engine PORSCHE 911 CARRERA 2007 5.G Manual Online
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Page 247 of 355
Refueling
Fueltankcapacityislistedunder“Capacities”.Porschedoesnotrecommendtheuseoffueladditives.
Fuelishighlyammableandharmfultohealth.
Pleaseobservethechapter”CAPACITIES”onpage335.
1.Important:Stoptheengineandswitchofftheignition.
2.Slowlyunscrewthetankcap.Hangthetankcapontheplasticstrapofthefillerflap.
3.Insertfuel-hosenozzlefullyintothefillerneckwiththehandleofthefuel-hosenozzlefacingdown.
4.Donotaddfurtherfueloncethecorrectlyoperatedautomaticfuel-hosenozzlehasswitchedoff.Fuelcouldsprayorcouldrunoverinwarmtemperatures.
5.Replacethetankcapimmediatelyafterrefuelingandturnituntilyouhearitandfeelitengage.
Ifyoulosethetankcap,youmustreplaceitonlywithanoriginalparttoreducethepossibilityofareintheeventofacollision.
Note
Theoillevelisautomaticallymeasuredduringrefuelling.
Pleaseobservethechapter”OILDISPLAYANDMEASUREMENTOFTHEENGINEOILLEVEL”onpage136.
Portablefuelcontainers
Danger!
Portablefuelcontainers,fullorpartiallyempty,mayleakcausinganexplosion,orresultinreincaseofanaccident.
Nevercarryadditionalfuelinportablecontain-ersinyourvehicle.
Maintenance,CarCare245
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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.
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Page 249 of 355
EmissionControlSystem
Intheinterestofcleanair
Pollutionofourenvironmenthasbecomeaproblemthatisofincreasingconcerntoallofus.Weurgeyoutojoinusinoureffortsforcleanerairincontrollingthepollutantsemittedfromtheautomobile.
Porschehasdevelopedanemissioncontrolsystemthatcontrolsorreducesthosepartsoftheemissionthatcanbeharmfultoourenvironment.YourPorscheisequippedwithsuchasystem.
PorschewarrantstheEmissionControlSysteminyournewcarunderthetermsandconditionssetforthintheWarrantyBooklet.
You,astheownerofthevehicle,havetherespon-sibilitytoprovideregularmaintenanceserviceforthevehicleandtokeeparecordofallmaintenanceworkperformed.Tofacilitaterecordkeeping,havetheserviceperformedbyauthorizedPorschedeal-ers.TheyhavePorschetrainedtechniciansandspecialtoolstoprovidefastandefficientservice.
Toassureefcientoperationofthe
EmissionControlSystem:
HaveyourvehiclemaintainedproperlyandinaccordancewiththerecommendationsdescribedinyourMaintenanceBooklet.Lackofpropermaintenance,aswellasimproperuseofthevehicle,willimpairthefunctionoftheemissioncontrolsystemandcouldleadtodamage.
Donotalterorremoveanycomponentoftheemissioncontrolsystem.
Donotalterorremoveanydevice,suchasheatshields,switches,ignitionwires,valves,etc.,whicharedesignedtoprotectyourvehicle’semissioncontrolsystem.Inadditiontoseriousenginedamage,thiscanresultinafireifexcessrawfuelreachestheexhaustsystem.
Donotcontinuetooperateyourvehicleifyoudetectenginemisfireorotherunusualoperatingconditions.
Parking
Warning!
Dangerofreresultinginseriouspersonalinjuryordeath.
Donotparkoroperatethevehicleinareaswherethehotexhaustsystemmaycomeincontactwithdrygrass,brush,fuelspillorotherflammablematerial.
Ifyourcarcatchesonfireforanyreason,callthefiredepartment.Donotendangeryourlifebyattemptingtoputoutthefire.
Undercoating
Danger!
Dangerofreresultinginseriouspersonalinjuryordeath.
