wheel size FORD EXPLORER 2023 Owners Manual

4WD
ActionMessage
The four wheel drive system has automatically disabled itself dueto the system overheating.4WD TemporarilyDisabled
The four wheel drive system is locking up the torque transfer clutchto help reduce clutch temperature.4WD TemporarilyLocked
Displays when the system automatically disables to protect itself.This may be caused by operating the vehicle with a mini spare tireinstalled, if the system detects dissimilar size tires, or if there is anissue with another vehicle system preventing 4WD operation. Thesystem resumes normal operation and clears this message afteryou cycle the ignition on and off and drive a short distance with theroad tire re-installed or after the other vehicle system issues areresolved.
4WD Off
Displays after the system cools and the four wheel drive systemresumes normal function.4WD Restored
The four wheel drive system is not operating properly and thepowertrain fault indicator illuminates. If the warning stays illumin-ated or continues to illuminate, contact an authorized dealer assoon as possible.
4WD Fault ServiceRequired
Displayed when the transfer case fluid requires service.Change 4WDPower TransferUnit Lube
Displayed when the transfer case fluid has been changed and resetto new.4WD PowerTransfer Unit LubeSet to New
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PRINCIPLE OF OPERATION
This system is a proactive system. It hasthe ability to anticipate wheel slip andtransfer torque to the front wheels beforeslip occurs. Even when wheel slip is notpresent, the system is continuouslyadjusting to the torque distribution, in anattempt to improve straight line andcornering behavior, both on and off road.
The system automatically turns on everytime you switch the ignition on.
If any component requires maintenance,a message appears in the informationdisplay.
USING FOUR-WHEEL DRIVE
WARNING: Vehicles with a highercenter of gravity (utility and four-wheeldrive vehicles) handle differently thanvehicles with a lower center of gravity(passenger cars). Avoid sharp turns,excessive speed and abrupt steering inthese vehicles. Failure to drive cautiouslyincreases the risk of losing control of yourvehicle, vehicle rollover, personal injuryand death.
The intelligent 4WD system continuouslymonitors vehicle conditions and adjuststhe power distribution between the frontand rear wheels. It combines transparentall-surface operation with highly capablefour-wheel drive.
The 4WD system is always active andrequires no driver input. It is capable ofhandling all road conditions includingstreet and highway driving as well asoff-road and winter driving. You canoptimize more 4WD control by selectingdifferent drive modes. See Selecting aDrive Mode (page 273).
Note:A warning message displays in theinformation display when a 4WD systemfault is present. See InformationMessages (page 119). A 4WD system faultcauses the 4WD system to default torear-wheel drive only mode. When thiswarning message is displayed, have yourvehicle serviced at an authorized dealer.
Note:A warning message displays in theinformation display if the 4WD systemoverheats. See Information Messages(page 119). This condition could occur if thevehicle is operated in extreme conditionswith excessive wheel slip, such as deepsand. To resume normal 4WD function assoon as possible, stop the vehicle in a safelocation and stop the engine for at least 10minutes. After the engine is restarted andthe 4WD system is adequately cooled, thewarning message turns off and normal 4WDfunction returns.
Operating Four-Wheel Drive (4WD)Vehicles With Spare Tires
Do not use a different size spare tire otherthan the tire provided. If the mini-spare tireis installed, the 4WD system will disableand enter rear-wheel drive only mode toprotect driveline components. Somelimited 4WD traction could be provided ifthe mini-spare is installed on one of thefront wheels. If you are in driving conditionswhere limited 4WD traction is neededwhile the mini-spare is installed, it isrecommended the mini-spare be installedon the front axle. See InformationMessages (page 119).
If the mini-spare is installed, this conditionis indicated by a warning in the informationdisplay. If there is a warning message inthe information display from using thespare tire, this indicator should turn offafter reinstalling or replacing the normalroad tire and cycling the ignition off andon. We recommended reinstalling or
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replacing the normal road tire as soon aspossible. Major dissimilar tire sizesbetween the front and rear axles couldcause the 4WD system to stop functioningand default to rear-wheel drive or damagethe 4WD system.
The slip response system could activate ifthe mini spare is installed on the frontwheels. If the mini spare was installed onthe rear wheels the slip response systemwill fully disable. In situations where thereis a wintery mix or an off road situation,and you need to use a mini spare, you mustinstall the mini spare in the front tireposition and move a full size tire to the reartire position for the slip response systemto function.
