2004 PORSCHE 911 GT3 light

Adjusting Headlights

c>
Please observe thechapter "LIGHTS, REPLAC-
ING BULBS" onPage 162.
Adjustment
The adjustment ismade withthevehicle readyto
drive andthefuel tank completely filled.
The driver's seatmust beloaded byaperson ora
165 Ibs.(75kg)weight andthetire pressures
must meet theprescribed values.
After being loaded, thecarmust berolled afew
meters sothat thesuspension cansettle. For
checking theheadlight adjustment, theverti-
cal position ofthe cutoff ofthe lowbeam (seefig.)
has tobe projected onavertical screen(wall)in
distance of7.5 mfrom thefront lensofthe head-
lamp.
The correct position ofthe cutoff is5cm at7.5 m
(0.4°) below ahorizontal line,xcm from ground to
the center ofthe headlamp lens. Lateral
adjustment ofthe headlights shouldbe
carried outataspecialist workshop withanoptical
adjustment unit.

Distance

Visual aimshall beperformed atnot less than
7.5 m(this value isarounded downconversion
from the25-foot distance typicaloffield aimusing
a screen). The7.5mdistance ismeasured from
the headlamp lenstothe viewing screen.

c> c>c>

Practical Tips,Emergency Service
175

Floor

The surface uponwhich thevehicle restsisflat
and approximately level.

Screen

The screen uponwhich headlamp beams arepro-
jected isperpendicular tothe floor andthevehi-
cle's longitudinal axis,flat,uniformly lightincolor,
unobstructed, andwide andhigh enough toac-
commodate thevehicle beampatterns tobe
aimed.
The screen shouldbewide enough toprovide at
least 1m of space outboard ofthe vehicle's head-
lamp spacing.

176
PracticalTips,Emergency Service
Adjustment
screws
t>
Detach sidecarpeting inluggage compart-
ment.
Therefore unscrewplasticnut
A.

Open thecover ofthe appropriate adjustment
screw.
The setting isadjusted byturning thehexagon
socket screws rightorleft, asappropriate.
B

-Headlight verticaladjustment

C -
Fog light height adjustment

Vertical adjustment (screwB)
t>
turn clockwise
=
beam moves down
turn counter-clockwise
=
beam moves up

Note
t>
Donot alter thelateral adjustment.

Fog light adjustment

The foglight adjustment Cshould onlybedone at
a specialist workshop withanoptical adjustment
unit.

CapacitiesUse only fluids andfuels authorized byPorsche. Yourauthorized Porschedealerwillgladly advise you.

Your Porsche hasbeen designed sothat itis not necessary tomix anyadditives withoilsorfuels.
Engine
CoolantManual transmission
and differential
Fuel tank
Fuel quality
Power steering
Brake fluid
Windshield washer
Oil
change quantity withoutoilfilter approx. 9.3quarts/S.75 liters
Oil change quantity withoilfilter approx. 9.6quarts/9.0 liters
Reference indicationisthe level onthe oildipstick.
Please observe thechapter "ENGINE Oil"onPage 114.
approx. 7.39U.S.gallons/28 liters
3.5 quarts/3.3 literstransmission oilSAE 75W-90, Mobilube PTX
approx. 16.6U.S.gallons/63 liters
Your engine isdesigned toprovide optimum performance andfuel economy using

unleaded premiumfuelwith anoctane ratingof98 RON (93CLC orAKI).

Porsche therefore recommends theuse ofthese fuelsinyour vehicle.
Porsche alsorecognizes thatthese fuelsmaynotalways beavailable. Beassured thatyour vehicle
will operate properly onunleaded premiumfuelswithoctane numbers ofatleast
95RON (90CLC orAKI),

since theengine's "Electronic Oktane
™
knock control" willadapt theignition timing,ifnecessary.
approx. 1.35quarts/1.27 literhydraulic fluidPentosin CHF11S®
0.67 quarts/0.63 liters;useonly Original Porsche brakefluid.
approx. 3.19quarts/3 literswithout headlight washer
approx. 6.06quarts/5.7 literswithheadlight washer
TechnicalData

Index

A

ABS (antilock brakesystem) 44,45,54,56
Warning light 54,56
Acoustic warningsignal. 69
Aerodynamic components 9
Air compressor 100
Air conditioning system 90
Air distribution 88,90
Air filter 128
Airbag 38,39
Switching offpassenger airbag 36
Warning light 54,56
Alarm System 24,107
Alcantara 136
Antenna 107,131
Antifreeze 113
Antilock brakesystem (ABS) 44,45
Ashtray 94
Assembly aidsforwheel changes 150
Audio operation 105,106
Auto-button airconditioning system 90,91
Automatic
Airconditioning 90
Car washes 131
Door locking 21
Headlight adjustment... 82
Locking retractor 34
Speed control 54,56,58,86, 87
Average consumption 68
Average speed 68,72

