2004 PORSCHE 911 GT3 ESP

Exercise ExtremeCautionwhen
Working onyour Vehicle

A
Warning!
Ignoring thefollowing instructions may
cause serious personal injury.

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The engine compartment ofany motor vehicle
is apotentially hazardous area.Ifyou arenot
fully familiar withproper repairprocedures, do
not attempt theadjustments describedonthe
following pages.
This caution appliestothe entire vehicle.

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Only work onyour vehicle outdoors orinawell
ventilated area.

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Ensure thatthere arenoopen flames inthe
area ofyour vehicle atany time when fuel
fumes mightbepresent. Beespecially cau-
tious ofsuch devices suchashot water heat-
ers which igniteaflame intermittently.

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Before working onany part inthe engine com-
partment, turntheengine offand letitcool
down sufficiently. Hotengine compartment
components canburn skinoncontact.

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Bealert andcautious aroundengineatall
times whiletheengine isrunning.
If work hastobe performed withtheengine
running, alwayssetthe parking brake,and
make suretheshift lever isin neutral position.

140
PracticalTips,Emergency Service
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Inparticular, bevery careful toensure that
items ofclothing (ties,shirt, sleeves etc.),jew-
elry, long hair,hand orfingers cannotget
caught inthe engine-compartment blower,fan,
belts orother moving parts.
The radiator andradiator fansareinthe front
of the car.
The fans canstart orcontinue runningasa
function oftemperature, evenwiththeengine
switched off.
Carry outwork inthese areasonlywith theen-
gine off,theignition switched off,and exercise
extreme caution.

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Your Porsche isequipped withanelectronic ig-
nition system. Whentheignition ison, high volt-
age ispresent inall wires connected withthe
ignition system; therefore, exerciseextreme
caution whenworking onany part ofthe engine
while theignition ison orthe engine isrunning.

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Always support yourcarwith safety stands ifit
is necessary towork under thecar.

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When working underthecarwithout safety
stands butwith thewheels onthe ground,
make surethecar ison level ground, the
wheels areblocked, andthat theengine
cannot bestarted.
Remove theignition key.
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Donot smoke orallow anopen flame around
the battery orfuel.
Keep afire extinguisher inclose reach.

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Incomplete orimproper servicingmaycause
problems inthe operation ofthe car. Ifin doubt
about anyservicing, haveitdone byyour au-
thorized Porschedealer.
Improper maintenance duringthewarranty pe-
riod may affect yourPorsche warranty cover·
age.

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Supplies offluids, e.g.engine oil,brake fluidor
coolant, arehazardous toyour health.
Keep these fluidsoutofchildren's reachand
dispose ofthem inaccordance withtheappro-
priate regulations.

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Some countries requireadditional toolsand
special sparepartstobe carried.
Please makeenquiries beforedriving abroad.

Temperature A,8,C

The temperature gradesareA(the highest), Band
C, representing thetire's resistance tothe gener-
ation ofheat anditsability todissipate heatwhen
tested undercontrolled conditions onaspecified
indoor laboratory testwheel.
Sustained hightemperatures cancause themate-
rial ofthe tire todegenerate andreduce tirelife,
and excessive temperature canlead tosudden
tire failure.
The grade Ccorresponds toalevel ofperfor-
mance whichallpassenger cartires must meet
under theFederal MotorVehicle SafetyStandard

No. 109.

Grades Band Arepresent higherlevelsofperfor-
mance onthe laboratory testwheel thanthemini-
mum required bylaw.

A
Warning!

The temperature gradeforthis tireisestablished
for atire that isproperly inflatedandnotoverload-

ed.

Excessive speed,underinflation, orexcessive
loading, eitherseparately orincombination, can
cause heatbuildup andpossible tirefailure.
Tire
pressures

A
Warning!
Incorrect tirepressure causesincreased tire
wear andadversely affectsroadhandling.

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Always useanaccurate tirepressure gauge
when checking inflationpressures.

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Donot exceed themaximum tirepressure list-
ed onthe tire sidewall.
Please observe thechapter "VEHICLE IDENTI-
FICATION, TECHNICAL DATA"onPage 179.

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Cold tireinflation pressure means:alltires
must becold, ambient temperature maximum
68°F (20°C), whenadjusting theinflation pres-
sure.
Avoid sunlight strikingthetires before measur-
ing cold pressures, sincethepressures would
rise from temperature influence.

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Valve capsprotect thevalve fromdustand
dirt, andthus from leakage.
Always screwcapstightly down.
Replace missingcapsimmediately.

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Donot use commercially availablesealantor
tire inflating bottles.
Tire
traction

A
Warning!
When driving onwet orslushy roads,a
wedge ofwater maybuild upbetween the
tires andtheroad. Thisphenomenon is
known as"hydroplane" andmay cause par-
tial orcomplete lossoftraction, vehicle
control orstopping ability.
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Reduce speedonwet surface toprevent this.