Operating Four-Wheel drive (4WD)Vehicles with Mismatched Tires
WARNING: Only use replacementtires and wheels that are the same size,load index, speed rating and type (suchas P-metric versus LT-metric orall-season versus all-terrain) as thoseoriginally provided by Ford. Therecommended tire and wheel size maybe found on either the SafetyCompliance Certification Label (affixedto either the door hinge pillar, door-latchpost, or the door edge that meets thedoor-latch post, next to the driver'sseating position), or the Tire Label whichis located on the B-Pillar or edge of thedriver's door. If this information is notfound on these labels, then you shouldcontact your authorized dealer as soonas possible. Use of any tire or wheel notrecommended by Ford can affect thesafety and performance of your vehicle,which could result in an increased risk ofloss of vehicle control, vehicle rollover,personal injury and death.
Major dissimilar tire sizes between the frontand rear axles (for example, 17 inch lowprofile tires on the front axle and 22 inchhigh profile tires on the rear axle) couldcause the 4WD system to stop functioningand default to rear-wheel drive or damagethe 4WD system.
For optimum 4WD Performance, it isrecommended to follow the tire rotationmaintenance schedule. To avoid potential4WD malfunction or 4WD system damage,it is recommended to replace all four tiresrather than mixing significantly worn tireswith new tires. For example, using 3 worntread tires and 1 new tread tire all of thesame original tire size/brand, can betolerated by the 4WD system as long asthe worn tires still have usable tread depth.
How Your Vehicle Differs fromOther Vehicles
Truck and utility vehicles can differ fromsome other vehicles. Your vehicle could behigher to allow it to travel over roughterrain without getting hung up ordamaging underbody components.
The differences that make your vehicle soversatile also make it handle differentlythan an ordinary passenger car.
Maintain steering wheel control at alltimes, especially in rough terrain. Sincesudden changes in terrain can result inabrupt steering wheel motion, make sureyou grip the steering wheel from theoutside. Do not grip the spokes.
Drive cautiously to avoid vehicle damagefrom concealed objects such as rocks andstumps.
You should either know the terrain orexamine maps of the area before driving.Map out your route before driving in thearea. To maintain steering and brakingcontrol of your vehicle, you must have allfour wheels on the ground and they mustbe rolling, not sliding or spinning.
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2023 Explorer (CTW) Canada/United States of America, enUSA, Edition date: 202209, First-PrintingFour-Wheel Drive (If Equipped)

PRINCIPLE OF OPERATION
WARNING: Vehicle modificationsinvolving braking system, aftermarketroof racks, suspension, steering system,tire construction and wheel and tire sizemay change the handling characteristicsof your vehicle and may adversely affectthe performance of the electronicstability control system. In addition,installing any stereo loudspeakers mayinterfere with and adversely affect theelectronic stability control system. Installany aftermarket stereo loudspeaker asfar as possible from the front centerconsole, the tunnel, and the front seatsin order to minimize the risk of interferingwith the electronic stability controlsensors. Reducing the effectiveness ofthe 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 thelaws of physics. It’s always possible tolose control of a vehicle due toinappropriate driver input for theconditions. Aggressive driving on anyroad condition can cause you to losecontrol of your vehicle increasing the riskof personal injury or property damage.Activation of the electronic stabilitycontrol system is an indication that atleast some of the tires have exceededtheir ability to grip the road; this couldreduce the operator’s ability to controlthe vehicle potentially resulting in a lossof vehicle control, vehicle rollover,personal injury and death. If yourelectronic stability control systemactivates, SLOW DOWN.
The system automatically turns on eachtime you switch the ignition on.
If a driving condition activates either thestability control or the traction controlsystem you may experience the followingconditions:
•The stability and traction control lightflashes.
•Your vehicle slows down.
•Reduced engine power.
•A vibration in the brake pedal.
•The brake pedal is stiffer than usual.
•If the driving condition is severe andyour foot is not on the brake, the brakepedal may move as the systemsapplies higher brake forces.
The stability control system has severalfeatures built into it to help you maintaincontrol of your vehicle:
Electronic Stability Control
The system enhances your vehicle’s abilityto prevent skids or lateral slides byapplying brakes to one or more of thewheels individually and, if necessary,reducing engine power.
