engine PORSCHE 911 CARRERA 2003 4.G Owner's Manual

PorscheStabilityManagement
(PSM)
PSMisanactivecontrolsystemforstabilizing
thevehicleduringextremedrivingmaneuvers.
/!\.Warning!
Theincreasedcontrolthatisprovided
shouldnotinduceyoutotakegreaterrisks
withyoursafety.Thelimitsdictatedbythe
lawsofphysicscannotbeovercome,even
withPSM.
Theriskofaccidentsduetoinappropriate
speedcannotbereduced,evenbyPSM.
Thedriverbearstheresponsibilityforall
drivingmaneuvers.
[>Adaptyourdrivingstyletotheprevailingroad
andweatherconditions.
[>Obeyalltrafficlaws.
AdvantagesofPSM
-Superiortractionandlane-holdingabilityinall
drivingsituations-evenonroadsurfaces
withvaryingfriction.
-PSMactivelystabilizesthevehicleduringdy-
namicdrivingmanoeuvres(e.g.rapidsteering
movements,duringlanechangesoronalter-
natingcurves).
58Controls,Instruments
-Improvedbrakingstabilityincurvesandon
differentorvaryingroadsurfaces.
Readinessforoperation
ThePSMisengagedautomaticallyeverytime
youstarttheengine.
Function
Sensorsatthewheels,brakes,steeringsystem
andenginecontinuouslymeasure:
-Drivingspeed
-Directionoftravel
-Lateralacceleration
-Rateofturnaboutthevehicle'sverticalaxis
ThePSMusesthesevaluestodeterminethe
directionoftraveldesiredbythedriver.
PSMintervenesandcorrectsthecourseifthe
vehicle'sactualdirectiondeviatesfromthe
desiredcourse(steering-wheelposition).It
brakesindividualwheelsasneeded.Ifnecess-
ary,thePSMadditionallyinfluencestheengine
powerorthegear-changingcharacteristicofthe
Tiptronicinordertostabilizethevehicle.
TheeventsbelowinformthedriverofPSMcon-
troloperationsandwarnhimtoadapthisdriving
styletotheroadconditions:
-Theinformationlightintheinstrumentpanel
lightsup.
-Hydraulicnoisescanbeheard.
-Thevehicledeceleratesandsteering-wheel
forcesarealteredasthePSMcontrolsthe
brakes.
-Reducedenginepower.
-Thebrakepedalpulsatesanditspositionis
changedduringbraking.
However,itispossibleatanytimetoachieve
fullvehicledecelerationbyincreasingthefoot
pressureslightlyonthebrakepedal.

911Carrera4,911Carrera4S
Four-WheelDrive
Withthefour-wheeldrive,theenginepoweris
variablydistributedtothefrontandrearwheels.
Powerdistributionandwheelspeedcompensa-
tionbetweenthefrontandrearaxlesisrealised
withaviscousmultiple-discclutch.
Distributionoftheenginepowerisdependent
uponthewheelspeeddifferencebetweenthe
twoaxles.
Theviscousmultiple-discclutchalwaysdelivers
sufficientdrivepowertothefrontwheels
(approx.5%to
40%)
toensureoptimumtraction
evenonapoorroadsurface.
IncombinationwiththePorscheStabilityMan-
agement(PSMJ,four-wheeldriveensuresopti-
mumhandlingandincreaseddrivingstability.
60Controls,Instruments
/!\.Warning!
Theincreasedcontrolthatisprovided
shouldnotinduceyoutotakegreaterrisks
withyoursafety.Thelimitsdictatedbythe
lawsofphysicscannotbeovercome,even
withfour-wheeldrive.
Theriskofaccidentsduetoinappropriate
speedcannotbereduced,evenbyfour-
wheeldrive.
Thedriverbearstheresponsibilityforall
drivingmaneuvers.
I>Adaptyourdrivingstyletotheprevailingroad
andweatherconditions.
I>Obeyalltrafficlaws.
Dynamometertestingprocedure
SomeU.S.statesandCanadianprovincescon-
ductemissionsinspection/maintenancetesting
involvingtheuseoftwo-wheeldynamometer.
Atwo-wheeleddynamometerisatreadmilltype
deviceuponwhichasingleaxleofthecar,the
drivingaxleofthevehicle,rotatestosimulate
vehicleoperationontheroadwhilethevehicle
remainsstationary.
Your911Carrera4hasafull-timefour-wheel
drivesystemwhichcannotbedisabled.Severe
damagetothepowertraincanresultiftestedon
atwo-wheeldynamometer.
/!\.Warning!
Toavoidseverepowertraindamageanda
possibleunexpectedmovementoftheve-
hicle.
I>Your911Carrera4vehiclemustneverbe
testedonatwo-wheeldynamometer.
I>Advisetheemissionstationofthiswarningbe-
foretestingthevehicle.
Powermeasurement
Powermeasurementsondynamometersarenot
approvedbyPorsche.

Ignition/StarterSwitchwith
anti-theftSteeringLock
Foryoursafety,
fastensafetybelts.

Seealsothechapteron"Immobilizer".
64Controls,Instruments
Beforestartingtheengine
I>Applythehandbrake.

