2007 PORSCHE 911 CARRERA temperature

FuelRecommendations
YourPorscheisequippedwithcatalyticconvertersandmustuseUNLEADEDFUELONLY.
Yourengineisdesignedtoprovideoptimumperformanceandfueleconomyusingunleadedpremiumfuelwithanoctaneratingof98RON(93CLCorAKI).Porschethereforerecommendstheuseofthesefuelsinyourvehicle.
Porschealsorecognizesthatthesefuelsmaynotalwaysbeavailable.Beassuredthatyourvehiclewilloperateproperlyonunleadedpremiumfuelswithoctanenumbersofatleast95RON(90CLCorAKI),sincetheengine’s“ElectronicOctane™knockcontrol”willadapttheignitiontiming,ifnecessary.
TheuseofUNLEADEDFUELONLYiscriticallyimportanttothelifeofthecatalyticconvert-ers.Depositsfromleadedfuelswillruintheconvertersandmakeitineffectiveasanemis-sioncontroldevice.
Carswithcatalyticconvertershaveasmallerfueltankopening,andgasstationpumpshavesmallernozzles.Thiswillpreventaccidentalpumpingofleadedfuelintocarswithcatalyticconverters.
UnleadedfuelsmaynotbeavailableoutsidethecontinentalU.S.andCanada.Therefore,werecommendyoudonottakeyourcartoareasorcountrieswhereunleadedfuelmaynotbeavailable.
Octaneratings
Octaneratingindicatesafuel’sabilitytoresistdetonation.Therefore,buyingthecorrectoctanegasisimportanttopreventengine“damage”.
TheRONoctaneratingisbasedontheresearchmethod.TheCLC(U.S.CostofLivingCounciloctanerating)orAKI(antiknockindex)octaneratingusuallydisplayedonU.S.fuelpumpsiscalculatedasresearchoctanenumberplusmotoroctanenumber,dividedby2,thatiswrittenas:
RON+MONR+M
2or2
TheCLCorAKIoctaneratingisusuallylowerthantheRONrating:
Forexample:95RONequals90CLCorAKI
Fuelscontainingalcoholandether
SomeareasoftheU.S.requireoxygenatedfuelsduringcertainportionsoftheyear.Oxygenatedfuelsarefuelswhichcontainalcohols(suchasmethanolorethanol)orether(suchasMTBE).
Undernormalconditions,theamountofthesecompoundsinthefuelwillnotaffectdriveability.
YoumayuseoxygenatedfuelsinyourPorsche,providedtheoctanerequirementsforyourvehiclearemet.Werecommend,however,tochangetoadifferentfuelorstationifanyofthefollowingproblemsoccurwithyourvehicle:
–Deteriorationofdriveabilityandperformance.
–Substantiallyreducedfueleconomy.
–Vaporlockandnon-startproblems,especiallyathighaltitudeorathightemperature.
–Enginemalfunctionorstalling.
FuelscontainingMMT
SomeNorthAmericanfuelscontainanoctaneenhancingadditivecalledmethylcyclopentadienylmanganesetricarbonyl(MMT).
Ifsuchfuelsareused,youremissioncontrolsystemperformancemaybenegativelyaffected.
Thecheckenginewarninglightonyourinstrumentpanelmayturnon.Ifthisoccurs,Porscherecom-mendsyoustopusingfuelscontainingMMT.
246Maintenance,CarCare

FuelEvaporationControl
Fueltankventing
Theevaporationchamberandthecarboncanisterpreventfuelfromescapingtotheatmosphereatextremehighoutsidetemperatures,whendrivingabruptlyaroundcurvesandwhenthecarisparkedataninclineorinanyothernonlevelposition.
Vaporcontrolsystemandstorage
Whenthefueltankisfilled,vaporsarecollectedintheevaporationchamberbyaventlineleadingthevaporstothecarboncanisterwheretheyarestoredaslongastheenginedoesnotrun.
Purgesystem
Whentheengineisrunning,thefuelvaporsfromthecanisterwillbemixedwithfreshairfromtheambientairofthecanister.Thismixturewillbedirectedtotheintakeairhousingbythetankventline,mixedwiththeintakeairandburnedduringnormalcombustion.
Maintenance,CarCare249

Cleaning
Caution!
Riskofdamageduetothecleaningjetofthehigh-pressurecleaningequipmentorhotwaxtreatment.
Donotcleantheconvertibletopwithhigh-pressurecleaningequipment.
Donotusethehotwaxtreatment.
Donotwashtheconvertibletopeachtimethecariswashed.Itisusuallysufficienttosprayorwashitwithcleanwater.
