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This type of tire utilizes steel cordsin the sidewalls. As such, theycannot be treated like normal lighttruck tires. Tire service, includingadjusting tire pressure, must beperformed by personnel trained,supervised and equippedaccording to Federal Occupational
Safety and Health Administrationregulations. For example, duringany procedure involving tireinflation, the technician orindividual must utilize a remoteinflation device, and ensure thatall persons are clear of thetrajectory area.
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Stay out of trajectory1
Inspecting Your Tires andWheel Valve Stems
Periodically inspect the tire treadsfor uneven or excessive wear andremove objects such as stones,nails or glass that may be wedged
in the tread grooves. Check the tireand valve stems for holes, cracks,or cuts that may permit airleakage and repair or replace thetire and replace the valve stem.Inspect the tire sidewalls forcracking, cuts, bruises and othersigns of damage or excessive
wear. If internal damage to the tireis suspected, have the tiredemounted and inspected in caseit needs to be repaired or replaced.For your safety, tires that aredamaged or show signs ofexcessive wear should not be usedbecause they are more likely toblow out or fail.
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Improper or inadequate vehiclemaintenance can cause tires towear abnormally. Inspect all yourtires, including the spare,frequently, and replace them ifone or more of the followingconditions exist:
Tire Wear
When the tread is worn down to2/32 inch (1.6 millimeters), tiresmust be replaced to help preventyour vehicle from skidding andhydroplaning. Built-in treadwearindicators, or wear bars, whichlook like narrow strips of smoothrubber across the tread appearson the tire when the tread is worndown to 2/32 inch (1.6millimeters).
When the tire tread wears downto the same height as these wearbars, the tire is worn out and mustbe replaced.
Damage
Periodically inspect the tire treadsand sidewalls for damage, suchas bulges in the tread or sidewalls,cracks in the tread groove andseparation in the tread or sidewall.If damage is observed orsuspected have the tire inspectedby a tire professional. Tires can bedamaged during off-road use, soinspection after off-road use isalso recommended.
Age
WARNING: Tires degradeover time depending on manyfactors such as weather, storageconditions, and conditions of use(load, speed, inflation pressure)the tires experience throughouttheir lives.
WARNING: In general, tiresshould be replaced after sixyears regardless of tread wear.However, heat caused by hotclimates or frequent high loadingconditions can accelerate theaging process and may requiretires to be replaced morefrequently.
WARNING: You shouldreplace your spare tire when youreplace the road tires or after sixyears due to aging even if it hasnot been used.
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U.S. DOT Tire IdentificationNumber
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.
This begins with the letters DOTand indicates that the tire meetsall federal standards. The nexttwo numbers or letters are theplant code designating where itwas manufactured, the next twoare the tire size code and the lastfour numbers represent the weekand year the tire was built. Forexample, the numbers 317 meanthe 31st week of 1997. After 2000the 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.
Tire ReplacementRequirements
Your vehicle is equipped with tiresdesigned to provide a safe rideand handling capability.
WARNING: Only usereplacement tires and wheelsthat are the same size, loadindex, speed rating, and type asthose originally provided for yourvehicle. The recommended tireand wheel sizes can be found onthe Tire Label on the driver sidedoor frame or the edge of thedriver door. If this information isnot found in those locations, orfor additional options, contactyour authorized dealer. Use ofany tire or wheel notrecommended, could affect thesafety and performance of yourvehicle, which could result in anincreased risk of loss of vehiclecontrol, vehicle rollover, personalinjury and death.
WARNING: To reduce therisk of serious injury, whenmounting replacement tires andwheels, you should not exceedthe maximum pressure indicatedon the sidewall of the tire to setthe beads without additionalprecautions listed below. If thebeads do not seat at themaximum pressure indicated,re-lubricate and try again.
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WARNING: When inflatingthe tire for mounting pressuresup to 20 psi (1.38 bar) greaterthan the maximum pressure onthe tire sidewall, the followingprecautions must be taken toprotect the person mounting thetire:
•Stand at a minimum of 12 ft(3.66 m) away from the wheeland tire assembly.
•Use both eye and earprotection.
WARNING: For a mountingpressure more than 20 psi(1.38 bar) greater than the
maximum pressure, a Forddealer or other tire serviceprofessional should do themounting.
Important: Remember to replacethe wheel valve stems when theroad tires are replaced on yourvehicle
It is recommended that the twofront tires or two rear tiresgenerally be replaced as a pair.
Replacing a Tire That isGreenhouse Gas Certified
The tires installed on this vehicleat the factory as originalequipment are certified forGreenhouse Gas and FuelEfficiency regulations.Replacement tires must be ofequal or lower rolling resistancelevel (TRRL or Crr). Consult withyour tire supplier(s) forappropriate replacement tires.
Safety Practices
WARNING: If your vehicleis stuck in snow, mud or sand, donot rapidly spin the tires;spinning the tires can tear thetire and cause an explosion. Atire can explode in as little asthree to five seconds.
WARNING: Do not spin thewheels at over 34 mph(55 km/h). The tires may fail andinjure a passenger or bystander.
HIGH SPEED DRIVING CAN BEDANGEROUS
Correct inflation pressure is
especially important. However, athigh speeds, even with the correctinflation pressure, a road hazardfor example is more difficult toavoid and if contact is made, has
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a greater chance of causing tiredamage than at a lower speed.Moreover, driving at high speedreduces the reaction timeavailable to avoid accidents andbring your vehicle to a safe stop.
If you see any damage to a tire orwheel, replace it with the spare atonce and visit a participating TireRetailer.
