2018 LINCOLN NAVIGATOR maintenance

Truck and utility vehicles can differ fromsome other vehicles. Your vehicle may behigher to allow it to travel over rough terrainwithout getting hung up or damagingunderbody components.
The differences that make your vehicle soversatile also make it handle differently thanan ordinary passenger car.
Maintain steering wheel control at all times,especially in rough terrain. Since suddenchanges in terrain can result in abruptsteering wheel motion, make sure you gripthe steering wheel from the outside. Do notgrip the spokes.
Drive cautiously to avoid vehicle damagefrom concealed objects such as rocks andstumps.
You should either know the terrain orexamine maps of the area before driving.Map out your route before driving in the area.To maintain steering and braking control ofyour vehicle, you must have all four wheelson the ground and they must be rolling, notsliding or spinning.
Driving Off-Road With Truck and UtilityVehicles
Note:On some models, the initial shift fromtwo-wheel drive to four-wheel drive whenthe vehicle is moving can cause somemomentary clunk and ratcheting sounds.This is the front drivetrain coming up tospeed and the automatic locking hubsengaging and is not cause for concern.
Note:Your vehicle may have a front air dam.Due to low ground clearance, you candamage it when taking your vehicle off-road.You can take the air dam off by removingthe bolts that secure it.
Four-wheel drive vehicles are speciallyequipped for driving on sand, snow, mud andrough terrain and have operatingcharacteristics that are somewhat differentfrom conventional vehicles, both on and offthe road.
Power is supplied to all four wheels througha transfer case. On four-wheel drive vehicles,the transfer case allows you to utilizedifferent 4X4 modes when necessary.Information on transfer case operation andshifting procedures can be found in this
chapter and the Driving Aids chapter.Information on transfer case maintenancecan be found in the Maintenance chapter.You should become thoroughly familiar withthis information before you operate yourvehicle.
Four-wheel drive, when you select a4X4-capable drive mode, it uses all fourwheels to power the vehicle. This increasestraction, enabling you to drive over terrainand road conditions that a conventionaltwo-wheel drive vehicle cannot.
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Four-Wheel Drive (If Equipped)

Maintenance and Modifications
The suspension and steering systems onyour vehicle have been designed and testedto provide predictable performance whetherloaded or empty. For this reason, we stronglyrecommend that you do not makemodifications such as adding or removingparts (i.e. lift kits or stabilizer bars) or by usingreplacement parts not equivalent to theoriginal factory equipment.
We recommend that you use caution whenyour vehicle has either a high load or device(i.e. ladder or luggage racks). Anymodifications to your vehicle that raise thecenter of gravity may cause your vehicle toroll over when there is a loss of vehiclecontrol.
Failure to maintain your vehicle correctly mayvoid the warranty, increase your repair cost,reduce vehicle performance and operationalcapabilities and adversely affect you andyour passenger's safety. We recommend youfrequently inspect your vehicle's chassiscomponents when your vehicle is subject tooff road usage.
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Four-Wheel Drive (If Equipped)

Note:The system turns on each time youswitch the ignition on and you shift intoreverse (R). If you temporarily switch thesystem off, it turns on the next time youswitch the ignition on.
Note:The system may not correctly operatewhen towing a trailer. For vehicles with atrailer tow module and tow bar approved byus, the system turns off when you attach atrailer. For vehicles with an aftermarkettrailer tow module or tow bar, werecommend that you switch the system offwhen you attach a trailer.
To permanently switch the system off,contact an authorized dealer.
STEERING
Electric Power Steering
WARNING: The electric powersteering system has diagnostic checks thatcontinuously monitor the system. If a faultis detected, a message displays in theinformation display. Stop your vehicle assoon as it is safe to do so. Switch theignition off. After at least 10 seconds,switch the ignition on and watch theinformation display for a steering systemwarning message. If a steering systemwarning message returns, have the systemchecked by an authorized dealer.
WARNING: If the system detects anerror, you may not feel a difference in thesteering, however a serious condition mayexist. Obtain immediate service from anauthorized dealer, failure to do so mayresult in loss of steering control.
Your vehicle has an electric power steeringsystem. There is no fluid reservoir. Nomaintenance is required.
If your vehicle loses electrical power whileyou are driving, electric power steeringassistance is lost. The steering system stilloperates and you can steer your vehiclemanually. Manually steering your vehiclerequires more effort.
Extreme continuous steering may increasethe effort required for you to steer yourvehicle. This increased effort preventsoverheating and permanent damage to thesteering system. You do not lose the abilityto steer your vehicle manually. Typicalsteering and driving maneuvers allow thesystem to cool and return to normaloperation.
Steering Tips
If the steering wanders or pulls, check for:
•Correct tire pressures.
•Uneven tire wear.
•Loose or worn suspension components.
•Loose or worn steering components.
•Improper vehicle alignment.
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Driving Aids

