suspension PORSCHE 911 GT3 2004 5.G Owners Manual

Adjusting Headlights

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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.

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Practical Tips,Emergency Service
175