2007 PORSCHE CAYMAN engine

–ifyoudepresstheacceleratortokickdown,
–aftermovingoff.
Temporarychange-down
Conditions:Speedishigherthanapprox.33mph(54km/h).
Depressacceleratorquickly.TheTiptronicchangestemporarilytothesportiestgear-changingmap,i.e.tothehighestpossiblegear-changingpoints.Correspondingly,thetransmissionshiftsdownimmediatelybyoneortwogears.
Endingthefunction:
Releasetheacceleratormarkedly.
Kickdown
ThekickdownfunctionisactiveinselectorleverpositionD,evenifyoutemporarilychangetomanualmodeMusingthetoggleswitchesonthesteeringwheel.
Foroptimumacceleration,e.g.whenovertak-ing,depresstheacceleratorpedalbeyondthefull-throttlepoint(kickdown).
Thetransmissionshiftsdowndependingonthespeedoftravelandenginespeed.Upwardshiftsoccuratthehighestpossibleenginespeeds.Thesegear-changingspeedsremainactiveuntiltheacceleratorisreleasedtoapprox.80%ofthewideopenthrottleposition.
M-ManualSelectionMode
Modeofoperation
ThecurrentlyselectedgearisretainedifyouchangefromDtoM.
IfyoushiftfromMtoD,thegear-changingmapsuitableforyourcurrentdrivingstyleisselectedandtheappropriategearisselected.
Warning!
Thekickdownfunctionisnotactiveinmanualselectionmode“M”.
Thereforeshiftdownmanuallywhenaccelerat-ing(e.g.toovertake).
Twotoggleswitchesintheuppersteering-wheelspokesletyoucomfortablyandreliablyselectthefiveforwardgears.
Shiftingup
Pressupperpart(+)ofatoggleswitch.
Shiftingdown
Presslowerpart(-)ofatoggleswitch.
Dependingondrivingspeedandenginespeed,youcanshiftupordownatanytime.Gearchangeswhichwouldexceedtheupperorlowerengine-speedlimitarenotexecutedbythecontroller.
Youcanshiftdowntwogearsatoncebyquicklypressingthetoggleswitchestwice.
Iftheengine-speedlimitisreached,anautomaticupwardshiftisperformedor,justbeforeidlingspeedisreached,adownwardshiftisperformed.
Selectanappropriatelylowgearonupwardanddownwardslopes.Thiswillensureoptimumuseofenginepowerandenginebraking.
198ShiftingGear

Ifmanualmodefails,thecontrolelectronicsswitchtoautomaticmode.Inthisevent,theinstrumentclusterwilldisplayselectorleverpositionD.
Toremedythefault,pleaseconsultanauthor-izedPorschedealer.
PSMswitchedoffand/orSportmodeswitched
on
Pleaseobservethechapter”SWITCHINGOFFPSM”onpage74.
Pleaseobservethechapter”SPORTMODE”onpage72.
IfthePSMisswitchedoffand/orSportmodeisswitchedon,anautomaticupshiftdoesnotoccurwhentheenginespeedlimitisreached.
Cancellingupshiftsuppression
Therestrictioncanbecancelledforonegearchangebydepressingtheacceleratortokickdown.If,forexample,theenginespeedlimitisreachedduringovertakingandtheautomaticupshiftdoesnotoccur,thetransmissioninthiscaseshiftsupbyacceleratingtokickdown.
Depresstheacceleratorpedalbeyondthefull-throttlepoint(kickdown).
Manualmodefailure
Ifmanualmodefails,thecontrolelectronicsswitchtoautomaticmode.Inthisevent,theinstrumentclusterwilldisplayselectorleverpositionD.
Havethefaultremedied.Consultanauthor-izedPorschedealer.
Stopping
Forabriefstop,e.g.atatrafficlight,leavetheselectorleverindrivepositionandholdthevehiclewiththebrakepedal.
Foralongerstopwiththeenginerunning,selectpositionN(neutral).
Donotholdthecaronaslopeusingtheaccelerator.Usethebrakepedalorthehandbrakeinstead.
Beforeleavingthevehicle,alwaysapplythehandbrakeandmovetheselectorlevertopositionP.
Parking
Goeasyontheaccelerator.
Whenparkingormaneuveringinasmallspace,controlthespeedbycarefuluseofthefootbrake.
Drivinginwinter
Inwinteryroadconditionsitisadvisabletotakesteepinclinesinmanualmode.Thispreventstheoccurrenceofgearchangesthatcouldcausewheelspin.
Tow-starting,towing
Pleaseobservethechapter”TOWING”onpage287.
Emergencyprogram
Warning!
Reversegearlockmonitoringisdisabledintheemergencyrunningprogram.Damagetothevehiclemayresultaswellaslossofcontrol,ifthevehicleismovingforwardfastenoughtocauserearwheellockup.
DonotshiftintoRwhilethevehicleismovingforward.
Atransmissionfaultisindicatedbythefollowingsymptoms:
–The4th-geardisplayflashes.
–Thewarning“Tiptronicemergencyrun”appearsintheon-boardcomputer.
–Thetransmissionnolongershifts.Regardlessofselectorleverposition,4thistheonlyforwardgearstillavailable.
Adaptyourdrivingstyletothechangedhandling.
Toremedythefault,pleaseconsultanauthor-izedPorschedealer.
ShiftingGear199