ESSENTIAL TOWING CHECKS
Follow these guidelines for safe towing:
•Do not tow a trailer until you drive yourvehicle at least 1,000 mi (1,600 km).
•Consult your local motor vehicle laws fortowing a trailer.
•See any instructions that come withtowing accessories for the properinstallation and adjustment specifications.
•Service your vehicle more frequently ifyou tow a trailer. See ScheduledMaintenance (page 552).
•If you use a rental trailer, follow theinstructions the rental agency gives you.
You can find information on loadspecification terms found on the tire labeland Safety Compliance label as well asinstructions on calculating your vehicle's loadin the Load Carrying chapter. See Load Limit(page 293).
Remember to account for the trailer tongueweight as part of your vehicle load whencalculating the total vehicle weight.
Trailer Towing Connector (Vehicleswith a Trailer Towing Package and7–Pin Connector)
When attaching the trailer wiring connectorto your vehicle, only use a proper fittingconnector that works with the vehicle andtrailer functions. Some seven-positionconnectors may have the SAE J2863 logo,which confirms that it is the proper wiringconnector and works correctly with yourvehicle.
FunctionColor
Left turn signal and stop lamp.Yellow
Ground (-).White
Electric brakes.Blue
Right turn signal and stop lamp.Green
Battery (+).Orange
Running lights.Brown
Reverse lights.Grey
Trailer Hitch Cover
Your vehicle has a removable trailer hitchcover. To remove the trailer hitch cover:
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BREAKING-IN
You need to break in new tires forapproximately 300 mi (480 km). During thistime, your vehicle may exhibit some unusualdriving characteristics.
Avoid driving too fast during the first 1,000 mi(1,600 km). Vary your speed frequently andchange up through the gears early. Do notlabor the engine.
Do not tow during the first 1,000 mi(1,600 km).
REDUCED ENGINE PERFORMANCE
WARNING: If you continue to driveyour vehicle when the engine isoverheating, the engine could stop withoutwarning. Failure to follow this instructioncould result in the loss of control of yourvehicle.
If the engine coolant temperature gaugeneedle moves to the upper limit position, theengine is overheating. See Gauges (page112).
You must only drive your vehicle for a shortdistance if the engine overheats. Thedistance you can travel depends on ambienttemperature, vehicle load and terrain. Theengine continues to operate with limitedpower for a short period of time.
If the engine temperature continues to rise,the fuel supply to the engine reduces. Theair conditioning switches off and the enginecooling fan operates continually.
1. Gradually reduce your speed and stopyour vehicle as soon as it is safe to doso.
2. Immediately switch the engine off toprevent severe engine damage.
3. Wait for the engine to cool down.
4. Check the coolant level. See EngineCoolant Check (page 366).
5. Have your vehicle checked as soon aspossible.
ECONOMICAL DRIVING
Fuel economy is affected by several thingssuch as how you drive, the conditions youdrive under and how you maintain yourvehicle.
There are some things to keep in mind thatmay improve your fuel economy:
•Accelerate and slow down in a smooth,moderate fashion.
•Drive at steady speeds.
•Anticipate stops; slowing down mayeliminate the need to stop.
•Combine errands and minimizestop-and-go driving (When runningerrands, go to the furthest destinationfirst and then work your way back home).
•Close the windows for high-speeddriving.
•Drive at reasonable speeds.
•Keep the tires properly inflated and useonly the recommended size.
•Use the recommended engine oil.
•Perform all regularly scheduledmaintenance.
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Driving Hints

GETTING THE SERVICES YOU
NEED
Warranty repairs to your vehicle must beperformed by an authorized dealer. Whileany authorized dealer handling your vehicleline provides warranty service, werecommend you return to your sellingauthorized dealer who wants to ensure yourcontinued satisfaction.
Please note that certain warranty repairsrequire special training and equipment, sonot all authorized dealers are authorized toperform all warranty repairs. This means that,depending on the warranty repair needed,you may have to take your vehicle to anotherauthorized dealer.
A reasonable time must be allowed toperform a repair after taking your vehicle tothe authorized dealer. Repairs are madeusing Lincoln or Motorcraft parts, orremanufactured or other parts that areauthorized by Lincoln.
Away From Home
If you are away from home when your vehicleneeds service, contact the Lincoln ClientRelationship Center or use the onlineresources listed below to find the nearestauthorized dealer.
In the United States:
Mailing address
Lincoln Motor CompanyClient Relationship CenterP.O. Box 6248Dearborn, MI 48126
Telephone
1-800-521-4140TDD for the hearing impaired:1-800-232-5952
Web Address
www.LincolnOwner.com
These are some of the items that can befound online:
•United States dealer locator by DealerName, City, State or ZIP Code.
•Owner Manuals.
•Maintenance Schedules.
•Recalls.
•Lincoln Extended Service Plans.
•Lincoln Original Accessories.
•Service specials and promotions.
In Canada:
Mailing address
Lincoln Client Relationship CentreLincoln Motor Company of Canada, LimitedP.O. Box 2000Oakville, Ontario L6K 1C8
Telephone
1-800-387-9333
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Customer Assistance

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.
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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
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