Donotapplyadditionalundercoatingorrust-proofingonorneartheexhaustmanifold,exhaustpipes,catalyticconvertersorheatshields.Duringdrivingthesubstanceusedforundercoatingcouldoverheatandignite.
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HowEmissionControlWorks
Whenanautomobileengineisrunning,itusesenergygeneratedthroughthecombustionofamixtureofairandfuel.Dependingonwhetheracarisdrivenfastorslowlyorwhethertheengineiscoldorhot,someofthefuel(hydrocarbons)maynotbeburnedcompletely,butmaybedischargedintotheenginecrankcaseorexhaustsystem.Additionalhydrocarbonsmayentertheatmospherethroughevaporationoffuelfromthefueltank.Thesehydrocarbons(HC),whenreleasedintotheair,contributetoundesirablepollution.
Inaddition,carbonmonoxide(CO)andoxidesofnitrogen(NOx)contributetoengineemissions.They,too,areformedduringthecombustionprocessanddischargedintotheexhaustsystem.
Toreducethesepollutants,yourPorscheisequippedwithapreciselycalibratedfuelinjectionsystemtoassureafinelybalancedair/fuelmixtureunderalloperatingconditions.
Oxygensensor
Theoxygensensor,installedintheexhaustpipecontinuouslysensestheoxygencontentoftheexhaustandsignalstheinformationtoanelectroniccontrolunit.Thecontrolunitcorrectstheair/fuelratio,sotheenginealwaysreceivesanaccuratelymeteredair/fuelmixture.
Crankcaseventilation
Throughcrankcaseventilation,undesirableemissionsfromtheenginecrankcasearenotpermittedtoreachtheoutsideatmosphere.Theseemissionsarerecirculatedfromthecrankcasetotheairintakesystem.Fromheretheemissionsmixwiththeintakeairandarelaterburnedintheengine.
Catalyticconverters
Thecatalyticconvertersareefficient“clean-up”devicesbuiltintotheexhaustsystemofthevehicle.Thecatalyticconvertersburntheundesirablepollutantsintheexhaustgasbeforeitisreleasedintotheatmosphere.
Theexclusiveuseofunleadedfueliscriticallyimportantforthelifeofthecatalyticconvert-ers.Therefore,onlyunleadedfuelmustbeused.
Thecatalyticconverterswillbedamagedby:
–pushortowstartingthevehicle
–misfiringoftheengine
–turningofftheignitionwhilethevehicleismovingor
–drivinguntilthefueltankiscompletelyempty
–byotherunusualoperatingconditions.
Donotcontinuetooperateyourvehicleundertheseconditions,sincerawfuelmightreachthecatalyticconverters.Thiscouldresultinoverheatingoftheconverters.Federallawprohibitsuseofleadedfuelinthiscar.
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Page 251 of 355
FuelEvaporationControl
Fueltankventing
Theevaporationchamberandthecarboncanisterpreventfuelfromescapingtotheatmosphereatextremehighoutsidetemperatures,whendrivingabruptlyaroundcurvesandwhenthecarisparkedataninclineorinanyothernonlevelposition.
Vaporcontrolsystemandstorage
Whenthefueltankisfilled,vaporsarecollectedintheevaporationchamberbyaventlineleadingthevaporstothecarboncanisterwheretheyarestoredaslongastheenginedoesnotrun.
Purgesystem
Whentheengineisrunning,thefuelvaporsfromthecanisterwillbemixedwithfreshairfromtheambientairofthecanister.Thismixturewillbedirectedtotheintakeairhousingbythetankventline,mixedwiththeintakeairandburnedduringnormalcombustion.
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WasherFluid
Capacity
–Withoutheadlightcleaningsystem:approxi-mately2.6quarts(2.5liters).
–Withheadlightcleaningsystem:approximately6.3quarts(6.0liters).
Washeruid
Thereservoir,withabluescrewcap,isintheluggagecompartment,totherearleft.