Maintenance,CarCare
ExerciseExtremeCautionwhenWorkingonyourVehicle.......................................................202WiperBlades..............................................203CoolantLevel..............................................205EngineOil...................................................207EngineOilLevel...........................................208EngineOilRecommendation.........................210BrakeFluidLevel.........................................212FuelEconomy.............................................214OperatingyourPorscheinotherCountries.....215Fuel...........................................................216Portablefuelcontainers...............................218FuelRecommendations................................219EmissionControlSystem.............................220HowEmissionControlWorks........................221FuelEvaporationControl..............................222WasherFluid...............................................223PowerSteering...........................................224Filter..........................................................225AutomaticTransmissionFluid........................226ManualTransmissionOil...............................227CarCareInstructions...................................228
Maintenance,CarCare201

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

CoolantLevel
Generalinformationtothecoolant
Pleaseobservethechapter”EXERCISEEXTREMECAUTIONWHENWORKINGONYOURVEHICLE”onpage202.
Thecoolingsystemisfilledatthefactorywithapermanentcoolant.Itprovidesyear-roundprotectionfromcorrosionandfreezingdownto-31°F/-35°C.
OnlyuseantifreezeauthorizedbyPorsche.
Checkingcoolantlevel
Theexpansiontankforthecoolantislocatedintherearluggagecompartmentundertheserviceflap.
Checkthecoolantlevelregularlyatthetransparentwindowoftheexpansiontank.
Whentheengineiscoldandthecarislevelthefluidlevelmustliebetweenthe“Min.”and“Max.”markings.
Toppingoffcoolant
Warning!
Dangerofseriouspersonalinjuryordeathfromscalding.Coolantishazardoustoyourhealth,andmaybefatalifswallowed.
Donotopenthecapoftheexpansiontankwhiletheengineishot.
Allowtheenginetocooldownbeforeopeningthecapandprotectyourhands,armsandfacefromanypossibleescapeofhotcoolant.
Keepcoolantoutofchildren’sreach.
Also,keepcoolantawayfromyourpets.Theycanbeattractedtoitshouldtherebeaspill,ortousedcoolantleftinanopencontainer.Coolantcanbedeadlytopetsifconsumed.
Warning!
Riskofdamagefromoverowingcoolant.
Takecarewhiletoppingoffcoolantnottosoiltheluggagecompartmentoritemsofluggage.
1.Switchengineoffandletitcool.
Pleaseobservethechapter”COOLINGSYSTEM”onpage97.
2.Presscatchbuttonontheserviceflapandopenflap.
Maintenance,CarCare205