Tire life

Tire lifedepends onvarious factors, i.e., road
surfaces, trafficandweather conditions, driving
habits, typeoftires andtirecare.

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Inspect yourtires forwear anddamage before
driving off.Ifyou notice uneven orsubstantial
wear, wheels mightneedalignment ortires
should bebalanced orreplaced.
Practical Tips,Emergency Service

Tiredamage, puncture

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Check tiresforimbedded material,cuts,punc-
tures, cracks andbulges (sidewall)before
driving off.
In case oftire damage, whereitis uncertain
whether thereisabreak inthe plywith allits con-
sequences ortire damage causedbythermal or
mechanical overloading duetoloss ofpressure or
any other priordamage, werecommend thatthe
tire bereplaced forsafety reasons.
If one faulty tireisreplaced itshould benoted that
the difference intread depth onone axle must not
exceed 30
%.

Handling inconsistencies mayresult.

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Perform avisual inspection ifnecessary.
Tire replacements
If in doubt, contact yourPorsche dealeror
Porsche Importer ofyour country.
Use only tiremakes andtypes tested byPorsche.

If you donot use aPorsche recommended
replacement tire,make surethatyou
purchase yournewtires from areputable
tire dealer andthat thedealer complies with
all manufacturers warningsforthose tires.
Only tires withthesame make andwith the
same specification code(e.g."NO", "Nl"... )
can bemounted. Before
mounting newtires, check withyour
Porsche dealeraboutthecurrent release
status.
Use tires with"ZR" quality standards.
There
are currently nostandards concerning tire
strength atspeeds above150mph (240 kmjh).
Tires should bereplaced noless than onone axle
at the time.
Only tires ofthe same makeandtype must be
used. Mixed tiresarenotpermissible.
Initially, newtires donot have theirfulltraction.
You should therefore driveatmoderate speeds
during thefirst 60-120 miles (100-200 km).
If new tires areinstalled onlyonone axle, anotice-
able change inhandling occursduetothe different
tread depth ofthe other tires.
This happens especially ifonly reartires arere-
placed. However, thiscondition disappears asthe
new tires arebroken in.

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Please adjustyourdriving styleaccordingly.
Installation ofnew tires should onlybedone bya
qualified tiretechnician.
Valves

Rubber valvestems mustbereplaced everytime
a tire isreplaced.
For metal valves, theinstallation andreplacement
instructions mustbeobserved.
Use only genuine Porsche metalvalves.
Parking atthe curb

/!\
Warning!
Hard impacts againstcurbs(ortraffic
islands) aredangerous andmay cause hid-
den tiredamage whichisnot noticeable until
later. Suchdamage canresult inaccidents
at high speeds causing severepersonal inju-

ry.

Depending onthe force ofimpact, theedge
of the rim can also bedamaged.

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Ifyou areindoubt, havethewheel checked by
an expert, particularly ifyou suspect damage
on the inside.

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Ifyou must driveoveracurb orother obstacle,
drive slowly andatan obtuse angle.Exercise
care when parking alongcurbs.
Practical Tips,Emergency Service

Wheelalignment, wheelbalancing

As aprecaution, havewheels withsummer tires
balanced
in
the spring, andthose withmud and
snow tiresbefore winter.
Unbalanced wheelsmayaffect carhandling and
tire life.
Only thespecified weightsmaybeused forwheel
balancing. Self-adhesive weightsmustnotcome intocontact
with cleaning agents,sincetheycould dropoff.
A wheel should always bebalanced afteratire re-
pair.
Uneven treadwearindicates wheelimbalance. In
this event, thevehicle shouldbechecked atan au-
thorized Porschedealer.

/!\.
Warning!
If, during ajourney, unevenrunning orvibra-
tions occur thatcould becaused bydamage
to tires orthe car, thespeed mustbere-
duced immediately, butwithout braking
sharply.
If you continue yourtripwithout havingthe
cause ofthe fault remedied, youmight lose
control ofyour vehicle whichcouldcause se-
vere personal injury.

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Stop thevehicle andcheck thetires.

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Ifno cause forthe fault canbefound, drive
carefully tothe nearest authorized Porsche
dealer.
Practical Tips,Emergency Service
Removing
andstoring tires

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After changing, adjusttirepressure andtorque
wheel boltsdiagonally to94 ftlb (130 Nm).
Please observe thechapter "CHANGING A
WHEEL" onPage 150.

Tires mustalways remain onthe same side
of the vehicle.

When wheels areremoved, thedirection ofrota-
tion andposition ofeach wheel should bemarked.

Example

FR (front right), FL,RRand RL.
Wheels mustalways befitted inaccordance with
their marking.
The preception thattiredurability andperfor-
mance areimmune tothe effects ofstorage and
age isunfounded.
Chemical additives, whichmaketherubber elas-
tic, lose their effectiveness inthe course oftime
and therubber becomes brittleandcracks.

