engine LINCOLN NAVIGATOR 2023 Service Manual

BRAKE PRECAUTIONS
Wet brakes result in reduced brakingefficiency. Gently press the brake pedal afew times when leaving a car wash or drivingfrom standing water to dry the brakes.
Note:Depending on applicable laws andregulations in the country where your vehiclewas originally built, the stoplamps could flashduring heavy braking. The hazard warningflashers could also turn on when your vehiclecomes to a stop.
ANTI-LOCK BRAKING SYSTEM
ANTI-LOCK BRAKING SYSTEMLIMITATIONS
The anti-lock braking system does noteliminate the risk of crash when:
•You drive too closely to the vehicle infront of you.
•Your vehicle is hydroplaning.
•You take corners too fast.
•The road surface is poor.
Note: If the system activates, the brakepedal could pulse and travel further. Maintain pressure on the brake pedal.
BRAKE OVER ACCELERATOR
In the event the accelerator pedal becomesstuck or entrapped, apply steady and firmpressure to the brake pedal to slow thevehicle and reduce engine power. If youexperience this condition, apply the brakesand bring your vehicle to a safe stop. Movethe transmission to park (P), switch theengine off and apply the parking brake.Inspect the accelerator pedal for anyinterference. If none are found and thecondition persists, have your vehicle towedto the nearest authorized dealer.
LOCATING THE BRAKE FLUID
RESERVOIR
See Under Hood Overview (page 415).
CHECKING THE BRAKE FLUID
WARNING: Do not use any fluid otherthan the recommended brake fluid as thiswill reduce brake efficiency. Use ofincorrect fluid could result in the loss ofvehicle control, serious personal injury ordeath.
WARNING: Only use brake fluid froma sealed container. Contamination with dirt,water, petroleum products or othermaterials may result in brake systemdamage or failure. Failure to adhere to thiswarning could result in the loss of vehiclecontrol, serious personal injury or death.
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.
WARNING: The brake system couldbe affected if the brake fluid level is belowthe MIN mark or above the MAX mark onthe brake fluid reservoir.
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WHAT IS THE ELECTRIC PARKING
BRAKE
The electric parking brake is used to holdyour vehicle on slopes and flat roads.
APPLYING THE ELECTRIC
PARKING BRAKE
WARNING: Always fully apply theparking brake. Failure to follow thisinstruction could result in personal injuryor death.
WARNING: If you drive extendeddistances with the parking brake applied,you could cause damage to the brakesystem.
The electric parking brake switchis on the center console.
Pull the switch up to apply the electricparking brake. The red warning lamp flashes,then steadily illuminates when the parkingbrake is applied.
Note:You can apply the electric parkingbrake when the ignition is off.
Note:The electric parking brake could applywhen park (P) is selected. See Park (P) (page220).
APPLYING THE ELECTRIC
PARKING BRAKE IN AN
EMERGENCY
You can use the electric parking brake toslow or stop your vehicle in an emergency.
Pull the switch up and hold it.
The red warning lamp illuminates, a tonesounds and the stoplamps turn on when youuse the electric parking brake in anemergency.
The electric parking brake continues to slowyour vehicle down unless you release theswitch.
Note:Do not apply the electric parking brakewhen your vehicle is moving, except in anemergency. If you repeatedly use the electricparking brake to slow or stop your vehicle,you could cause damage to the brakesystem.
MANUALLY RELEASING THE
ELECTRIC PARKING BRAKE
1.Switch the ignition on.
2.Press and hold the brake pedal.
3.Push the switch down.
The red warning lamp turns off.
Pulling Away on a Hill When Towing aTrailer
1.Press and hold the brake pedal.
2.Pull the switch upward and hold it.
3.Shift into gear.
4.Press the accelerator pedal until enginehas developed sufficient torque toprevent your vehicle from rolling downthe hill.
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WHAT IS TRACTION CONTROL
The traction control system helps to avoiddrive wheel spin and loss of traction.
HOW DOES TRACTION CONTROL
WORK
If your wheels begin to spin, the loss oftraction can compromise steering controland stability of the vehicle. The tractioncontrol system applies the brakes toindividual wheels and when needed, reducesengine power at the same time to increasetraction.
SWITCHING TRACTION CONTROL
ON AND OFF
WARNING: Operating your vehiclewith the traction control disabled couldlead to an increased risk of loss of vehiclecontrol, vehicle rollover, personal injuryand death.
The system turns traction control and stabilitycontrol on each time you power on yourvehicle.
1.Press Features on the touchscreen.
2.Press Driver Assistance.
3.Switch Traction Control on or off.
