2003 PORSCHE 911 CARRERA oil

Engine
Oillevel

Followtheinstructionsinthe"Cautions"chapter.
t>Regularlychecktheoillevelusingthe
on-boardcomputereachtimethevehicleis
refuelled.
Refertothechapter"On-boardcomputer".
A.Warning!
Engineoilishazardoustoyourhealthand
maybefatalifswallowed.
t>Keepengineoiloutofchildren'sreach.
Usedengineoilcontainschemicalsthat
havecausedcancerinlaboratoryanimals.
t>Alwaysprotectyourskinbywashingthor-
oughlywithsoapandwater.
Thedipstickandoilfillerareintheenginecom-
partment.
PreconditionsforCOlTectoillevel
measurementwiththedipstick
-Vehiclemustbelevel.
-Enginemustbeswitchedoffandatoperating
temperature.
-Letengineoilflowintotheoilpanforafew
minutesaftertheenginehasstoppedrunning.
Checkingtheoillevel
1.Withdrawdipstickandwipeitwithaclean,
lint-freecloth.
2.Pushdipstickfullyhome,withdrawagainand
readofftheoillevel.
Pushdipstickinasfarasthestop.
Theoillevelmustinnocasefallbelowthemini-
mumorexceedthemaximumoillevelonthe
dipstick.
Thedifferencebetweenthetwomarksisap-
proximately
1.25
litersj1.33quarts.

Topping
offengineoil
1.Ifnecessary,addengineoilhalfaliterata
time.Unscrewthecapoftheoilfiller.
2.Checkoillevelwiththedipstickagainaftera
fewminutes.
3.Pushdipstickinasfarasthestop.
Pushfillingaidinwiththecapandclosecap
carefully.
Maintenance,CarCare
171

AmbienttemperatureSAEViscosityRangeAmbienttemperaturesSAEViscosityRange
(seasonal)Mineraloilbased(seasonal)Syntheticoilbased
engineoilsengineoils
generallyhigherthan15W-40generallyhigherthan10W-40
50°FjlO°C20W-5050°FjlO°C15W-40
20W-4015W-50
generallylowerthan15W-40generallylowerthan10W-40
50°FjlO°C10W-4050°FjlO°C10W-30
10W-305W-30
generallylowerthan10W-30
14°Fj-1O°C5W-30
EngineOilRecommendation
Recommendedoilviscosityrangesdependentonambienttemperatures:
UseonlyengineoilslabelledasAPISHorSJ,orILSACGF1andviscositygradesofSAE10W-40orhigher.
Preferablyyoushouldusesyntheticorsemisyntheticengineoils.
IfindoubtaskyourauthorizedPorschedealerforPorschetestedandapprovedall-seasonoils.
172Maintenance,CarCare

