wheel PORSCHE CAYMAN 2007 1.G Repair Manual

–fourthfour-digitcodemeansdateofmanu-facture.If,forexample,thelastfournumbersread0204,thetirewasproducedinthe2ndweekof2004.
CTireplycompositionandmaterial
Thenumberoflayersinthetreadandsidewallsandtheirmaterialcomposition.
DMaximumpermissibleinationpressure
Themaximumpermissiblecoldinflationpressuretowhichatirecanbeinflated.
Donotexceedthepermissibleinflationpressure.
EMaximumLoadrating
Themaximumloadinkilogramsandpoundscanbecarriedbythetire.Ifyoureplacetiresalwaysuseatirethathasthesamemaximumloadratingasthefactoryinstalledtire.
FRadial
Theidentificationindicatesifthetirehasradialstructure.
GTermoftubelessortubetire
Identificationfortubelesstires.
Speedcodeletter
Thespeedcodeletterindicatesthemaximumpermissiblespeedforthetire.Thiscodeletterisshownonthetiresidewall.
T=upto118mph(190km/h)
H=upto131mph(210km/h)
V=upto150mph(240km/h)
W=upto167mph(270km/h)
Y=upto186mph(300km/h)
Tipondriving
TireswithamaximumspeedratingthatislowerthanthespecifiedmaximumvehiclespeedmaybemountedonlyiftheybearanM+Sidentificationonthetiresidewall.
Pleasenotethatinadditiontothewintertires,all-seasonandall-terraintiresarealsosubjecttospeedlimitsandbearthisidentification.
Inscriptiononlightalloywheels
Maintenancenote
Protectthevalveinsertsagainstsoilingwithvalvecaps.Useonlyplasticvalvecaps.Soiledvalveinsertscancauseagraduallossofair.
A-RimwidthininchesB-Rim-angecontourcodeletterC-Symbolfordrop-centerrimD-RimdiameterininchesE-DoublehumpF-Rimoffsetinmm
Noteonoperation
TherimwidthininchesAandtherimoffsetFarevisiblefromtheoutside.Thisinformationcanbefoundnearthetirevalve.
PracticalTips,EmergencyService247

WheelBolts
Danger!
Riskofwheelboltbreakageandwheelseparation,resultinginseriouspersonalinjuryordeath.
Followallinstructionsconcerningwheelbolts.
Alwayscleanthewheelboltsbeforefitting.
ApplyathincoatofOptimolyTA(aluminumpaste)onthethreadandbetweentheboltheadandmovablesphericalcapring(arrows).Thebearingsurfaceofthesphericalcapfacingthewheelmustnotbegreased.
Replacedamagedwheelbolts.OnlyusetheOriginalPorschewheelboltsspeciallydesignedforthisvehicletype.
Tighteningtorque
Tighteningtorqueofwheelbolts:130Nm/96ftlb.
WheelSecuringBolts
Ifthewheelshavetoberemovedattheworkshop,pleasedonotforgettohandoverthewrenchsocketforthewheelsecuringboltsalongwiththecarkey.
Thewrenchsocketforthewheelsecuringboltsisinthetoolbox.
Toloosenortightenthewheelboltwithanti-theftprotection,awrenchsocketwiththeappropriatecodingmustbeusedbetweenthewheelboltandthewheel-boltspanner.
Whenpositioningthewrenchsocket,ensurethatitengagesfullyintheteethofthewheelbolt.
254PracticalTips,EmergencyService

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.
PracticalTips,EmergencyService255

