flat tire PORSCHE 911 CARRERA 2003 4.G Owners Manual

DearPorscheOwner
Alothasgoneintothemanufactureofyour
Porsche,includingadvancedengineering,rigid
qualitycontrolanddemandinginspections.
Theseengineeringandsafetyfeatureswillbe
enhancedbyyou...
thesafedriver...
whoknowshiscarandallcontrols,
whomaintainsthevehicleproperly,
whousesdrivingskillswiselyandalwaysdrives
withinher/hisowncapabilitiesandthelevelof
familiaritywiththevehicle.
Youwillfindhelpfulhintsinthismanualonhow
toperformmostofthecheckslistedonthe
followingpages.
Ifindoubt,havethesechecksperformedby
yourauthorizedPorschedealer.
12Controls,Instruments
Beforedrivingoff...
Check
thefollowingitemsfirst

I>Turntheengineoffbeforeyouattemptany
checksorrepairsonthevehicle.
I>Besurethetiresareinflatedcorrectly.
Checktiresfordamageandtirewear.
I>Seethatwheelboltsareproperlytightened
andnotlooseormissing.
I>Checkengineoillevel,addifnecessary.
Makeitahabittohaveengineoilchecked
witheveryfuelfilling.
I>Checkallfluidlevelssuchaswindshield
washerandbrakefluidlevels.
I>Besurethevehiclebatteryiswellcharged
andcrankstheengineproperly.
I>Checkalldoorsandlidsforproperoperation
andlatchthemproperly.
I>Checkandifnecessaryreplacewornor
crackedwiperblades.
I>Seethatallwindowsareclearandunob-
structed.
I>Checkairintakeslotsandareabetweenlug-
gagecompartmentlidandwindshieldarefree
ofsnowandice,sotheheaterandthewind-
shieldwipersworkproperly.
I>Ifachildwillberidinginthevehicle,check
childseaVchildseatrestraintsystemtoen-
surethatrestraintsareproperlyadjusted.
I>Checkallexteriorandinteriorlightsforoper-
ationandthatthelensesareclean.
I>Checktheheadlightsforproperaim,andif
necessary,havethemadjusted.
I>Checkunderthevehicleforleaks.
I>Besureallluggageisstowedsecurely.
Emergencyequipment
Itisgoodpracticetocarryemergencyequip-
mentinyourvehicle.
Someoftheitemsyoushouldhaveare:
windowscraper,snowbrush,containerorbag
ofsandorsalt,emergencylight,smallshovel,
first-aid
kit,etc.

FuelEconomy
Fueleconomywillvarydependingon
where,whenandhowyoudrive,optional
equipmentinstalled,andthegeneralcondi-
tionofyourcar.
Acartunedtospecificationsandcorrectly
maintained,willhelpyoutoachieveoptimal
fueleconomy.
I>Haveyourvehicletunedtospecifications.
Aircleanershouldbedirtfreetoallowproper
engine"breathing".
Batteryshouldbefullycharged.
Wheelsshouldbeproperlyaligned.
Tiresshouldbeinflatedatcorrectpressure.
I>Alwaysmonitoryourfuelconsumption.
I>Drivesmoothly,avoidabruptchangesin
speedasmuchaspossible.
I>Avoidjackrabbitstartsandsuddenstops.
I>Donotdrivelongerthannecessaryinthe
lowergears.Shiftingintoahighergearearly
withoutluggingtheenginewillhelpsavefuel.
I>Prolonged"warmup"idlingwastesgas.Start
thevehiclejustbeforeyouarereadytodrive.
Accelerateslowlyandsmoothly.
I>Switchofftheengineifstationaryforlonger
periods.
I>Anyadditionalweightcarriedinthevehiclere-
ducesfueleconomy.Alwayskeepcargotoa
minimumandremoveallunnecessaryitems.
I>Organizeyourtripstotakeinseveralerrands
inonetrip.
I>Allelectricalaccessoriescontributetoin-
creasedfuelconsumption.
I>Onlyswitchontheairconditioningwhen
necessary.
I>DonotdrivewiththeRoofTransportSystem
mountedunlessyouneedit.
TheEPAestimatedm.p.g.istobeusedfor
comparisonpurposes,actualmileagemay
bedifferentfromtheestimatedm.p.g.,de-
pendingonyourdrivingspeed,weather
conditionsandtriplength.Youractual
highwaymileagewillprobablybelessthan
theestimatedm.p.g.
I>Pleaseobservealllocalandnationalspeed
limits.
OperatingYourPorscheinother
Countries
GovernmentregulationsintheUnitedStatesand
Canadarequirethatautomobilesmeetspecific
emissionregulationsandsafetystandards.
Therefore,carsbuiltfortheU.S.andCanada
differfromvehiclessoldinothercountries.
IfyouplantotakeyourPorscheoutsidethecon-
tinentallimitsoftheUnitedStatesorCanada,
thereisthepossibilitythat
-unleadedfuelmaynotbeavailable;
-unleadedfuelmayhaveaconsiderablylower
octanerating.Excessiveengineknockand
seriousdamagetobothengineandcatalytic
converterscouldresult;
-servicemaybeinadequateduetolackof
properservicefacilities,toolsordiagnostic
equipment;
-replacementpartsmaynotbeavailableor
verydifficulttoget.
Porsche
cannot
beresponsibleforthe
mechanicaldamagethatcouldresultbe-
causeofinadequatefuel,serviceorparts
availability.
IfyoupurchasedyourPorscheabroadandwant
tobringitbackhome,besuretofindoutabout
shippingandforwardingrequirements,aswell
ascurrentimportandcustomsregulations.
Maintenance,CarCare
175

