Fuses
Fuse Precautions.........................................401
Under Hood Fuse Box................................401
Body Control Module Fuse Box..............408
Identifying Fuse Types................................413
Fuses – Troubleshooting...........................413
Maintenance
Maintenance Precautions..........................414
Opening and Closing the Hood...............414
Under Hood Overview................................415
Engine Oil.......................................................417
Checking the Coolant.................................418
Engine Air Filter...........................................423
Changing the Fuel Filter............................424
Changing the 12V Battery.........................424
Adjusting the Headlamps..........................427
Exterior Bulbs...............................................428
Interior Bulbs................................................428
Drive Belt Routing.......................................428
Vehicle Care
Cleaning Products......................................429
Cleaning the Exterior.................................430
Cleaning the Interior...................................432
Repairing Minor Paint Damage................434
Waxing Your Vehicle...................................434
Storing Your Vehicle
Preparing Your Vehicle for Storage........435
Removing Your Vehicle From Storage......................................................................436
Wheel and Tire Information
Locating the Tire label...............................437
Department of Transportation Uniform TireQuality Grades.........................................437
Information on the Tire Sidewall.............438
Glossary of Tire Terminology...................443
Tire Replacement Requirements.............444
Using Snow Chains.....................................446
Tire Care
Checking the Tire Pressures....................449
Inflating the Tires.........................................449
Inspecting the Tire for Wear.....................449
Inspecting the Tire for Damage..............450
Inspecting the Wheel Valve Stems..........451
Tire Rotation..................................................451
Tire Pressure Monitoring System
What Is the Tire Pressure MonitoringSystem.......................................................453
Tire Pressure Monitoring System Overview......................................................................453
Tire Pressure Monitoring SystemPrecautions...............................................454
Tire Pressure Monitoring SystemLimitations................................................455
Viewing the Tire Pressures......................455
Tire Pressure Monitoring System –Troubleshooting......................................455
Changing a Road Wheel
Changing a Flat Tire...................................459
Wheel Nuts...................................................465
Capacities and Specifications
Engine Specifications.................................467
13
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMTable of Contents
SYMBOLS USED ON YOUR
VEHICLE
These are some of the symbols you may seeon your vehicle.
Airbag
Air conditioning system
Air conditioning system lubricanttype
Anti-lock braking system
Avoid smoking, flames or sparks
Battery
Battery acid
Blower motor
Brake fluid - non petroleum based
Brake system
Brake system
Cabin air filter
Check fuel cap
Child safety door lock or unlock
Child seat lower anchor
Child seat tether anchor
Cruise control
Do not open when hot
Electric Parking brake
Engine air filter
Engine coolant
Engine coolant temperature
Engine oil
Explosive gas
Fan warning
Fasten seatbelt
Flammable
Front fog lamps
21
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMSymbols GlossaryE67017 E162384 E231157 E67020 E139220 E67021 E139227 E139209 E67024 E270480 E139223 E139211 E141128 E332905 E139219 E139212 E103308 E67022 E139221 E139228 E71880 E231160
Battery. See Changing the 12V Battery (page 424).C
Engine oil filler cap. See Adding Engine Oil (page 417).D
Engine oil dipstick. See Engine Oil Dipstick Overview (page 417).E
Brake fluid reservoir. See Checking the Brake Fluid (page 232).F
Air filter. See Changing the Engine Air Filter (page 423).G
Engine coolant reservoir. See Checking the Coolant (page 418).H
416
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMMaintenance
We recommend that you only use a carshampoo, a soft cloth and water on bumpersand other chrome, aluminium or stainlesssteel parts.
Note:For additional information andassistance, we recommend that you contactan authorized dealer.
Note:Rinse the area well after cleaning.
Note:Do not use abrasive materials, forexample steel wool or plastic pads, as theycan scratch these surfaces.
Note:Do not use chrome cleaner, metalcleaner or polish on wheels or wheel covers.
CLEANING WHEELS
Only use a recommended wheel and tirecleaner to clean the wheels weekly. Foradditional information and assistance, werecommend that you contact an authorizeddealer.
1.Use a sponge to remove heavy depositsof dirt and brake dust.
2.Rinse well after cleaning.
Note:Do not apply a cleaning chemical towarm or hot wheel rims and covers.
If you intend on parking your vehicle for anextended period after cleaning the wheelswith a wheel cleaner, drive your vehicle fora few minutes before parking your vehicle.This reduces the risk of corrosion of thebrake discs, brake pads and linings.
Do not clean the wheels when they are hot.
Note: Some car washes could damagewheel rims and covers.
Note: Using non-recommended cleaners,harsh cleaning products, chrome wheelcleaners or abrasive materials coulddamage wheel rims and covers.
CLEANING THE ENGINE
COMPARTMENT
Use a vacuum cleaner to remove debris fromthe screen area below windshield.
