Page 242 of 355

BrakeFluidLevel
Useofbrakeuid
Pleaseobservethechapter”EXERCISEEXTREMECAUTIONWHENWORKINGONYOURVEHICLE”onpage232.
Useonlynew(unused)OriginalPorschebrakeuid.
Warning!
Brakeuidishazardoustoyourhealth,andmaybefatalifswallowed.Brakeuidalsoattackspaintwork.
Keepbrakefluidoutofchildren’sreach.
Takecarewhiletoppingoffbrakefluidnottosoiltheluggagecompartmentoritemsofluggage.
Example:911Carrera,911CarreraS
Checkingthebrakeuidlevel
Thereservoirforthehydraulicbrakingandclutchsystemsislocatedintheluggagecompartment.
1.OpenandremovecoverflapA.
2.Regularlycheckthebrake-fluidlevelonthetransparentexpansiontankthroughthewindowB.Thefluidlevelshouldalwaysliebetweentheminimumandmaximummarks.
Aslightdecreaseinthefluidlevelduetowearandautomaticreadjustmentofthediscbrakesisnormal.If,however,thefluidlevelfallsmarkedlyorbelowtheminimummark,thebrakingsystemmayhavedevelopedaleak.
HavethebrakesystemcheckedwithoutdelayatanauthorizedPorschedealer.
Changingthebrakeuid
Brakefluidabsorbsmoisturefromtheairovertime.Thisaccumulationofwaterlowerstheboilingpointand,undercertainoperatingconditions,canaffectthebrakingperformance.Thereforehavethebrakefluidchangedinaccordance
240Maintenance,CarCare
Page 277 of 355

Snowchains
Caution!
Riskofdamagetobody,axleorbrakecompo-nents.
Fitsnowchainsonlytotherearwheels,andonlywiththetire/rimcombinationlistedintheTechnicalData.Toensureadequateclearancebetweenchainandbody,Porscherecommendsonlytheuseoffine-linkchainssuchasthoseapprovedbyPorsche.
Pleaseobservethechapter”TECHNICALDATA”onpage328.
Followinstructionsissuedbythesupplierofthechains.
Differentstatesandcountrieshavevaryingstatutoryrequirementsregardingmaximumspeed.Checkwithlocalauthoritiesforpossiblerestrictions.
Removechainsassoonastheroadsarefreeoficeandsnow.
Fittingsnowchains
911Carrera,911CarreraS
Theuseofsnowchainsisnotpermittedwhen5mmspacersaremounted.
Caution!
Riskofdamagetothewheelhousingsifthe5mmspacersarenotremovedbeforettingsnowchains.
Topermitthefittingofsnowchains,havethe5mmspacersremovedonall4wheels.
Tofit/removethespacers:PleaseconsultanauthorizedPorschedealer.
Pleaseobservethechapter”5MMSPACERS”onpage288.
Tiredesignations
Duetonewspeedandloadratingsforradialtires,newdesignationshavecomeintoforceforsnowtiresforyourPorsche.
ThedesignationtobeusedforZRtiresise.g.,265/40ZR18(Z=codeletterforradialtiresforspeedsabove150mph/240km/h).
PracticalTips,EmergencyService275
Page 288 of 355

Spacers
911Carrera,911CarreraS
Generalinformation
UsethespacersonlytogetherwithwheelsandfasteningpartsapprovedbyPorsche.Beforehavingspacersfitted,findoutaboutthecurrentapprovalstatus.
Mountinganemergencysparewheel
If5mmspacersaremounted,thesemustnotberemovedtomountanemergencysparewheel.
Fittingsnowchains
Theuseofsnowchainsisnotpermittedwhen5mmspacersaremounted.
Caution!
Riskofdamagetothewheelhousingsifthe5mmspacersarenotremovedbeforettingsnowchains.
Topermitthefittingofsnowchains,havethe5mmspacersremovedonall4wheels.
Noteonoperation
Tofit/removethespacers:PleaseconsultanauthorizedPorschedealer.
Pleaseobservethechapter”5MMSPACERS”onpage288.
Pleaseobservethechapter”CHANGINGAWHEEL”onpage287.
911Carrera4,911Carrera4S,
911Targa4,911Targa4S
Generalinformation
UsethespacersonlytogetherwithwheelsandfasteningpartsapprovedbyPorsche.Beforehavingspacersfitted,findoutaboutthecurrentapprovalstatus.
Danger!
Riskofaccident.17mmspacersmustonlybemountedontherearaxletogetherwith11.5Jx19(67mmrimoffset)wheels.
Alwaysremove17mmspacersbeforemountingotherwheelsizesoranemergencysparewheelbecausethewheelcannotbemountedcorrectly.
Noteonoperation
Tofit/removethespacers:PleaseconsultanauthorizedPorschedealer.
Pleaseobservethechapter”17MMSPAC-ERS”onpage290.
Pleaseobservethechapter”CHANGINGAWHEEL”onpage287.
286PracticalTips,EmergencyService
Page 290 of 355

