2018 LINCOLN NAVIGATOR transmission fluid

Reporting Safety Defects (U.S. Only)......340
Reporting Safety Defects (Canada Only).......................................................................341
Fuses
Fuse Specification Chart...........................342
Changing a Fuse.........................................358
Maintenance
General Information.....................................361
Opening and Closing the Hood...............361
Under Hood Overview...............................362
Engine Oil Dipstick.....................................364
Engine Oil Check........................................364
Oil Change Indicator Reset......................365
Engine Coolant Check...............................366
Automatic Transmission Fluid Check......371
Transfer Case Fluid Check.........................371
Brake Fluid Check.......................................372
Washer Fluid Check....................................373
Fuel Filter.......................................................373
Changing the 12V Battery.........................373
Checking the Wiper Blades......................375
Changing the Wiper Blades......................376
Adjusting the Headlamps..........................376
Changing a Bulb..........................................378
Bulb Specification Chart............................378
Changing the Engine Air Filter.................381
Vehicle Care
General Information....................................382
Cleaning Products......................................382
Cleaning the Exterior.................................383
Waxing...........................................................384
Cleaning the Engine...................................385
Cleaning the Windows and Wiper Blades......................................................................385
Cleaning the Interior..................................386
Cleaning the Instrument Panel andInstrument Cluster Lens........................388
Cleaning Leather Seats.............................388
Repairing Minor Paint Damage................389
Cleaning the Wheels..................................389
Vehicle Storage...........................................390
Body Styling Kits...........................................391
Wheels and Tires
General Information...................................392
Tire Care........................................................394
Using Snow Chains....................................408
Tire Pressure Monitoring System...........409
Changing a Road Wheel.............................414
Technical Specifications............................420
Capacities and Specifications
Engine Specifications.................................422
Motorcraft Parts...........................................423
Vehicle Identification Number.................424
Vehicle Certification Label........................424
Transmission Code Designation.............425
Capacities and Specifications..................426
Audio System
General Information....................................434
Audio Unit.....................................................436
Satellite Radio..............................................442
USB Port........................................................445
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Table of Contents

If your vehicle goes from one type of surfaceto another (i.e. from concrete to gravel) theremay be a change in the way your vehicleresponds to a maneuver (i.e. steering,acceleration or braking).
Sand
When driving over sand, try to keep all fourwheels on the most solid area of the trail.Avoid reducing the tire pressures but shiftto a lower gear and drive steadily throughthe terrain. Apply the accelerator slowly andavoid excessive wheel slip.
Avoid driving at excessive speeds, thiscauses vehicle momentum to work againstyou and your vehicle could become stuck tothe point that assistance may be requiredfrom another vehicle. Remember, you maybe able to back out the way you came if youproceed with caution.
Mud and Water
Note:Driving through deep water maydamage the vehicle.
If you must drive through high water, driveslowly. Traction or brake capability may belimited.
When driving through water, determine thedepth and avoid water higher than thebottom of the hubs. If the ignition systemgets wet, your vehicle may stall.
Once through water, always try the brakes.Wet brakes do not stop your vehicle aseffectively as dry brakes. Drying can beimproved by applying light pressure to thebrake pedal when moving slowly.
Be cautious of sudden changes in vehiclespeed or direction when you are driving inmud. Even 4X4 vehicles can lose traction inslick mud. As when you are driving oversand, apply the accelerator slowly and avoidspinning your wheels. If the vehicle doesslide, steer in the direction of the slide untilyou regain control of the vehicle.
If the transmission, transfer case or front axleare submerged in water, their fluids shouldbe checked and changed, if necessary.
If the front or rear axle is submerged in water,the axle lubricant should be replaced.
After driving through mud, clean off residuestuck to rotating driveshafts and tires. Excessmud stuck on tires and rotating driveshaftscauses an imbalance that could damagedrive components.
Driving on Hilly or Sloping Terrain
Note:Avoid driving crosswise or turning onsteep slopes or hills.
Note: Avoid turning on steep slopes or hills. A danger lies in losing traction, slippingsideways and possible vehicle roll over. Whenever driving on a hill, determinebeforehand the route you will use. Do notdrive over the crest of a hill without seeingwhat conditions are on the other side. Donot drive in reverse over a hill without theaid of an observer.
Although natural obstacles may make itnecessary to travel diagonally up or down ahill or steep incline, you should always try todrive straight up or straight down.
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Four-Wheel Drive (If Equipped)