Roll Stability Control
The system enhances your vehicle’s abilityto prevent rollovers by detecting yourvehicle’s roll motion and the rate at whichit changes by applying the brakes to oneor more wheels individually.
Curve Control
The system 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 oneor more of the wheels individually.
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GENERAL INFORMATION
The recommended tire inflation pressuresare found on the Tire Label which islocated on the B-pillar or the edge of thedriver door. This information can also befound on the Safety ComplianceCertification Label, affixed to either thedoor hinge pillar, door-latch post, or thedoor edge that meets the door-latch post,next to the driver’s seating position.
We strongly recommend maintaining thesetire pressures at all times. Failure to followthe tire pressure recommendations cancause uneven treadwear patterns, reducedfuel economy, and adversely affect theway your vehicle handles.
Note:Check and set the tire pressure at theambient temperature in which you areintending to drive your vehicle and when thetires are cold.
Note:Check your tire pressures at leastonce per month.
If your vehicle has a spare tire, set thepressure to the highest value given for yourvehicle and tire size combination.
Use only approved wheels and tire sizes;using other sizes could damage yourvehicle.
If you change the diameter of the factoryinstalled tires, the speedometer coulddisplay the incorrect speed. This couldeffect the functionality of the 4WD system(if equipped). Take your vehicle to anauthorized dealer and have the enginemanagement system reprogrammed.
If you intend to change the size of thefactory installed tires, check the suitabilitywith an authorized dealer.
Additional information related to thefunctionality and maintenance of your tirescan be found in the Wheels and Tiresection. See Tire Care (page 349).
Self-Sealing Tires (If Equipped)
Self-Sealing tires are a special type of tirethat have a material on the inside of thetire that can seal punctures up to 0.2 in(6 mm) in diameter in the tread area. Thismaterial does not protect from damage orpunctures in the sidewall of the tire.Self-sealing tires can be identified by thetire manufacturer with a special mark.
If your TPMS warning light comes on,inspect your tires for damage and re-inflateyour tires to the pressure indicated on thetire placard. See Tire PressureMonitoring System (page 364). If yourtires are damaged or continue to lose air,take your vehicle to the nearest authorizeddealer to have your tires inspected andrepaired/replaced as necessary.
Note:Replace self-sealing tires withself-sealing tires to maintain thefunctionality provided.
Note:Do not drive on a deflatedself-sealing tire. This damages the tirebeyond repair.
Notice to utility vehicle and truckowners
WARNING: Vehicles with a highercenter of gravity (utility and four-wheeldrive vehicles) handle differently thanvehicles with a lower center of gravity(passenger cars). Avoid sharp turns,excessive speed and abrupt steering inthese vehicles. Failure to drive cautiouslyincreases the risk of losing control of yourvehicle, vehicle rollover, personal injuryand death.
WARNING: In a rollover crash, anunbelted person is significantly morelikely to die than a person wearing aseatbelt.
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Utility vehicles and trucks handledifferently than passenger cars in thevarious driving conditions that areencountered on streets, highways andoff-road. Utility vehicles and trucks are notdesigned for cornering at speeds as highas passenger cars any more than low-slungsports cars are designed to performsatisfactorily under off-road conditions.
Study your owner's manual and anysupplements for specific information aboutequipment features, instructions for safedriving and additional precautions toreduce the risk of an accident or seriousinjury.
Four-Wheel Drive system (ifequipped)
WARNING: Do not becomeoverconfident in the ability of four-wheeldrive vehicles. Although a four-wheeldrive vehicle may accelerate better thana two-wheel drive vehicle in low tractionsituations, it won't stop any faster thantwo-wheel drive vehicles. Always driveat a safe speed.
A vehicle equipped with Four-Wheel Drivehas the ability to use all four wheels topower itself. This increases traction whichmay enable you to safely drive over terrainand road conditions that a conventionaltwo-wheel drive vehicle cannot. Power issupplied to all four wheels through atransfer case. Four-wheel drive vehiclesallow you to select different modes asnecessary. You can find more informationon transfer case operation, drive modeselection, and transfer case maintenancein this manual. See Four-Wheel Drive(page 203). You should become thoroughlyfamiliar with this information before youoperate your vehicle.