3.Covertheexpansiontankcapwithathickrag.Opencapslowlyandcarefullyandallowoverpressuretoescape.Thenunscrewcapcompletely.
4.Ifnecessary,addamixtureofequalpartsantifreezeandwater.Donotfilloverthe“max.”marking.
Antifreezeincoolant:50%givesprotectiondownto-31°F/-35°C60%givesprotectiondownto-58°F/-50°C
5.Screwcapfirmlyon.
6.Closeserviceflap.
Ifinanemergencypurewaterhasbeenadded,themixratiomustbecorrectedatanauthorizedPorschedealer.
Markedlossofcoolantindicatesleakageinthecoolingsystem.ThecauseshouldimmediatelyberemediedatanauthorizedPorschedealer.
Radiatorfans
Theradiatorandradiatorfansareinthefrontofthevehicle.
Warning!
Riskofinjury.Thefanscanstartrunningasafunctionoftemperature,evenwiththeengineswitchedoff.
Exerciseextremecautionwhenworkingintheareaoftheradiatorfans.
206Maintenance,CarCare

EngineOil
Engineoilconsumption
Itisnormalforyourenginetoconsumeoil.Therateofoilconsumptiondependsonthequalityandviscosityofoil,thespeedatwhichtheengineisoperated,theclimate,roadconditionsaswellastheamountofdilutionandoxidationofthelubricant.
Ifthevehicleisusedforrepeatedshorttrips,andconsumesanormalamountofoil,theengineoilmeasurementmaynotshowanydropintheoillevelatall,evenafter600miles(1000km)ormore.Thisisbecausetheoilisgraduallybecomingdilutedwithfuelormoisture,makingitappearthattheoillevelhasnotchanged.Thedilutingingredientsevaporateoutwhenthevehicleisdrivenathighspeeds,asonanexpressway,makingitthenappearthatoilisexcessivelyconsumedafterdrivingathighspeeds.
Iftheconditionsyoudriveyourvehicleinaredusty,humid,orhot,thefrequencyoftheoilchangeintervalsshouldbegreater.
Ifthevehicleisdrivenatahighrateofspeed,climaticconditionsarewarm,andtheloadishigh,theoilshouldbecheckedmorefrequently,asdrivingconditionswilldeterminetherateofoilconsumption.
–Theengineinyourvehicledependsonoiltolubricateandcoolallofitsmovingparts.
Therefore,theengineoilshouldbecheckedregularlyandkeptattherequiredlevel.
–Makeitahabittohavetheengineoillevelcheckedwitheveryfuelfilling.
–Theoilpressurewarninglightisnotanoillevelindicator.Theoilpressurewarninglightindicatesseriousenginedamagemaybeoccuringwhenlit,ifenginerpmisaboveidlespeed.
Maintenance,CarCare207

EngineOilLevel
Checkingtheoillevel
Pleaseobservethechapter”EXERCISEEXTREMECAUTIONWHENWORKINGONYOURVEHICLE”onpage202.
Regularlychecktheoillevelusingtheon-boardcomputerafterthevehicleisrefuelled.
Pleaseobservethechapter”OILDISPLAYANDMEASUREMENTOFTHEENGINEOILLEVEL”onpage131.
Thedifferencebetweentheminimumandmax-imummarksonthesegmentdisplayisapprox.1.2liters.Eachsegmentofthedisplaycorre-spondstoapprox.0.4liter.
Toppingoffengineoil
Warning!
Engineoilishazardoustoyourhealthandmaybefatalifswallowed.
Keepengineoiloutofchildren’sreach.
Warning!
Usedengineoilcontainschemicalsthathavecausedcancerinlaboratoryanimals.
Alwaysprotectyourskinbywashingthorough-lywithsoapandwater.
Caution!
Riskofdamagefromoverowingengineoil.
Takecarewhilecheckingandtoppingupengineoilnottosoiltheluggagecompartmentoritemsofluggage.
Theoilinletopeningisintherearluggagecompart-mentundertheserviceflap.1.Theon-boardcomputerindicateshowmuchoilmustbeadded.
2.Presscatchbuttonontheserviceflapandopenflap.
208Maintenance,CarCare