Peugeot 405 Manual

Bulbs (exterior lights) - renewal
Body electrical system / Bulbs (exterior lights) - renewal


1 Whenever a bulb is renewed, note the following points.

a) Disconnect the battery negative lead before starting work.

b) Remember that, if the light has just been in use, the bulb may be extremely hot.

c) Always check the bulb contacts and holder, ensuring that there is clean metalto metal contact between the bulb and its live(s) and earth. Clean off any corrosion or dirt before fitting a new bulb.

d) Wherever bayonet-type bulbs are fitted (see Specifications), ensure that the live contact(s) bear firmly against the bulb contact.

e) Always ensure the new bulb is of the correct rating, and that it is completely clean before fitting it; this applies particularly to headlight/foglight bulbs (see below).

Headlight
2 Working in the engine compartment, release the clip securing the cover to the rear of the headlight unit. Withdraw the cover (see illustration).

5.2 Headlight rear cover securing clip (arrowed)
5.2 Headlight rear cover securing clip (arrowed)

3 Disconnect the wiring plug from the rear of the headlight bulb.

4 Release the spring clip securing the bulb in the light unit, then withdraw the bulb (see illustrations).

5.4a Release the spring clip (arrowed) . . .
5.4a Release the spring clip (arrowed) . . .

5.4b . . . then withdraw the headlight bulb
5.4b . . . then withdraw the headlight bulb

5 When handling the new bulb, use a tissue or clean cloth, to avoid touching the glass with the fingers; moisture and grease from the skin can cause blackening and rapid failure of this type of bulb. If the glass is accidentally touched, wipe it clean using methylated spirit.

6 Install the new bulb, ensuring that it locates correctly in the light unit. Secure the bulb in position with the spring clip, and reconnect the wiring plug.

7 Refit the cover to the rear of the light unit, and secure with the clip.

Front sidelight
8 The sidelight bulb is located in the rear of the headlight housing.

9 Working in the engine compartment, release the clip securing the cover to the rear of the headlight unit.

10 On models up to 1992, pull the bulbholder from the rear of the headlight unit. On models from 1993, it will be necessary to twist the bulbholder through a quarter turn before it can be removed (see illustration).

5.10 Pull out the sidelight bulbholder . . .
5.10 Pull out the sidelight bulbholder . . .

11 The bulb is a push-fit in the bulbholder (see illustration).

5.11 . . . and withdraw the bulb
5.11 . . . and withdraw the bulb

12 Refitting is the reverse of the removal procedure, ensuring that the bulbholder seal is in good condition.

Front direction indicator 13 Working in the engine compartment, unhook the indicator light unit retaining spring from the lug behind the light (see illustration).

5.13 Front direction indicator light retaining spring (arrowed)
5.13 Front direction indicator light retaining spring (arrowed)

14 Pull the light forwards from the wing panel.

15 Twist the bulbholder anti-clockwise to release it from the light unit (see illustration).

5.15 Withdrawing the bulbholder from the front direction indicator light
5.15 Withdrawing the bulbholder from the front direction indicator light

16 The bulb is a bayonet-fit in the bulbholder.

17 Refitting is a reversal of removal, but ensure that the light unit retaining spring is correctly engaged.

Front direction
indicator side repeater
18 Twist the light unit a quarter-turn anticlockwise, and carefully pull the unit from the wing panel, taking care not to damage the paint.

19 Twist the bulbholder anti-clockwise, and remove it from the light unit.

20 The bulb is a bayonet-fit in the bulbholder (see illustration).

5.20 Removing the bulbholder from the front direction indicator side repeater
5.20 Removing the bulbholder from the front direction indicator side repeater light

21 Refitting is a reversal of the removal procedure.

Headlight-mounted
front driving light
22 On certain models, a driving light is mounted in the headlight unit. The light operates when the headlights are switched to main beam.

23 Proceed as described previously in this Section for the headlight bulb (see illustrations).

5.23a Headlight-mounted driving light bulb securing clip (arrowed)
5.23a Headlight-mounted driving light bulb securing clip (arrowed)

5.23b Removing a headlight-mounted driving light bulb
5.23b Removing a headlight-mounted driving light bulb

Front spoiler-mounted driving light/foglight
Note: Some models are fitted with front foglights which have no securing screws visible from the front of the lens. At the time of writing, no information was available for this type of foglight.

24 Two alternative types of light assembly may be fitted, depending on model. On some models, access to the bulb can be obtained from the behind the spoiler. On other models, the light unit must be removed for access to the bulb.

25 On models where the light unit can be reached from behind the spoiler, reach up behind the spoiler and disconnect the wiring from the light. Prise the rubber cover from the light, then release the spring clip and withdraw the bulb.

26 On models where the rear of the light unit is covered by the spoiler, remove the two securing screws from the front of the light unit and withdraw the reflector/lens assembly.

Disconnect the wiring from the bulb, then release the spring clip and withdraw the bulb.

27 When handling the new bulb, use a tissue or clean cloth, to avoid touching the glass with the fingers; moisture and grease from the skin can cause blackening and rapid failure of this type of bulb. If the glass is accidentally touched, wipe it clean using methylated spirit.

28 Refitting is the reverse of the removal procedure, ensuring that the bulb locates correctly in its housing.

Rear light cluster
Saloon models
29 Open the boot lid.

30 Squeeze the two retaining clips, and withdraw the bulbholder from the rear of the light unit (see illustration).

5.30 Removing a rear light cluster bulbholder - Saloon model
5.30 Removing a rear light cluster bulbholder - Saloon model

31 The bulbs are a bayonet-fit in the bulbholder (see illustration).

5.31 The bulbs are a bayonet-fit in the bulbholder
5.31 The bulbs are a bayonet-fit in the bulbholder

32 Fit the new bulb using a reversal of the removal procedure.

Estate models
33 The stop/tail lights and the direction indicator lights are located in the rear wing panels. The remaining rear lights are located in the tailgate.

34 Open the tailgate.

35 Turn the retaining clip and open the light unit cover flap.

36 Squeeze the two retaining clips, and withdraw the bulbholder from the rear of the light unit (see illustrations).

5.36a Removing a rear wing-mounted light bulbholder - Estate model
5.36a Removing a rear wing-mounted light bulbholder - Estate model

5.36b Removing a tailgate-mounted light bulbholder - Estate model
5.36b Removing a tailgate-mounted light bulbholder - Estate model

37 The bulbs are a bayonet-fit in the bulbholder.

38 Fit the new bulb using a reversal of the removal procedure.

Number plate light
Saloon models
39 Prise the lens from the underside of the bumper for access to the bulb (see illustration).

5.39 Prise the lens from the bumper . . .
5.39 Prise the lens from the bumper . . .

40 The bulb is a bayonet-fit in the bulbholder (see illustration).

5.40 . . . and withdraw the number plate light bulb - Saloon model
5.40 . . . and withdraw the number plate light bulb - Saloon model

41 Fit the new bulb using a reversal of the removal procedure.

Estate models
42 Carefully prise the light unit from the tailgate (see illustration).

5.42 Prise out the number plate light unit . . .
5.42 Prise out the number plate light unit . . .

43 Unclip the bulbholder from the lens assembly (see illustration).

5.43 . . . and unclip the bulbholder from the lens - Estate model
5.43 . . . and unclip the bulbholder from the lens - Estate model

44 The bulb is a bayonet-fit in the bulbholder.

45 Fit the new bulb using a reversal of the removal procedure.


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