We recommend installing the temporaryspare wheel and tire on the front axle whenpossible. This could provide limited 4WDtraction.
Four-wheel drive: Never use a spare tire ofa different size than the one provided withyour vehicle. This could cause thefour-wheel drive system to default torear-wheel drive.
How your vehicle differs fromother vehicles
Sport utility vehicles and trucks can differfrom some other vehicles in a fewnoticeable ways. Your vehicle may be:
•Higher - to allow higher load carryingcapacity and to allow it to travel overrough terrain without getting hung upor damaging underbody components.
•Shorter - to give it the capability toapproach inclines and drive over thecrest of a hill without getting hung upor damaging underbody components.All other things held equal, a shorterwheelbase may make your vehiclequicker to respond to steering inputsthan a vehicle with a longer wheelbase.
•Narrower - to provide greatermaneuverability in tight spaces,particularly in off-road use.
As a result of the above dimensionaldifferences, sport utility vehicles and trucksoften have a higher center of gravity and agreater difference in center of gravitybetween the loaded and unloadedcondition. These differences that makeyour vehicle so versatile also make ithandle differently than an ordinarypassenger car.
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The traction grades, from highestto lowest are AA, A, B, and C. Thegrades represent the tire’s abilityto stop on wet pavement asmeasured under controlledconditions on specifiedgovernment test surfaces ofasphalt and concrete. A tiremarked C may have poor tractionperformance.
Temperature A B C
WARNING: Thetemperature grade for this tire isestablished for a tire that isproperly inflated and notoverloaded. Excessive speed,underinflation, or excessiveloading, either separately or incombination, can cause heatbuildup and possible tire failure.
The temperature grades are A(the highest), B and C,representing the tire’s resistanceto the generation of heat and itsability to dissipate heat whentested under controlled conditionson a specified indoor laboratorytest wheel. Sustained hightemperature can cause thematerial of the tire to degenerateand reduce tire life, and excessivetemperature can lead to suddentire failure. The grade Ccorresponds to a level ofperformance which all passengercar tires must meet under the
Federal Motor Vehicle SafetyStandard No. 139. Grades B and Arepresent higher levels ofperformance on the laboratorytest wheel than the minimumrequired by law.
Glossary of Tire Terminology
*Tire label: A label showing theoriginal equipment tire sizes,recommended inflation pressureand the maximum weight thevehicle can carry.
*Tire Identification Number(TIN): A number on the sidewallof each tire providing informationabout the tire brand andmanufacturing plant, tire size anddate of manufacture. Also referredto as DOT code.
*Inflation pressure: A measureof the amount of air in a tire.
*Standard load: A class ofP-metric or Metric tires designedto carry a maximum load at setpressure. For example: ForP-metric tires 35 psi (2.4 bar) andfor Metric tires 36 psi (2.5 bar).Increasing the inflation pressurebeyond this pressure will notincrease the tire’s load carryingcapability.
*Extra load: A class of P-metricor Metric tires designed to carry aheavier maximum load at 42 psi(2.9 bar). Increasing the inflationpressure beyond this pressure willnot increase the tire’s loadcarrying capability.
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*kPa: Kilopascal, a metric unit ofair pressure.
*PSI: Pounds per square inch, astandard unit of air pressure.
*Cold tire pressure: The tirepressure when the vehicle hasbeen stationary and out of directsunlight for an hour or more andprior to the vehicle being driven for1 mi (1.6 km).
*Recommended inflationpressure: The cold inflationpressure found on the SafetyCompliance Certification Label(affixed to either the door hingepillar, door-latch post, or the dooredge that meets the door-latchpost, next to the driver's seatingposition), or Tire Label located onthe B-Pillar or the edge of thedriver door.
* B-pillar: The structural memberat the side of the vehicle behindthe front door.
*Bead area of the tire: Area ofthe tire next to the rim.
* Sidewall of the tire: Areabetween the bead area and thetread.
*Tread area of the tire: Area ofthe perimeter of the tire thatcontacts the road when mountedon the vehicle.
*Rim: The metal support (wheel)for a tire or a tire and tubeassembly upon which the tire
beads are seated.
