wearoneandahalf(1-1/2)timesaswellonthegovernmentcourseasatiregraded100.Therelativeperformanceoftiresdependsupontheactualconditionsoftheiruse,however,andmaydepartsignificantlyfromthenormduetovariationsindrivinghabits,servicepracticesanddifferencesinroadcharacteristicsandclimate.
TractionAA,A,B,C
Thetractiongrades,fromhighesttolowest,areAA,A,BandCandtheyrepresentthetire’sabilitytostoponwetpavementasmeasuredundercontrolledconditionsonspecifiedgovernmenttestsurfacesofasphaltandconcrete.AtiremarkedCmayhavepoortractionperformance.
Warning!
Thetractiongradeassignedtothisisbasedonbraking(straight-ahead)tractiontestsanddoesnotincludecornering(turned)traction,acceleration,hydroplaningorpeaktractioncharacteristics.
TemperatureA,B,C
ThetemperaturegradesareA(thehighest),BandC,representingthetire’sresistancetothegenerationofheatanditsabilitytodissipateheatwhentestedundercontrolledconditionsonaspecifiedindoorlaboratorytestwheel.Sustainedhightemperaturescancausethematerialof
thetiretodegenerateandreducetirelife,andexcessivetemperaturecanleadtosuddentirefailure.ThegradeCcorrespondstoalevelofperformancewhichallpassengercartiresmustmeetundertheFederalMotorVehicleSafetyStandardNo.109.GradesBandArepresenthigherlevelsofperformanceonthelaboratorytestwheelthantheminimumrequiredbylaw.
Warning!
Thetemperaturegradeforthistireisestab-lishedforatirethatisproperlyinflatedandnotoverloaded.Excessivespeed,underinfla-tion,orexcessiveloading,eitherseparatelyorincombination,cancauseheatbuildupandpossibletirefailure,resultinglossofcontrol,leadingtoseriouspersonalinjuryordeath.
Tirepressures
Warning!
Incorrecttirepressurecausesincreasedtirewearandadverselyaffectsroadhan-dling.Thiscouldleadtotirefailure,resultinginlossofcontrol,leadingtoseriouspersonalinjuryordeath.
Alwaysuseanaccuratetirepressuregaugewhencheckinginflationpressures.
Donotexceedthemaximumtirepressurelistedonthetiresidewall.
Pleaseobservethechapter”TIREPRESSUREPLATE”onpage240.
Coldtireinflationpressuremeans:alltiresmustbecold,ambienttemperaturemaximum(68°F/20°C),whenadjustingtheinflationpressure.Avoidsunlightstrikingthetiresbeforemeasuringcoldpressures,sincethepressureswouldrisefromtemperatureinfluence.
Valvecapsprotectthevalvefromdustanddirt,andthusfromleakage.Alwaysscrewcapstightlydown.Replacemissingcapsimmediately.
Useonlyplasticvalvecaps.
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Exampleofatirepressureplate
Tirepressureplate
Informationonthetirepressureplate
ASeatingcapacityMaximumnumberofvehicleoccupants,includingthedriver.
BVehicleloadlimitIsthemaximumtotalweightlimitspecifiedoftheload(passengersandcargo)forthevehicle.Thisisthemaximumweightofpassengersandcargothatcanbeloadedintothevehicle.Pleaseobservethechapter”LOADINGINFORMATION”onpage248.
CTiresizeforthefrontaxleCheckwithyourauthorizedPorschedealeraboutthecurrentreleasestatus.
DRecommendedtirepressureforthefrontaxleThesevaluesareforcoldtires(68°F/20°C).
ETiresizefortherearaxleCheckwithyourauthorizedPorschedealeraboutthecurrentreleasestatus.
FRecommendedtirepressurefortherearaxleThesevaluesareforcoldtires(68°F/20°C).
GInvehicleswithcollapsiblesparewheel:Sizeandtirepressureofthesparewheel.
Tiretraction
Warning!
Whendrivingonwetorslushyroads,awedgeofwatermaybuildupbetweenthetiresandtheroad.Thisphenomenonisknownas“hydroplane”andmaycausepartialorcompletelossoftraction,vehiclecontrolorstoppingability.
Reducespeedonwetsurfacetopreventthis.