190
Index
B

Backrest Adjustment 30
Release 30,31
Battery 100,155
Warning light.. 54,56,58
Before driving off 14,15
Belt tensioner 32
Belts 32,136
Warning light... 54,56
Blower adjustment 88,90, 93
Brakes 40,119
Distribution warninglight... 54,56
Fluid 119,185
Fluid level 54,56
Fluid warning light 119
Lights 165,171
Pad wear warning light 54,56
Pads 16,43
Parking brakewarning light... 54,56
Break inhints 16
Bulbs Chart 163
Replacing 162

C

Canholder 95
Capacities, overview 185
Car care 130
Car washes 131Cassette
tape
Holder 97
Player
l
06
Catalytic converters 125
Cautions 112,140
Central locking 22
emergency operation 23
Changing wheels 150
Check engine
Warning light.. 54,56,66
Child restraint
Anchorages ,35
Switching offpassenger airbag 37
Syste m 36
Cigarette lighter 94
Circulating airbutton 91
Circulating airsetting 89,91
Clock 54,56,64
Clothes hook 96
Clutch pedal .40
Compact disc
Changer 106
Holder 97
Player
l
06
Compartment monitoring 24
Compressor 91,92
Coolant 62,113
Level 113
Temperature gauge 62
Warning light 62
Cooling system 62,113

Temperaturgauge 54,56
Warning light 54,56
Cruise contro!. 58,86,87
Curb light 172
D
Dashboard 48
Defrosting windows 29,90, 91
Diagnostic socket 17,153
Diagrams 187
Dimensions 186
Door 21
Guard 172
Handles 21
Locks 21,132
Windows 21,26,27,133
Door mirror 28
Heating 29
Driving hints 14
Driving performance 182
E
Electrical system 152
Emergency flasher 81
Emergency operation
Central locking 23
Lids 154
Tank flap 121
Emergency service 140
Emergency startingwithjumper cables160,161
Emission controlsystem 7,66, 124, 125
Engine Checking oillevel 71,115 Dipstick
116
Exhaust 10
Number 180
Oil consumption 16,114
Oillevel 116
Oil level gauge 71
Oil pressure gauge 54,56,65
Oil pressure warninglight.. 54,56,65
Oils 114,185
Speeds 16,182
Starting 52
Stopping 53
Engine compartment
Blower 53,62
Lid 98,99
Lid warning light.. 54,56,98
Light 172

F

Fog lights 82,169, 171
F ootbrake 41
Footweillights 47
Fresh airintake 93
Front hood 99
Fuel 4,63, 121
Containers 10
Economy 120
Evaporation control 126
Level gauge 54,56,63
Level warning light 63
Recommendation 122,123
Tank 122
Warning light... 54,56
Fuses 153
G

Garage lift 148
Gearshifting 109
Glove compartment. 96
Gong 18,51, 69, 79
Ground clearance 9,186
H
Headlights 82,83,164
Adjusting 175,176
Cleaning system 84,126, 185
Heated rearwindow 29
Heating 88
High beam
Indicator light... 54,56,61
Lever 82
Hoods 98,99
Horn 17,22, 23

I

Identification number 100,180
Ignition lock 50
Immobilizer 19
Indicator lights 54
Infrared passenger compartment monitoring..24
Instrument panel 48
Instruments 54
Lights 59,82
Interior light 46,173
Interior mirror 28
Intermittent operationswitch 84
Index

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

Sparekey 19,20
Speed Control 58,86, 87
Gong 69
Speedometer 54,60
analogue display 56
digital display 54,56
Spoiler 104
Starting engine 52
Steering lock 50
Steering wheel
Adjustment 31
Lock 51
Stopping engine 53
Storage options 96,97
Storage tray 97
Storing yourPorsche 137
Sun visors 103

T
Tachometer 54,56,61
Taillight 171
Tank 121,122,185
Ventilation system 126
Technical data 182
Temperature setting 88,90
Theft protection 18
Tires 16,141,184
Pressure 5,143, 183
Pressure compressor 100
Repair kit.. 149
Tires andtirecare 141
Tool kit 100
Towing 177,178 Tracks
184
Transmission 109,183
Fluid 185
Thpwu~r ~
Trunk entrapment 101
Turn signals 61,83,168,171
Indicator lights 54,56

U

Undercoating 124,133

V

Valves 145
Vanity mirror 103
Vehicle Care 130
Data 180,181
Identification label 180
Identification number 100,180
Washing 131
Ventilation 88
Vents 93
Voltmeter 54,56,58

w

Warning lampsandmessages 75
Washer fluid 126,185
Level warning light 54,56
Washing 131
Weights 186
Wheel Bolts 19,150 Changing
149
Wheels 135,184
Windows 26,27, 133
Washer nozzles 84
Washer system 84,126, 185
Windshield wiper/washer lever 84
Windshield wipers 84,85,129
Replacing 129

Winter operation

Battery "157
Coolant. 113
Engine oil 114
Jumper cables 160,161
Locks 132
Seals 134
Snow chains 147
Tires 146,184
Washer fluid 126
Wiper blades 129
Wiper Blades 129
Interval 84,85
Index