Oilchange

Theengineoilhastobechangedattheinter-
valslistedinyourMaintenanceSchedule.
See"Capacities".
Werecommendthatyouhavetheengineoil
changedatyourPorschedealer,whohasthe
requiredoilsandthenecessaryfillingequipment.
Ifyoususpectanoilleakintheenginehave
yourdealercheckitoutimmediately.
Allcurrentengineoilsarecompatiblewitheach
other,i.e.whenmakinganoilchangeitisnot
necessarytoflushtheengineifyouwishtouse
adifferentbrandorgradeofoil.
Since,however,eachbrandofoilhasaspecial
composition,youshould,ifpossible,usethe
sameoilbrandifitbecomesnecessarytotop
upbetweenoilchanges.
Porscheengineshavelongintervalsbetweenoil
changes.Youcanmakebestuseoftheselong
oilchangeintervalsbyusingmultigradeoils
sincethesearelargelyindependentofseasonal
fluctuationsintemperature.
Ifyourvehicleisusedfrequentlyinstop-and-go
trafficincoldweather,theenginewillnotalways
beproperlywarmedup.
Condensationfromproductsofcombustionmay
accumulateintheoil.Inthiscase,itisadvisable
tochangetheoilmorefrequentlysothatyour
engineonceagainhas100%efficientengine
oil.
Engineoilperformanceclass
Engineoilisnotonlyalubricant,butalsoserves
tokeeptheengineclean,toneutralizethedirt
whichpenetratesintotheenginethroughcom-
bustionandtoprotecttheengineagainstcorro-
sion.
Toperformthesefunctions,theoilisprovided
withadditiveswhichhavebeenspeciallyde-
velopedforthesefunctions.
Theefficiencyofanoilisexpressed,for
example,bytheAPI,ILSACorACEAclassifica-
tions.
UseonlyengineoilswiththeclassificationAPI
SHorSJ,orILSACGF3,orACEAA3(Europe).
Viscosity
Likeallliquids,engineoilisviscouswhencold,
andthin-bodiedwhenwarm.Theviscosityofan
oilisexpressedbyitsSAEclass.Forcoldvis-
cosity(measuredattemperaturesbelow
32°FjO°C)theSAEclassisgivenasanumber
andtheletter"W"
(asinwinter),forhotviscosity
(measuredat212°Fj100°C)theSAEclassis
givenonlyasanumber.
Theviscosityofanoilis,therefore,alwaysthe
sameifithasthesamenumberofanSAE
class.
E.g.:A10W-30oilanda10W-40oilhavethe
sameviscositywhencold(belowO°C);whenhot
(at212°Fj100°C)theoilwiththenumber30is
thinnerthantheoilwiththenumber40.
Oilswithtwoviscositiesarecalledmultigrade
oils;oilswithonlyoneviscosityaretermed
single-gradeoils.
Single-gradeoilscanonlybeusedforthenar-
rowtemperaturerangeidentifiedbytheirSAE
number;multigradeoilscoverawidertempera-
turerange.
TheviscosityoftheengineoilforyourPorsche
hastobechosenaccordingtotheambienttem-
peraturegivenintheengineoilrecommendation
table.
Maintenance,CarCare
173

BrakeFluidlevel
Followtheinstructionsinthe"Cautions"chapter.
Useonlynew(unused)OriginalPorsche
brakefluid.
174Maintenance,CarCare
/!\Warning!
Brakefluidishazardoustoyourhealth,and
maybefatalifswallowed.
Brakefluidalsoattackspaintwork.
~Keepbrakefluidoutofchildren'sreach.
~Takecarewhiletoppingoffbrakefluidnotto
soiltheluggagecompartmentoritemsoflug-
gage.
Checkingthebrakefluidlevel
Thereservoirforthehydraulicbrakingand
clutchsystemsisintheluggagecompartment.
~Checkthebrake-fluidlevelregularlyatthe
transparentreservoir.
Thefluidlevelshouldalwaysliebetweenthe
"Min."and"Max."marks.
Aslightdecreaseinthefluidlevelduetowear
andautomaticreadjustmentofthediscbrakes
isnormal.
If,however,thefluidlevelfallsmarkedlyor
belowthe"Min."mark,thebrakingsystemmay
havedevelopedaleak.
~Havethebrakingsystemcheckedimmediately
atanauthorizedPorschedealer.
Changingthebrakefluid
Brakefluidabsorbsmoisturefromtheairover
time.Thisaccumulationofwaterlowerstheboil-
ingpointand,undercertainoperatingcon-
ditions,canaffectthebrakingaction.
Thereforehavethebrakefluidchangedinac-
cordancewiththechangeintervalsstatedinthe
brochure"Maintenance".
..
WarninglightUSA
0
WarninglightCanada
Thebrake-fluidwarninglightsintheinstrument
panelandon-boardcomputerindicate:
-brake-fluidleveltoolow,
-inconjunctionwithlargepedaltravel,
abraking-circuitfailure.

Ifthewarninglightsshouldlightupwhile
driving:

~Stopimmediatelyinasuitableplace.
~Donotcontinuedriving.
Pleasehavethefaultremediedatyournear-
estauthorizedPorschedealer.

Refuelling
Fueltankcapacityislistedunder"Capacities".
Porschedoesnotrecommendtheuseoffuel
additives.
1.Important:Stoptheengineandswitchoff
theignition.
2.Slowlyunscrewthetankcap.
Hangthetankcapontheplasticstrapofthe
fillerflap.
3.Insertfuel-hosenozzlefullyintothefillerneck
withthehandleofthefuel-hosenozzlefacing
down.
4.Donotaddfurtherfueloncethecorrectly
operatedautomaticfuel-hosenozzlehas
switchedoff.
Fuelcouldsprayorcouldrunoverinwarm
temperatures.
5.Replacethetankcapimmediatelyafter
refuellingandturnituntilyouhearitandfeel
itengage.