Tirelife
Tirelifedependsonvariousfactors,i.e.,roadsurfaces,trafficandweatherconditions,drivinghabits,typeoftiresandtirecare.
Inspectyourtiresforwearanddamagebeforedrivingoff.Ifyounoticeunevenorsubstantialwear,wheelsmightneedalignmentortiresshouldbebalancedorreplaced.
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Afterdrivingoffroad,examinetiresforsignsofdamagesuchascuts,tears,bulgesorforeignobjectsstuckinthetread.Replaceadamagedtireifnecessary.
Crosscurbedgesslowlyandatrightanglesifpossible.Avoiddrivingoversteeporsharpcurbs.
Incasesofdoubt,havethewheel(particularlytheinnerside)checkedbyanauthorizedPorschedealer.
Tirereplacements
Ifindoubt,contactyourPorschedealer.UseonlytiremakesandtypesapprovedbyPorsche.
IfyoudonotuseaPorscherecommendedreplacementtire,makesurethatyoupur-chaseyournewtiresfromareputabletiredealerandthatthedealercomplieswithallmanufacturerswarningsforthosetires.
Onlytireswiththesamemakeandwiththesamespecicationcode(e.g.“N0”,“N1”...)canbemounted.
Beforemountingnewtires,checkwithyourPorschedealeraboutthecurrentreleasestatus.
Usetireswith“ZR”qualitystandards.Therearecurrentlynostandardsconcerningtirestrengthatspeedsabove150mph(240km/h).
Tiresshouldbereplacednolessthanononeaxleatthetime.Onlytiresofthesamemakeandtypemustbeused.Mixedtiresarenotpermissible.
Initially,newtiresdonothavetheirfulltraction.Youshouldthereforedriveatmoderatespeedsduringthefirst60-120miles(100-200km).
Ifnewtiresareinstalledonlyononeaxle,anoticeablechangeinhandlingoccursduetothedifferenttreaddepthoftheothertires.Thishappensespeciallyifonlyreartiresarereplaced.However,thisconditiondisappearsasthenewtiresarebrokenin.
Pleaseadjustyourdrivingstyleaccordingly.
Installationofnewtiresshouldonlybedonebyaqualifiedtiretechnician.
Valves
Rubbervalvestemsmustbereplacedeverytimeatireisreplaced.Formetalvalves,theinstallationandreplacementinstructionsmustbeobserved.
UseonlygenuinePorschemetalvalves.
Protectthevalveinsertsagainstsoilingwithvalvecaps.Soiledvalveinsertscancauseagraduallossofair.
Useonlyplasticvalvecaps.
Parkingatthecurb
Warning!
Hardimpactsagainstcurbs(ortrafcislands)aredangerousandmaycausehiddentiredamagewhichisnotnoticeableuntillater.Suchdamagecanresultinaccidentsathighspeedscausingseriouspersonalinjuryordeath.Dependingontheforceofimpact,theedgeoftherimcanalsobedamaged.
Ifyouareindoubt,havethewheelcheckedbyanexpert,particularlyifyoususpectdamageontheinside.
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Ifyoumustdriveoveracurborotherobstacle,driveslowlyandatanobtuseangle.Exercisecarewhenparkingalongcurbs.
Wheelalignment,wheelbalancing
Asaprecaution,havewheelswithsummertiresbalancedinthespring,andthosewithmudandsnowtiresbeforewinter.Unbalancedwheelsmayaffectcarhandlingandtirelife.Onlythespecifiedweightsmaybeusedforwheelbalancing.Self-adhesiveweightsmustnotcomeintocontactwithcleaningagents,sincetheycoulddropoff.Uneventreadwearindicateswheelimbalance.Inthisevent,thevehicleshouldbecheckedatanauthorizedPorschedealer.
Warning!
If,duringatrip,unevenrunningorvibrationsoccurthatcouldbecausedbydamagetotiresorthecar,thespeedmustbereducedimmediately,butwithoutbrakingsharply.Ifyoucontinueyourtripwithouthavingthecauseofthefaultremedied,youmightlosecontrolofyourvehiclewhichcouldcauseseriouspersonalinjuryordeath.
Stopthevehicleandcheckthetires.
