engine coolant PORSCHE 911 CARRERA 2003 4.G Owners Manual

Stoppingengine

I>TurnkeybacktopositionO.
I>Donotstopengineimmediatelyafterhardor
extendeddriving.
Keepenginerunningatincreasedidlefor
abouttwominutestopreventexcessiveheat
build-upbeforeturningoffengine.
I>Toavoidbatteryrun-down,alwaysremovethe
ignitionkeyfromtheignitionlock.
I>Makesurethatwhenyouleavethecar,even
briefly,youhavewithdrawntheignitionkey.
I>Engagethesteeringlockbymovingthesteer-
ingwheeltotheleftorright.
Turnthesteeringwheeltothelockingposition
beforeyouswitchofftheenginesothatyou
don'thavetoexertyourselfwhenlockingor
unlockingthesteering.
/?\.Warning!
Hotenginecompartmentcomponentscan
burnskinoncontact.
I>Beforeworkingonanypartintheenginecom-
partment,turntheengineoffandletitcool
downsufficiently.

Engine-compartmentblower,
radiator
fan
Theradiatorandradiatorfansareinthefrontof
thecar.
Theengine-compartmentblowerismountedon
theenginecompartmentlid.
/?\.Warning!
Riskofinjury.
Aftertheengineisswitchedoff,theengine-
compartmentandcoolanttemperaturesare
monitoredforapprox.20minutes.
Duringthisperiod,anddependingontem-
perature,theengine-compartmentblower
andradiatorfansmaycontinuetorunor
starttorun.
I>Carryoutworkintheseareasonlywiththe
engineoffandexerciseextremecaution.

Automaticgaragedoor

TheignitionsysteminyourPorschemayinter-
ferewithyourelectronicallyoperatedgarage
door.
I>Tocheckthis,driveyourPorscheclosetothe
garagedoor.Makesurenottointerferewith
theoperatingrangeofthedoor.
I>Runtheengineatdifferentspeeds.
Ifthegaragedooropensorcloseswithoutyou
operatingthegaragedoorunitinyourcar,con-
tactthedealerwhoinstalledtheautomaticgar-
agedoortohavethefrequencyand/orcoding
ofthegaragedoorsignalchangedormodified.
Controls,Instruments
67

0Voltmeter
Indicatesthebatteryvoltage.
Normalrange:12to16volts.
Thevoltagemaydropconsiderablywhenthe
vehicleisbeingstarted.

Ifthegaugeiscontinuallybelow
12
volts
whentheengineisrunning:

t>Havethebatterychargingsystemcheckedat
anauthorizedPorschedealer.
72Controls,Instruments
Battery
e
Warninglight
Thewarninglightintheinstrumentpanelcomes
onwhenignitionisswitchedonandmustgooff
whenengineisrunning.

Ifthewarninglightsintheinstrumentpanel
andon-boardcomputercomesonwhilethe
engineisrunningorwhiledriving:

t>Stopthecarinasafeplaceandstoptheen-
gine.
Possible
causes

-Defectinthebatterychargingsystem.
-Brokendrivebelt.

/!\Warning!
Riskofanaccidentandriskofenginedam-
age.
Abrokendrivebeltmeansthereisno
powerassistancetothesteering(moreef-
fortisrequiredtosteer)andcoolantpump
functionwillstop.

t>Donotcontinuedriving.
t>Havethefaultremediedatthenearestauth-
orizedPorschedealer.
A-Adjustmentbuttonforinstrumentilluminationand
tripcounter
.~AutomaticSpeedControl
Indicatorlight
Indicatesautomaticspeedcontrolreadiness.

-F-Cooling
System

Temperature
gauge
(ignitionon)
USA:Displayinof
Canada:Displayin°C
Pointertotheleft-enginecold
[>
Avoidhighenginespeedsandheavyengine
loading.
76Controls,Instruments
Pointerinthemiddle-normaloperatingtem-
perature
Thepointermaymoveuptotheredareawhen
engineisheavilyloadedandoutsidetemperature
ishigh,butshouldreturnto"normal"whenen-
gineloadisreduced.
Warninglight"Au
Ifthecoolanttemperatureistoohigh,the
warninglightcomeson.
Additionally,awarningisdisplayedintheon-
boardcomputer.
[>
Pullofftheroad,turnofftheengineandallow
tocool.
[>Checkradiatorandairpassagesinfrontend
ofcarforobstructions.
[>
Checkcoolantlevel.
Ifnecessary,addcoolantandhavefaultreme-
diedatanauthorizedPorschedealer.
Followthewarningsandinstructionsin
the"Coolantlevel"chapter.
Note
Topreventexcessivetemperatures,thecooling-
airpassagesmustnotberestrictedbycover-
ings(e.g.films,"stoneguards").
Ifthe
coolant
levelistoolow,thewarninglight
flashes.
Additionally,awarningisdisplayedintheon-
boardcomputer.
[>
Switchengineoffandallowtocool.
[>
Addcoolant.
[>
Havethecauseofthefaultremediedatan
authorizedPorschedealer.
Followthewarningsandinstructionsin
the"Coolantlevel"chapter.
/?\.Caution!
Riskofenginedamage.
[>
Ifthewarninglightcomesoneventhough
coolantleveliscorrect,donotcontinuedriv-
ing.
[>Havethefaultremediedatthenearest
authorizedPorschedealer.

