Tires/Wheels
Generalinformation
TheoriginalequipmenttiresandwheelrimsonyourPorschecomplywithallapplicableFederalMotorVehicleSafetyStandards.
Foryoursafetyrememberthefollowing:
–WheelrimsandwheelboltsarematchedtofityourPorsche.
–Ifyouintendtouseotherthanoriginalequip-mentwheels,besurethattheyconformtoPorschespecificationsforyourmodel.Onlytireswiththesamemakeandwiththesamespecificationcode(e.g.“N0”,“N1”...)canbemounted.
–Theuseofwheelrimsandwheelboltsthatdonotmeetspecificationsoftheoriginalfactoryinstalledequipmentwillaffectthesafeoperationofyourvehicle.
–Beforeyouplanonexchangingwheels,orsnowtiresalreadymountedonthewheelrims,consultyourauthorizedPorschedealer.Yourdealerhasthetechnicalinformationnecessarytoadviseyouwhichwheelrimsandwheelboltsarecompatiblewiththeoriginalfactoryinstallations.
Danger!
Riskoflossofcontrolandseriouspersonalinjuryordeath.
Ifwhiledriving,yourvehicleexperiencesasuddenvibrationorridedisturbance,and/oryoususpectthatpossibledamagetoyourtiresorvehiclehasoccurred,youshouldimmediatelyreduceyourspeedwithoutexcessiveuseofthebrakes.
Stopthevehicleassoonaspossible,andinspectthetires.Ifyoucannotdeterminethecauseforthedisturbance,haveyourvehicletowedtothenearestPorscheortiredealertohaveyourvehicleortire(s)inspected.
Continuingtooperatethevehiclewithoutcorrectioncouldresultinalossofcontrolandseriouspersonalinjury.
Example
UniformTireQualityGrading
Qualitygradescanbefoundwhereapplicableonthetiresidewallbetweentreadshoulderandmaximumsectionwidth.
AllpassengercartiresmustconformtoFederalSafetyRequirementsinadditiontothesegrades.
Treadwear
Thetreadweargradeisacomparativeratingbasedonthewearrateofthetirewhentestedundercontrolledconditionsonaspecificgovernmenttestcourse.Forexample,atiregraded150would
PracticalTips,EmergencyService267
Tirewear
TheoriginalequipmenttiresonyourPorschehavebuilt-intirewearindicators.Theyaremoldedintothebottomofthetreadgroovesandwillappearasapproximately1/2in.(12mm)bandswhenthetiretreaddepthisdownto1/16ofanin.(1.6mm).
Whentheindicatorsappearintwoormoreadjacentgrooves,itistimetoreplacethetires.Werecommend,however,thatyoudonotletthetiresweardowntothisextent.Worntirescannotgriptheroadsurfaceproperlyandareevenlesseffectiveonwetroads.
IntheUnitedStates,statelawsmaygoverntheminimumtreaddepthpermissible.Followallsuchlaws.
Danger!
Drivingonworntirescanresultinlossofcontrolofthevehicleandcouldcauseseriouspersonalinjuriesordeath.
Donotdrivewithworntiresortiresshowingcutsorbruisesastheymayleadtosuddendeflationandlossofcontrolwhichcouldcauseseverepersonalinjury.
Specializedhighperformancetiresonhighperformancesportscarsexhibitmorewearthanthoseonafamilysedan,orevenahighperformancesedan.Therefore,itisimportanttocheckyourtirepressureandconditionatleasteverytwoweeks.
Ifyounoticethattiresarewearingunevenly,consultyourPorschedealer.Unevenwearmaynotalwaysbeduetoimproperwheelalignment.Itcanbetheresultofindividualdrivinghabitssuchascorneringathighspeeds.Ifthetirepressureisnotcheckedandadjustedregularly,abnormaltirewearcanalsooccur.
Tirecare
Avoiddamagingtiresandwheelrims.
Ifyoumustdriveoveracurborotherobstacle,driveslowlyandatanobtuseangle.
Checktiresforunevenwearanddamagebeforedrivingoff.
Removeimbeddedmaterial.
