2018 LINCOLN NAVIGATOR air filter

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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MaintenanceE146429

WASHER FLUID CHECK
WARNING: If you operate yourvehicle in temperatures below 41.0°F (5°C),use washer fluid with antifreeze protection.Failure to use washer fluid with antifreezeprotection in cold weather could result inimpaired windshield vision and increasethe risk of injury or accident.
Note:The front and rear washer systemsare supplied from the same reservoir.
Add fluid to fill the reservoir if the level is low.Only use a washer fluid that meets ourspecifications. See Capacities andSpecifications (page 422).
State or local regulations on volatile organiccompounds may restrict the use of methanol,a common windshield washer antifreezeadditive. Washer fluids containingnon-methanol antifreeze agents should beused only if they provide cold weatherprotection without damaging the vehicle’spaint finish, wiper blades or washer system.
FUEL FILTER
Your vehicle is equipped with a lifetime fuelfilter that is integrated with the fuel tank.Regular maintenance or replacement is notneeded.
CHANGING THE 12V BATTERY
WARNING: Batteries normallyproduce explosive gases which can causepersonal injury. Therefore, do not allowflames, sparks or lighted substances tocome near the battery. When working nearthe battery, always shield your face andprotect your eyes. Always provide correctventilation.
WARNING: When lifting aplastic-cased battery, excessive pressureon the end walls could cause acid to flowthrough the vent caps, resulting in personalinjury and damage to the vehicle or battery.Lift the battery with a battery carrier or withyour hands on opposite corners.
WARNING: Keep batteries out ofreach of children. Batteries contain sulfuricacid. Avoid contact with skin, eyes orclothing. Shield your eyes when workingnear the battery to protect against possiblesplashing of acid solution. In case of acidcontact with skin or eyes, flush immediatelywith water for a minimum of 15 minutes andget prompt medical attention. If acid isswallowed, call a physician immediately.
WARNING: Battery posts, terminalsand related accessories contain lead andlead compounds, chemicals known to theState of California to cause cancer andreproductive harm. Wash your hands afterhandling.
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Maintenance

CHANGING THE ENGINE AIR
FILTER
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.
Note: Failure to use the correct air filterelement may result in severe enginedamage. Resulting component damage maynot be covered by the vehicle Warranty.
When changing the air filter element, useonly the air filter element listed. SeeMotorcraft Parts (page 423).
Change the air filter element at the correctinterval. See Capacities and Specifications(page 422).
1. Release the two clamps that secure thecover to the air filter housing. Push theair filter cover toward the front of thevehicle and up slightly to release it.
2.Remove the air filter element from the airfilter housing.
3. Install the new air filter element.
4. Replace the air filter housing cover andsecure all the clamps. Be careful not tocrimp the filter element edges betweenthe air filter housing and cover andensure that you properly align the tabson the edge into the slots.
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MaintenanceE248801 E248800

•Do not allow wax to come in contact withany non-body (low-gloss black) coloredtrim. The wax will discolor or stain theparts over time.
•Roof racks.
•Bumpers.
•Grained door handles.
•Side moldings.
•Mirror housings.
•Windshield cowl area.
•Do not apply wax to glass areas.
•After waxing, your car's paint should feelsmooth, and be free of streaks andsmudges.
CLEANING THE ENGINE
Engines are more efficient when they areclean because grease and dirt buildup keepthe engine warmer than normal.
When washing:
•Take care when using a power washerto clean the engine. The high-pressurefluid could penetrate the sealed partsand cause damage.
•Do not spray a hot engine with cold waterto avoid cracking the engine block orother engine components.
•Spray Motorcraft Engine Shampoo andDegreaser on all parts that requirecleaning and pressure rinse clean. InCanada, use Motorcraft Engine Shampoo.
•Never wash or rinse the engine while itis hot or running; water in the runningengine may cause internal damage.
•Never wash or rinse any ignition coil,spark plug wire or spark plug well, or thearea in and around these locations.
•Cover the battery, power distribution box,and air filter assembly to prevent waterdamage when cleaning the engine.
CLEANING THE WINDOWS AND
WIPER BLADES
Car wash chemicals and environmentalfallout can result in windshield and wiperblade contamination. Dirty windshield andwipers will result in poor windshield wiperoperation. Keep the windshield and wiperblades clean to maintain windshield wiperperformance.
To clean the windshield and wiper blades:
•Clean the windshield with a non-abrasiveglass cleaner. When cleaning the interiorof the windshield, avoid getting any glasscleaner on the instrument panel or doorpanels. Wipe any glass cleaner off thesesurfaces immediately.
•For windshields contaminated with treesap, chemicals, wax or bugs, clean theentire windshield using steel wool (nogreater than 0000 grade) in a circularmotion and rinse with water.
•Clean the wiper blades with isopropylrubbing alcohol or windshield washerconcentrate.
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Vehicle Care

MOTORCRAFT PARTS
Part NumberComponent
FA-1883Air filter element.
FP-79Cabin air filter
FL-500-SOil filter.
BAGM-49H8Battery.
SP-550Spark plugs.
FT-202Transmission filter.
WW-2247Windshield wiper blade.
WW-1107Rear window wiper blade.
We recommend Motorcraft replacement parts available at your Lincoln dealer or at fordparts.com for scheduled maintenance. These partsmeet or exceed Lincoln Motor Company’s specifications and are engineered for your vehicle. Use of other parts may impact vehicle performance,emissions and durability. Your warranty may be void for any damage related to use of other parts.
If a Motorcraft oil filter is not available, use an oil filter that meets industry performance specification SAE/USCAR-36.
For spark plug replacement, contact an authorized dealer. Replace the spark plugs at the appropriate intervals. See Scheduled Maintenance(page 552).
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Capacities and Specifications

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

Check Every Six Months
Safety belts and seat latches for wear and function.
Safety warning lamps (brake, ABS, airbag and safety belt) for operation.
Washer spray and wiper operation. Clean or replace blades as necessary.
Multi-Point Inspection
In order to keep your vehicle running right,it is important to have the systems on yourvehicle checked regularly. This can helpidentify potential issues and prevent majorproblems. We recommend having thefollowing multi-point inspection performedat every scheduled maintenance interval tohelp make sure your vehicle keeps runninggreat.
Multi-Point Inspection
Hazard warning system operationAccessory drive belt(s)
Horn operationBattery performance
Radiator, cooler, heater and air conditioning hosesEngine air filter
Suspension components for leaks or damageExhaust system
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Scheduled Maintenance

Other Maintenance Items 1
Replace cabin air filter.Every 20,000 mi (32,000 km)
Replace engine air filter.Every 30,000 mi (48,000 km)
Replace spark plugs.
Every 100,000 mi (160,000 km)
Inspect accessory drive belt(s). 2
Change automatic transmission fluid.
Every 150,000 mi (240,000 km)
Change front axle fluid - Four-wheel drive vehicles.
Change rear axle fluid.
Change transfer case fluid - Four-wheel drive vehicles.
Replace accessory drive belt(s).
Change engine coolant - if your vehicles has yellow-colored coolant.3Every 200,000 mi (320,000 km)
1 Perform these maintenance items within 3,000 mi (4,800 km) of the last engine oil and filter change. Do not exceed the designated distancefor the interval.2 After initial inspection, inspect every other oil change until replaced.3 Initial replacement at ten years or 200,000 mi (320,000 km), then every five years or 100,000 mi (160,000 km).
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Scheduled Maintenance