Instrument
On-boardTextdisplay
inMeaning/measure
panelcomputeron-boardcomputer

UnitsTheunitskilometers/milesforspeedand
arechangeddistancewerechanged.
LIMITCurrentspeedcanbeacceptedforthe
Cannotbeacousticwarningsignalonlyifthevehicleis
acceptedwithinmotion.
vehiclestopped
USALIMITSelectedspeedlimitfortheacousticwarning
~exceededsignalhasbeenexceeded.
Adjustyourspeedifnecessary.

Canada

~Fuel
levelgauge
IJ1
ConsiderrangeonRefuelatthenextopportunity.
warninglightremainingfuel
0ii1
EngineoilStopimmediatelyatasuitableplace,
pressuremeasureoillevelwiththeon-boardcomputer
toolowand,ifnecessary,addengineoil.
Temperature
II
EngineSwitchengineoffandletitcool.
gaugewarningtemperatureCheckcoolantleveland,ifnecessary,
lighttoohighaddcoolant.
Temperature~CheckSwitchengineoffandletitcool.
gaugewarningcoolantlevelCheckcoolantleveland,ifnecessary,
lightflashesaddcoolant.
Controls,Instruments
93

Instrument
On-boardTextdisplayin
panelcomputeron-boardcomputer
-
S
CheckEngine
Temperature
iI
Failureof
gaugewarningengine-
lightflashescompartment
blower
8i]
Warning
battery/
generator
Iii
Failureindicator
~~Failure
oillevel
indicator
II
Failureindicator
S
Failureindicator
Meaning/measure
Refertochapter"Checkenginewarninglight".
Havethefaultremediedatanauthorized
Porschedealer.
HavefaultremediedatanauthorizedPorsche
dealer.
Stopinasafeplaceandswitchtheengine
off.Donotcontinuedriving.
Havethefaultremediedatanauthorized
Porschedealer.
Oilpressureindicatorisfaulty.
Havethefaultremediedatanauthorized
Porschedealer.
Havethefaultremediedatanauthorized
Porschedealer.
Coolanttemperaturegaugeisfaulty.
Havethefaultremediedatanauthorized
Porschedealer.
Thecoolanttemperaturegauge,tacho-
meterorcruisecontrol,etc.,couldbefaulty.
Havethefaultremediedatanauthorized
Porschedealer.
94Controls,Instruments

Maintenance,CarCare
Cautions168
Powermeasurements168
Coolantlevel169,170
Engineoil170-173
Engineoillevel171
Engineoilrecommendation172,173
Brake-fluidlevel174
Fueleconomy,operatingyourcar
inothercountries175
Fuel,fillerflap,fueltank176,177
Fuelrecommendations177,178
Emissioncontrolsystem179,180
Fuelevaporationcontrol,
washerfluid181
Powersteeringfluidlevel182
Airfilter,particlefilter,
automatictransmissionfluid,
manualtransmissionoil183
Wiperblades184
Carcare185-193
Maintenance,CarCare
167

ExerciseExtremeCautionwhen
WorkingonyourVehicle

/!\Warning!
Ignoring
the
followinginstructionsmay
causeseriouspersonalinjury.