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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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.
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2. Leave the engine running until thecoolant temperature gauge needlereturns to the normal position. Afterseveral minutes, if the temperature doesnot drop, follow the remaining steps.
3. Switch the engine off and wait for it tocool. Check the coolant level.
4. If the coolant level is at or below theminimum mark, add prediluted coolantimmediately.
5. If the coolant level is normal, restart theengine and continue.
AUTOMATIC TRANSMISSION
FLUID CHECK
If required, have an authorized dealer checkand change the transmission fluid at thecorrect service interval. See ScheduledMaintenance (page 552).
The automatic transmission does not havea transmission fluid dipstick.
Refer to your scheduled maintenanceinformation for scheduled intervals for fluidchecks and changes. Your transmission doesnot consume fluid. However, if thetransmission slips, shifts slowly or if younotice a sign of leaking fluid, contact anauthorized dealer.
Do not use supplemental transmission fluidadditives, treatments or cleaning agents. Theuse of these materials may affecttransmission operation and result in damageto internal transmission components.
TRANSFER CASE FLUID CHECK (IF
EQUIPPED)
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CAPACITIES AND SPECIFICATIONS
Capacities
WARNING: The air conditioning refrigerant system contains refrigerant under high pressure. Only qualified personnel should servicethe air conditioning refrigerant system. Opening the air conditioning refrigerant system can cause personal injury.
CapacityItem
6.0 qt (5.7 L)Engine oil (with oil filter).
18.5 qt (17.5 L)Engine coolant (Base radiator with auxiliary rear heat).
18.0 qt (17 L)Engine coolant (Heavy duty trailer towing with auxiliary rear heat).
Between MIN and MAX on brake fluid reservoirBrake fluid.
1.8 qt (1.7 L)Front axle.
2.2 qt (2.1 L)1Rear axle.
13.1 qt (12.4 L)2Automatic transmission fluid.
1.6 qt (1.5 L) - 1.8 qt (1.7 L)Transfer case fluid (Four Wheel Drive with Electronic Shift on the Fly).
1.5 qt (1.4 L)Transfer case fluid (Four Wheel Drive with Torque on Demand).
Fill as requiredWindshield washer fluid.
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Capacities and Specifications

SpecificationName
WSS-M2C949-AAutomatic transmission fluid (U.S. and Mexico):MERCON® ULVMotorcraft® MERCON® ULV Automatic Transmission FluidXT-12-QULV
WSS-M2C949-AAutomatic transmission fluid (Canada):MERCON® ULVMotorcraft® MERCON® ULV Automatic Transmission FluidXT-12-QULVC
WSS-M2C942-AFront axle fluid:Motorcraft® SAE 75W-85 Hypoid Gear LubeXY-75W85-QL
WSS-M2C942-ARear axle fluid:Motorcraft® SAE 75W-85 Hypoid Gear LubeXY-75W85-QL
ESP-M2C166-HTransfer case fluid (Four Wheel Drive with Electronic Shift on the Fly) (U.S. and Mexico):Motorcraft® Transfer Case FluidXL-12
ESP-M2C166-HTransfer case fluid (Four Wheel Drive with Electronic Shift on the Fly) (Canada):Motorcraft® Transfer Case FluidCXL-12
WSS-M2C938-ATransfer case fluid (Four Wheel Drive with Torque on Demand) (U.S. and Mexico):MERCON® LVMotorcraft® Transfer Case FluidXT-10-QLVC
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Capacities and Specifications

We recommend Motorcraft® motor oil foryour vehicle. If Motorcraft® oil is not available,use motor oils of the recommended viscositygrade that meet API SN Plus requirementsand display the API Certification Mark forgasoline engines.
An oil that displays this symbol conforms tocurrent engine, emission system and fueleconomy performance standards of ILSAC.
Do not use supplemental engine oil additivesbecause they are unnecessary and couldlead to engine damage that your vehiclewarranty does not cover.
Note:We recommend DOT 4 Low Viscosity(LV) High Performance Brake Fluid orequivalent meeting WSS-M6C65-A2. Use ofany fluid other than the recommended fluidmay cause degraded brake performanceand not meet our performance standards.Keep brake fluid clean and dry.Contamination with dirt, water, petroleumproducts or other materials may result inbrake system damage and possible failure.
Note: Automatic transmissions that requireMERCON® LV transmission fluid should onlyuse MERCON® LV transmission fluid. Theuse of any other fluid may causetransmission damage.
Alternative Engine Oil for Extremely
Cold Climates
To improve engine cold start performance,we recommend that you use the followingalternative engine oil in extremely coldclimates, where the ambient temperaturereaches -22.0°F (-30°C) or below.
SpecificationName
WSS-M2C953-A1Motorcraft® SAE 0W-30 Premium Synthetic Blend Motor Oil:Engine oil - SAE 0W-30XO-0W30-QSP
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