I>Manualtransmission:

Movethegearshiftleverintoneutral.
Theclutch
pedalmustbedepressedfully
beforethestarterwillengage.
I>Tiptronic:

Movetheselectorleverto"P"or"N".
Switchposition0
Theignitionkeycanbewithdrawninthisposi-
tiononly.
Tiptronicmodels
Theignitionkeycanbewithdrawnonlywhenthe
selectorleverisinthe"P"position.
Thesteeringislockedwhenthekeyiswith-
drawn.

I>
Engagethesteeringlockbymovingthesteer-
ingwheeltotheleftorright.
Turnthesteeringwheeltothelockingposition
beforeyouswitchofftheenginesothatyou
don'thavetoexertyourselfwhenlockingor
unlockingthesteering.

Switchposition
1
Ignitionison.
Allelectricalequipmentcanbeswitchedon.
Thewarninglightslightupforalampcheck.
Pleasenotethedescriptionoftheindividual
warninglights.
I>Whenturningthekeytoposition1,relievethe
steeringlockwithaslightsteeringmovement.
Note
Toconservebatterypoweratlowrpm(traffic
jams,towndrivingetc,),switchoffallelectrical
consumerswhicharenotneededatthatmo-
ment.

Switchposition2
Startingtheengine
I>
Turnthekeyfromposition1toposition
2.
Theclutchpedalmustbedepressedfully
beforethestarterwillengage.

Thefirstoperationofthestarterisendedauto-
maticallywhentheenginestarts.
Iftheenginedoesnotstart,subsequentstarter
operationswillnotbeendedautomatically.
Iftheenginedoesnotstartatthefirsttimeor
stallsatanytime,thekeymustbereturnedto
positionO.
Whentheengineisrunning,thewarninglights
shouldgooff.Ifalightdoesnotgooff,take
appropriateactionasindicatedinthismanual.

Switchingengineoff
I>
Turntheignitionkeyfromposition1toposi-
tion
O.
A
Warning!
Riskofanaccident.
Thesteeringwheelwilllockandwillcause
lossofsteering.
I>
Neverremovekeyfromtheignitionlockor
turnthekeyoffwhilethevehicleismoving.

I>To
avoidbatteryrun-down,alwaysremovethe
ignitionkeyfromtheignitionlock.
Seealsothechapteron"Battery".

I>
Turnthesteeringwheeluntilthesteeringlock
isengaged.

Note
On
vehicleswithTiptronicitisonlypossibleto
removetheignitionkeyiftheselectorleverisin
position
"P".
Gong

Ifyouleavethekeyintheignition/steeringlock,
agongwillsoundwhenthedriver'sdooris
opened.Thisisaremindertoremovethekey.
Controls,Instruments
65

Starting
Procedures
Seealsothechapteron"Immobilizer".
/!\Warning!
Serious
injurymayresultifyouarein-
volvedinacollisionwithout
having
fastened
thesafetybelts.

[>
Fastensafetybeltsbeforedrivingaway.
Beforestartingtheengine
[>Applythehandbrake.

[>Manualtransmission:

Movethegearshiftleverintoneutral.
Theclutch
pedalmustbedepressedfully
beforethestarterwillengage.
[>Tiptronic:

Movetheselectorleverto"P"or"N".
Temperaturesensorsontheengineautomat-
icallyprovidethecorrectfuel/airmixturere-
quiredforstarting.
Therefore,
itisnotnecessarytodepressthe
acceleratorpedal
whilestartingacoldora
warmengine.

[>As
soonastheenginestarts,releasetheigni-
tionkey.
66Controls,Instruments
Thefirstoperationofthestarterisendedauto-
maticallywhentheenginestarts.
Iftheenginedoesnotstart,subsequentstarter
operationswillnotbeendedautomatically.
Iftheenginefailstostartafter10or15sec-
ondsofcranking:

[>
Waitabout10secondsbeforeengagingthe
starteragain.
[>
Donotlettheengineidletowarm
up.
[>

Whenstartingtheengine,bereadytodrive
immediately.
Drivevehicleatmoderatespeedsandavoid
enginespeedsabove4,200rpmduringthe
first5minutes.

/!\Danger!
Engineexhaustfumeshavemanycompo-
nentswhichyoucansmell.Theyalsocon-
taincarbonmonoxide
(CO),
whichisaco-
lorlessandodorlessgas.
Carbonmonoxidecancauseunconscious-
nessandevendeathifinhaled.

[>
Neverstartorlettheengineruninanen-
closed,unventilatedarea.
Itisnotrecommendedtositinyourcarfor
prolongedperiodswiththeengineonandthe
carnotmoving.

Anunattendedvehiclewitharunningen-
gineispotentiallyhazardous.
Ifwarninglightsshouldcomeontoindicate
improperoperation,theywouldgounno-
ticed.
[>

Neverleavetheengineidlingunattended.

Dangeroffire.

[>Donotparkoroperatethevehicleinareas
wherethehotexhaustsystemmaycomein
contactwithdrygrass,brush,fuelspillor
otherflammablematerial.