Note:When you switch traction control off,a message and an illuminated icon appearon the information display.
Turn the system back on to return to normaloperation.
If your vehicle is stuck in mud or snow,switching traction control off may bebeneficial as this allows the wheels to spin.
Note:When you switch traction control off,stability control remains fully active.
Your vehicle could have MyKey restrictionsregarding this feature. See ConfigurableMyKey Settings (page 82).
TRACTION CONTROL INDICATOR
Stability and Traction Control Indicator
If the indicator does not illuminatewhen you switch the ignition on,or remains on when the engine isrunning, this indicates a malfunction. Haveyour vehicle checked by an authorizeddealer as soon as possible.
The traction control off indicatorilluminates when you switch thetraction control system off, or whenan alternative stability control mode isselected that requires the traction control offdepending on the drive mode selected.
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HOW DOES STABILITY CONTROL
WORK
WARNING: Vehicle modificationsinvolving braking system, aftermarket roofracks, suspension, steering system, tireconstruction and wheel and tire size maychange the handling characteristics of yourvehicle and may adversely affect theperformance of the electronic stabilitycontrol system. In addition, installing anystereo speakers may interfere with andadversely affect the electronic stabilitycontrol system. Reducing the effectivenessof the electronic stability control systemcould lead to an increased risk of loss ofvehicle control, vehicle rollover, personalinjury and death.
WARNING: Remember that evenadvanced technology cannot defy the lawsof physics. It's always possible to losecontrol of a vehicle due to inappropriatedriver input for the conditions. Aggressivedriving on any road condition can causeyou to lose control of your vehicle
increasing the risk of personal injury orproperty damage. Activation of theelectronic stability control system is anindication that at least some of the tireshave exceeded their ability to grip theroad; this could reduce the operator'sability to control the vehicle potentiallyresulting in a loss of vehicle control, vehiclerollover, personal injury and death.
WARNING: You are responsible forcontrolling your vehicle at all times. Thesystem is designed to be an aid and doesnot relieve you of your responsibility todrive with due care and attention. Failureto follow this instruction could result in theloss of control of your vehicle, personalinjury or death.
If a driving condition activates either thestability control or traction control you mayexperience the following conditions:
•The stability and traction control lightflashes.
•Your vehicle slows down.
•Reduced engine power.
The stability control system has severalfeatures built into it to help you maintaincontrol of your vehicle:
Electronic Stability Control
Electronic stability control enhances yourvehicle’s ability to prevent skids or lateralslides by applying brakes to one or more ofthe wheels individually and, if necessary,reducing engine power.
Roll Stability Control
Roll stability control enhances your vehicle’sability to prevent rollovers by detecting yourvehicle’s roll motion and the rate at which itchanges by applying the brakes to one ormore wheels individually.
Curve Control
Curve control enhances your vehicle’s abilityto follow the road when cornering severelyor avoiding objects in the roadway. Curvecontrol operates by reducing engine powerand, if necessary, applying brakes to one ormore of the wheels individually.
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TOWING A TRAILER PRECAUTIONS
WARNING: Do not exceed theGVWR or the GAWR specified on thecertification label.
WARNING: Towing trailersbeyond the maximum recommendedgross trailer weight exceeds the limitof your vehicle and could result inengine damage, transmission damage,structural damage, loss of vehiclecontrol, vehicle rollover and personalinjury.
WARNING: Do not exceed thelowest rating capacity for your vehicleor trailer hitch. Overloading yourvehicle or trailer hitch can impair yourvehicle stability and handling. Failureto follow this instruction could resultin the loss of control of your vehicle,personal injury or death.
WARNING: Make sure that thevertical load on the tow ball is betweenthe minimum and maximumrecommended weight at all times.Failure to follow this instruction couldresult in the loss of control of yourvehicle, personal injury or death.
WARNING: Do not cut, drill, weldor modify the trailer hitch. Modifyingthe trailer hitch could reduce the hitchrating.
WARNING: The anti-lock brakesystem does not control the trailerbrakes.
TRAILER BRAKE PRECAUTIONS
WARNING: Do not connect a trailer'shydraulic brake system directly to yourvehicle's brake system. Your vehicle maynot have enough braking power and yourchances of having a collision greatlyincrease.
WARNING: Do not tow a trailer fittedwith electric trailer brakes unless yourvehicle is fitted with a compatibleaftermarket electronic trailer brakecontroller. Failure to follow this instructioncould result in the loss of control of yourvehicle, personal injury or death. Foradditional information and assistance, werecommend that you contact an authorizeddealer.