Replacewornordamagedtiresimmediately.
Keepoil,fuel,brakefluid,etc.awayfromtires.
Replacemissingvalvestemcaps.
Keeptiresinflatedcorrectly.
Washtireswhenwashingthevehicle.Alsocleaninnersideofwheels.
Donotuseabrasivecleanerswhenwashingthewheels.
Checkwheelrimsforcorrosion.
Removeroadsalt,ifdrivinginwinter.
Tiredamage,puncture
Checktiresforimbeddedmaterial,cuts,punctures,cracksandbulges(sidewall)beforedrivingoff.
Incaseoftiredamage,whereitisuncertainwhetherthereisabreakintheplywithallitsconsequencesortiredamagecausedbythermalormechanicaloverloadingduetolossofpressureoranyotherpriordamage,werecommendthatthetirebereplacedforsafetyreasons.
Ifonefaultytireisreplaceditshouldbenotedthatthedifferenceintreaddepthononeaxlemustnotexceed30%.Handlinginconsistenciesmayresult.
Performavisualinspectionifnecessary.
Danger!
Riskofseriouspersonalinjuryordeath.Drivingthevehiclewithlowtirepressureincreasesriskofatirefailureandresultinglossofcontrol.Furthermore,lowtirepressureincreasesrateofwearoftheaffectedtires.
Checktires-includingsidewalls-regularlyforforeignbodies,nicks,cuts,cracksandbulges.
PracticalTips,EmergencyService271
Tires,Rims,Tracks911Carrera,911CarreraS
TireRimRimoffsetTrack
Summertires*front235/40ZR18(91Y)8Jx18H257mm58.5in./1486mmrear265/40ZR18(101Y)XL10Jx18H258mm60.4in./1534mm
orfront235/35ZR19(87Y)8Jx19H257mm58.5in./1486mmrear295/30ZR19(100Y)XL11Jx19H267mm59.7in./1516mm
orfront235/35ZR19(87Y)8.5Jx19H255mm58.7in./1490mmrear305/30ZR19(102Y)XL11.5Jx19H267mm59.7in./1516mm
Snowtiresfront235/40R1891VM+S8Jx18H257mm58.5in./1486mmrear265/40R1897VM+S1)10Jx18H258mm60.4in./1534mm
orfront235/35R1987VM+S8Jx19H257mm58.5in./1486mmrear295/30R19100VXLM+S11Jx19H267mm59.7in./1516mm
Theloadcapacitycoefficient(e.g.“91”)andmaximumspeedcodeletter(e.g.“Y”)areminimumrequirements.
SnowchainsCanbemountedonlyontherearwheels;maximumspeed30mph(50km/h).UseonlyPorscheauthorizedfine-linkcross-typeoredgechains.Snowchainclearancecanbeguaranteedonlyonthetire+rimcombinationmarked1)withoutspacers.
TireandrimsizesExtensivetestsareperformedbeforespecifictiresandwheelsareapprovedbyPorsche.YourPorschedealerhasinforma-tionaboutapprovedtiresandwheelsandishappytoassistyou.Ifaftermarkettiresand/orwheelsareinstalledwhicharenotapprovedbyPorsche,thevehicle’sdriveability,stabilitywhileinmotionandhandlingcharacteristicsmightbeimpaired.SincePorschehasnodataonsuchcombinations,Porschecannotstandbehindthesafetyordurabilityoftheseaftermarketcombinations.
*911CarreraS:Summertires19-inchonly
330VehicleIdentification,TechnicalData
Tires,Rims,Tracks911Carrera4,911Carrera4S,911Targa4,911Targa4S
TireRimRimoffsetTrack
Summertires*front235/40ZR18(91Y)8Jx18H257mm58.6in./1488mmrear295/35ZR18(99Y)11Jx18H251mm60.9in./1548mm
orfront235/35ZR19(87Y)8Jx19H257mm58.6in./1488mmrear305/30ZR19(102Y)XL11Jx19H251mm60.9in./1548mm
orfront235/35ZR19(87Y)8.5Jx19H255mm58.7in./1492mmrear305/30ZR19(102Y)XL11.5Jx19H2**67mm61.0in./1550mm
Snowtiresfront235/40R1891VM+S8Jx18H257mm58.6in./1488mmrear295/35R1899VM+S1)11Jx18H251mm60.9in./1548mm
orfront235/35R1987VM+S8Jx19H257mm58.6in./1488mmrear295/30R19100VXLM+S1)11Jx19H251mm60.9in./1548mm
Theloadcapacitycoefficient(e.g.“91”)andmaximumspeedcodeletter(e.g.“Y”)areminimumrequirements.