7.Screwinwheelbolts;removeassemblyaidsandscrewintheremainingwheelbolts.Initiallytightenboltsindiagonallyoppositesequencesothatthewheeliscentered.
Pleaseobservethechapter”WHEELBOLTS”onpage254.
8.Lowerthecarcompletely.
9.Tightenwheelboltsindiagonallyoppositesequence.
Immediatelyafterchangingawheel,useatorquewrenchtochecktheprescribedtighteningtorque(130Nm/96ftlb.).
Checkingtirepressurewithapressure
gauge
Pleaseobservethechapter”TPCTIREPRESSUREMONITORING”onpage122.
1.Removethevalvestemcapfromthetire.
2.Pressthepressuregaugeontothevalvestem.
Noteonoperation
Donotpresstoohardorforcethevalvestemsideways,orairwillescape.Ifthesoundofairescapingfromthetireisheard,repositionthepressuregauge.
3.Readthetirepressureonthegaugestemandcompareittothepermissibletirepressure.ThisinformationcanbefoundonthetirepressureplateorinthechapterTechnicalData.
Pleaseobservethechapter”TIREPRESSUREFORCOLDTIRES”onpage299.
4.Removethepressuregauge.
256PracticalTips,EmergencyService

Spacers
Generalinformationtotheuseofspacers
UsethespacersonlytogetherwithwheelsandfasteningpartsapprovedbyPorsche.Beforehavingspacersfitted,findoutaboutthecurrentauthorizationstatus.
Mountinganemergencysparewheel
If5mmspacersarefitted,thesemustnotberemovedtomountanemergencysparewheel.
Fittingsnowchains
Theuseofsnowchainsisnotpermittedwhen5mmspacersaremounted.
Caution!
Riskofdamagetowheelhousingsifthe5mmspacersarenotremovedbeforettingsnowchains.
Inordertoenablethefittingofsnowchains,havethe5mmspacersremovedonall4wheels.
Noteonoperation
Tofit/removethespacers:PleaseconsultanauthorizedPorschedealer.
Removing/mountingthespacers
Requiredscopeofpartsifthespacersare
removed
Shortcountersunkscrews(M6x12)PartNo:900.269.047.09
1setofshortwheelboltsPartNo:996.361.203.02
Shortanti-theftprotectiondevicesPartNo:996.361.057.01
PracticalTips,EmergencyService257

Removingthespacers
Pleaseobservethechapter”CHANGINGAWHEEL”onpage255.
1.Unscrewbothcountersunkscrews(M6x16)onthewheelhub.
2.Removethespacer.
3.FastenthebrakediscwiththeshortM6x12countersunkscrews,partNo.900.269.047.09.Tighteningtorque10Nm(7.5ftlb.).
4.Forwheelmountingwithoutaspacer,5mmshorterwheelbolts(partNo:996.361.203.02)mustbeused.Tighten-ingtorque130Nm(96ftlb.).
Mountingthespacers
Pleaseobservethechapter”CHANGINGAWHEEL”onpage255.
1.Removewheel
2.Unscrewbothcountersunkscrews(M6x12)onthebreakdisc.
3.FastenthespacerwiththelongM6x16countersunkscrews.Tighteningtorque10Nm(7.5ftlb.).
4.Fitwheel.Todothisusethelongerwheelboltsforfasteningthewheels.Tighteningtorque130Nm(96ftlb.).
Longwheelbolt,X-boltlengthapprox.50mm,Arrows-marks
Wheelboltidentifyingfeatures
ThelongwheelboltsareidentifiedonthefacesurfaceoftheboltheadwithGTorinred,orthemoveablesphericalcapringisgalvanisedinred.Thelongwheelboltsmustonlybeusedtogetherwith5mmspacersfitted.
Theshortwheelboltsarenotmarkedincolor.Theshortwheelboltsmustonlybeusedwithout5mmspacersfitted.
Tighteningtorqueforbothwheelbolts:130Nm(96ftlb.).
258PracticalTips,EmergencyService

Sidemarkerlight
Changingbulb
1.Removethecapinthewheelhousinglinerwithascrewdriver.
2.Insertthescrewdriverintotheopeninginthewheelhousinglineratrightanglestotheturnsignalhousing.Bypressingwiththescrewdriver,disengagethesecuringspringBofthedirectionindicatorhousing.
3.Swivelouttheindicatorlightandundobulbholder(bayonetlock).
4.Removethebulbfromtheholderandreplaceit.Insertholder.Checkoperationofthelight.
5.Inserttheturnsignal’sretaininglugsAintothesidesectionatthefront.PushinturnsignaluntilthesecuringspringBisfelttoengage.
6.Pressthecapintothewheelhousingliner.
278PracticalTips,EmergencyService

