2007 PORSCHE CAYMAN Port

ExerciseExtremeCautionwhen
WorkingonyourVehicle
Danger!
Ignoringthefollowinginstructionsmaycauseseriouspersonalinjuryordeath.
Theenginecompartmentofanymotorvehicleisapotentiallyhazardousarea.Ifyouarenotfullyfamiliarwithproperrepairprocedures,donotattempttheadjustmentsdescribedonthefollowingpages.Thiscautionappliestotheentirevehicle.
Onlyworkonyourvehicleoutdoorsorinawellventilatedarea.
Ensurethattherearenoopenflamesintheareaofyourvehicleatanytimewhenfuelfumesmightbepresent.Beespeciallycautiousofsuchdevicessuchashotwaterheaterswhichigniteaflameintermittently.
Beforeworkingonanypartintheenginecom-partment,turntheengineoffandletitcooldownsufficiently.Hotenginecompartmentcomponentscanburnskinoncontact.
Bealertandcautiousaroundengineatalltimeswhiletheengineisrunning.Ifworkhastobeperformedwiththeenginerunning,alwayssettheparkingbrake,andmakesuretheshiftleverisinneutralortheselectorleverisinpositionPorN.
Inparticular,beverycarefultoensurethatitemsofclothing(ties,shirt,sleevesetc.),jewelry,longhair,handorfingerscannotgetcaughtintheengine-compartmentblower,fan,beltsorothermovingparts.Theradiatorandradiatorfansareinthefrontofthecar.Thefanscanstartorcontinuerunningasafunctionoftemperature,evenwiththeengineswitchedoff.Carryoutworkintheseareasonlywiththeengineoffandexerciseextremecaution.
YourPorscheisequippedwithanelectronicignitionsystem.Whentheignitionison,highvoltageispresentinallwiresconnectedwiththeignitionsystem;therefore,exerciseextremecautionwhenworkingonanypartoftheenginewhiletheignitionisonortheengineisrunning.
Alwaysplacethevehicleonstablesupportsifworkhastobecarriedoutunderthevehicle.Jacksarenotsuitableforthiskindofwork.
Whenworkingunderthecarwithoutsafetystandsbutwiththewheelsontheground,makesurethecarisonlevelground,thewheelsareblocked,andthattheenginecannotbestarted.Removetheignitionkey.
Donotsmokeorallowanopenflamearoundthebatteryorfuel.Keepafireextinguishercloseathand.
Incompleteorimproperservicingmaycauseproblemsintheoperationofthecar.Ifindoubtaboutanyservicing,haveitdonebyyourauthorizedPorschedealer.ImpropermaintenanceduringthewarrantyperiodmayaffectyourPorschewarrantycoverage.
Suppliesoffluids,e.g.engineoil,brakefluidorcoolant,arehazardoustoyourhealth.Keepthesefluidsoutofchildren’sreachanddisposeoftheminaccordancewiththeappropriateregulations.
Somecountriesrequireadditionaltoolsandspecialsparepartstobecarriedinyourvehicle.Pleasemakeenquiriesbeforedrivingabroad.
Powermeasurements
PowermeasurementsondynamometersarenotapprovedbyPorsche.
Workingintheenginecompartment
Havethenecessaryworkintheenginecompart-mentdonebyaqualifiedspecialistworkshop.WerecommendthatyouuseyourauthorizedPorschedealerforcarryingoutthiswork.
202Maintenance,CarCare