[>
Theenginecompartmentofanymotorvehicle
isapotentiallyhazardousarea.Ifyouarenot
fullyfamiliarwithproperrepairprocedures,do
notattempttheadjustmentsdescribedonthe
followingpages.
Thiscautionappliestotheentirevehicle.
[>Onlyworkonyourvehicleoutdoorsorina
wellventilatedarea.
[>Ensurethattherearenoopenflamesinthe
areaofyourvehicleatanytimewhenfuel
fumesmightbepresent.Beespeciallycau-
tiousofsuchdevicessuchashotwater
heaterswhichigniteaflameintermittently.
[>Beforeworkingonanypartintheenginecom-
partment,turntheengineoffandletitcool
downsufficiently.Hotenginecompartment
componentscanburnskinoncontact.
[>Bealertandcautiousaroundengineatall
timeswhiletheengineisrunning.
Ifworkhastobeperformedwiththeengine
running,alwayssettheparkingbrake,and
makesuretheshiftleverisinneutralorthe
selectorleverisinposition"P"or"N".
168Maintenance,CarCare
[>
Inparticular,beverycarefultoensurethat
itemsofclothing(ties,shirt,sleevesetc.),
jewelry,longhair,handorfingerscannotget
caughtintheengine-compartmentblower,
fan,beltsorothermovingparts.
Theradiatorandradiatorfansareinthefront
ofthecar.
Theengine-compartmentblowerismounted
ontheenginecompartmentlid.
Thefanscanstartorcontinuerunningasa
functionoftemperature,evenwiththeengine
switchedoff.
Carryoutworkintheseareasonlywiththe
engineoffandexerciseextremecaution.
[>YourPorscheisequippedwithanelectronic
ignitionsystem.Whentheignitionison,high
voltageispresentinallwiresconnectedwith
theignitionsystem;therefore,exerciseex-
tremecautionwhenworkingonanypartof
theenginewhiletheignitionisonortheen-
gineisrunning.
[>Alwayssupportyourcarwithsafetystandsif
itisnecessarytoworkunderthecar.The
jacksuppliedwiththecarisnotadequatefor
thispurpose.
[>
Whenworkingunderthecarwithoutsafety
standsbutwiththewheelsontheground,
makesurethecarisonlevelground,the
wheelsareblocked,andthattheenginecan-
notbestarted.
Removetheignitionkey.
[>
Donotsmokeorallowanopenflamearound
thebatteryorfuel.
Keepafireextinguisherinclosereach.
[>Incompleteorimproperservicingmaycause
problemsintheoperationofthecar.Ifin
doubtaboutanyservicing,haveitdoneby
yourauthorizedPorschedealer.
Impropermaintenanceduringthewarranty
periodmayaffectyourPorschewarranty
coverage.
[>Suppliesoffluids,e.g.engineoil,brakefluid
orcoolant,arehazardoustoyourhealth.
Keepthesefluidsoutofchildren'sreachand
disposeoftheminaccordancewiththeap-
propriateregulations.
[>Somecountriesrequireadditionaltoolsand
specialsparepartstobecarried.
Pleasemakeenquiriesbeforedrivingabroad.
Powermeasurements
Powermeasurementsondynamometersarenot
approvedbyPorsche.

Coolant
level

Followtheinstructionsinthe"Cautions"chapter.
Thecoolingsystemisfilledatthefactorywitha
permanentcoolant.
Itprovidesyear-roundprotectionfromcorrosion
andfreezingdownto-31°Fj-35°C(Nordic
countries-40°Fj-40°C).
OnlyuseantifreezeauthorizedbyPorsche.
Checkingcoolantlevel
Theexpansiontankwithitsfillerorificeisinthe
enginecompartment.
~Checkthecoolantlevelregularlythroughthe
transparentexpansiontank.
Whentheengineiscoldandthecarislevelthe
fluidlevelmustliebetweenthe"Min."and"Max."
markings.