Towing
Generalinformation
Certainstatestatutesandlocalordinancesprohibittowingwithachain,ropeorevenatowbar.Inaddition,damagetoyourvehiclemayresultfromimproperprocedures.ConsultyourauthorizedPorschedealerfordetails.
Vehicletowing
FlatbedtowingisthepreferredtypeoftowingtobeusedonPorschevehicles.Undercertaincircumstances,wheelliftsmaybeusedwhenthevehiclewillnotroll.Thevehiclemustbetowedwithallfourwheelsofftheground,otherwisedamagetothevehiclemayresult.
Towinghook
ThetowinghookAisstoredinthetoolboxintheluggagecompartment.
Caution!
Riskofdamagetothevehicle.
Usethetowinghookonlyforanemergencytoremovethevehicleofftheroad.Thetowinghookistobeusedonlytopullthevehicleontotheflatbed,tractorortowingapparatusifthevehiclewillrollfreely.Undernocircumstancesisthevehicletobesecuredusingthetowinghook.
Neverusethetowinghooktotowthisoranyothervehicle.
Bearinmindthelimitedgroundclearenceofyourcaronunevensurfaces.
PracticalTips,EmergencyService287

Tyingdownvehicleonatbed
1.Carefullyfeedtowingstrapsthroughtheopeningintherearwheels.Makesuremetalpartsofstrapsdonotdamagerim.Makesurethestrapisflatovertherimbead.Makesurebrakebackingplateisnotdamaged.
2.Securestrapstorearofflatbed.
3.Reelinhoistcableonlyfarenoughtotensiontie-downstraps.
4.Carefullyfeedtowingstrapsthroughtheopeninginthefrontwheels.Makesuremetalpartsofstrapsdonotdamagerim.Makesurethestrapisflatovertherimbead.Makesurebrakebackingplateisnotdamaged.
5.Securestrapstofrontofflatbed.
6.Releasetensiononhoistcable,butdonotdisconnect.Usehoistcableasasafetycable.
PracticalTips,EmergencyService289

Tires,Rims,Tracks
CaymanSTireRimRimoffsetTrack
Summertiresfront235/40ZR18(91Y)8Jx18H257mm58.5in./1486mm
rear265/40ZR18(101Y)XL9Jx18H243mm60.2in./1528mm
orfront235/35ZR19(87Y)8Jx19H257mm58.5in./1486mm
rear265/35ZR19(94Y)9.5Jx19H246mm60.0in./1522mm
Snowtiresfront235/40R1891VM+S8Jx18H257mm58.5in./1486mm
rear255/40R1895VM+S*9Jx18H243mm60.2in./1528mm
Theloadcapacitycoefficient(e.g.“91”)andmaximumspeedcodeletter(e.g.“V”)areminimumrequirements.Pleaseobservethechapter”TIRES/WHEELS”onpage237.
Danger!
InstallationofsizesnotauthorizedbyPorschemayhaveadangerouseffectonthedrivingstabilityandcouldresultinseverepersonalinjuryordeath.
Beforemountingnewtires,checkwithyourPorschedealeraboutthecurrentreleasestatus.
TireandrimsizesExtensivetestsareperformedbeforespecifictiresandwheelsareapprovedbyPorsche.YourPorschedealerhasinformationaboutapprovedtiresandwheelsandishappytoassistyou.Ifaftermarkettiresand/orwheelsareinstalledwhicharenotapprovedbyPorsche,thevehicle’sdriveability,stabilitywhileinmotionandhandlingcharacteristicsmightbeimpaired.SincePorschehasnodataonsuchcombinations,Porschecannotstandbehindthesafetyordurabilityoftheseaftermarketcombinations.
Snowchains*Canbemountedonlyontherearwheels;maximumspeed30mph/50km/h.UseonlyPorscheauthorizedfine-linkcross-typeoredgechains.Snowchainclearancecanbeguaranteedonlywiththetire+rimcombinationmarked.
298VehicleIdentification,TechnicalData