Information Contained on theTire Sidewall
Both United States and CanadaFederal regulations require tiremanufacturers to placestandardized information on thesidewall of all tires. Thisinformation identifies anddescribes the fundamentalcharacteristics of the tire and alsoprovides a U.S. DOT TireIdentification Number for safetystandard certification and in caseof a recall.
Information on P Type Tires
P215/65R15 95H is an example ofa tire size, load index and speedrating. The definitions of theseitems are listed below. (Note thatthe tire size, load index and speedrating for your vehicle may bedifferent from this example.)
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A.P: Indicates a tire, designatedby the Tire and Rim Association,that may be used for service oncars, sport utility vehicles,minivans and light trucks.Note: Ifyour tire size does not begin witha letter this may mean it isdesignated by either the EuropeanTire and Rim TechnicalOrganization or the Japan TireManufacturing Association.
B.215: Indicates the nominalwidth of the tire in millimetersfrom sidewall edge to sidewalledge. In general, the larger thenumber, the wider the tire.
C.65: Indicates the aspect ratiowhich gives the tire's ratio ofheight to width.
D.R: Indicates a radial type tire.
E.15: Indicates the wheel or rimdiameter in inches. If you changeyour wheel size, you will have topurchase new tires to match thenew wheel diameter.
F.95: Indicates the tire's loadindex. It is an index that relates tohow much weight a tire can carry.You may find this information inyour owner’s manual. If not,contact a local tire dealer.
Note:You may not find thisinformation on all tires because itis not required by federal law.
G.H: Indicates the tire's speedrating. The speed rating denotesthe speed at which a tire isdesigned to be driven for extendedperiods of time under a standardcondition of load and inflationpressure. The tires on your vehiclemay operate at differentconditions for load and inflationpressure. These speed ratings mayneed to be adjusted for thedifference in conditions. Theratings range from 81 mph(130 km/h) to 186 mph(299 km/h). These ratings arelisted in the following chart.
Note:You may not find thisinformation on all tires because itis not required by federal law.
Speed ratingLetterrating
81 mph (130 km/h)M
87 mph (140 km/h)N
99 mph (159 km/h)Q
106 mph (171 km/h)R
112 mph (180 km/h)S
118 mph (190 km/h)T
124 mph (200 km/h)U
130 mph (210 km/h)H
149 mph (240 km/h)V
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2023 Explorer (CTW) Canada/United States of America, enUSA, Edition date: 202209, First-PrintingWheels and Tires

Speed ratingLetterrating
168 mph (270 km/h)W
186 mph (299 km/h)Y
Note:For tires with a maximum
speed capability over 149 mph
(240 km/h), tire manufacturers
sometimes use the letters ZR. For
those with a maximum speed
capability over 186 mph (299
km/h), tire manufacturers always
use the letters ZR.
H.U.S. DOT Tire IdentificationNumber (TIN): This begins withthe letters DOT and indicates thatthe tire meets all federalstandards. The next two numbersor letters are the plant codedesignating where it wasmanufactured, the next two arethe tire size code and the last fournumbers represent the week andyear the tire was built. Forexample, the numbers 317 meanthe 31st week of 1997. After 2000,the numbers go to four digits. Forexample, 2501 means the 25thweek of 2001. The numbers inbetween are identification codesused for traceability. Thisinformation is used to contactcustomers if a tire defect requiresa recall.
I.M+S or M/S: Mud and Snow, or
AT: All Terrain, or
AS: All Season.
J.Tire Ply Composition andMaterial Used: Indicates thenumber of plies or the number oflayers of rubber-coated fabric inthe tire tread and sidewall. Tiremanufacturers also must indicatethe ply materials in the tire and thesidewall, which include steel,nylon, polyester, and others.
K.Maximum Load: Indicates themaximum load in kilograms andpounds that can be carried by thetire. See the Safety ComplianceCertification Label (affixed toeither the door hinge pillar,door-latch post, or the door edgethat meets the door-latch post,next to the driver's seatingposition), for the correct tirepressure for your vehicle.
L.Treadwear, Traction andTemperature Grades:
*Treadwear The treadwear gradeis a comparative rating based onthe wear rate of the tire whentested under controlled conditionson a specified government testcourse. For example, a tire graded150 would wear one and one-halftimes as well on the governmentcourse as a tire graded 100.
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2023 Explorer (CTW) Canada/United States of America, enUSA, Edition date: 202209, First-PrintingWheels and Tires