2018 LINCOLN MKZ maintenance schedule

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Oil Life
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ENGINE COOLANT CHECK
WARNINGS
Never remove the coolant reservoircap when the engine is running or hot.
Do not put coolant in the windshieldwasher reservoir. If sprayed on thewindshield, coolant could make it difficult tosee through the windshield.
To reduce the risk of personal injury,make sure the engine is cool beforeunscrewing the coolant pressure relief cap.The cooling system is under pressure. Steamand hot liquid can come out forcefully whenyou loosen the cap slightly.
WARNINGS
Do not add coolant further than theMAX mark.
When the engine is cold, check theconcentration and level of the coolant at theintervals listed in the scheduled maintenanceinformation. See Scheduled Maintenance(page 509).
Note:Make sure that the coolant level isbetween the MIN and the MAX marks onthe coolant reservoir.
Note: Coolant expands when it is hot. Thelevel may extend beyond the MAX mark.
Maintain coolant concentration within 48%to 50%, which equates to a freeze pointbetween -30°F (-34°C) and -34°F (-37°C).Coolant concentration should be checkedusing a refractometer. We recommend,Robinair® Coolant and Battery Refractometer75240 (Rotunda tool part number:ROB75240). We do not recommend the useof hydrometers or coolant test strips formeasuring coolant concentration.
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Maintenance

If you tow a trailer with your vehicle, theengine may temporarily reach a highertemperature during severe operatingconditions, for example ascending a long orsteep grade in high ambient temperatures.
At this time, you may notice the coolanttemperature gauge moves toward the redzone and a message may appear in theinformation display.
You may notice a reduction in vehicle speedcaused by reduced engine power in orderto manage the engine coolant temperature. Your vehicle may enter this mode if certainhigh-temperature and high-load conditionstake place. The amount of speed reductiondepends on vehicle loading, grade andambient temperature. If this occurs, there isno need to pull off the road. You cancontinue to drive your vehicle.
The air conditioning may automatically turnon and off during severe operatingconditions to protect the engine fromoverheating. When the coolant temperaturedecreases to the normal operatingtemperature, the air conditioning turns on.
If the coolant temperature gauge moves fullyinto the red zone, or if the coolanttemperature warning or service engine soonmessages appear in your information display,do the following:
1. Pull off the road as soon as safelypossible and shift the transmission intopark (P).
2. Leave the engine running until thecoolant temperature gauge needlereturns to the normal position. If thetemperature does not drop after severalminutes, 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
6F35/HF35 transmission (If Equipped)
Note:Transmission fluid should be checkedby an authorized dealer. If required, fluidshould be added by an authorized dealer.
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, the fluid levelshould be checked if the transmission is notworking properly, (For example: if thetransmission slips or shifts slowly) or if younotice some sign of fluid leakage. SeeScheduled Maintenance (page 509).
Do not use supplemental transmission fluidadditives, treatments or cleaning agents. Theuse of these materials may affecttransmission operation and result in damageto internal transmission components.
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Maintenance

6F50/6F55 Transmission (If Equipped)
WARNINGS
The dipstick cap and surroundingcomponents may be hot; gloves arerecommended.
Use gloves when moving the air filterassembly. Components will be hot.
Note:Automatic transmission fluid expandswhen warmed. To obtain an accurate fluidcheck, drive the vehicle until it is warmed up(approximately 20 miles [30 kilometers]). Ifyour vehicle has been operated for anextended period at high speeds, in city trafficduring hot weather or pulling a trailer, thevehicle should be turned off until normaloperating temperatures are reached to allowthe fluid to cool before checking. Dependingon vehicle use, cooling times could take upto 30 minutes or longer.
Refer to your scheduled maintenanceinformation for scheduled intervals for fluidchecks and changes. Your transmission doesnot consume fluid. However, the fluid levelshould be checked if the transmission is notworking properly. For example, if thetransmission slips or shifts slowly or if younotice some sign of fluid leakage.
1.Drive the vehicle 20 miles (30 kilometers)or until it reaches normal operatingtemperature
2. Park the vehicle on a level surface andengage the parking brake.
3.With the parking brake engaged and yourfoot on the brake pedal, start the engineand move the gearshift lever through allof the gear ranges. Allow a minimum of10 seconds for each gear to engage.
4. Put the gearshift lever in P (Park) andleave the engine running.
Note:You will need to move the air filterassembly to access the transmissiondipstick.
5.Remove the dipstick, wiping it clean witha clean, dry lint free rag. If necessary,refer to Under hood overview in thischapter for the location of the dipstick.
6. Install the dipstick making sure it is fullyseated in the filler tube by turning it tothe locked position.
7.Remove the dipstick and inspect the fluidlevel. The fluid should be in thedesignated areas for normal operatingtemperature.
Moving the Air Filter Assembly (Accessingthe Dipstick)
WARNING
Do not run engine with the air filterdisconnected.
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Maintenance

