engine LINCOLN NAUTILUS 2022 Repair Manual

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: Use only adequatelysized cables with insulated clamps.
WARNING: Make sure that the cablesare clear of any moving parts and fueldelivery system parts.
WARNING: Connect batteries withonly the same nominal voltage.
WARNING: If the engine is runningwhile the hood is open, stay clear ofmoving engine components. Failure tofollow this warning could result in seriouspersonal injury or death.
Do not attempt to push-start an automatictransmission vehicle. This could causetransmission damage.
Do not disconnect the battery of the disabledvehicle. This could damage your vehicle'selectrical system.
PREPARING THE VEHICLE
Use only a 12 volt supply to start your vehicle.
Park the booster vehicle close to the hoodof the disabled vehicle, making sure the twovehicles do not touch.
JUMP STARTING THE VEHICLE
Connecting the Jumper Cables
WARNING: Do not connect thenegative jumper cable to any other part ofyour vehicle. Use the ground point.
Note:If you are using a jump pack or boosterbox, follow the manufacturer's instructions.
1.Pull the red rubber boot backward.Connect the positive (+) jumper cable tothe positive (+) terminal of the dischargedbattery.
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2.Connect the other end of the positive (+)jumper cable to the positive (+) terminalof the booster vehicle battery.
3.Connect the negative (-) jumper cable tothe negative (-) terminal of the boostervehicle battery.
4.Make the final connection of the negative(-) jumper cable to an exposed metal partof the disabled vehicle's engine, asshown in the following illustration, awayfrom the battery and fuel injectionsystem, or connect the negative (-)jumper cable to a ground connectionpoint if available.
Note:Do not use the hood latch as anegative (-) connection point. This couldcause springs in the latch to burn andprevent the hood from operating correctly.
Starting the Engine
1.Start the engine of the booster vehicleand moderately rev the engine, or gentlypress the accelerator to keep the enginespeed between 2000 and 3000 RPM, asshown in your tachometer.
2.Start the engine of the disabled vehicle.
3.Once you start the disabled vehicle, runboth vehicle engines for an additionalthree minutes before disconnecting thejumper cables.
Removing the Jumper Cables
Remove the jumper cables in the reverseorder that they were connected.
Note:Do not switch the headlamps on whendisconnecting the cables. The peak voltagecould blow the bulbs.
POST-CRASH ALERT SYSTEM
WHAT IS THE POST-CRASH ALERTSYSTEM
The system helps draw attention to yourvehicle in the event of a serious impact.
HOW DOES THE POST-CRASH ALERTSYSTEM WORK
The system is designed to turn the hazardflashers on and to intermittently sound thehorn in the event of a serious impact thatdeploys an airbag or the seatbeltpretensioners.
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POST-CRASH ALERT SYSTEMLIMITATIONS
Depending on applicable laws in the countryyour vehicle was built for, the horn does notsound in the event of a serious impact.
SWITCHING THE POST-CRASH ALERTSYSTEM OFF
Press the hazard flasher switch or the unlockbutton on the remote control to switch thesystem off.
Note:The alert turns off when the vehiclebattery runs out of charge.
AUTOMATIC CRASH SHUTOFF
WHAT IS AUTOMATIC CRASHSHUTOFF
The automatic crash shutoff is designed tostop the fuel going to the engine in the eventof a moderate or severe crash.
Note:Not every impact causes a shutoff.
AUTOMATIC CRASH SHUTOFFPRECAUTIONS
WARNING: If your vehicle has beeninvolved in a crash, have the fuel systemchecked. Failure to follow this instructioncould result in fire, personal injury or death.
RE-ENABLING YOUR VEHICLE
1.Switch the ignition off.
2.Attempt to start your vehicle.
3.Switch the ignition off.
4.Attempt to start your vehicle.
Note:If your vehicle does not start after thethird attempt, have your vehicle checked assoon as possible.
TRANSPORTING THE VEHICLE
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Accessing the Under Hood Fuse Box -Bottom
1.Release the latches on both sides of thefuse box.
2.Raise the inboard side of the fuse boxfrom the cradle.
3.Move the fuse box toward the center ofthe engine compartment.
4.Pivot the outboard side of the fuse boxto access the bottom side.
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MAINTENANCE PRECAUTIONS
Service your vehicle 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. See Capacities andSpecifications (page 404).
•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.
•Set the parking brake, shift thetransmission to park (P) and block thewheels.
OPENING AND CLOSING THE
HOOD
Opening the Hood
1.Inside the vehicle, pull the hood releasehandle located under the left-hand sideof the instrument panel.
2.Slightly lift the hood.
3.Release the hood latch by pushing thesecondary release lever to your left-handside.