Electric brakes and manual, automatic orsurge-type trailer brakes are safe if you installthem properly and adjust them to themanufacturer's specifications. The trailerbrakes must meet local and federalregulations.
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The rating for the tow vehicle's brakingsystem operation is at the gross vehicleweight rating, not the gross combined weightrating.
Certain states require functioning trailerbrakes for trailers over a specified weight.Be sure to check state regulations for thisspecified weight.
Ford Motor Company recommends separatefunctioning brake systems for trailersweighing more than 1,500 lb (680 kg) whenloaded.
TOWING A TRAILER LIMITATIONS
The vehicle's load capacity designationis by weight, not by volume, so youcannot necessarily use all availablespace when loading a vehicle or trailer.
Note:Your vehicle could have reducedperformance when operating at highaltitudes and when heavily loaded ortowing a trailer. When driving atelevation, to match driving performanceas perceived at sea level, reduce grossvehicle weight and gross combinationweight by 2% per 1,000 ft (300 m)elevation.
LOADING YOUR TRAILER
To help minimize how trailer movementaffects your vehicle when driving:
•Load the heaviest items closest tothe trailer floor.
•Load the heaviest items centeredbetween the left and right side trailertires.
•Load the heaviest items above thetrailer axles or just slightly forwardtoward the trailer tongue. Do notallow the final trailer tongue weightto go above or below 10-15% of theloaded trailer weight. The trailertongue weight should never exceed10% of the maximum towing capacity.
•Select a ball mount with the correctrise or drop. When both the loadedvehicle and trailer are connected, thetrailer frame should be level, orslightly angled down toward yourvehicle, when viewed from the side.
TRAILER TOWING HINTS
Towing a trailer places an extra load on yourvehicle's engine, transmission, axle, brakes,tires and suspension. Periodically inspectthese components during and after anytowing operation.
When driving with a trailer or payload, a slighttakeoff vibration or shudder may be presentdue to the increased payload weight.
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Your vehicle may have a temporary orconventional spare tire. A temporary sparetire is different in diameter or width,tread-type, or is from a different manufacturerthan the road tires on your vehicle. Consultinformation on the tire label or SafetyCompliance label for limitations when using.
When towing a trailer:
•Obey country specific regulations fortowing a trailer.
•Do not drive faster than 70 mph(113 km/h) during the first 500 mi(800 km).
•Do not make full-throttle starts.
•Check your hitch, electrical connectionsand trailer wheel lug nuts thoroughly afteryou have traveled 50 mi (80 km).
•When stopped in congested or heavytraffic during hot weather, place thetransmission in park (P) to aid engine andtransmission cooling and to help A/Cperformance.
•Turn off the speed control with heavyloads or in hilly terrain. The speed controlmay turn off when you are towing onlong, steep slopes.
•Shift to a lower gear when driving downa long or steep hill. Do not continuouslyapply the brakes, as they may overheatand become less effective.
•If your transmission has Grade Assist orTow/Haul, use this feature when towing.This provides engine braking and helpseliminate excessive transmission shiftingfor optimum fuel economy andtransmission cooling.
•Your vehicle has AdvanceTrac with rollstability control. When towing a trailer,additional loads could cause theAdvanceTrac system to engage duringcornering maneuvers. Reduce corneringspeeds to make sure that you canmaintain control of the vehicle and trailerif the AdvanceTrac system engages.
•Allow more distance for stopping with atrailer attached. Anticipate stops andgradually brake.
•Avoid parking on a slope. However, ifyou must park on a slope, turn thesteering wheel to point your vehicle tiresaway from traffic flow, set the parkingbrake, place the transmission in park (P)and place wheel chocks in front and backof the trailer wheels.
Note:Chocks are not included with yourvehicle.
LAUNCHING OR RETRIEVING A
BOAT OR PERSONAL
WATERCRAFT
When backing down a ramp during boatlaunching or retrieval:
•Do not allow the static water level to riseabove the bottom edge of the rearbumper.
•Do not allow waves to break higher than6 in (15 cm) above the bottom edge ofthe rear bumper.
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3.When you plug in a trailer with electric orelectric-over-hydraulic brakes, a messageconfirming connection appears in theinformation display.
4.Use the gain adjustment to find thedesired starting point. A gain setting of6.0 is a good starting point for heavierloads.
Note:Use the following steps to adjust thegain setting whenever road, weather andtrailer, or vehicle loading conditions, changefrom when you initially set the gain.
5.In a traffic-free environment, tow thetrailer on a dry, level surface and squeezethe manual control lever completely.