Therefore, thetires should beinspected
from timetotime. Note

Under nocircumstances shouldtiresolder than6
years beused onyour Porsche.
The ageofthe tire can beobtained fromthe"DOT"
code number. If,for example, thelast four num-
bers read 1203, thenthetire was produced inthe
12th week of2003.

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Store tiresinacool anddryplace.

Snow tires

For abetter griponsnow andice,useradial M+S
tires withstuds.
Check withyour local Motor Vehicle Bureaufor
possible restrictions.

/!\.
Warning!
Risk ofloss ofcontrol anddamage tothe
vehicle aswell assevere personal injury.
The standard tiresprofile andrubber mix-
ture areoptimized forwet and drydriving
conditions, andmay notprove favorable for
snow conditions.

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Therefore installM+Stiresbefore driving in
such conditions.

Screwinassembly aid
for
vehicles
without
Porsche

Ceramic
Composite Brake

3. Slightly slacken thewheel boltsofthe wheel to
be changed.
4. Raise thecar until thewheel liftsoffthe
ground. Please observe thechapter "LIFTING THEVE-
HICLE WITHALIFTING PLATFORM ORGARAGE
LIFT" onPage 148.
Screw
in
two
assembly aids
for
vehicles
with
Porsche
Ceramic Composite Brake

5. Remove 1or 2wheel bolts(seerespective
illustration). Removeassembly aidsfrom tool
kit and screw ininstead ofthe wheel bolts.
Remove theremaining wheelbolts.
6. Take thewheel offand putanew wheelan. 7.
Please observe thechapter "WHEEL BOLTS"
on Page 150.
Screw inwheel bolts;remove assembly aids
and screw inthe remaining wheelbolts.Initially
tighten boltsindiagonally oppositesequence
so that thewheel iscentered.
8. Lower thecar completely.
9. Tighten wheelboltsindiagonally opposite
sequence.

Immediately afterchanging awheel, usea
torque wrench tocheck theprescribed
tightening torque(130Nm/96 ftlb.).
Note

The tools required forchanging awheel (e.g.jack,
wheel boltwrench) arenotsupplied withthecar.
Practical Tips,Emergency Service
1

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.
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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

Weights
Empty weight (depending onequipment)
Maximum grossweight
Maximum axleload, front-
Maximum axleload, rear-
Maximum usefulload,RoofTransport System-- 3042
Ibs.to3152 Ibs.
1380 kgto 1430 kg
3659 Ibs./1660 kg
1565 Ibs./71 0kg
2226 Ibs./1010 kg
165 Ibs./75 kg
The maximum grossweight mustnotbeexceeded.

Note:
Ifadditional accessories areinstalled, theuseful loadwillbecorrespondingly less.
Use only Original Porsche RoofTransport System.

Dimensions

Length
Width Height
Wheelbase Ground clearance
Turning circle
Overhang anglefront
Overhang anglerear
Ramp angle
Technical Data 175.98
in./4470
mm

69.7 in./1770
mm

50.2 in./1275
mm

92.7 in./2355
mm

2.9 in.j75
mm

34.8 ft./10.6 m

7.0
0

13.0
0

10S

J

Jumper cables "145,160

K

Keys 19,20

L

Leather care 135
License platelight.. 82,172
Lids 99
Emergency unlocking 154
Light
Flasher 61,82, 83
Low beam 82,83
Switch 82,83
Light sensor forinstrument illumination 54,56
Load switch-off 152
Locking "22
Conditions 23
Luggage carrier 186
Luggage compartment.. 100,172
Lid 98
Lid warning light 54,56,98

M

Maintenance 112
Make-up mirror 103
Maximum permitted enginespeeds 16
Mirrors 28
Monitoring 24

192
Index
N

Notes on
Car care "130
Maintenance 112
Number platelight "82,172

o

Octane rating 122,123
Odometer 59
Oil 114,185
Consumption 16
Dipstick 116
Level checks
ll,
115
Level gauge
II

Pressure gauge 54,56,65
Pressure warninglight.. 54,56,65
On-board computer 54,56,67
Basic setting 68,73
Language selection 73
On-board literature 2
Orientation light 46
Outside-temperature display 68

p

Paint Care 130
Data 180
Parking
Brake 40,41
Brake warning light... 54,56
Light 82,168, 171
Particle filter 128Passenger
airbag,switching off 37
Passenger compartment monitoring,infrared..24
Plastic parts 134
Platform lift. 148
Power measurements 112
Power steering fluidlevel 127,185
Power windows 21,26,27
Practical tips 140

R

Radiator fan 53,114
Radio reception 105
Rear foglight... 82,
III

Rear spoiler 104
Rear viewmirrors 28
Rear window defogger 29
Relays 152
Remote control 20
Replacement key 19
Replacing bulbs 162
Replacing wiperblades 129
Roof Transport System 108,186
Running in 16

S

Safety belts 32,136
Warning light... 54,56
Safety compliance sticker 181
Seals 134
Side marker light... 82,170,
III

Side member panels 104
Snow chains 147
Snow tires 146