Storing
yourPorsche
IfyouintendtostoreyourPorscheforapro-
longedperiod,pleaseconsultyourauthorized
Porschedealer.Thestaffwillbegladtoadvise
youonthemostsuitableandnecessary
methods.
I>Cleanyourvehiclethoroughlyinsideandout-
side.
Cleantheenginecompartment.
Theundercarriageandchassiscomponents
shouldbefreeofdirtandsaltdeposits.
I>Fillupthefueltank.
I>Changetheoilandoilfilter,andruntheen-
gineforseveralminutes.
I>Increasethetirepressureto58psi(4bar).
Itisnotrecommendedtoliftthevehicle,due
tothepossibilityofcorrosiononshockabsor-
berpistonshafts.
Thevehicleshouldbemovedslightly,approxi-
matelyeveryfourweeks,topreventflatspot
onthetires.
Climatecontrol
Theairconditioningsystemshouldbeingood
workingconditionandfullycharged.
Windshield/Headlightwasher
I>Checkandcorrectantifreeze/cleaningsolu-
tionlevelasnecessary.
Electricalsystem
I>Removethebatteryfromthevehicleand
storeitinacooldryplace,notonacement
floor.
Whenthebatteryisdisconnected,the
alarmsystemisdeactivated.
I>Rechargethebatteryevery3months.Ifthe
batteryremainsinthevehiclewiththecables
connected,itisnecessarytocheck,remove
andrechargethebatteryevery2-3weeks.

Donotfastchargethebattery.
I>
Followtheinstructionsinthe"Battery"chap-
ter.
Vehicle
interior
The
interiormustbedry,especiallyinthearea
ofthefloorcarpets.Theuseofdryingagents
(Silica-Gel)isrecommendedinvehicleswith
leatherinteriorandinareaswithhighhumidity.
Therecommendedamountis3fabricbagsof
1.1Ibs.(500grams)eachplacedonthefloor
carpets.
Windows,doors,lidsandroofmustbeclosed.
Theairflapsshouldbeopened.
Maintenance,CarCare
193

