transmission LINCOLN MKZ 2019 Repair Manual

Engine Coolant TemperatureManagement (If Equipped)
WARNING: To reduce the risk of crashand injury, be prepared that the vehiclespeed may reduce and the vehicle may notbe able to accelerate with full power until thecoolant temperature reduces.
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 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.
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Maintenance

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 notproperly working. For example, if thetransmission slips or shifts slowly or if younotice some sign of fluid leakage. SeeScheduled Maintenance (page 504).
Do not use supplemental transmission fluidadditives, treatments or cleaning agents. Theuse of these materials may affecttransmission operation and result in damageto internal transmission components.
6F55 Transmission (If Equipped)
WARNING: The dipstick andsurrounding components are hot. Use gloveswhen moving components and checking thetransmission fluid level. Failure to follow thiswarning could result in serious personalinjury.
Note:Automatic transmission fluid expandswhen warmed. To obtain an accurate fluidcheck, drive the vehicle until it is warmed up(approximately 20 mph (30 km/h). If yourvehicle has been operated for an extendedperiod at high speeds, in city traffic duringhot weather or pulling a trailer, the vehicleshould be switched off until normal operatingtemperatures are reached to allow the fluidto cool before checking. Depending onvehicle use, cooling times could take up to30 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 mph (30 km/h) oruntil 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 park (P) 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.
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Maintenance

8.Rotate the air filter assembly 90 degreescounterclockwise and reinstall into therubber hose.
9. Tighten the clamp (A).
10. The transmission fluid level indicatorcan now be accessed.
Checking the fluid level
Low fluid level
If the fluid level is below the MIN range ofthe dipstick, add fluid to reach the hash marklevel.
Note:If the fluid level is below the MIN level,do not drive the vehicle. An underfillcondition may cause shift or engagementconcerns or possible damage.
Correct fluid level
The transmission fluid should be checked atnormal operating temperature 180°F-200°F(82°C-93°C) on a level surface. The normaloperating temperature can be reached afterapproximately 20 mph (30 km/h) of driving.
The transmission fluid level should betargeted within the cross-hatch area if atnormal operating temperature 180°F-200°F(82°C-93°C).
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High fluid level
If the fluid level is above the MAX range ofthe dipstick, remove fluid to reach thehashmark level.
Note:Fluid level above the MAX level maycause shift or engagement concerns orpossible damage. High fluid levels can becaused by an overheating condition. If yourvehicle has been operated for an extendedperiod at high speeds, in city traffic duringhot weather or pulling a trailer, the vehicleshould be switched off until normal operatingtemperatures are reached. Depending onvehicle use, cooling times could take up to30 minutes or longer.
Adjusting Automatic Transmission FluidLevels
Before adding any fluid, make sure thecorrect type is used. The type of fluid usedis normally indicated on the dipstick and alsoin the Technical Specifications section in thischapter.
Note:An overfill condition of transmissionfluid may cause shift or engagementconcerns or possible damage.
Do not use supplemental transmission fluidadditives, treatments or cleaning agents. Theuse of these materials may affecttransmission operation and result in damageto internal transmission components.Reinstall the air filter assembly. After the fluidlevel has been checked and adjusted asnecessary, do the following:
1. Shut the engine off.
2. Loosen the clamp holding the air filterassembly to the rubber hose.
3.Rotate the air filter assembly 90 degreesclockwise without disconnecting thesensor.
4.Seat the air filter assembly back into thegrommets by pushing down on the airfilter assembly.
5. Tighten the clamp.
6. Install and tighten two bolts that attachair filter assembly to the front of thevehicle.
7. Install the bolt cover (if equipped).
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Driving with a T-type Mini-spare or Full-sizeDissimilar Spare With Label on Wheel
Do not:
•Exceed 50 mph (80 km/h).
•Load the vehicle beyond maximumvehicle load rating listed on the SafetyCompliance Label.
•Tow a trailer.
•Use snow chains on the end of thevehicle with the dissimilar spare tire.
•Use more than one dissimilar spare tireat a time.
•Use commercial car washing equipment.
•Try to repair the dissimilar spare tire.
Use of the above dissimilar spare wheel atany one wheel location can lead toimpairment of the following:
•Handling, stability and brakingperformance.
•Comfort and noise.
•Ground clearance and parking at curbs.
•Winter weather driving capability.
•Wet weather driving capability.
•All-wheel driving capability, if applicable.
Driving With a Full-size Dissimilar SpareWheel and Tire Assembly
Do not:
•Exceed 70 mph (113 km/h).
•Use more than one dissimilar sparewheel and tire assembly at a time.
•Use commercial car washing equipment.
•Use snow chains on the end of thevehicle with the dissimilar spare wheeland tire assembly.
Use of the above dissimilar spare wheel atany one wheel location can lead toimpairment of the following:
•Handling, stability and brakingperformance.
•Comfort and noise.
•Ground clearance and parking at curbs.
•Winter weather driving capability.
•Wet weather driving capability.
•All-wheel driving capability.
Give additional caution to the following whendriving with the full-size dissimilar sparewheel and tire assembly:
•Towing a trailer.
•Driving vehicles equipped with a camperbody.
•Driving vehicles with a load on the cargorack.
Drive cautiously when using a full-sizedissimilar spare wheel and tire assembly andseek service as soon as possible.
Changing a Road Wheel Procedure
WARNING: When one of the frontwheels is off the ground, the transmissionalone will not prevent the vehicle frommoving or slipping off the jack, even if thetransmission is in park (P).
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Wheels and Tires