SnowchainsCanbemountedonlyontherearwheels;maximumspeed30mph(50km/h).UseonlyPorscheauthorizedfine-linkcross-typeoredgechains.Snowchainclearancecanbeguaranteedonlyonthetire+rimcombinationmarked1).
TireandrimsizesExtensivetestsareperformedbeforespecifictiresandwheelsareapprovedbyPorsche.YourPorschedealerhasinforma-tionaboutapprovedtiresandwheelsandishappytoassistyou.Ifaftermarkettiresand/orwheelsareinstalledwhicharenotapprovedbyPorsche,thevehicle’sdriveability,stabilitywhileinmotionandhandlingcharacteristicsmightbeimpaired.SincePorschehasnodataonsuchcombinations,Porschecannotstandbehindthesafetyordurabilityoftheseaftermarketcombi-nations.
*911Carrera4S,911Targa4S:Summertires19-inchonly
**Onlyapprovedtogetherwith17mmspacers
332VehicleIdentification,TechnicalData
On-boardliterature..........................................1Orientationlight.............................................83Outsidetemperaturindicator........................104
PPaintCare....................................................257Data....................................................327ParkAssistant...............................................64Parking......................................................197Parkingaids..................................................64Mirrors...................................................65Parkingbrake...............................................71Warninglight...........................................71Parkinglight.......................................154,156Particlefilter...............................................252Passengercompartmentmonitoring...............30Plasticparts...............................................262Platformlift.................................................284PorscheActiveSuspensionManagement(PASM).........................................................82PorscheCeramicCompositeBrake...................8PorscheCommunicationManagement(PCM).185PorscheStabilitySystem(PSM)......................79Informationlight......................................81Powermeasurement.....................................66Powermeasurements..................................232Powersteeringfluidlevel......................251,335Powerwindows...............................25,32,204Practicaltips...............................................266
RRadiatorfan..........................................90,233Radioreception...........................................186Rainsensor................................................158Rangeonremainingfuel.......................111,142Readinglight.........................................83,317Rearfoglight..............................................154Rearlid......................................................175Rearseatbackrests......................................44Rearspoiler..................................................68Rearviewmirrors....................................34,35Rearwindow...............................................226Rearwindowdefogger...................................36Rearwindowwiper......................................158Recycling.......................................................7Reduceddrivingprogram,Tiptronic...............198Relays........................................................292Releasebutton............................................193Remotecontrol.............................................23Replacementkey...........................................22Replacingbulbs...........................................302Replacingwiperblades................................255RimsDiameter..............................................277Rimwidth.............................................277Rollerblind.................................................224RolloverProtectionSystem............................63RoofTransportSystem................229,336,337Runningin.....................................................19
SSafetybelts..........................................48,263Heightadjustment...................................50Tensioner...............................................48Warninglight...........................................49Safetycompliancesticker............................326Sealingset.................................................281Seals.........................................................262SeatAdjustment.............................................39Heating..................................................43Memory.................................................41Selectorlever.............................................193selectorleverpositionindicator....................194Selectorleverpositionindicator....................102Shiftinggear...............................................192Sidemarkerlight.................................154,311Sidevents..................................................166Slidingglassroof.........................................225Slidingroof.................................................200Snowchains...............................................275Snowtires..................................................274Socket.......................................................292Spacers.....................................286,288,290Sparekey...............................................22,23Speedcodeletter........................................276Speedcontrol...............................96,160,162Speedlimit.........................................113,276Speedometer...............................................99Spoiler.........................................................68SportChronoPackageCHRONOstopwatch..............................120
Index351