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Engine coolant reservoir. See Checking the Coolant (page 347).A
Engine oil dipstick. See Engine Oil Dipstick Overview (page 345).B
Engine oil filler cap. See Adding Engine Oil (page 346).C
Brake fluid reservoir. See Checking the Brake Fluid (page 220).D
Battery. See Changing the 12V Battery (page 353).E
Power distribution box. See Accessing the Under Hood Fuse Box (page 323).F
Air filter. See Changing the Engine Air Filter (page 351).G
Windshield washer fluid reservoir. See Adding Washer Fluid (page 120).H
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Engine coolant reservoir. See Checking the Coolant (page 347).A
Brake fluid reservoir. See Checking the Brake Fluid (page 220).B
Battery. See Changing the 12V Battery (page 353).C
Power distribution box. See Accessing the Under Hood Fuse Box (page 323).D
Air filter assembly. See Changing the Engine Air Filter (page 351).E
Engine oil dipstick. See Engine Oil Dipstick Overview (page 345).F
Engine oil filler cap. See Adding Engine Oil (page 346).G
Windshield washer fluid reservoir. See Adding Washer Fluid (page 120).H
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ENGINE OIL
ENGINE OIL DIPSTICK OVERVIEW -2.0L
Minimum.A
Nominal.B
Maximum.C
ENGINE OIL DIPSTICK OVERVIEW -2.7L
Minimum.A
Nominal.B
Maximum.C
CHECKING THE ENGINE OIL LEVEL
1.Make sure that your vehicle is on levelground.
2.Check the oil level before starting theengine, or switch the engine off afterwarming up and wait 10 minutes for theoil to drain into the oil pan.
3.Remove the dipstick and wipe it with aclean, lint-free cloth.
4.Reinstall the dipstick and make sure it isfully seated.
5.Remove the dipstick again to check theoil level.
Note:If the oil level is between the maximumand minimum marks, the oil level isacceptable. Do not add oil.
6.If the oil level is at the minimum mark,immediately add oil.
7.Reinstall the dipstick. Make sure it is fullyseated.
Note:The oil consumption of new enginesreaches its normal level after approximately3,000 mi (5,000 km).
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ADDING ENGINE OIL
WARNING: Do not remove the fillercap when the engine is running.
WARNING: Do not add engine oilwhen the engine is hot. Failure to followthis instruction could result in personalinjury.
Do not use supplemental engine oil additivesbecause they are unnecessary and couldlead to engine damage that the vehiclewarranty may not cover.
1.Clean the area surrounding the engineoil filler cap before you remove it.
2.Remove the engine oil filler cap.
3.Add engine oil that meets ourspecifications. See Capacities andSpecifications (page 404).
4.Reinstall 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:Immediately soak up any oil spillagewith an absorbent cloth.
RESETTING THE ENGINE OIL CHANGEREMINDER
Use the information display controls on thesteering wheel to reset the oil changeindicator.
From the main menu scroll to:
Action and descriptionMessage
Press the right arrow button,then from this menu scroll tothe following message.
Settings
Press the right arrow button,then from this menu scroll tothe following message.
Vehicle
Press the right arrow button,then from this menu scroll tothe following message.
Oil Life
Action and descriptionMessage
Press and hold the OK buttonuntil the instrument clusterdisplays the followingmessage.
Hold OK toReset
Reset Successful
When the oil change indicatorresets the instrument clusterdisplays 100%.
Remaining Life
{00}%
If the instrument clusterdisplays one of the followingmessages, repeat theprocess.
Not Reset
Reset Cancelled
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ENGINE OIL CAPACITY ANDSPECIFICATION
For filling information, please refer to theCapacities and Specifications section of yourowner's manual. See Engine Oil Capacityand Specification (page 410).
CHECKING THE COOLANT
When the engine is cold, check theconcentration and level of the coolant at theintervals listed in the scheduled maintenanceinformation. See Scheduled Maintenance(page 463).
Note:Make sure that the coolant level isbetween the minimum and maximum markson the coolant reservoir.
Note: Coolant expands when it is hot. Thelevel may extend beyond the MAX mark.
If the coolant level is at or below theminimum mark, add prediluted coolantimmediately.
Maintain coolant concentration within 48%to 50%, which equates to a freeze pointbetween -29°F (-34°C) and -35°F (-37°C).Coolant concentration should be checkedusing a refractometer. We do not recommendthe use of hydrometers or coolant test stripsfor measuring coolant concentration.
Adding Coolant
WARNING: Keep your hands andclothing clear of the cooling fan.
WARNING: Do not remove thecoolant reservoir cap when the engine ison or the cooling system is hot. Wait 10minutes for the cooling system to cooldown. Cover the coolant reservoir cap witha thick cloth to prevent the possibility ofscalding and slowly remove the cap.Failure to follow this instruction could resultin personal injury.
WARNING: Do not add enginecoolant when the engine is on or thecooling system is hot. Failure to follow thisinstruction could result in personal injury.
WARNING: Do not add coolantfurther than the MAX mark.
WARNING: Do not put coolant in thewindshield washer reservoir. If sprayed onthe windshield, coolant could make itdifficult to see through the windshield.
WARNING: Do not allow the fluid totouch your skin or eyes. If this happens,rinse the affected areas immediately withplenty of water and contact your physician.
Note: Do not use stop leak pellets, coolingsystem sealants, or non-specified additivesas they can cause damage to the enginecooling or heating systems. Resultingcomponent damage may not be covered bythe vehicle Warranty.
Note:Automotive fluids are notinterchangeable.
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