Temperature
A,B,C
ThetemperaturegradesareA(thehighest),B
andC,representingthetire'sresistancetothe
generationofheatanditsabilitytodissipate
heatwhentestedundercontrolledconditionson
aspecifiedindoorlaboratorytestwheel.
Sustainedhightemperaturescancausethema-
terialofthetiretodegenerateandreducetire
life,andexcessivetemperaturecanleadtosud-
dentirefailure.
ThegradeCcorrespondstoalevelofperfor-
mancewhichallpassengercartiresmustmeet
undertheFederalMotorVehicleSafetyStandard
No.109.
GradesBandArepresenthigherlevelsofper-
formanceonthelaboratorytestwheelthanthe
minimumrequiredbylaw.
A
Warning!
Thetemperaturegradeforthistireisestab-
lishedforatirethatisproperlyinflatedandnot
overloaded.
Excessivespeed,underinflation,orexcessive
loading,eitherseparatelyorincombination,can
causeheatbuildupandpossibletirefailure.
Tirepressures
A
Warning!
Incorrecttirepressurecausesincreased
tirewearandadverselyaffectsroadhand-
ling.
I>Alwaysuseanaccuratetirepressuregauge
whencheckinginflationpressures.
I>Donotexceedthemaximumtirepressure
listedonthetiresidewall.(Alsoreferto"Tech-
nicaldata").
I>Coldtireinflationpressuremeans:alltires
mustbecold,ambienttemperaturemaximum

68°F
(20°C),whenadjustingtheinflation
pressure.
Avoidsunlightstrikingthetiresbefore
measuringcoldpressures,sincethepress-
ureswouldrisefromtemperatureinfluence.
I>Valvecapsprotectthevalvefromdustand
dirt,andthusfromleakage.
Alwaysscrewcapstightlydown.
Replacemissingcapsimmediately.
I>Forsafetyreasons,don'tusetireinflating
bottles.

Tiretraction

A
Warning!
Whendrivingonwetorslushyroads,a
wedgeofwatermaybuild
up
betweenthe
tiresandtheroad.Thisphenomenonis
knownas"hydroplane"andmaycausepar-
tialorcompletelossoftraction,vehicle
controlorstoppingability.
I>Reducespeedonwetsurfacetopreventthis.

Tirelife

Tirelifedependsonvariousfactors,i.e.,road
surfaces,trafficandweatherconditions,driving
habits,typeoftiresandtirecare.
I>Inspectyourtiresforwearanddamagebe-
foredrivingoff.Ifyounoticeunevenorsub-
stantialwear,wheelsmightneedalignmentor
tiresshouldbebalancedorreplaced.
I>I>I>
PracticalTips,EmergencyService
199

Tire
wear
TheoriginalequipmenttiresonyourPorsche
havebuilt-intirewearindicators.Theyare
moldedintothebottomofthetreadgrooves
andwillappearasapproximately1/2in(12mm)
bandswhenthetiretreaddepthisdownto
1/16ofanin(1.6mm).
Whentheindicatorsappearintwoormoread-
jacentgrooves,itistimetoreplacethetires.
Werecommend,however,thatyoudonotlet
thetiresweardowntothisextent.
Worntirescannotgriptheroadsurfaceproperly
andareevenlesseffectiveonwetroads.
IntheUnitedStates,statelawsmaygovernthe
minimumtreaddepthpermissible.Followall
suchlaws.
200PracticalTips,EmergencyService
/!\Warning!
Drivingonworntirescanresultinlossof
controlofthevehicleandcouldcause
severepersonalinjuries.
~Donotdrivewithworntiresortiresshowing
cutsorbruisesastheymayleadtosudden
deflationandlossofcontrolwhichcould
causeseverepersonalinjury.
~Specializedhighperformancetiresonhigh
performancesportscarsexhibitmorewear
thanthoseonafamilysedan,orevenahigh
performancesedan.
Therefore,itisimportanttocheckyourtire
pressureandconditionatleasteverytwo
weeks.
Ifyounoticethattiresarewearingunevenly,
consultyourPorschedealer.
Unevenwearmaynotalwaysbeduetoim-
properwheelalignment.Itcanbetheresultof
individualdrivinghabitssuchascorneringat
highspeeds.Ifthetirepressureisnotchecked
andadjustedregularly,abnormaltirewearcan
alsooccur.
Tirecare
~Avoiddamagingtiresandwheelrims.
~Ifyoumustdriveoveracurborotherob-
stacle,driveslowlyandatanobtuseangle.
~Checktiresforunevenwearanddamagebe-
foredrivingoff.
~Removeimbeddedmaterial.
~Replacewornordamagedtiresimmediately.
~Keepoil,fuel,brakefluid,etc.awayfrom
tires.
~Replacemissingvalvestemcaps.
~Keeptiresinflatedcorrectly.

