maintenance schedule PORSCHE 911 CARRERA 2003 4.G Owners Manual

RolloverProtectionSystem
TheRolloverProtectionSystemonthe
Cabrioletconsistsoftwosupplementalsafety
barsthattogetherwiththefrontwindshield
framehelptocreateoccupantsurvivalspacein
caseofrollover.Becauseoftheextremeand
unpredictableforceswhichcanbeencountered
inarollover,itisnotpossibletoguaranteethat
occupantswillbeprotectedfromallcontactwith
exteriorobjectsortheground.However,the
RolloverProtectionSystemisdesignedtomain-
taintheoccupantsurvivalspace.
TheRolloverProtectionSystemisactivated
automaticallyintheeventofanaccidentorex-
tremedrivingsituation.
Theprotectivedevicesarelocatedbehindeach
rearseatandrapidlydeploywithinafractionof
asecond.
Theycandeployunder:
-Extremetiltingofthevehicle.
-Lossofgroundcontact(e.g.Goingoverthe
crestofahillathighspeed).
46Controls,Instruments
/!\Danger!
Riskofdeathorseriousinjury.
I>Donotblockareaofsupplementalsafety
barswithobjects.
Intheeventofadeploymentevent,suchob-
jectscouldpotentiallypreventsuchdeploy-
mentfromoccuring,orsuchobjectscould
impactthecaroccupantsathighspeed.
I>Donottamperwithorworkonwiringandor
componentsofRolloverProtectionSystem.
I>Allworkregardingthissystemmustbecar-
riedoutbyyourauthorizedPorschedealer.
I>Checkfunctionsandperiodicserviceintervals
accordingtomaintenanceschedule(seeyour
authorizedPorschedealer).
Toavoiddamagetotheconvertibletop:
I>Ifthesupplementalsafetybarsareextended
foranyreason,donotopenorcloseconvert-
ibletop.
@
Warninglight
Thewarninglightilluminateswhenignitionis
switchedonandgoesoffwhenengineisrun-
ning.
Shouldthewarninglightsintheinstrumentpanel
andon-boardcomputerilluminatewiththeen-
ginerunningorwhiledriving,itmeansthata
faulthasbeendetectedinthesystem.Theoper-
ationofthesystemmaybecompromised.
SeeyourauthorizedPorschedealerimmediately
andhavethefaultremedied.

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

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