Ifyoulosethetankcap,youmustreplace
itonlywithanoriginalparttoreducethe
possibilityofafireintheeventofacolli-
sion.

Note
Theoillevelisautomaticallymeasuredduring
refuelling.
Themeasuredoillevelisdisplayedforapproxi-
matelyoneminutewhentheignitionisswitched
onortheengineisstarted.
However,thismeasurementisperformedonlyif
thefollowingpreconditionsaremet:
Engineisatoperatingtemperature,ignitionis
off,refuellingiscompletedwithin15minutes.
FuelRecommendations
YourPorscheisequippedwithcatalyticconver-
tersandmustuseUNLEADEDFUELONLY.
Yourengineisdesignedtoprovideoptimumper-
formanceandfueleconomyusingunleadedpre-
miumfuelwithanoctaneratingof98RON
(93CLCorAKI).Porschethereforerecom-
mendstheuseofthesefuelsinyourvehicle.
Porschealsorecognizesthatthesefuelsmay
notalwaysbeavailable.Beassuredthatyour
vehiclewilloperateproperlyonunleadedpre-
miumfuelswithoctanenumbersofatleast
95RON(90CLCorAKI).sincetheengine's
"ElectronicOktaneTMknockcontrol"willadapt
theignitiontiming,ifnecessary.

Theuseof
UNLEADEDFUELONLY
iscriti-
callyimportanttothelifeofthecatalytic
converters.Depositsfromleadedfuelswill
ruintheconvertersandmakeitineffective
asanemissioncontroldevice.

Carswithcatalyticconvertershaveasmaller
fueltankopening,andgasstationpumpshave
smallernozzles.Thiswillpreventaccidental
pumpingofleadedfuelintocarswithcatalytic
converters.
I>I>I>
Maintenance,CarCare
177

AirFilter
Adirtyairfilternotonlyreducesengineperfor-
mance,butcanleadtoprematureenginewear.
Regularfilterreplacementispartoftheroutine
maintenanceservice.
t>Industyconditions,checkthefilterelement
morefrequentlyandreplaceifnecessary.
ParticleFilter
Thefreshairpassingthroughtheparticlefilter
intothepassengercompartmentisvirtuallyfree
ofdustandpollen.
t>Iftheoutsideairispollutedbyexhaustfumes,
pressthecirculating-airbutton.
Adirtyfiltercanbethecauseofreducedair
flow:
t>Havefilterreplacedbyyourauthorized
Porschedealer.
Regularfilterreplacementispartoftheroutine
maintenanceservice.
AutomaticTransmissionFluid
Thetorqueconverterandthetransmissionare
lubricatedwithAutomaticTransmissionFluid
(ATF).Thefinaldriverequirestransmissionoil.
See"Capacities".
Donottowthecarorruntheenginewithout
ATFinthetransmission.Theautomatictrans-
missionmaybedamagedbyevenatinyspeck
ofdirt,onlyacleanfunnelorspoutmustbe
usedwhenaddingATF.
TheATFandtransmissionoilhastobechecked
andchangedattheintervalslistedinyourMain-
tenanceSchedule.
WerecommendthatyouhavetheATFandtrans-
missionoilchangedatyourPorschedealer,who
hastherequiredlubricantsandthenecessary
fillingequipment.
Ifyoususpectanoilleakinthetransmission,
haveyourauthorizedPorschedealercheckit
outimmediately.
ManualTransmissionOil
Thetransmissionoilhastobecheckedand
changedattheintervalslistedinyourMainten-
anceSchedule.See"Capacities".
Werecommendthatyouhavethetransmission
oilchangedatyourPorschedealer,whohasthe
requiredlubricantsandthenecessaryfilling
equipment.
Ifyoususpectanoilleakinthetransmission,
haveyourauthorizedPorschedealercheckit
outimmediately.
Maintenance,CarCare
183