6.If the trailer wheels lock up, indicated bysquealing tires, reduce the gain setting.If the trailer wheels turn freely, increasethe gain setting. Repeat Steps 5 and 6until the gain setting is at a point justbelow trailer wheel lock-up. If towing aheavier trailer, trailer wheel lock-up maynot be attainable even with the maximumgain setting of 10.
Note:Only perform this procedure at speedsof approximately 20–25 mph (30–40 km/h).
Note:The trailer brake controller reducesoutput at vehicle speeds below 11 mph(18 km/h) so that trailer and vehicle brakingis not jerky or harsh. This feature is onlyavailable when applying the brakes usingyour vehicle's brake pedal, not the controller.
Note:Your vehicle's brake system and thetrailer brake system work independently ofeach other. Changing the gain setting on thecontroller does not affect the operation ofyour vehicle's brakes whether you attach atrailer or not.
Note:With the proper electrical connection,pressing your vehicle brake pedal or usingthe manual control lever illuminates bothtrailer and vehicle brake lamps.
Note:When you switch the engine off, thecontroller output is disabled and the displayand module shut down. The controllermodule and display turn on when you switchthe ignition on.
Adjusting the Trailer Brake Gain
Increase or decrease the amountof gain in set increments.A
Slide the control to engage thetrailer brakes.B
Note:Adjust gain setting before using thetrailer brake controller for the first time.
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HOW DOES TRAILER SWAY
CONTROL WORK
The system applies the brakes to theindividual wheels and reduces engine torqueto aid vehicle stability.
If the trailer begins to sway, the stabilitycontrol lamp flashes and the message TrailerSway Reduce Speed appears in theinformation display.
Stop your vehicle as soon as it is safe to doso. Check the vertical weight on the tow balland trailer load distribution.
TRAILER SWAY CONTROL
PRECAUTIONS
WARNING: Turning off trailer swaycontrol increases the risk of loss of vehiclecontrol, serious injury or death. Ford doesnot recommend disabling this featureexcept in situations where speed reductionmay be detrimental (such as hill climbing),the driver has significant trailer towingexperience, and can control trailer swayand maintain safe operation.
Note:This feature only activates whensignificant trailer sway occurs.
Note:This feature does not prevent trailersway, but reduces it once it begins.
Note:This feature cannot stop all trailersfrom swaying.
Note:In some cases, if vehicle speed is toohigh, the system may activate multiple times,gradually reducing vehicle speed.
SWITCHING TRAILER SWAY
CONTROL ON AND OFF
1.Press Features on the touchscreen.
2.Press Towing.
3.Switch Trailer Sway Control on or off.
The system turns on each time you start yourvehicle.
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COLD WEATHER PRECAUTIONS
The functional operation of somecomponents and systems can be affected attemperatures below approximately -13°F(-25°C).
DRIVING ON SNOW AND ICE
WARNING: If you are driving inslippery conditions that require tire chainsor cables, then it is critical that you drivecautiously. Keep speeds down, allow forlonger stopping distances and avoidaggressive steering to reduce the chancesof a loss of vehicle control which can leadto serious injury or death. If the rear endof your vehicle slides while cornering, steerin the direction of the slide until you regaincontrol of your vehicle.
On ice and snow, you should drive moreslowly than usual. Your vehicle has a fourwheel anti-lock brake system, do not pumpthe brake pedal. See Anti-Lock BrakingSystem Limitations (page 232).
BREAKING-IN
Your vehicle requires a break-in period. Forthe first 1,000 mi (1,600 km), avoid driving athigh speeds, heavy braking, aggressiveshifting or using your vehicle to tow. Duringthis time, your vehicle may exhibit someunusual driving characteristics.
DRIVING ECONOMICALLY
The following helps to improve fuelconsumption:
•Drive smoothly, accelerate gently andanticipate the road ahead to avoid heavybraking.
•Regularly check your tire pressures andmake sure that they are inflated to thecorrect pressure.
•Follow the recommended maintenanceschedule and carry out therecommended checks.
•Plan your journey and check the trafficbefore you set off. It is more efficient tocombine errands into a single tripwhenever possible.
•Avoid idling the engine in cold weatheror for extended periods. Start the engineonly when you are ready to set off.
•Do not carry unnecessary weight in yourvehicle as extra weight wastes fuel.
•Do not add unnecessary accessories tothe exterior of your vehicle, for examplerunning boards. If you use a roof rack,remember to fold it down or remove itwhen not in use.
•Do not shift into neutral when you arebraking or when your vehicle is slowingdown.
•Shut all windows when driving at highspeeds.
•Switch off all electric systems when notin use, for example air conditioning. Makesure that you unplug any accessoriesfrom the auxiliary power points when notin use.
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