ECU PORSCHE 911 CARRERA 2003 4.G Owner's Guide

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RaisedBrakeLights
Changingbulb
Beforeremovingthebrakelightintherear
spoiler,thelattermustfirstbemanuallyex-
tended.
Seethechapter"RetractableRearSpoiler".
1.Leveroutright-handsegmentofthelenswith
thescrewdriverblade(arrow).
2.Turnlockoflighthousingcounterclockwise
byapprox.90°,andremovelight.
3.Disengageall6securingtabs(arrow)ofthe
bulbholder
Removebulbholder,takeoutdefectivebulb
andreplace.
4.Reassembleinreverseorder.
Checkoperationofthelight.
PracticalTips,EmergencyService
235

AdjustingHeadlights

Seecautionon"ReplacingBulbs..
Adjustment

Theadjustmentismadewiththevehicleready
todriveandthefueltankcompletelyfilled.
Thedriver'sseatmustbeloadedbyapersonor
a165Ibs.(75kg)weightandthetirepressures
mustmeettheprescribedvalues.
Afterbeingloaded,thecarmustberolledafew
meterssothatthesuspensioncansettle.
236PracticalTips,EmergencyService
Forcheckingtheheadlightadjustment,theverti-
calpositionofthecutoffofthelowbeam(see
fig.)hastobeprojectedonaverticalscreen
(wall)indistanceof7.5mfromthefrontlensof
theheadlamp.
Thecorrectpositionofthecutoffis5cmat
7.5m(0.4°)belowahorizontalline,xcmfrom
groundtothecenteroftheheadlamplens.
Lateraladjustmentoftheheadlightsshouldbe
carriedoutataspecialistworkshopwithanopti-
caladjustmentunit.
Distance
Visualaimshallbeperformedatnotlessthan
7.5m(thisvalueisaroundeddownconversion
fromthe25-footdistancetypicaloffieldaim
usingascreen).The7.5mdistanceis
measuredfromtheheadlamplenstotheviewing
screen.

~Neverusethetowingeyetotowthisorany
othervehicle.
Certainstatestatutesandlocalordinancespro-
hibittowingwithachain,ropeorevenatow
bar.
Inaddition,damagetoyourvehiclemayresult
fromimproperprocedures.
ConsultyourauthorizedPorschedealerforde-
tails.
Vehicletowing
Flatbedtowingisthepreferredtypeoftowing
tobeusedonPorschevehicles.
Undercertaincircumstances,wheelliftsmaybe
usedwhenthevehiclewillnotroll.
Thevehicle
must
betowedwithallfour
wheelsofftheground,otherwisedamageto
thevehiclemayresult.
Towingeye
Thetowingeyeiscontainedinthetoolkit.
ACaution!
Riskofdamagetothevehicle.
~Usethetowingeyeonlyforanemergencyto
removethevehicleofftheroad.Thetowing
eyeistobeusedonlytopullthevehicleonto
theflatbed,tractorortowingaparatusifthe
vehiclewillrollfreely.Undernocircumstances
isthevehicletobesecuredusingthetowing
eye.
238PracticalTips,EmergencyService
Towing
Frontmounting
1.Carefullyremovetheplasticcapbesidethe
licenseplatewithascrewdriver.
2.Screwthetowingeyeintothehole.
Rearmounting
1.Removelicenseplate.
2.Carefullyremovetheplasticcapbetweenthe
bumperswithascrewdriver.
3.Screwthetowingeyeintothehole.

Pulling
vehicle
ontoflat
bed
1.Positionwoodenrampsatthebaseofthe
flatbedtoreducetheangleofthepull.
2.Reelinthehoistcableandchecktheunder-
sideofthevehicleforanyinterference.
Tieingdownvehicleonflatbed
1.Carefullyfeedtowingstrapsthroughthe
openingintherearwheels.
Makesuremetalpartsofstrapsdonotdam-
agerim.
Makesurethestrapisflatovertherimbead.
Makesurebrakebackingplateisnotdam-
aged.
2.Securestrapstorearofflatbed.
3.Reelinhoistcableonlyfarenoughtotension
tie-downstraps.
4.Carefullyfeedtowingstrapsthroughthe
openinginthefrontwheels.
Makesuremetalpartsofstrapsdonotdam-
agerim.
Makesurethestrapisflatovertherimbead.
Makesurebrakebackingplateisnotdam-
aged.
5.Securestrapstofrontofflatbed.
6.Releasetensiononhoistcable,butdonot
disconnect.
Usehoistcableasasafetycable.
PracticalTips,EmergencyService
239

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.
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Beforemountingnewtires,checkwithyour
Porschedealeraboutthecurrentrelease
status.

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TechnicalData
247