OperatingyourPorscheinother
Countries
GovernmentregulationsintheUnitedStatesandCanadarequirethatautomobilesmeetspecificemissionregulationsandsafetystandards.Therefore,carsbuiltfortheU.S.andCanadadifferfromvehiclessoldinothercountries.
IfyouplantotakeyourPorscheoutsidethecontinentallimitsoftheUnitedStatesorCanada,thereisthepossibilitythat
–unleadedfuelmaynotbeavailable;
–unleadedfuelmayhaveaconsiderablyloweroctanerating.Excessiveengineknockandseriousdamagetobothengineandcatalyticconverterscouldresult;
–servicemaybeinadequateduetolackofproperservicefacilities,toolsordiagnosticequipment;
–replacementpartsmaynotbeavailableorverydifficulttoget.
Porschecannotberesponsibleforthemechanicaldamagethatcouldresultbecauseofinadequatefuel,serviceorpartsavailability.
IfyoupurchasedyourPorscheabroadandwanttobringitbackhome,besuretofindoutaboutshippingandforwardingrequirements,aswellascurrentimportandcustomsregulations.
Maintenance,CarCare215

Ifthereisadefectintheautomaticunlocking
system:
Openthepassengerdoor.
Pulltheringintheright-handdooraperture(arrow).
Refueling
Fueltankcapacity
Thefuelfillingcapacityisapprox.16.9U.S.gal-lons/64liters.
Porschedoesnotrecommendtheuseoffueladditives.
Fuelishighlyammableandharmfultohealth.
Pleaseobservethechapter”CAPACITIES”onpage301.
Procedure
1.Important:Stoptheengineandswitchofftheignition.
2.Slowlyunscrewthetankcap.Hangthetankcapontheplasticstrapofthefillerflap.
3.Insertfuel-hosenozzlefullyintothefillerneckwiththehandleofthefuel-hosenozzlefacingdown.
4.Donotaddfurtherfueloncethecorrectlyoperatedautomaticfuel-hosenozzlehasswitchedoff.Fuelcouldsprayorcouldrunoverinwarmtemperatures.
5.Replacethetankcapimmediatelyafterrefuelingandturnituntilyouhearitandfeelitengage.
Ifyoulosethetankcap,youmustreplaceitonlywithanoriginalparttoreducethepossibilityofareintheeventofacollision.
Note
Theoillevelisautomaticallymeasuredduringrefuelling.
Pleaseobservethechapter”OILDISPLAYANDMEASUREMENTOFTHEENGINEOILLEVEL”onpage131.
Maintenance,CarCare217

Portablefuelcontainers
Danger!
Portablefuelcontainers,fullorpartiallyempty,mayleakcausinganexplosion,orresultinreincaseofanaccident.
Nevercarryadditionalfuelinportablecontain-ersinyourvehicle.
218Maintenance,CarCare

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.
Maintenance,CarCare219

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.
Maintenance,CarCare221

Afterwashing,rinsethecarwithplentyofwaterandthendrywithachamoisleather.Donotusethesamechamoisleatherfordryingasyouuseforcleaningthewindshieldandwindows.
Warning!
Moisturewhichgetsontothebrakesduringacarwashcanreducebrakingefciencyormakethebrakespullunevenlywhichcouldincreasethedangerofanaccident,causingseriouspersonalinjuriesordeath.
Alwaysapplythebrakesafewtimesafterwashingthecartotestbrakingefficiencyanddrythebrakediscs.Whendoingthis,takecarenottohamperotherroadusersbehindyou(trafficconditionspermitting).
Automaticcarwashes
Optionaladd-onpartsorpartswhichprojectbeyondthecontoursofthevehiclemaybedamagedbydesignfeatures(e.g.brushes)ofautomaticcarwashes.
Washanddrybyhandallpointsnotreachedbyacarwash,suchasdoorandlidseamsordoorsills.
Pleaseconsulttheoperatorbeforeusingautomaticcarwashes.
Pleaseobservethechapter”WIPERBLADES”onpage203.
Thefollowingpartsareparticularlysuscepti-bletodamage:
–Windshieldwipers(alwaysswitchthemofftopreventthemwipingunintentionallyinintermittentorsensoroperation).
–Fixedrearspoilerorextendedrearspoiler.
–Wheels(thewidertherimandthelowerthetireheight,thegreatertheriskofdamage).
–High-glosswheels(topreventthesefromgettingscratched,donotcleanwiththewheel-cleaningbrushesofthecarwash).
–Externalantenna(alwaysunscrew).
–RoofTransportSystem(alwaysremovecompletely).
Note
Automaticcarwashesspraywateratoddanglesandhighpressures,whicharenotseeninnormaldriving.Therefore,watercansometimesfinditswayintothepassengerscompartmentduringorshortlyafterthecarwash.
Doorlocks
Topreventthedoorlocksfromfreezingduringthecoldseason,thelockcylindersshouldbecoveredduringawash.
Shouldthelocksfreeze,useanordinaryde-icer.Inmanycases,awellwarmedkeycanhelp.Neveruseexcessiveforce.
Maintenance,CarCare229

