2008 Alfa Romeo 166 Owner handbook (in English)

176
– Fit the new bulb in the headlight re-
flector making the notches coincide with
the corresponding grooves.
– Lock the bulb with the clip.
– Fit the connector to the bulb.
– Refit the cover and lock it by turning
it clockwise.
– Refit the light unit connector.IMPORTANT The screw (E- fig.
50) serves to adjust the beam of the
foglights.
To adjust the front fog-
lights contact Alfa
Romeo Authorized Ser-
vices.
The efficiency of the
lights will be decreased
and may inconvenience other road
users if the light units are not cor-
rectly adjusted. If in doubt contact
Alfa Romeo Authorized Services to
have them checked and adjusted if
necessary.
WARNING
A0D0083m
fig. 51
A0D0084m
fig. 52

177
SIDE DIRECTION INDICATORS
To replace a bulb (Type A, 5W amber):
– Push the transparent cover (fig. 53)
towards the rear of the car to compress
the tab (A-fig. 54). Release the catch
(B) and remove the unit.
– Turn the bulb holder (C-fig. 55)
counter-clockwise and remove it from the
transparent cover (D).– Withdraw the bulb (E) which is of the
pressure-fitted type and replace it.
– Insert the bulb-holder (C) in the
transparent cover (D).
Refit the unit firstly inserting the catch
(B-fig. 54) on the front part and then
pressing the rear part until the catch (A)
clicks into place.Take care not to dam-
age the bodywork or
the transparent cover
when removing the side direction
indicator unit.
P4C00057470PGSm472PGSm
fig. 53
471PGSm
fig. 54 fig. 55

178
– Lower the lid (A-fig. 56) of the
boot trim corresponding with the light
concerned and remove the bulb holder
unit (B-fig. 57) releasing the retainer
catch (C).
– Remove and replace the bulb con-
cerned (spherical with bayonet coupling)
pushing gently and turning counter-clock-
wise (fig. 58):
(D) Reversing light bulb
(E) Rear fog guard bulb
(F) Sidelight bulb.GUARDS AND SIDELIGHTS
To replace the bulbs (Type B, 21W re-
versing light and rear fog guard, 5W side-
light):
– Open the boot.– Re-insert the bulb holder unit fasten-
ing it correctly in place using the retainer
catches (C-fig. 57).
– Shut the trim lid.
P4C00057611PGSm
fig. 56
606PGSm
fig. 57 fig. 58
607PGSm

179
DIRECTION INDICATORS AND
SIDE LIGHTS/STOP LIGHTS
(fig. 59)
WARNING The rear direction indica-
tors comprise leds integrated in the light
unit: should they fail to operate, contact
Authorized Alfa Romeo Services.
To replace the bulb (Type B, sidelight
5W/stop light 21W):
– Open the boot
– Remove the bulb holder (A-
fig. 59) turning counter-clockwise.
– Remove and replace the bulb (B)
(spherical type with bayonet coupling)
pushing gently and turning counter-clock-
wise.– Re-insert the bulb holder unit correctly
in place and fasten turning clockwise.
NUMBER PLATE LIGHTS
(fig. 60-61-62)
To replace the bulbs (Type A, 5W):
– Withdraw the number plate light unit
releasing the catch (A-fig. 60) using a
flat screwdriver protected with a soft
cloth.
– Withdraw the unit (B-fig. 61).
– Withdraw the bulb holder (C-
fig. 62) turning gently and replace the
bulb (D) which is snap-fitted.
– Refit the bulb holder (C-fig. 62)
and the complete unit (B-fig. 61).
481PGSm
fig. 60
482PGSm
fig. 61
483PGSm
fig. 62
480PGSm
fig. 59

180
ADDITIONAL STOP LIGHT
(3rdSTOP)
To replace the bulbs (Type A, 2.3 W):
– Remove the rubber caps (A-
fig. 63).– Slacken the two screws fastening the
light unit (B-fig. 64) and remove it re-
leasing the two catches (C).
– Disconnect the connector (D-
fig. 64) of the light unit.
– Slacken the two screws (E-fig. 65)
and separate the light unit from the cov-
er.– Slacken the four screws (F-fig. 66)
fastening the transparent cover.
– Remove the transparent cover (G-
fig. 67) and replace the bulb concerned
– Refit the transparent cover locking it
with the screws (F-fig. 66).
– Refit the cover on the light unit and
fasten it with the screws (E-fig. 65).
– Connect the connector (D-fig. 64).
– Re-position the unit correctly firstly in-
serting the two catches (C-fig. 64) and
then tightening the fastening screws.
– Refit the protective caps (A-
fig. 63).
485PGSm488PGSm
fig. 64 fig. 66 fig. 67
484PGSm
fig. 63
486PGSm
fig. 65
487PGSm

181
IF ONE OF THE
INTERNAL LIGHTS
GOES OUT
FRONT ROOF LIGHT
To replace the bulbs (Type B, 10W Halo-
gen):
– Remove the roof light (A-fig. 68)
levering in the point illustrated.
– Remove the screen (B-fig. 69)
firstly releasing it from the catch (C) on
the right and then from the two stoppers
on the left.
– Remove and replace the bulb con-
cerned (D-fig. 70) (tubular with bayo-
net coupling), pushing gently and turning
counter-clockwise.When refitting the roof
light ensure that the
electrical wiring is cor-
rectly arranged and does not in-
terfere with the edges of the
light or retaining clips.
– Refit the screen (B-fig. 69), firstly
inserting the left side under the two stop-
pers then on the right side until the catch
clicks. (C-fig. 69).
– Refit the roof light firstly inserting the
front part, then pressing in the rear part
to fit it in place.
631PGSm632PGSm
fig. 69 fig. 68 fig. 70
607PGSm

182
– Remove and replace the bulb (B-fig.
72) (tubular with bayonet coupling)
pushing gently and turning counter-clock-
wise.
– Refit the roof light firstly hooking the
catch (C-fig. 72) and pressing on the
other side until the catch clicks into place
(D-fig. 72).COURTESY LIGHTS
To replace the bulb (Type C, 5W):
– Remove the light (A-fig. 73) lever-
ing in the point illustrated.
REAR ROOF LIGHTS
To replace the bulbs (Type B, 5W):
– Remove the roof light (A-fig. 71)
levering in the point illustrated.
fig. 73fig. 71
492PGSm494PGSm493PGSm
fig. 72

183
GLOVEBOX LIGHT
To replace the bulb (Type A, 5W):
– Remove the light pushing with a
screwdriver on the tab (A-fig. 76)
– Press the sides of the bulb screen (B-
fig. 77) in correspondence with the two
fastening pins and turn it. – Remove the screen (B-fig. 74) re-
leasing it from the catches (C-fig. 74)
– Remove the bulb (D-fig. 75)
pulling outwards and releasing from the
side contacts.
– Insert the new bulb making sure that
it is positioned correctly and locked be-
tween the contacts.
– Refit the screen (B-fig. 74) insert-
ing it correctly between the catches (C-
fig. 74).– Refit the light unit firstly inserting
from the side (E-fig. 75) and then
pressing on the other side until the catch
clicks into place (F-fig. 75).
P4C00057495PGSm
fig. 74
496PGSm
fig. 75
630PGSm
fig. 76