Exceeding the maximum speedsshown on the following page foreach type of tire will cause the tireto build up excessive heat whichcan cause tire damage that couldresult in sudden tire destructionand rapid air loss. Failure tocontrol a vehicle when one ormore tires experience a sudden airloss can lead to an accident.
In any case, you should notexceed reasonable speeds asindicated by the legal limitsand driving conditions.
DO NOT OVERLOAD: DRIVINGON ANY OVERLOADED TIRE ISDANGEROUS
The maximum load rating of yourtires is molded on the tire sidewall.Do not exceed this rating. Followthe loading instructions of themanufacturer of your vehicle andthis will ensure that your tires arenot overloaded. Tires which areloaded beyond their maximum
allowable loads for the particularapplication will build up excessiveheat that may result in sudden tiredestruction. Do not exceed thegross axle weight rating for anyaxle on your vehicle.
TIRE ALTERATIONS
Do not make or allow to be madeany alterations on your tires.Alterations may prevent properperformance, leading to tiredamage which can result in anaccident. Tires which becomeunserviceable due to alterationssuch as truing, whitewall inlays,addition of balancing or sealantliquids, or the use of tire dressingcontaining petroleum distillatesare excluded from warrantycoverage.
REPAIRS - WHEREVERPOSSIBLE, SEE YOUR TIRERETAILER AT ONCE
If any tire sustains a puncture,have the tire demounted andthoroughly inspected by a tireretailer for possible damage thatmay have occurred. A tread areapuncture in any passenger or lighttruck tire can be repaired providedthat the puncture hole is not morethan 1/4” in diameter, not morethan one radial cable per casingply is damaged, and the tire hasnot been damaged further by thepuncturing object or by runningunderinflated. Tire puncturesconsistent with these guidelinesshould only be repaired by
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following the US TireManufacturers Association(USTMA) recommended repairprocedures. Plug-only repairsdone on-the-wheel are consideredimproper and therefore, notrecommended. Such repairs arenot reliable and may cause furtherdamage to the tire.
STORAGE
Tires contain waxes andemollients to protect their outersurfaces from ozone and weatherchecking. As the tire rolls andflexes, the waxes and emollientscontinually migrate to the surface,replenishing this protectionthroughout the normal use of thetire. Consequently, when tires situnused for long periods of time (a
month or more) their surfacesbecome dry and more susceptibleto ozone and weather checkingand the casing becomessusceptible to flat spotting.Forthis reason, tires should alwaysbe stored in a cool, dry, clean,indoor environment. If storageis for one month or more,eliminate the weight from thetires by raising the vehicle or byremoving the tires from thevehicle. Failure to store tires inaccordance with theseinstructions could result indamage to your tires orpremature aging of the tiresand sudden tire failure.
When tires are stored, be sure theyare placed away from sources ofheat and ozone such as directsunlight, hot pipes and electricgenerators. Be sure that surfaceson which tires are stored are cleanand free from grease, gasoline orother substances, which coulddeteriorate the rubber. Failure tostore tires in accordance withthese instructions could result indamage to your tires or prematureaging of the tires and sudden tirefailure.
FOLLOW THESE MOUNTINGRECOMMENDATIONS
Tire changing can be dangerousand must be done byprofessionally trained personsusing proper tools and
procedures as specified by theUS Tire ManufacturersAssociation (USTMA). Singleor dual assemblies must becompletely deflated beforedemounting.
Your tires should be mounted onwheels of correct size and typeand which are in good, cleancondition. Wheels that are bent,chipped, rusted (steel wheels) orcorroded (alloy wheels) maycause tire damage. The inside ofthe tire must be free from foreignmaterial. Have your retailer checkthe wheels before mounting newtires. Mismatched tires and rimscan explode during mounting.Also, mismatched tires and rimscan result in dangerous tire failure
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on the road. If a tire is mounted byerror on the wrong-sized rim, donot remount it on the proper rim -scrap it. It may have beendamaged internally (which is notexternally visible) by having beendangerously stretched and couldfail on the highway.
Old valves may leak. When newtubeless tires are mounted,have new valves of the correcttype installed. Tubeless tiresmust only be mounted onwheels designed for tubelesstires i.e., wheels which havesafety humps or ledges.
It is recommended that you haveyour tires and wheels balanced.Tires and wheels, which are notbalanced, may cause steeringdifficulties, a bumpy ride, andirregular tire wear.
Be sure that all your valveshave suitable valve caps. Thevalve cap is the primary sealagainst air loss.
TEMPORARY SPARE TIRES
When using any temporary sparetire, be sure to follow the vehiclemanufacturer’s instructions.
REMEMBER... TO AVOIDDAMAGE TO YOUR TIRES ANDPOSSIBLE ACCIDENT:
•CHECK TIRE PRESSURE ATLEAST ONCE EACH MONTHWHEN TIRES ARE COLD ANDBEFORE LONG TRIPS.
•DO NOTUNDERINFLATE/OVERINFLATE.
•DO NOT OVERLOAD.
•DRIVE AT MODERATESPEEDS, OBSERVE LEGALLIMITS.
•AVOID DRIVING OVERPOTHOLES, OBSTACLES,CURBS OR EDGES OFPAVEMENT.
•AVOID EXCESSIVE WHEELSPINNING.
•IF YOU SEE ANY DAMAGE TOA TIRE, REPLACE WITH THESPARE AND VISIT ANYAUTHORIZED RETAILER ATONCE.
•IF YOU HAVE ANYQUESTIONS, CONTACT YOURAUTHORIZED RETAILER.
Driving habits have a great dealto do with your tire mileage andsafety.
•Observe posted speed limits
•Avoid fast starts, stops andturns
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