2003 PORSCHE 911 CARRERA load capacity

Beforemountingsnowtires,consultwith
yourPorschedealer.Hehasthetechnical
informationnecessarytoadviseyouon
wheelandtirecompatibility.
Snowtiresshouldhavethesameloadcapacityas
originalequipmenttiresandshouldbemountedon
allfourwheels.
Snowtireswithstudsshouldberunatmoderate
speedswhennewinordertogivethestudstime
tosettle.
A
Warning!
Tireswithbadlyworntreadsandstudsare
verydangerousandcouldcauseaccidents
resultinginseverepersonalinjuries.
[>
Makesuretheyarereplacedimmediately.
Donotdriveavehicleequippedwithsnowtires
atprolongedhighspeed.
Snowtiresdonothavethesamedegreeoftrac-
tionondry,wetorsnowfreeroadsasanormal
tire.
Furthermore,snowtireswearrapidlyunder
theseconditions.
Snowtiresdonotfulfilltheirpurposeifthetread
depthislessthan
5/32
in(4mm).
Complywithallstateandlocallaws
governingsnowtireandtreaddepth
requirements.
Snowchains
ACaution!
Riskofdamagetobody,axleorbrake
components.
[>
Fitsnowchainsonlytotherearwheels,and
onlywiththetire/rimcombinationlistedinthe
TechnicalData.
Toensureadequateclearancebetweenchain
andbody,Porscherecommendsonlytheuse
offine-linkchainssuchasthoseapprovedby
Porsche.
[>
Followinstructionsissuedbythesupplierof
thechains.
Differentstatesandcountrieshavevaryingstatu-
toryrequirementsregardingmaximumspeed.
Checkwithlocalauthoritiesforpossiblerestric-
tions.
[>
Removechainsassoonastheroadsarefree
oficeandsnow.
Tiredesignations
Duetonewspeedandloadratingsforradial
tires,newdesignationshavecomeintoforcefor
snowtiresforyourPorsche.
ThedesignationtobeusedforZRtiresise.g.,

255/40
ZR17(Z
=
codeletterforradialtires
forspeedsabove150mph(240km/h).
PracticalTips,EmergencyService
203

A.Warning!
Hydrogengasgeneratedbythebattery
couldcauseanexplosion,resultingin
severepersonalinjuries.

I>Chargebatteryinawellventilatedarea.
I>Neverchargeafrozenbattery.Itmayexplode
becauseofgastrappedintheice.Allowa
frozenbatterytothawoutfirst.
I>Ifyougetelectrolyte,whichisanacid,inyour
eyesoronyourskin,immediatelyrinsewith
coldwaterforseveralminutesandcalladoc-
tor.
Slow
battery
charging
1.Payattentiontoallwarningsandfollowin-
structionsthatcomewithyourbattery
charger.
2.Whencharging,ensureadequateventilation.
3.Removebattery(see"Removingbattery").
4.Allventcapsshouldbeopen.
Thefluidlevelshouldmeettheindicatormark
ineachcell.
5.Ensurethatchargerisswitchedoff-danger
ofshortcircuit!
6.Connectchargercables.

Chargercablesmustbeconnected
POSITIVE1+)toPOSITIVE1+)and
NEGATIVE(-)toNEGATIVE
I-).
7.Switchoncharger.
Normally,abatteryshouldbechargedatno
morethan10percentofitsratedcapacity.
Ratedcapacityofthebatteryinyourvehicle
islistedonthebatteryhousing.
8.Aftercharging,turnoffchargeranddiscon-
nectchargercables.
9.Tightentheventcapsandreinstallbattery
(see"Installingbattery").

Winteroperation

Duringthewintermonths,batterycapacitytends
todecreaseastemperaturesdrop.
Additionally,morepowerisconsumedwhile
starting,andtheheadlights,heater,rearwindow
defogger,etc.,areusedmorefrequently.
I>LetyourPorschedealertestthebattery'sca-
pacitybeforewintersetsin.

Replacingbattery

Theservicelifeofthebatteryissubjecttonor-
malwear;itdependsgraetlyoncare,climatic
conditions,anddrivingconditions(distances,
loads).
I>OnlyuseanoriginalPorschebattery,withthe
correctpartnumber,asareplacement.
I>Pleaseobservethedisposalinstructionsfor
batteries.
I>I>I>
PracticalTips,EmergencyService
217

Tires,Rims,Tracks
911Carrera,Carrera
4
TireRimRimoffsetTrack
Summertires
front
205/50ZR177Jx17H250mm57.7
in./1465mm
rear
255/40ZR179Jx17H255mm59.1in./1500mm
orfront225/40ZR188Jx18H250mm57.7in./1465mm
52mm57.3in./1461
mm
rear
285/30ZR1810Jx18H265mm58.3in./1480
mm
orfront
225/40ZR188Jx18H250mm57.7in./1465
mm
rear
295/30ZR1811Jx18H263mm58.4in./1484mm
Snowtires
front
205/50R1789TM+S7Jx17H250mm57.7in./1465
mm
rear
*255/40R1794TM+S9Jx17H255mm59.1in./1500mm
or
front
225/40R1888HM+S7.5Jx18H250mm57.7in./1465mm
225/40R1888HM+S8Jx18H250mm57.7in./1465mm
52mm57.3in./1461
mm
rear
*265/35R1893HM+S10Jx18H265mm58.3in./1480
mm
Theloadcapacitycoefficient
(e.g."88")andmaximum
speedcodeletter(e.g."H")areminimumrequirements.
246TechnicalData

911Carrera
45
TireRim
Summertires
front
225/40ZR188Jx18H2

rear
295/30ZR1811Jx18H2
or
rear
295/30ZR1811Jx18H2
Snowtires
front
225/40R1888HM+S8Jx18H2

rear
*265/35R1893HM+S10Jx18H2
RimoffsetTrack
50mm57.9in./1472mm
45mm60.2in./1528mm
63mm(onlywith17mm
spacer
ring)
60.1in./1526mm
50mm
47mm
57.9in./1472mm
60.0in./1524mm
Theloadcapacitycoefficient(e.g."88")andmaximumspeedcodeletter(e.g."H")areminimumrequirements.

A
Warning!
Installationofsizesnotauthorizedby
Porschemayhaveadangerouseffecton
thedrivingstabilityandcouldresultin
severepersonalinjuryordeath.
[>

Beforemountingnewtires,checkwithyour
Porschedealeraboutthecurrentrelease
status.

[>[>[>
TechnicalData
247