use the information display controls on thesteering wheel to reset the oil changeindicator.
365
Navigator (TB9) Canada/United States of America, enUSA, Edition date: 201708, Third-Printing-
MaintenanceE142732