2004 PORSCHE 911 GT3 ECU

Installing
1. Insert headlight intoguide railsandpush fully
into thewing.
2. Push headlight tothe rear andatthe same
time turnthesocket wrench untilitpoints hor-
izontally tothe rear
C.

The headlight lockingdevicemustperceptibly
and audibly engage.
3. Check headlight forafirm seating, e.g.bypull-
ing itin the area ofthe fog light.
4. Insert rubber plugintotheunlocking opening
and secure thecarpeting.
Check thefunction ofall lights.

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PracticalTips,Emergency Service

Changing Bulbinthe Side
Marker Light

1. Remove capinthe wheel housing linerwiththe
screwdriver.
2. Insert screwdriver intotheopening inthe wheel
housing lineratright angles tothe side marker
light housing.
By pressing withthescrewdriver, disengage
the securing springofthe side marker light
housing.

110
PracticalTips,Emergency Service 3.
Remove sidemarker lightandundo bulbholder
(bayonet lock),
4. Remove bulbfrom theholder andreplace.
Insert holder.
5. Insert thelight tabs (arrow A)into thewing at
the front.
Engage securing spring(arrow
B)
inthe wing.
6. Press capintothewheel housing liner.
Check operation ofthe light.

License PlateLights

Changing bulb

1. Undo bothscrews Aand remove light.
2. Push rubber covering back,remove defective
bulb from between thecontact springsand
replace.
3. Reassemble inreverse order.
Check operation ofthe light.
Practical Tips,Emergency Service
Luggage
Compartment Light,
Engine Compartment Light,
Footwell Lights

Changing bulb

1. With ascrewdriver (arrow),carefullypress
light outofthe cutout inthe lining.
2. Remove defective bulbfrom between thecon-
tact springs andreplace.
3. Insert thelight intothecutout firstfrom one
side then from theother. Check operation.
Door
Guard /Curb Light

Changing bulb

1. With ascrewdriver (arrow),carefully pushout
the light.
2. Pull bulb holder outoflight housing.
Remove defective bulbandreplace.
3. Install bulbholder andinsert light.

Raised BrakeLights

Changing bulb

1. Lever outright-hand segmentofthe lens with
the screwdriver blade
(arrow).

Practical Tips,Emergency Service 2.
Turn lockoflight housing counter-clockwise by
approx. 90°,andremove light. 3.
Disengage all6securing tabsofthe lamp
bracket
(arrow).

Remove lampbracket, takeoutdefective bulb
and replace.
4. Reassemble inreverse order.
Check operation ofthe light.

Towing
Certain statestatutes andlocal ordinances prohib-

it
towing withachain, ropeoreven atow bar.
In addition, damagetoyour vehicle mayresult
from improper procedures.
Consult yourauthorized Porschedealerforde-
tails.

Vehicle towing

Flat bed towing isthe preferred typeoftowing to
be used onPorsche vehicles.
Under certain circumstances, wheelliftsmay be
used when thevehicle willnotroll.

The vehicle mustbetowed withallfour
wheels offthe ground, otherwise damageto
the vehicle mayresult.

Towing eye

The towing eyeiscontained inthe tool kit.

A
Caution!
Risk ofdamage tothe vehicle.

'" Use thetowing eyeonly foranemergency to
remove thevehicle offthe road. Thetowing
eye isto be used onlytopull thevehicle onto
the flat bed, tractor ortowing aparatus ifthe
vehicle willrollfreely. Undernocircumstances
is the vehicle tobe secured usingthetowing
eye. '"
Never usethetowing eyetotow thisorany
other vehicle.

Front mounting

1. Carefully removetheplastic capbeside the
license platewithascrew driver.
2. Screw thetowing eyeintothehole.
Rear
mounting

1. Remove licenseplate.
2. Carefully removetheplastic capbetween the
bumpers withascrew driver.
3. Screw thetowing eyeintothehole.

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Practical Tips,Emergency Service
177

Pulling vehicle ontoflatbed

1. Position wooden rampsatthe base ofthe flat
bed toreduce theangle ofthe pull.
2. Reel inthe hoist cable andcheck theunderside
of the vehicle forany interference.
Practical Tips,Emergency Service
Tieing
downvehicle onflat bed

1. Carefully feedtowing strapsthrough theopen-
ing inthe
rear wheels.

Make suremetal partsofstraps donot dam-
age rim.
Make surethestrap isflat over therim bead.
Make surebrake backing plateisnot dam-
aged.
2. Secure strapstorear offlat bed.
3. Reel inhoist cable onlyfarenough totension
tie-down straps. 4.
Carefully feedtowing strapsthrough theopen-
ing inthe
front wheels.

Make suremetal partsofstraps donot dam-
age rim.
Make surethestrap isflat over therimbead.
Make surebrake backing plateisnot dam-
aged.
5. Secure strapstofront offlat bed.
6. Release tensiononhoist cable, butdonot dis-
connect.
Use hoist cable asasafety cable.

Tires,Rims,Tracks

Tire RimRimoffset
Track
Summer tires
front
235/40ZR18(91 Y)
8.5Jx 18 H2 40mm
58.6in/1488 mm
rear 295/30ZR18(98Y)
11Jx 18 H2
63mm 58.6in/1488 mm

Snow tires
front
225/40R18 92V M+S XL 8Jx 18 H2
50mm 57.8in/1468 mm
rear 265/35R18 97V M+S XL
*

10Jx18H2 65mm 58.4in/1484 mm
The load capacity coefficient (e.g."92") andmaximum speedcodeletter (e.g."V")areminimum requirements.

/i\
Warning!
Installation ofsizes notauthorized by
Porsche mayhave adangerous effecton
the driving stability andcould result in
severe personal injuryordeath.
I>
Before mounting newtires, check withyour
Porsche dealeraboutthecurrent release
status.

Tire andrimsizes
Extensive testsareperformed beforespecific tiresandwheels areapproved byPorsche. YourPorsche dealerhasinfor-
mation aboutapproved tiresandwheels andishappy toassist you.
If aftermarket tiresand/or wheels areinstalled whicharenotapproved byPorsche, thevehicle's roadability andhandling
characteristics mightbeimpaired. SincePorsche hasnodata onsuch combinations, Porschecannotstandbehind the
safety ordurability ofthese aftermarket combinations.

Snow chains
Canbemounted onlyonthe rear wheels;
maximum speed30mph/50 km/h.

Use only Porsche authorized fine-linkcross-type oredge chains.

Snow chain clearance canbeguaranteed onlyonthe tire
+
rim combination marked*.

Technical Data