Brushdustofftheconvertibletopinthedirectionoftheweaveusingasoftbrush.
Onlyifthereisheavydirt,wettheconvertibletopwithlukewarmwaterandthePorscheWash-Shampoo&convertible-topcleaner,usingaspongeorsoftbrush,andrubgently.RinseWash-Shampoo&convertible-topcleanerthoroughlyofftheconvertibletopwithcleanwater.
Afterwashingit,treattheconvertible-topcoveratleastonceayearwiththespecialPorscheconvertible-topcareproduct.Donotallowtheconvertible-topcareproducttocomeintocontactwithpaintorwindows.Ifitdoes,removeimmediately.
Ifthereisleakageintheconvertible-topcoveroratitsseamsorfolds,thespecialPorscheconvertible-topcareproductcanbeused.
Pleasenotetheinformationonthecontainer.
Removebirddroppingsimmediatelysincetheacidinthemwillmaketherubberswellandtheconvertibletopwillbecomeleaky.
Openconvertibletoponlywhenitiscompletelydry,otherwisedampstainsandscrubmarksmayoccurwhichcannotberemoved.
Trytoremovespotsfromtheconvertible-topcoverbyrubbingcarefullywithasoftrubbersponge.
Doorlock
Topreventthedoorlockfromfreezingduringthecoldseason,thelockcylindershouldbecoveredduringawash.
Shouldthelockfreeze,useanordinaryde-icer.Inmanycases,awellwarmedkeycanhelp.Neveruseexcessiveforce.
Paint
Generalinformation
Neverrubadustycarwithadryclothsincedustparticlesareabrasiveandcoulddullanddamagethesurfacefinish.
Thepaintworkofyourcarisexposedtoalltypesofmechanicalandchemicalconditions,particularlyclimaticonessuchasbrightsunlight,rain,frostandsnow.Ultravioletlight,rapidchangesintemperature,rain,snow,industrialdustandchemicaldepositsconstantlyattackthepaintwhichisonlyabletowithstandsuchexposureinthelongtermifitisgivenregularcareandattention.
Donotapplysiliconepolishestothewind-shield,windowsorconvertibletop.
Donottreatmatt-paintedcomponentswithpreservativesorpolishesasthiswillspoilthematteeffect.
Preservation
Thepaintsurfacebecomesdullovertimeduetoweathering.Itisthereforenecessarytopreservethepaintregularly.Thiskeepsthepaintshinyandelastic.Dirtispreventedfromadheringtothepaintsurfaceandindustrialdustispreventedfrompenetratingthepaint.
Provideditiswashedandtreatedwithpreservativeregularly,thebrandnewfinishofyourcarwillberetainedforyearstocome.
Maintenance,CarCare259

ExerciseExtremeCautionwhen
WorkingonyourVehicle
Danger!
Ignoringthefollowinginstructionsmaycauseseriouspersonalinjuryordeath.
Theenginecompartmentofanymotorvehicleisapotentiallyhazardousarea.Ifyouarenotfullyfamiliarwithproperrepairprocedures,donotattempttheadjustmentsdescribedonthefollowingpages.Thiscautionalsoappliestotheentirevehicle.
Onlyworkonyourvehicleoutdoorsorinawellventilatedarea.
Ensurethattherearenoopenflamesintheareaofyourvehicleatanytimewhenfuelfumesmightbepresent.Beespeciallycautiousofsuchdevicessuchashotwaterheaterswhichigniteaflameintermittently.
Beforeworkingonanypartintheenginecom-partment,turntheengineoffandletitcooldownsufficiently.Hotenginecompartmentcomponentscanburnskinoncontact.
Bealertandcautiousaroundengineatalltimeswhiletheengineisrunning.Ifworkhastobeperformedwiththeenginerunning,alwayssettheparkingbrake,andmakesuretheshiftleverisinneutralpositionortheselectorleverinpositionPorN.
Inparticular,beverycarefultoensurethatitemsofclothing(ties,shirt,sleevesetc.),jewelry,longhair,handorfingerscannotgetcaughtintheengine-compartmentblower,fan,beltsorothermovingparts.Theradiatorandradiatorfansareinthefrontofthecar.Theengine-compartmentblowerismountedontheengine-compartmentlid.Theengine-compartmentblowercanstartorcontinuerunningasafunctionoftemperature,evenwiththeengineswitchedoff.Carryoutworkintheseareasonlywiththeengineoff,theignitionswitchedoff,andexerciseextremecaution.