7.Screwinwheelbolts;removeassemblyaidsandscrewintheremainingwheelbolts.Initiallytightenboltsindiagonallyoppositesequencesothatthewheeliscentered.
Pleaseobservethechapter”WHEELBOLTS”onpage285.
8.Lowerthecarcompletely.
9.Tightenwheelboltsindiagonallyoppositesequence.
Immediatelyafterchangingawheel,useatorquewrenchtochecktheprescribedtighteningtorque(130Nm/96ftlb).
Checkingtirepressurewithapressure
gauge
1.Removethevalvestemcapfromthetire.
2.Pressthepressuregaugeontothevalvestem.
Noteonoperation
Donotpresstoohardorforcethevalvestemsideways,orairwillescape.Ifthesoundofairescapingfromthetireisheard,repositionthepressuregauge.
3.Readthetirepressureonthegaugestemandcompareittothepermissibletirepressure.ThisinformationcanbefoundonthetirepressureplateintheleftdoorapertureorinthechapterTechnicalData.
Pleaseobservethechapter”TIREPRESSURESFORCOLDTIRES”onpage334.
4.Removethepressuregauge.
Pleaseobservethechapter”TPCTIREPRESSUREMONITORING”onpage127.
911Carrera,911CarreraS
Mountinganemergencysparewheel
If5mmspacersaremounted,thesemustnotberemovedtomountanemergencysparewheel.
Fittingsnowchains
Theuseofsnowchainsisnotpermittedwhen5mmspacersaremounted.
Caution!
Riskofdamagetothewheelhousingsifthe5mmspacersarenotremovedbeforettingsnowchains.
Topermitthefittingofsnowchains,havethe5mmspacersremovedonall4wheels.
Tofit/removethespacers:PleaseconsultanauthorizedPorschedealer.
5mmspacers
Requiredscopeofpartsifthespacersare
removed
Shortcountersunkscrews(M6x12)PartNo:900.269.047.09
1setshortwheelboltsPartNo:996.361.203.02
Shortanti-theftprotectionPartNo:996.361.057.01
288PracticalTips,EmergencyService
Page 330 of 355

TechnicalData
Enginedata
911Carrera,911Carrera4,911Targa4911CarreraS,911Carrera4S,911Targa4S911CarreraS,911Carrera4S,911Targa4S(increasedperformanceversion)
TypeM96/05Horizontallyopposedengine,liquidcooled
M97/01Horizontallyopposedengine,liquidcooled
M97/01SHorizontallyopposedengine,liquidcooled
Numberofcylinders666
Bore3.78in./96mm3.90in./99mm3.90in./99mm
Stroke3.26in./82.8mm3.26in./82.8mm3.26in./82.8mm
Cubiccapacity219.4cu.in./3596cm³233.3cu.in./3824cm³233.3cu.in./3824cm³
Net-horsepower,SAEJ1349325hp/239kW355hp/261kW381hp/280kW
atcrankshaftspeed6800rpm6600rpm7200rpm
Nettorque,SAEJ1349273ft.lb./370Nm295ft.lb./400Nm307ft.lb./415Nm
atcrankshaftspeed4250rpm4600rpm5500rpm
Engineoilconsumptionupto1.5liters/1000km(1.6quarts/622miles)upto1.5liters/1000km(1.6quarts/622miles)upto1.5liters/1000km(1.6quarts/622miles)
EnginecontrolStationaryhigh-voltagedistribution,sequentialinjection,cylinder-selectiveknock-control,stereooxygensensorclosed-loopcontrol,diagnosticsystem,4overheadcamshafts,PorscheVarioCamPlus,hydraulicvalveclearancecompensa-tion
328VehicleIdentification,TechnicalData
Page 332 of 355

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
Page 334 of 355

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
Page 336 of 355
Tirepressuresforcoldtires
Summerandsnowtires911Carrera,911CarreraS
18inchwheelsfrontrear36psi(2.5bar)44psi(3.0bar)
19inchwheels,partiallyloaded(upto2personswithoutluggage)frontrear33psi(2.3bar)39psi(2.7bar)
19inchwheels,fullyloaded(asof2personswithluggage)frontrear36psi(2.5bar)44psi(3.0bar)
Summerandsnowtires911Carrera4,911Carrera4S,911Targa4,911Targa4S
18inchand19inchwheels,partiallyloaded(upto2personswithoutluggage)frontrear33psi(2.3bar)39psi(2.7bar)
18inchand19inchwheels,fullyloaded(asof2personswithluggage)frontrear36psi(2.5bar)44psi(3.0bar)
ThesetirefillingpressuresapplyonlytothetiremakesandtypesapprovedbyPorsche.
Pleaseobservethechapter”TIRES/WHEELS”onpage267.
Pleaseobservethechapter”TPCTIREPRESSUREMONITORING”onpage127.
334VehicleIdentification,TechnicalData