WARNINGS
A fluid level between the MAX andMIN lines is within the normaloperating range and there is no need to addfluid. A fluid level not in the normal operatingrange could compromise the performanceof the system. Have your vehicle checkedimmediately.
To avoid fluid contamination, the reservoircap must remain in place and fully tight,unless you are adding fluid.
Only use fluid that meets Ford specifications.See Capacities and Specifications (page373).
WASHER FLUID CHECK
WARNING
If you operate your vehicle intemperatures below 41.0°F (5°C), usewasher fluid with antifreeze protection.Failure to use washer fluid with antifreezeprotection in cold weather could result inimpaired windshield vision and increase therisk 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 Fordspecifications. See Capacities andSpecifications (page 373).
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
2.0L Engines and 3.0L Engines withFWD
Your vehicle is equipped with a lifetime fuelfilter that is integrated with the fuel tank.Regular maintenance or replacement is notneeded.
3.0L Engines with AWD
The fuel filter on your vehicle must bereplaced at the specified service interval.See Scheduled Maintenance (page 509).
CHANGING THE 12V BATTERY
WARNINGS
Batteries normally produce explosivegases which can cause personal injury.Therefore, do not allow flames, sparks orlighted substances to come near the battery.When working near the battery, always shieldyour face and protect your eyes. Alwaysprovide correct ventilation.
When lifting a plastic-cased battery,excessive pressure on the end wallscould cause acid to flow through the ventcaps, resulting in personal injury and damageto the vehicle or battery. Lift the battery witha battery carrier or with your hands onopposite corners.
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Maintenance

CHANGING THE ENGINE AIR
FILTER
WARNING
Do not start the engine with the air filterremoved. This can cause damage notcovered by the vehicle Warranty and canresult in serious injury.
Only use the specified replacement air filter.See Capacities and Specifications (page373).
Change the air filter element at the correctinterval. See Scheduled Maintenance (page509).
When changing the engine air filter, do notallow debris or foreign material to enter theair induction system. The engine andturbocharger are susceptible to damage fromeven small particles.
Note:Failure to use the correct air filterelement may result in severe enginedamage. Resulting component damage maynot be covered by the vehicle Warranty.
1. Release the clamps that secure the airfilter cover to the housing.
2. Carefully lift the air filter housing cover.
3.Remove the air filter element from the airfilter housing.
4. Wipe any dirt or debris from the air filterhousing and cover to make sure no dirtgets in the engine and that you have agood seal.
5.Install a new air filter element. Be carefulnot to crimp the filter element edgesbetween the air filter housing and cover. This could cause filter damage and allowunfiltered air to enter the engine if it isnot properly seated.
6. Install the air filter housing cover.
7. Engage the clips to secure the air filterhousing cover to the air filter housing.
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MaintenanceE146427

•Avoid potholes and objects on theroad
•Do not run over curbs or hit the tireagainst a curb when parking
Highway Hazards
No matter how carefully you drive thereis always the possibility that you mayeventually have a flat tire on thehighway. Drive slowly to the closest safearea out of traffic. This may furtherdamage the flat tire, but your safety ismore important.
If you feel a sudden vibration or ridedisturbance while driving, or you suspectyour tire or vehicle has been damaged,immediately reduce your speed. Drivewith caution until you can safely pull offthe road. Stop and inspect the tires fordamage. If a tire is under-inflated ordamaged, deflate it, remove the wheeland replace it with your spare tire andwheel (if provided). If you cannot detecta cause, have the vehicle towed to the
nearest repair facility or tire dealer tohave the vehicle inspected.
Tire and Wheel Alignment
A bad jolt from hitting a curb or potholecan cause the front end of your vehicleto become misaligned or cause damageto your tires. If your vehicle seems topull to one side when you’re driving, thewheels may be out of alignment. Havean authorized dealer check the wheelalignment periodically.
Wheel misalignment in the front or therear can cause uneven and rapidtreadwear of your tires and should becorrected by an authorized dealer.Front-wheel drive vehicles and thosewith an independent rear suspension (ifequipped) may require alignment of allfour wheels.
The tires should also be balanced
periodically. An unbalanced tire andwheel assembly may result in irregulartire wear.
Tire Rotation
Note:If your tires show uneven wearask an authorized dealer to check forand correct any wheel misalignment,tire imbalance or mechanical probleminvolved before tire rotation.
Note:Your vehicle may be equippedwith a dissimilar spare wheel and tireassembly. A dissimilar spare wheel andtire assembly is defined as a sparewheel and tire assembly that is differentin brand, size or appearance from theroad tires and wheels. If you have adissimilar spare wheel and tire assemblyit is intended for temporary use only andshould not be used in a tire rotation.
Note:After having your tires rotated,inflation pressure must be checked and
adjusted to the vehicle requirements.
Rotating your tires at the recommendedinterval (as indicated in the ScheduledMaintenance chapter) will help your tireswear more evenly, providing better tireperformance and longer tire life.
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Wheels and Tires

Motorcraft part numberComponent
SP-537Spark plugs.
FP-71Cabin air filter.
WW-2200 (driver side)Windshield wiper blade.WW-1900 (passenger side)
We recommend Motorcraft® replacement parts available at your Lincoln dealer or at fordparts.com for scheduled maintenance. These partsmeet or exceed Ford 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 509).
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Capacities and Specifications

MOTORCRAFT PARTS - 3.0L
Motorcraft part numberComponent
FA-1912Air filter element
FL-2062Oil filter
BXT-94RH7-730Battery
SP-542Spark plugs
FP-71Cabin air filter
WW-2200 (driver side)Windshield wiper bladeWW-1900 (passenger side)
We recommend Motorcraft replacement parts available at your Lincoln dealer or at fordparts.com for scheduled maintenance. These partsmeet or exceed Ford 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 509).
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Capacities and Specifications