YourPorscheisequippedwithanelectronicignitionsystem.Whentheignitionison,highvoltageispresentinallwiresconnectedwiththeignitionsystem;therefore,exerciseextremecautionwhenworkingonanypartoftheenginewhiletheignitionisonortheengineisrunning.
Alwayssupportyourcarwithsafetystandsifitisnecessarytoworkunderthecar.
Whenworkingunderthecarwithoutsafetystandsbutwiththewheelsontheground,makesurethecarisonlevelground,thewheelsareblocked,andthattheenginecannotbestarted.Removetheignitionkey.
Donotsmokeorallowanopenflamearoundthebatteryorfuel.Keepafireextinguishercloseathand.
Incompleteorimproperservicingmaycauseproblemsintheoperationofthecar.Ifindoubtaboutanyservicing,haveitdonebyyourauthorizedPorschedealer.ImpropermaintenanceduringthewarrantyperiodmayaffectyourPorschewarrantycoverage.
Suppliesoffluids,e.g.engineoil,brakefluidorcoolant,arehazardoustoyourhealth.Keepthesefluidsoutofchildren’sreachanddisposeoftheminaccordancewiththeappropriateregulations.
Somecountriesrequireadditionaltoolsandspecialsparepartstobecarriedinyourvehicle.Pleasemakeenquiriesbeforedrivingabroad.
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wearoneandahalf(1-1/2)timesaswellonthegovernmentcourseasatiregraded100.Therelativeperformanceoftiresdependsupontheactualconditionsoftheiruse,however,andmaydepartsignificantlyfromthenormduetovariationsindrivinghabits,servicepracticesanddifferencesinroadcharacteristicsandclimate.
TractionAA,A,B,C
Thetractiongrades,fromhighesttolowest,areAA,A,B,andCandtheyrepresentthetire’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!
Incorrecttirepressurecausesincreasedtirewearandadverselyaffectsroadhandling.Thiscouldleadtotirefailure,resultinginlossofcontrol,leadingtoseriouspersonalinjuryordeath.
Alwaysuseanaccuratetirepressuregaugewhencheckinginflationpressures.
Donotexceedthemaximumtirepressurelistedonthetiresidewall.
Pleaseobservethechapter”TIREPRESSUREPLATE”onpage327.
Coldtireinflationpressuremeans:alltiresmustbecold,ambienttemperaturemaximum(68°F/20°C),whenadjustingtheinflationpressure.Avoidsunlightstrikingthetiresbeforemeasuringcoldpressures,sincethepressureswouldrisefromtemperatureinfluence.
Valvecapsprotectthevalvefromdustanddirt,andthusfromleakage.Alwaysscrewcapstightlydown.Replacemissingcapsimmediately.
Useonlyplasticvalvecaps.
268PracticalTips,EmergencyService

Snowtires
Forabettergriponsnowandice,useradialM+Stireswithstuds.CheckwithyourlocalMotorVehicleBureauforpossiblerestrictions.
Danger!
Riskoflossofcontrolanddamagetothevehicleaswellasseriouspersonalinjuryordeath.Thestandardtiresproleandrubbermixtureareoptimizedforwetanddrydrivingconditions,andmaynotprovefavorableforsnowconditions.
ThereforeinstallM+Stiresbeforedrivinginsuchconditions.
Beforemountingsnowtires,consultwithyourPorschedealer.Hehasthetechnicalinformationnecessarytoadviseyouonwheelandtirecompatibility.
Snowtiresshouldhavethesameloadcapacityasoriginalequipmenttiresandshouldbemountedonallfourwheels.Snowtireswithstudsshouldberunatmoderatespeedswhennewinordertogivethestudstimetosettle.
Danger!
Tireswithbadlyworntreadsandstudsareverydangerousandcouldcauseaccidentsresultinginseriouspersonalinjuriesordeath.
Makesuretheyarereplacedimmediately.
Donotdriveavehicleequippedwithsnowtiresatprolongedhighspeed.Snowtiresdonothavethesamedegreeoftractionondry,wetorsnowfreeroadsasanormaltire.Furthermore,snowtireswearrapidlyundertheseconditions.
Complywithallstateandlocallawsgoverningsnowtireandtreaddepthrequirements.
Danger!
Riskofaccidentandseriouspersonalinjuryordeathduetoexcessivespeed.
Alwayscheckthemaximumspeedratingonthetiresidewallonanytireonthevehicle.
Neverexceedthemaximumspeedratingofthetires.
Fitwintertirestobothaxleswellbeforethecoldseasonbegins.YourauthorizedPorschedealerwillbepleasedtoadviseyou.