Windows
Theroaddustwhichsettlesonthewindshieldandwindowscontainsparticlesoftirerubberandoilresidue.Theinteriortrimandupholsteryreleaseparticles,particularlyinstrongsunlight,whichcollectontheinsidesofthewindows.Thesedepositsareaugmentedbyimpuritiesintheairwhichentersthecarthroughthefreshairvents.
Cleanallwindowsregularly,insideandoutside,withPorschewindowcleaner.
Ifyouuseachamoisleatherforthewindows,donotuseitforpaintworkasitwillotherwisepickupacertainamountofpreservativeorpolishandcouldsmearthewindowsandthusimpairvision.
RemovedeadinsectswiththePorscheinsectremover.
Note
Doorwindowsfeatureawater-repellent(hydropho-bic)coatingwhichpreventssoilingofthewindows.
Thiscoatingissubjecttonaturalwearandcanberenewed.
ConsultanauthorizedPorschedealer.
Wiperblades
Wiperbladesthatareinperfektconditionarevitalforaclearview.
Replacethewiperbladestwiceperyear(beforeandafterthecoldseason)orwheneverwiperperformancedeteriorates.
PeriodicallycleanthewiperbladeswithPorschewindowcleaner,especiallyafterthevehiclehasbeenwashedinacarwash.Iftheyareverydirty(e.g.withinsectremains),theycanbecleanedwithaspongeorcloth.
Undercoating
Theundersideofyourcarisdurablyprotectedagainstchemicalandmechanicalinfluences.
Asitisnotpossibletoexcludetheriskofdamagetothisprotectivecoatingindaytodaydriving,itisadvisabletohavetheundersideofthecarinspectedatcertainintervals-preferablybeforethestartofwinterandagaininspring-andtheundercoatingrestoredasnecessary.
YourauthorizedPorschedealerisfamiliarwiththebodysealtreatmentproceduresandhasthenecessaryequipmentforapplyingfactoryapprovedmaterials.Werecommendthatyouentrustthemwithsuchworkandinspections.
Unlikeconventionalsprayoils,undercoatingandrust-proofingcompoundsbasedonbitumenorwaxdonotattackthesound-proofingmaterialsappliedatthefactory.
Warning!
Dangerofreresultinginseriouspersonalinjuryordeath.
Donotapplyadditionalundercoatingorrust-proofingonorneartheexhaustmanifold,exhaustpipes,catalyticconvertersorheatshields.Duringdrivingthesubstanceusedforundercoatingcouldoverheatandignite.
Beforeapplyingfreshunderseal,carefullyremovedepositsordirtandgrease.Onceithasdried,thenewundercoatingcompoundformsatoughprotectivecoatingwhichprovidesefficientrust-proofingofthefloorpanelsandcomponents.
Alwaysapplyafreshcoatingofsuitablepreservativetounprotectedareasaftercleaningtheundersideofthebody,thetransmission,theengineorcarryingoutrepairstounder-body,engineortransmissioncomponents.
Effectiverust-proofingisparticularlyimportantdur-ingthecoldweatherseason.Ifyourcarisdrivenfrequentlyinareaswheresalthasbeenspreadontheroads,thewholeenginecompartmentshouldbecleanedthoroughlyafterthewintertopreventsaltfromcausinganylastingdamage.Afullunder-bodywashshouldalsobeperformedatthesametime.
Maintenance,CarCare231