A-Passenger'sside
B-Driver'sside
WiperBlades
[>
Whenwiperperformancedeteriorates,replace
thewipers.
[>
Followtheinstructionsinthe"CarCare"chap-
ter.
184Maintenance,CarCare
/!\Caution!
Riskofdamageifthewiperarmacciden-
tallyfallsbackontothewindow.
[>Alwaysholdthewiperarmsecurelywhenre-
placingthewiperblade.
Riskofdamageifwiperbladesthatare
frozeninplaceareloosenedimproperly.
[>
Thawthewiperbladesbeforelooseningthem.
1.Pulloutignitionkey.
Foldwiperarmawayfromthewindow.
2.Presstogethertheplasticspringofthewiper
blade(rightarrow).
Pullwiperbladeoutofwiperarm.
3.Insertnewwiperbladeandensureiten-
gages.
Ensurethatthenewwiperbladegoesinto
thesameposition(directionofspoiler)inthe
wiperarmandengages.
4.Carefullyfoldwiperarmbackontothewin-
dow.

Washing
Thebestmethodofprotectingyourcarfrom
thedamagingeffectsoftheenvironmentisfre-
quentwashingandtheapplicationofapreserv-
ative.Theundersideofyourvehicleshouldalso
bewashedthoroughly,atthelatestwhensaltis
nolongerspreadontheroads.
Thelongersalt,roaddustandindustrialdust,
deadinsects,birddroppingsorsubstancesfrom
trees(resin,pollen)areallowedtoremainonthe
bodywork,themoreseriousistheirharmfulef-
fect.
Newcarsshouldbewashedcarefullywithplenty
ofclearwatertoprotectthenewpaintwork.
Darkpaintfinishesshowupthesmallestofsur-
facedamage(e.g.,scratches)morereadilythan
lightercolors.
Darkcolorsarealsomoresusceptibleto
scratchingbecauseofthecompositionoftheir
pigmentsandrequireparticularlycarefulpaint
care.
[>
Donotwashyourcarinbrightsunlightor
whilethebodyworkisstillhot.
[>Whenwashingbyhand,useabundantwater,
asoftspongeorwashbrush,andPorsche
carshampoo.
[>Beginbysprayingthebodythoroughlywith
watertorinseawayloosedirt.
186Maintenance,CarCare
[>
Afterwashing,rinsethecarwithplentyof
waterandthendrywithachamoisleather.
Donotusethesamechamoisleatherfor
dryingasyouuseforcleaningthewindshield
andwindows.
/!\.Warning!
Moisturewhichgetsontothebrakesduring
acarwashcanreducebrakingefficiencyor
makethebrakespullunevenlywhichcould
increasethedangerofanaccident,causing
seriouspersonalinjuriesordeath.
[>Alwaysapplythebrakesafewtimesafter
washingthecartotestbrakingefficiencyand
drythebrakediscs.
Whendoingthis,takecarenottohamper
otherroadusersbehindyou(trafficconditions
permitting).

Automatic
carwashes
Optionaladd-onpartsorpartswhichproject
beyondthecontoursofthevehiclemaybe
damagedbydesignfeatures(e.g.brushes)of
automaticcarwashes.
Thefollowing
parts
areparticularlysuscep-
tibletodamage:
-Windshieldwipers(alwaysswitchthemoffto
preventthemwipingunintentionallyinintermit-
tentorsensoroperation)
-Externaltelephoneantennas(alwaysunscrew)
-RoofTransportSystem(alwaysremovecom-
pletely)
-Fixedrearspoilerorextendedrearspoiler
-Wheels(thewidertherimandthelowerthe
tireheight,thegreatertheriskofdamage)
-High-glosswheels(topreventthesefromget-
tingscratched,donotcleanwiththewheel-
cleaningbrushesofthecarwash).
[>
Pleaseconsulttheoperatorbeforeusingauto-
maticcarwashes.
[>Washanddrybyhandallpointsnotreached
byacarwash,suchasdoorandlidseamsor
doorsills.
Note
Automaticcarwashesspraywateratodd
anglesandhighpressures,whicharenotseen
innormaldriving.Therefore,watercansome-
timesfinditswayintothepassengerscompart-
mentduringorshortlyafterthecarwash.