Maintenancenote
Werecommendfittingwintertiresonthevehicleattemperaturesbelow45°F(7°C).
Wintertireslosetheirtractioncapabilitywhentheirtreaddepthfallsbelow5/32in.(4mm).
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Batterycare
Ensurethatbatteryissecurelymounted.
Keepterminalsandconnectionscleanandproperlytightened.Corrosioncanbepreventedbycoatingtheterminalsandconnectionswithpetroleumjellyorsiliconespray.
Ensurethatventcapsaresecurelytightenedtopreventspillage.
Checkingtheelectrolyteuidlevel
Generally,theelectrolytelevelmustbecheckedmoreofteninsummerthaninthewinter,andmoreoftenwhendrivinglongdistances.
Whenaddingwater,useonlycleancontainers.Innocasemayalcohol(e.g.windowcleanerresidues)bepermittedtoenterthebattery.
Unscrewandopenthefillerventcapsofeachcell.
Withthecaronalevelsurface,thefluidlevelshouldmeettheindicatormarkineachcell.
Ifnecessary,topupwithdistilledwater.Donotuseacid.Onlyfilluptothemark,otherwisetheelectrolytewilloverflowwhenthebatteryisbeingchargedandcausedamage.
Batterycharging
Automotivebatteriesloosetheirefficiencywhennotinuse.Thechargeavailableinyourbatterycanbemeasuredwithabatteryhydrometer.WerecommendthatthebatteryvoltagebetestedbyyourPorschedealerwhohastheappropriateequipment.
Ifthecarisnotdrivenforprolongedperiods,thebatterymustbechargedatleastevery6weeks.Adischargedbatteryallowsrapidformationofsulfates,leadingtoprematuredeteriorationoftheplates.
Danger!
Hydrogengasgeneratedbythebatterycouldcauseanexplosion,resultinginseriouspersonalinjuryordeath.
Chargebatteryinawellventilatedarea.
Neverchargeafrozenbattery.Itmayexplodebecauseofgastrappedintheice.Allowafrozenbatterytothawoutfirst.
Ifyougetelectrolyte,whichisanacid,inyoureyesoronyourskin,immediatelyrinsewithcoldwaterforseveralminutesandcalladoctor.
Slowbatterycharging
1.Payattentiontoallwarningsandfollowinstructionsthatcomewithyourbatterycharger.
2.Whencharging,ensureadequateventilation.
3.Removebattery.
Pleaseobservethechapter”REMOVINGTHEBATTERY”onpage297.
4.Allventcapsshouldbeopen.Thefluidlevelshouldmeettheindicatormarkineachcell.
5.Ensurethatchargerisswitchedoff-dangerofshortcircuit!
6.Connectchargercables.ChargercablesmustbeconnectedPOSITIVE(+)toPOSI-TIVE(+)andNEGATIVE(-)toNEGATIVE(-).
7.Switchoncharger.Normally,abatteryshouldbechargedatnomorethan10percentofitsratedcapacity.Ratedcapacityofthebatteryinyourvehicleislistedonthebatteryhousing.
8.Aftercharging,turnoffchargeranddisconnectchargercables.
9.Tightentheventcapsandreinstallbattery.
Pleaseobservethechapter”INSTALLINGTHEBATTERY”onpage298.
Winteroperation
Thecapacityandabilityofthebatterytostorepowerdecreasesatlowoutsidetemperatures.
296PracticalTips,EmergencyService

Lights,ReplacingBulbs
Generalinformation
Warning!
Riskofshortcircuit.
Alwaysswitchofftherelevantcomponentswhenchangingbulbs.
Warning!
Riskofseriouspersonalinjuryordeath.TheBiXenonheadlightsareunderhighvoltagewheninstalled.
BecarefulduringallworkintheareaoftheBiXenonheadlights.
Caution!
Riskofdamage.Bulbsofahigherwattagecandamagethelamphousing.
Onlythebulbsshowninthechartmaybeused.
Newbulbsmustbecleanandfreefromoil,greaseandfingerprints.Therefore,nevertouchbulbswithyourbarehands.Useaclothorsoftpaperwhilereplacingbulbs.
Caution!
Riskofdamagetoheadlightsduetoexcessivetemperaturesandabrasion.
Attachnocoverings(e.g.films,“stoneguards”)intheareaoftheheadlights.
Usesoapywateronlytocleanlightlensesandplasticheadlightlenses.Innocasemaychemicalcleanersorothervolatilecleaningfluidsbeused.
Topreventscratches,donotrubwithadryormerelymoistcloth,tissueorinsectsponges.
302PracticalTips,EmergencyService