Spare
Wheel
Thesparewheelissecuredintheluggagecom-
partmentwithwingnuVwingscrewA.
Thereisaplasticsheetinthetoolpocketto
storethedamagedwheel.

Importantnote

Followallwarningsandinstructionsfoundinthis
manualforchangingawheel.
206PracticalTips,EmergencyService
911Carrera,Targa911Carrera4,Carrera45
911
CalTera,
Targa911Carrera
4,
CalTera4S
The911Carrera4isequippedwithacollapsible
sparewheelthatmustbeinflatedwiththeelec-
tricalcompressorwhenneeded.

Tirepressure:36psi(2.5bar).

I>Checkthepressureofthesparewheelregu-
larly:60psi(4.2bar).

ChangingWheels

A
Warning!
Failure
to
followtheseinstructionsmayre-
sultinseriouspersonalinjuriestoyouorto
bystanders.
Beforechangingthewheel
I>Ifyouhaveaflattire,moveasafedistance
offtheroad.
Turntheemergencyflasheron
anduseotherwarningdevicestoalertother
motorists.
I>Donotparkyourvehiclewhereitmaycontact
drygrass,brushorotherflammablema-
terials.Thehotpartsoftheexhaustsystem
could
set
suchmaterialsonfire,thereby
causingbothpropertydamageandsevereor
fatalphysicalinjury.

I>
Passengersmustnotremaininthevehicle
whenitisjacked
up.
I>Before
youchangeawheel,besurethe
groundislevelandfirm.Ifnecessary,usea
boardunderthejacktoensurethatthejack
doesnotsinkintotheground.

I>Setthe
parkingbrakeandblockthewheels
oppositetheflattireontheothersideofthe
vehicle.
While
operatingthejack
I>The
jackisonlytobeusedforchanginga
wheel.Donotuseitasasupporttowork
underthecar.
I>Thecarmustbejackeduponlyattheillus-
tratedjackingpoints.
Liftingatanyotherplacemaydamagetheve-
hicleormayresultinpersonalinjury.
Neverjackthecarupbythebodyorthe
bumpers.

I>Forsafety
reasonsdonotusetireinflating
bottles.
Donotusecommerciallyavailablesealant
bottles.

Sequence
ofoperation
A

Warning!
Thejackmustbeusedonlytoraisethecar
forwheelchanging.
Thejackmustneverbeusedasasupport
toworkunderneaththevehicle.Ifthejack
isaccidentallydislodged,youorbystanders
couldsufferseverepersonalinjury.

I>Neverjackupothervehiclesorotherloads
withthejack.
I>Alwaysplacethecaronstablesupportsifyou
havetoworkunderit.
Whenworkingunderthevehicle,alwaysuse
safetystandsspecificallydesignedforthis
purpose.
Pleaseuseasuitablekneeresttoprotectyour
clothingagainstsoiling.
I>I>I>
PracticalTips,EmergencyService
209

Collapsiblesparewheel
Refertothechapter"Spacerrings"beforefitting
thesparewheel.
Ifincorrectlyfitted,thesparewheelmaycome
offwhilstdriving.
1.Mountthecollapsiblesparewheelonthe
vehiclebeforeinflatingit.
2.Screwfillerhoseofthecompressorontothe
tirevalve.
3.Insertplugofthecompressorintotheciga-
rettelighter.
Therequiredfillingpressurewillbereached
afterafewminutes.
4.Checkfillingpressurewiththepressuretes-
ter.
Requiredfillingpressure:
36psi(2.5bar).
Ifthepressureistoohigh,releasesomeair
bypressingthevalveinsert.
Afterusingthecollapsiblesparewheel
I>Releaseairbyunscrewingthevalveinsert.
Thetirewillreverttoitsoriginalshapeonly
afterseveralhours.Onlythencanitbe
stowedinthesparewheelrecessinthe
luggagecompartment.
Repair
I>Thecollapsiblesparewheelmustberepaired
onlybythemanufacturer.Pleaseconsultyour
authorizedPorschedealerifthecollapsible
sparewheelisdefective.
PracticalTips,EmergencyService
211