Note:If you are not familiar with the partsaround the engine do not wash the enginecompartment. Avoid frequent enginewashes.
When washing the engine compartment:
•Never wash or rinse the engine while itis hot or running.
•Never wash or rinse any ignition coil,spark plug wire or spark plug well.
•Cover the battery, power distribution box,and air filter assembly to prevent waterdamage.
Note:If your vehicle has an engine coverremove the cover before application ofshampoo and degreaser.
•Spray an approved engine shampoo anddegreaser on all parts that requirecleaning and rinse with water.
CLEANING STRIPES OR GRAPHICS
It is recommended to wash your vehicle byhand however, pressure washing may beused under the following conditions:
•Use a spray with a 40° wide spray anglepattern.
•Keep the nozzle at a 12 in (305 mm)distance and 90° angle to your vehicle'ssurface.
431
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMVehicle Care
PREPARING YOUR VEHICLE FOR
STORAGE
If you plan on storing your vehicle for 30days or more, the following maintenancerecommendations ensures your vehicle staysin good operating condition.
Under various conditions, long-term storagemay lead to degraded engine performanceor failure unless you use specific precautionsto preserve your vehicle.
General
•Store all vehicles in a dry, ventilatedplace.
•If vehicles are stored outside, theyrequire regular maintenance to protectagainst rust and weather damage.
•Make sure all linkages, cables, levers andpins under your vehicle are covered withgrease to prevent rust.
•Move vehicles at least 25 ft (7.5 m) every15 days to lubricate working parts andprevent corrosion.
•Fill the fuel tank with high-quality fueluntil the first automatic shutoff of the fuelpump nozzle.
Engine
•Change the engine oil and filter prior tostorage because used engine oil containscontaminants which may cause enginedamage.
•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, shift throughall the gears while the engine is running.
Body
•Wash your vehicle thoroughly to removedirt, grease, oil, tar or mud from exteriorsurfaces, rear wheel housings and theunderside of front fenders.
•Periodically wash your vehicle if it isstored in exposed locations.
•Touch-up exposed or primed metal toprevent rust.
•Cover chrome and stainless steel partswith a thick coat of auto wax to preventdiscoloration. Rewax as necessary whenyou wash your vehicle.
•Lubricate all hood, door and luggagecompartment hinges and latches with alight grade oil.
•Cover interior trim to prevent fading.
•Keep all rubber parts free from oil andsolvents.
435
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMStoring Your Vehicle
MOTORCRAFT PARTS
Motorcraft Part NumberComponent
FA-1883Air filter element.
BAGM-94RH7Battery.
FP-92Cabin air filter.
FL-500-SEngine oil filter.1
WW-1107Rear window wiper blade.
SP-596Spark plug.
WW-2248Windshield wiper blade.
1 If a Motorcraft oil filter is not available, use an oil filter that meets industry performance specification SAE/USCAR-36.
We recommend Motorcraft parts that are available at your authorized dealer or at www.parts.ford.com. We engineer these parts for yourvehicle to meet or exceed our specifications. Use of other parts could impact vehicle performance, emissions and durability. Your warrantycould be void for any damage related to use of other parts.
468
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMCapacities and Specifications
ENGINE OIL CAPACITY AND
SPECIFICATION
Use oil that meets the defined specificationand viscosity grade.
If you do not use oil that meets the definedspecification and viscosity grade, it couldresult in:
•Component damage that your vehiclewarranty does not cover.
•Longer engine cranking periods.
•Increased emission levels.
•Reduced vehicle performance.
•Reduced fuel economy.
An oil that displays this symbol conforms tocurrent engine, emission system and fueleconomy performance standards of ILSAC.
We recommend Motorcraft® motor oil foryour vehicle. If Motorcraft® oil is not available,use motor oils of the recommended viscositygrade that display the API Certification Markfor gasoline engines.
Do not use supplemental engine oil additivesbecause they are unnecessary and couldlead to engine damage that your vehiclewarranty does not cover.
Capacities
Including the Oil FilterVariant
6.0 qt (5.7 L)All.
469
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMCapacities and SpecificationsE142732
Check Every Month
The air filter restriction gauge.1
The engine oil level.
Function of all interior and the exterior lights.
The tires including the spare for wear and proper pressure.
The windshield washer fluid level.
The fuel and water separator. Drain if necessary or if indicated by the instrument cluster display.1
The holes and slots in the tail pipe to make sure they are functional and clear of debris.1
1 Diesel vehicles only.
Check Every Six Months
The battery connections. Clean if necessary.
The body and door drain holes for obstructions. Clean if necessary.
The cooling system fluid level and the coolant system strength.
The door weatherstrips for wear. Lubricate if necessary.
The hinges, latches and outside locks for proper operation. Lubricate if necessary.
531
2023 Navigator (TB9) Canada/United States of America, enUSA, Edition date: 202207, DOMScheduled Maintenance