WARNING: To help prevent yourvehicle from moving when changing a wheel,shift the transmission into park (P), set theparking brake and use an appropriate blockor wheel chock to secure the wheeldiagonally opposite to the wheel beingchanged. For example, when changing thefront left wheel, place an appropriate blockor wheel chock on the right rear wheel.
WARNING: Do not work on yourvehicle when the jack is the only support. Ifthe vehicle slips off the jack, you or someoneelse could be seriously injured.
WARNING: Do not attempt to changea tire on the side of the vehicle close tomoving traffic. Pull far enough off the roadto avoid the danger of being hit whenoperating the jack or changing the wheel.
WARNING: Always use the jackprovided as original equipment with yourvehicle. If using a jack other than the oneprovided, make sure the jack capacity isadequate for the vehicle weight, includingany vehicle cargo or modifications. If you areunsure if the jack capacity is adequate,contact the authorized dealer.
Note:Passengers should not remain in yourvehicle when the vehicle is being jacked.
1. Park on a level surface, set the parkingbrake and activate the hazard flashers.
2. Place the transmission in park (P) andturn the engine off. For vehicles with amanual transmission, place thetransmission in reverse (R) after theengine is turned off.
3.Block both the front and rear of the wheeldiagonally opposite the flat tire. Forexample, if the left front tire is flat, blockthe right rear wheel.
4. Remove the carpeted wheel cover.
5. Remove the spare tire bolt securing thespare tire by turning it counterclockwise.
6.Remove the spare tire from the spare tirecompartment.
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TRANSMISSION CODE
DESIGNATION
The transmission code is on the SafetyCompliance Certification Label. Thefollowing table shows the transmission codealong with the transmission description.
CodeDescription
CSix-speed automatic transmission 6F55
WSix-speed automatic transmission 6F35
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Capacities and SpecificationsE167814

CAPACITIES AND SPECIFICATIONS - 2.0L
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.
Item
5.7 qt (5.4 L)Engine oil (with oil filter).
8.5 qt (8 L)Engine coolant.
Between MIN/MAX on brake fluid reservoirBrake fluid.
16.0–20.8 fl oz (473–615 ml)Rear differential fluid (All Wheel Drive).
15.2 fl oz (450 ml)1Power Transfer Unit fluid (All Wheel Drive).
9.0 qt (8.5 L)2Automatic transmission fluid.
Fill as requiredWindshield washer fluid.
16.5 gal (62.5 L)Fuel tank (Front Wheel Drive).
18.0 gal (68.1 L)Fuel tank (All Wheel Drive).
22 oz (0.62 kg)A/C refrigerant (U.S. and Canada).
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Capacities and Specifications

SpecificationName
CVC-3DIL-B
WSS-M6C65-A2Brake fluid:Motorcraft® DOT 4 Low Viscosity (LV) High Performance Motor Vehicle Brake FluidPM-20
WSP-M2C197-ARear differential fluid (All Wheel Drive) (U.S. and Mexico):Motorcraft® SAE 80W-90 Premium Rear Axle LubricantXY-80W90-QL
WSP-M2C197-ARear differential fluid (All Wheel Drive) (Canada):Motorcraft® SAE 80W-90 Premium Rear Axle LubricantCXY-80W90-1L
WSL-M2C192-APower Transfer Unit fluid (All Wheel Drive) (U.S. and Mexico)Motorcraft® SAE 75W-140 Synthetic Rear Axle LubricantXY-75W140-QL
WSL-M2C192-APower Transfer Unit fluid (All Wheel Drive) (Canada)Motorcraft® SAE 75W-140 Synthetic Rear Axle LubricantCXY-75W140-1L
WSS-M2C938-AAutomatic transmission fluid (U.S. and Mexico):MERCON LVMotorcraft® MERCON LV Automatic Transmission FluidXT-10-QLVC
WSS-M2C938-AAutomatic transmission fluid (Canada):MERCON LVMotorcraft® MERCON LV Automatic Transmission Fluid
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Capacities and Specifications

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 not covered by yourvehicle warranty.
Note:We recommend using DOT 4 LowViscosity (LV) High Performance Brake Fluidor equivalent meeting WSS-M6C65-A2. Useof any fluid other than the recommendedfluid may cause degraded brakeperformance and not meet our performancestandards. 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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Capacities and Specifications