Cleanwaterisgenerallynotenoughtocleanthewindshieldandheadlights.Dependingon
theseason,mixthewaterwiththeappropriateadditives.Followtheinstructionsforthemixtureratio.
Onlyusewindowcleanerconcentratewhichmeetsthefollowingrequirements:
–Dilutability1:100
–Phosphate-free
–Suitableforplasticheadlightlenses.
WerecommendwindowcleanerconcentratesapprovedbyPorsche.YourauthorizedPorschedealerwillbepleasedtoadviseyou.
Summerlling
Water+windowcleanerconcentrateatthemixingratioindicatedonthecontainer.
Winterlling
Water+antifreezeprotection+windowcleanerconcentrateatthemixingratioindicatedonthecontainer.
Pleasenotealltheinformationonthecontain-ersofthewindowcleanerconcentrateortheantifreezeprotection.
Toppingoffwasheruid
1.Pleasenotealltheinformationontherefillcontainerofthecleaningagent.
2.Opencapofthewasher-fluidreservoir(arrow).
3.Topupwasherfluidandclosecapproperly.
Donotuseenginecoolantanti-freezeoranyothersolutionthatcandamagethecar’spaint,inthewasherreservoir.
Warninglight
Iflessthan0.52quarts(0.5liter)remains,awarningmessageappearsontheon-boardcomputer.
Addwasherfluid.
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Page 253 of 355
PowerSteering
Generalinformation
Powersteeringisassistedbyhydraulicauxiliaryforces.Thehydraulicfluidreservoirislocatedintheenginecompartment.
Note
Theflownoiseheardatfullsteeringlockisdesign-relatedanddoesnotindicateadefectinthesteeringsystem.
Warning!
Riskofaccidentresultinginseriouspersonalinjuryordeath.Whentheengineisstopped(e.g.whenbeingtowed)orthehydraulicsystemfails,thereisnoassistanceforsteering.Therefore,substantiallymoreforcewillhavetobeexertedinordertosteer.
Exercisegreatcarewhenbeingtowed.
HavethefaultremediedatyournearestauthorizedPorschedealer.
Checkinghydraulicuid
Pleaseobservethechapter”EXERCISEEXTREMECAUTIONWHENWORKINGONYOURVEHICLE”onpage232.
OnlyusehydraulicfluidauthorizedbyPorsche.
Pleaseobservethechapter”CAPACITIES”onpage335.
Checkthefluidlevelwiththeenginestoppedandcold(approximately68°F/20°C).
1.Opentheenginecompartmentlid.
2.Openthereservoircap.
3.Wipemeasuringrod.Closecapandreopen.Thefluidlevelshouldlieintheareabelowthe“Cold”marking.Addhydraulicfluidifnecessary.
4.Closecapcarefully.Closeenginecompart-mentlid.
Noticeablelossoffluidindicatesleakageinthesystem.ThecauseshouldberemediedimmediatelyatanauthorizedPorschedealer.
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Filter
Airlter
Adirtyairfilternotonlyreducesengineperform-ance,butcanleadtoprematureenginewear.
Regularfilterreplacementispartoftheroutinemaintenanceservice.
Industyconditions,checkthefilterelementmorefrequentlyandreplaceifnecessary.
Combinationlter
Thefreshairpassingthroughthecombinationfilterintothepassengercompartmentisvirtuallyfreeofdust,pollen,andunpleasantodors.
Iftheoutsideairispollutedbyexhaustfumes,presstherecirculating-airbutton.
Adirtyfiltercanbethecauseofreducedairflow:
HavefilterreplacedbyyourauthorizedPorschedealer.
Regularfilterreplacementispartoftheroutinemaintenanceservice.
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Page 256 of 355
AutomaticTransmissionFluid
ThetorqueconverterandthetransmissionarelubricatedwithAutomaticTransmissionFluid(ATF).Thefinaldriverequirestransmissionoil.