[>
If
yourcarcatchesonfireforanyreason,call
thefiredepartment.
Donotendangeryourlifebyattemptingto
putoutthefire.

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

InstrumentPanelUSAModels
Informationaboutindividualindicatorsis
givenonthespecifiedpages.
1Voltmeter,72
2Speedometerwithanaloguedisplay,74
3Speedometerwithdigitaldisplay,74
4Automaticspeedcontrolindicatorlight,72
5Tachometer,75
6Turnsignalindicatorlight,left,75
7Highbeamindicatorlight,75
8On-boardcomputer,82-97
9Turnsignalindicatorlight,right,75
10Lightsensorforinstrumentillumination,73
11Clock,79
12Tiptronicindicator,77
13Coolingsystem
Temperaturegauge,warninglight,76,77
14Fuel
Levelgauge,warninglight,78
15Engineoilpressuregauge,80
Warninglightslindicatorlights
AWasherfluidlevelwarninglight,181
BCheckenginewarninglight,81
CPorscheStabilityManagement(PSM)
Informationlight,59
DPorscheStabilityManagement(PSM)
Warninglight,59
EABSwarninglight,57
FBrakefluidlevel,
Brakedistributionwarninglight,54,174
GParkingbrakewarninglight,53
HBrakepadwearwarninglight,55
IEngineoilpressurewarninglight,80
KBatterywarninglight,72
LSafetybeltwarninglight,39
MAirbagwarninglight,45
NRetractablerearspoilerwarninglight,50
aLuggagecompartmentlid,
Enginecompartmentlid,
Rearlid(Targa)
Warninglight,118,163
PConvertibletopwarninglight,143
QRolloverprotectionsystemwarninglight,46
When
theignitionisswitchedon,thewarn-
inglightslightupforalampcheck.
Note

Warningsthathavebeengivenarestoredinthe
appropriatecontrolunitmemoryandcanbe
readoutatanauthorizedPorschedealer.
Thisinformationcanhelptowarnyouaboutsitu-
ationswhichmaybehazardoustoyouoryour
car.
Controls,Instruments
69

InstrumentPanelCanadaModels
Informationaboutindividualindicatorsis
givenonthespecifiedpages.
1Voltmeter,72
2Speedometerwithanaloguedisplay,74
3Speedometerwithdigitaldisplay,74
4Automaticspeedcontrolindicatorlight,72
5Tachometer,75
6Turnsignalindicatorlight,left,75
7Highbeamindicatorlight,75
8On-boardcomputer,82-97
9Turnsignalindicatorlight,right,75
10Lightsensorforinstrumentillumination,73
11Clock,79
12Tiptronicindicator,77
13Coolingsystem
Temperaturegauge,warninglight,76,77
14Fuel
Levelgauge,warninglight,78
15Engineoilpressuregauge,80
Warninglightslindicatorlights
AWasherfluidlevelwarninglight,181
BCheckenginewarninglight,81
CPorscheStabilityManagement(PSM)
Informationlight,59
DPorscheStabilityManagement(PSM)
Warninglight,59
EABSwarninglight,57
FBrakefluidlevel,
Brakedistributionwarninglight,54,174
GParkingbrakewarninglight,53
HBrakepadwearwarninglight,55
IEngineoilpressurewarninglight,80
KBatterywarninglight,72
LSafetybeltwarninglight,39
MAirbagwarninglight,45
NRetractablerearspoilerwarninglight,50
aLuggagecompartmentlid,
Enginecompartmentlid,
Rearlid(Targa)
Warninglight,118,163
PConvertibletopwarninglight,143
QRolloverprotectionsystemwarninglight,46
When
theignitionisswitchedon,thewarn-
inglightslightupforalampcheck.
Note

Warningsthathavebeengivenarestoredinthe
appropriatecontrolunitmemoryandcanbe
readoutatanauthorizedPorschedealer.
Thisinformationcanhelptowarnyouaboutsitu-
ationswhichmaybehazardoustoyouoryour
car.
Controls,Instruments
71

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.

Tachometer
Thetachometershowstheenginespeedinrev-
olutionsperminute(rpm).
Thebeginningoftheredmarksattherightend
ofthescaleindicatesthemaximumpermissible
enginerpm.
Aspeedlimiterpreventstheenginefrombeing
overrewedduringacceleration.Beforereaching
thisarea,thenexthighergearshouldbese-
lected.
Shifttothenextlowergearwhentheengine
rpmdropsbelow
1500
rpm.
A.Caution!
Toavoidsevereenginedamage.
I>Alwaysobservetheenginerpmbeforedown-
shiftingtoalowergear,soyoudonotex-
ceedthemaximumenginerpm.
++TurnSignalIndicatorLight
Flashesinsynchronismwiththeturnsignals.
Leftarrow-leftturnsignals
Rightarrow-rightturnsignals
I>Ifthefrequencyofthedisplaybecomesno-
ticeablyfaster,checktheoperationofthe
turnsignals.
~DHighBeam
Indicatorlight
Lightswhenhighbeamorheadlightflasheris
switchedon.
Theindicatorlightgoesoutwhenthehigh
beamsareswitchedoff.
Controls,Instruments
75