2003 PORSCHE 911 CARRERA brake pads

Breakinhintsforthefirst

2,000
miles/3,000kilometers
Thefollowingtipswillbehelpfulinobtainingopti-
mumperformancefromyournewPorsche.
Despitethemostmodern,high-precisionmanu-
facturingmethods,itcannotbecompletely
avoidedthatthemovingpartshavetowearin
witheachother.Thiswearing-inoccursmainlyin
thefirst2,000miles/3,000km.
Therefore:
t>Preferablytakelongertrips.
t>Avoidfrequentcoldstartswithshort-distance
drivingwheneverpossible.
t>Avoidfullthrottlestartsandabruptstops.
t>Donotexceedmaximumenginespeedof
4,200rpm(revolutionsperminute).
t>Donotrunacoldengineathighrpmeitherin
Neutraloringear.
t>Donotlettheenginelabor,especiallywhen
drivinguphill.Shifttothenextlowergearin
time(usethemostfavorablerpmrange).
t>Neverlugtheengineinhighgearatlow
speeds.Thisruleappliesatalltimes,notjust
duringthebreak-inperiod.
14Controls,Instruments
t>Donotparticipateinmotorracingevents,
sportsdrivingschools,etc.duringthefirst
2,000miles/3,000kilometers.
Theremaybeaslightstiffnessinthesteering,
gear-shiftingorothercontrolsduringthebreak-in
periodwhichwillgraduallydisappear.
Breakinbrakepads
Newbrakepadsanddiscshavetobe"broken
in",andthereforeonlyattainoptimalfriction
whenthecarhascoveredseveralhundredmiles
orkm.
Theslightlyreducedbrakingabilitymustbe
compensatedforbypressingthebrakepedal
harder.Thisalsoapplieswheneverthebrake
padsandbrakediscsarereplaced.
Newtires
Newtiresdonothavemaximumtraction.They
tendtobeslippery.
t>Breakinnewtiresbydrivingatmoderate
speedsduringthefirst60to120miles/lOO
to200km.Longerbrakingdistancesmustbe
anticipated.
Engineoilconsumption
Duringthebreak-inperiodoilconsumptionmay
behigherthannormal.
Asalways,therateofoilconsumptiondepends
onthequalityandviscosityofoil,thespeedat
whichtheengineisoperated,theclimateand
roadconditions,aswellastheamountofdilu-
tionandoxidationofthelubricant.
t>Makeahabitofcheckingengineoilwithevery
fuelfilling,addifnecessary.

Brake
booster
Thebrakeboosterassistsbraking
only

whentheengineisrunning.

Whenthecarismovingwhiletheengineisnot
running,orifthebrakeboosterisdefective,
morepressureonthebrakepedalisrequiredto
bringthecartoastop.
Moistureorroadsaltonbrakesaffectsbraking.
Whenthevehicleisdrivenonsaltedroadsfor
extendedperiods,thebrakesshouldbewashed
downthoroughlyaboutevery2weeks.Anauto-
maticcarwashfacilitycannotdothisjob
properly.
Brakeswilldryafterafewcautiousbrakeappli-
cations.

A.Warning!
Drivingthroughwatermayreducethetrac-
tion.
Moistureonbrakesfromroadwater,car
wash,orcoatingofroadsaltmayaffect
brakingefficiency.
t>Cautiously
applybrakes
to
testbrakesafter
beingexposed.
Brakewear
Yourcarhasexcellentbrakes,buttheyarestill
subjecttowear.Therateatwhichtheywear
dependsonhowthebrakesareused.

t>
Havethebrakesysteminspectedattheinter-
valsrecommendedinyourMaintenance
Booklet.

8
@
WarninglightUSA
WarninglightCanada

Ifthelightsintheinstrumentpanelandon-board
computerstayonwhentheengineisrunningor
comeonwhiledriving,thebrakepadsareworn,
excessively.
t>Donotcontinuetooperatethevehicle.
HaveyourauthorizedPorschedealerinspect
orreplacethebrakepads.
Brakepads
Wearonthebrakepadsandbrakediscs
dependstoagreatextentonthedrivingstyle
andtheconditionsofuseandthereforecannot
beexpressedinactualmilesontheroad.
Thehigh-performancebrakesystemisdesigned
foroptimalbrakingeffectatallspeedsandtem-
peratures.
Certainspeeds,brakingforcesandambient
conditions(suchastemperatureandhumidity)
thereforemightcausethebrakestosqueal.

Newbrakepadsorlinings

Newbrakepadshavetobe"brokenin",and
thereforeonlyattainoptimalfrictionwhenthe
carhascoveredseveralhundredmilesorkm.
Theslightlyreducedbrakingabilitymustbe
compensatedforbypressingthebrakepedal
harder.Thisalsoapplieswheneverthebrake
padsandbrakediscsarereplaced.
Controls,Instruments
55

InstrumentOn-board
panelcomputer
USA
"
IIJ'
Canada
@
~USA
418II
Canada
0
~USA
418
~Canada
0
~USA
8II
Canada
-
Textdisplayin
on-boardcomputer

Service
wearon
brakepads
Warning
brake
fluidlevel
Warning
brake
distribution
ASSfailure

Meaning/measure

Havethebrakepadsreplacedatan
authorizedPorschedealerwithoutdelay.
Stopimmediatelyinasuitableplace.
Donotcontinuedriving.Havethefault
remediedatanauthorizedPorschedealer.
Stopimmediatelyinasuitableplace.
Donotcontinuedriving.Havethefault
remediedatanauthorizedPorschedealer.
Havethefaultremediedatanauthorized
Porschedealer.
Controls,Instruments
95

Index
A
ABS(antilockbrakesystem)56,57
Acousticwarningsignal84
Airbagsystems44,45
-Switchingoffpassengerairbag42-45
Airdistribution106-109
Airfilter183
Airconditioningsystem106-109
Alarmsystem24,25,126
Alcantara192
Antenna126,186
Antifreeze169
Antilockbrakesystem(ABS)56,57
Ashtray110
Audiooperation124,125
Auto-buttonairconditioningsystem106,107
Automatic
-Anti-glaremirrors29
-Doorlocking20
-Headlightadjustment100
-Lockingretractor40
-Speedcontrol72,104,105
Averageconsumption83,88,89
Averagespeed83,88,89
B
Backrest
-Adjustment32-37
-Release32,33,37
Battery120,215-219
-Warninglight72
Beforedrivingoff12,13
Bloweradjustment106-109
Brakes52-57,174
-Fluid174,250
-FluidwarningIight174
-Lights225,231
-Pads14,55
-Rollerbraketester59,61
Breakinhints14
Bulbs
-Chart223
-Replacing222-235
c
Cabriolet140-149
Canholder.115
Capacities,overview250
Carcare185-193
Cartelephone.126
Carwashes186
Cassettetape
-Player125
-Holder117
Catalyticconverters180
Cautions168,196
Centrallocking21-23
-emergencyoperation22
Changingwheels209-211
Checkenginewarninglight81
Childrestraint
-Anchorages41
-System41-43
-Switchingoffpassengerairbag42-45
CigarettelighterIII
Circulatingairbutton107
Clock79
Clotheshook116
Clutchpedal52
Collapsiblesparewheel206,207,211
Compactdisc
-Changer120,125
-Holder117
-Player120,125
Compressorforcollapsiblesparewheel121
Convertibletop140-149
-Care187
-Indicatorlight143
Coolant76,77,169,170
-Level169,170
-Temperaturegauge76
-Warninglight76
Coolingsystem76,169,170
Cruisecontrol72,104,105
Cupholder115
Index
259