Pleaseobservethechapter”CAPACITIES”onpage335.
DonottowthecarorruntheenginewithoutATFinthetransmission.Theautomatictransmissionmaybedamagedbyevenatinyspeckofdirt,onlyacleanfunnelorspoutmustbeusedwhenaddingATF.
TheATFandtransmissionoilhastobecheckedandchangedattheintervalslistedinyourMainte-nanceSchedule.
WerecommendthatyouhavetheATFandtrans-missionoilchangedatyourPorschedealer,whohastherequiredlubricantsandthenecessaryfillingequipment.
Ifyoususpectanoilleakinthetransmission,haveyourauthorizedPorschedealercheckitoutimmediately.
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Applypaintpreservativeafterthecarwashandpolishitdrytoobtainabrightfinish.
Polishing
DonotresorttousingPorschepolishuntilitbecomesevidentthatthenormalpreservativesnolongerproducethedesiredfinish.
Spotsandstains
Removetarstains,grease,oilspotsanddeadinsectsassoonaspossiblewithInsectRemover.Theycancausediscolorationifallowedtoremainonthepaintwork.
Washtheaffectedareaimmediatelyaftertreatingit.
Minorpaintdamage
Haveminorpaintdamage,suchasscratches,scoresorchipscausedbyflyingstones,repairedimmediatelybyyourauthorizedPorschedealerbeforecorrosionsetsin.
However,iftherearealreadytracesofcorrosion,theymustfirstberemovedcarefullyandthorough-ly.Coattheareawitharust-proofingprimerandfinishoffwithatopcoat.ThepaintcodeandcolornumberarefoundonthedatabankintheMainte-nancebookletandonthefillerflap.
Enginecompartment
Theenginecompartmentandthesurfaceoftheenginearetreatedwithacorrosion-inhibitoratthefactory.
Ifdegreasingsolventsareusedtocleantheenginecompartmentortheengineiswasheddown,theprocessalmostinvariablyremovesthecorrosion-inhibitingcoating.Itisthenabsolutelynecessarytohaveadurablepreservativeappliedtoallsurfaces,bodyseams,jointsandassembliesintheenginecompartment.Thisalsoapplieswhencorrosion-inhibitorpartsarereplaced.
Caution!
Riskofdamagetothealternator.
Donotpointthecleaningjetdirectlyatthealternator,orcoverthealternator.
Effectivecorrosion-proofingisparticularlyimpor-tantduringthecoldweatherseason.Ifyourcarisdrivenfrequentlyinareaswheresalthasbeenspreadontheroads,thewholeenginecompart-mentshouldbecleanedthoroughlyafterthewintertopreventsaltfromcausinganylastingdamage.Afullunder-bodywashshouldalsobeperformedatthesametime.
Windows
Theroaddustwhichsettlesonthewindshieldandwindowscontainsparticlesoftirerubber
andoilresidue.Theinteriortrimandupholsteryreleaseparticles,particularlyinstrongsunlight,whichcollectontheinsidesofthewindows.Thesedepositsareaugmentedbyimpuritiesintheairwhichentersthecarthroughthefreshairvents.
Cleanallwindowsregularly,insideandoutside,withPorschewindowcleaner.
Ifyouuseachamoisleatherforthewindows,donotuseitforpaintworkasitwillotherwisepickupacertainamountofpreservativeorpolishandcouldsmearthewindowsandthusimpairvision.
RemovedeadinsectswithPorscheinsectremover.
Note
Doorwindowsfeatureawater-repellent(hydropho-bic)coatingwhichpreventssoilingofthewindows.Thiscoatingissubjecttonaturalwearandcanberenewed.
ConsultanauthorizedPorschedealer.
Wiperblades
Wiperbladesthatareinperfectconditionarevitalforaclearview.
Replacethewiperbladestwiceperyear(beforeandafterthecoldseason)orwheneverwiperperformancedeteriorates.
260Maintenance,CarCare