Ifnocauseforthefaultcanbefound,drivecarefullytothenearestauthorizedPorschedealer.
Removingandstoringtires
Afterchanging,adjusttirepressureandtorquewheelboltsdiagonallyto94ft.lb.(130Nm).
Tiresmustalwaysremainonthesamesideofthevehicle.Whenwheelsareremoved,thedirectionofrotationandpositionofeachwheelshouldbemarked.
Example
FR(frontright),FL,RRandRL.
Wheelsmustalwaysbefittedinaccordancewiththeirmarking.
Theperceptionthattiredurabilityandperformanceareimmunetotheeffectsofstorageandageisunfounded.Chemicaladditives,whichmaketherubberelastic,losetheireffectivenessinthecourseoftimeandtherubberbecomesbrittleandcracks.
Therefore,thetiresshouldbeinspectedfromtimetotime.
Note
Undernocircumstancesshouldtiresolderthan6yearsbeusedonyourPorsche.
Theageofthetirecanbeobtainedfromthe“DOT”codenumber.If,forexample,thelastfournumbersread0706,thenthetirewasproducedinthe7thweekof2006.
Storetiresinacoolanddryplace.
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FlatTire
Generalinformation
Warning!
Failuretofollowtheseinstructionsmayresultinseriouspersonalinjuryordeathtoyouortobystanders.
Ifyouhaveaflattire,moveasafedistanceofftheroad.Turntheemergencyflasheronanduseotherwarningdevicestoalertothermotorists.Settheparkingbrake.
Donotparkyourvehiclewhereitmaycontactdrygrass,brushorotherflammablematerials.Thehotpartsoftheexhaustsystemcouldsetsuchmaterialsonfire,therebycausingbothpropertydamageandseriouspersonalinjuryordeath.
Atiresealantandcompressorwithpressuretesterarelocatedinthetoolboxintheluggagecompartment.
PleaseobservethesafetyandoperatinginstructionsonthespecialsealantbottlewithaspecialPorschepartnumberandonthecompressor-theseareessential.
Caution!
Sealingthetirewiththetirerepairkitisonlyanemergencyrepair.Evenwiththetireair-tight,itmaybeusedonlyforshorttripsinanemergency.Themaximumpermittedspeedis50mph(80km/h).
Donotusecommerciallyavailablesealantortireinflatingbottles.Useonlythetiresealantlocatedintheluggagecompartment.
Warning!
Riskofaccidentresultinginseriouspersonalinjuryordeath.
Havetiresreplacedbyaspecialistworkshopassoonaspossible.
Avoidhardaccelerationandhighcorneringspeeds.
A-FillerbottleB-Fillerhose
Tiresealant
Usage
Thetiresealantcanbeusedtosealsmallcuts,especiallyinthetiretread.
Sealingthetirewiththetiresealantisonlyanemergencyrepair,soyoucandrivetothenextworkshop.Evenwiththetireair-tight,itmaybeusedonlyforshorttripsinanemergency.
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Thetiresealantandacompressorwithpressuretestercanbefoundinthetoolboxintheluggagecompartment.
Thetiresealantcomprises:
–Afillerbottle
–Afillerhose
–Avalveturnerand
–Asparevalveinsert
–Astickerdenotingthemaximumpermissiblespeedforthedriver’sfieldofvision.
Danger!
Riskofaccidentresultinginseriouspersonalinjuryordeath.
Usethetiresealantonlyinthecaseofcutsorpuncturesnolargerthan0.15in.(4mm).
Neverusethetiresealantiftherimisdam-aged.
Warning!
Thesealantishighlyammableandharmfultohealth.
Fire,nakedflameandsmokingareprohibitedwhenhandlingtiresealant.
Avoidcontactwithskin,eyesandclothingduetocausticchemicalpropertiesofthetiresealant.
Keeptiresealantawayfromchildren.
Donotinhalevapors,duetoconsequentharmtopersonalhealthresultinginseriouspersonalinjuryordeath.
Incaseofcontactwiththesealant:
Ifsealantgetsontheskinorintheeyes,thoroughlyrinsetheaffectedpartofthebodyoffimmediately.
Changesoiledclothingimmediately.
Getmedicalattentionimmediatelyintheeventofanallergicreaction.