Toppingoffcoolant

A.Warning!
Dangerofseriouspersonalinjuryfrom
scalding.Coolantishazardoustoyour
health,andmaybefatalifswallowed.
~Donotopenthecapoftheexpansiontank
whiletheengineishot.
~Allowtheenginetocooldownbeforeopening
thecapandprotectyourhands,armsand
facefromanypossibleescapeofhotcoolant.
~Keepcoolantoutofchildren'sreach.
~Also,keepcoolantawayfromyourpets.
Theycanbeattractedtoitshouldtherebea
spill,ortousedcoolantleftinanopencon-
tainer.Coolantcanbedeadlytopetsifcon-
sumed.
1.Switchengineoffandletitcool.
Seethechapteronthe"Coolingsystem".
2.Covertheexpansiontankcapwithathick
rag.
Opencapslowlyandcarefullyandallowover-
pressuretoescape.
Thenunscrewcapcompletely.
3.Onlyaddamixtureofantifreezeandwaterin
equalparts,anddonotexceedthe"Max."
mark.
Antifreezeincoolant:
50%givesprotectiondownto-31°Fj-35°C
60%givesprotectiondownto-58°Fj-50°C
4.Screwcapfirmlyon.
Ifinanemergencypurewaterhasbeenadded,
themixratiomustbecorrectedatanauthorized
Porschedealer.
Markedlossofcoolantindicatesleakageinthe
coolingsystem.
Thecauseshouldimmediatelyberemediedat
anauthorizedPorschedealer.
~~~
Maintenance,CarCare
169

Engine-compartment
blower,

radiatorfan
Theradiatorandradiatorfansareinthefrontof
thecar.
Theengine-compartmentblowerismountedon
theenginecompartmentlid.
/?\.Warning!
Riskofinjury.
Aftertheengineisswitchedoff,theengine-
compartmentandcoolanttemperaturesare
monitoredforapprox.20minutes.
Duringthisperiod,anddependingontem-
perature,theengine-compartmentblower
andradiatorfansmaycontinuetorunor
starttorun.
I>Carryoutworkintheseareasonlywiththe
engineoffandexerciseextremecaution.
170Maintenance,CarCare
EngineOil
Engineoilconsumption
Itisnormalforyourenginetoconsumeoil.
Therateofoilconsumptiondependsonthe
qualityandviscosityofoil,thespeedatwhich
theengineisoperated,theclimate,roadcondi-
tionsaswellastheamountofdilutionandoxida-
tionofthelubricant.
Ifthevehicleisusedforrepeatedshorttrips,
andconsumesanormalamountofoil,theen-
gineoilmeasurementmaynotshowanydropin
theoillevelatall,evenafter600miles(1000
km)ormore.Thisisbecausetheoilisgradually
becomingdilutedwithfuelormoisture,makingit
appearthattheoillevelhasnotchanged.
Thedilutingingredientsevaporateoutwhenthe
vehicleisdrivenathighspeeds,asonanex-
pressway,makingitthenappearthatoilisex-
cessivelyconsumedafterdrivingathighspeeds.
Iftheconditionsyoudriveyourvehicleinare
dusty,humid,orhot,thefrequencyoftheoil
changeintervalsshouldbegreater.
Ifthevehicleisdrivenatahighrateofspeed,
climaticconditionsarewarm,andtheloadis
high,theoilshouldbecheckedmorefrequently,
asdrivingconditionswilldeterminetherateof
oilconsumption.
-Theengineinyourvehicledependsonoilto
lubricateandcoolallofitsmovingparts.
Therefore,theengineoilshouldbechecked
regularlyandkeptattherequiredlevel.
-Makeitahabittohavetheengineoillevel
checkedwitheveryfuelfilling.
-Theoilpressurewarninglightisnotanoil
levelindicator.
Theoilpressurewarninglightindicates
seriousenginedamagemaybeoccuring
whenlit,ifenginerpmisaboveidlespeed.

FuelEvaporationControl
Fuel
tank
venting
Theevaporationchamberandthecarboncanis-
terpreventfuelfromescapingtotheatmos-
phereatextremehighoutsidetemperatures,
whendrivingabruptlyaroundcurvesandwhen
thecarisparkedataninclineorinanyother
nonlevelposition.
Vaporcontrol
systemandstorage

Whenthefueltankisfilled,vaporsarecollected
intheevaporationchamberbyaventlinelead-
ingthevaporstothecarboncanisterwherethey
arestoredaslongastheenginedoesnotrun.
Purge
system

Whentheengineisrunning,thefuelvaporsfrom
thecanisterwillbemixedwithfreshairfromthe
ambientairofthecanister.Thismixturewillbe
directedtotheintakeairhousingbythetank
ventline,mixedwiththeintakeairandburned
duringnormalcombustion.
WasherFluid
Thereservoir,withabluescrewcap,isinthe
luggagecompartment,totherearleft.
Capacity
-Withoutheadlightcleaningsystem:
approximately2.5liters.
-Withheadlightcleaningsystem:
approximately6.5liters.
Cleanwaterisgenerallynotenoughtocleanthe
windshieldandheadlights.
Itisadvantageoustoaddawintercleanergiving
antifreezeprotectionorasuitablesummer
cleaner,dependingontheseason.Followthein-
structionsforthemixingratio.
t>Donotuseenginecoolantanti-freezeorany
othersolutionthatcandamagethecar's
paint,inthewasherreservoir.
t>Pleasenotealltheinformationonthecon-
tainerofthecleaningagent.
e

Warning
light
Thewarninglightsintheinstrumentpaneland
on-boardcomputerlightwhenapproximately
0.5literisleftinthereservoir.
Maintenance,CarCare
181