Ifsealantwasswallowed,thoroughlyrinseoutthemouthwithoutdelayanddrinkplentyofwater.Donotinducevomiting.Getmedicalattentionimmediately.
A-FillerbottleB-FillerhoseC-PlugofthellerhoseD-ValveturnerE-ValveinsertF-Tirevalve
Insertingsealant
1.Leavetheobjectthatcausedthepunctureinthetire.
2.Removesealantandtheenclosedstickerfromtheluggagecompartment.
3.Adherethestickerinthedriver’sfieldofvision.
4.ShakefillerbottleA.
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5.ScrewfillerhoseBontothefillerbottle.Thefillerbottleisnowopen.
6.UnscrewvalvecapfromtirevalveF.
7.RemovevalveinsertEfromthetirevalvewithvalveturnerD.Keepthevalveinsertinacleananddryplace.
8.RemoveplugCofthefillerhoseB.
9.Pushfillerhoseontothetirevalve.
10.Holdfillerbottlehigherthanthelevelofthetirevalveandpressittogetherforcefullyuntilthebottleiscompletelyemptiedintothetire.
11.Pullfillerhoseoffthetirevalve.
12.Twistthevalveinsertfirmlyintothetirevalveusingthevalveturner.
13.Connectthecompressortothecigarettelighterandinflatethetiretotheprescribedtirepressure.
Pleaseobservethechapter”TIREPRESSUREFORCOLDTIRES”onpage299.
14.Screwvalvecapontothetirevalve.
15.Checkthetirepressureafterdrivingforaround10minutes.Ifthetirepressureislessthan22psi(1.5bar),donotcontinuedriving.Ifavalueofmorethan22psi(1.5bar)isindicated,correctthepressuretotheprescribedvalue.
16.PleaseconsultyourauthorizedPorschedealer.
CareInstructions
Afterdrying,anysealantthatemergescanbepeeledofflikeafilm.
Warning!
Riskofaccidentresultinginseriouspersonalinjuryordeath.
HavethetirereplacedbyanauthorizedPorschedealerimmediately.
Avoidhardaccelerationandhighcorneringspeeds.
Donotexceedmaximumspeedof50mph(80km/h).
Pleasealwaysobservethesafetyandoper-atinginstructions,whichcanbefoundintheseparateoperatinginstructionsforthesealantandonthecompressor.
Frontjackingpoint
Liftingthevehicle
Liftingthevehiclewithaliftingplatformor
garagelift
Thecarmustberaisedonlyattheillustratedjackingpoints.
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Changingawheel
Danger!
Riskofseriouspersonalinjuryordeath.Thecarmayslipoffthejack.
Makesurethatnooneisinthevehiclewhenjackingupandchangingawheel.
Alwaysplacethecaronstablesupportsifworkhastobecarriedoutunderthecar.
Warning!
RiskofdamagetothebrakediscsofthePorscheCeramicCompositeBrake(PCCB).
Alwaysscrewinbothassemblyaidswhenchangingawheel.
Note
Thetoolsrequiredforchangingawheel(e.g.jack,wheelboltwrench,assemblyaids)arenotsuppliedwiththecar.TheyareavailableatyourauthorizedPorschedealer.
1.Fullyapplythehandbrake,engage1stgearorselectpositionPandwithdrawtheignitionkey.
2.Securethecaragainstrollingaway,e.g.bymeansofwedgesunderthewheelsontheoppositeside.Thisisparticularlyimportantonslopes.
ScrewinassemblyaidforvehicleswithoutPorscheCeramicCompositeBrake
3.Slightlyslackenthewheelboltsofthewheeltobechanged.
4.Raisethecaruntilthewheelliftsofftheground.
Pleaseobservethechapter”LIFTINGTHEVEHICLE”onpage252.
ScrewintwoassemblyaidsforvehicleswithPorscheCeramicCompositeBrake
Noteonoperation
Toremoveormountthespacers:
Pleaseobservethechapter”SPACERS”onpage257.
5.Remove1or2wheelbolts(seerespectiveillustration).Screwinassemblyaidsinsteadofthewheelbolts.Removetheremainingwheelbolts.
6.Takethewheeloffandputanewwheelon.
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