Replacing the discharge lamp

Note: The left and right discharge lamps can be checked using the final control diagnosis of the onboard power supply control unit.

Note: The illustrations show replacing the HID bulb on the right headlight.

Note: The replacement of the left and right gas discharge lamps is carried out in the same way.

Removing

Switch off the ignition and all electrical consumers and turn the key to position 0 (pre-stop).

Remove headlight.



Press the wire clip 1 in the direction of the arrow to the side (pic. 7.73).



Remove cover 1 with headlight power module 2 in the direction of the arrow from the headlight, as far as the length of the wires allows (pic. 7.74).

Note: Headlight power module 2 does not need to be unscrewed from cover 1.

Unlock plug connectors and remove plugs (pic. 7.75).

Attention: The pressure inside the gas discharge lamp is between 7 (cold) up to 100 bar (heated). The temperature near the heated discharge lamp reaches 700°C.

Caution: The discharge lamp may explode and there is a risk of burns.

Caution: Be sure to wear safety goggles and gloves when removing and installing the lamp.

Disconnect plug 1 from discharge lamp 2 (pic. 7.76).

Unlock wire clip 1 and fold it to the side.




Carefully remove the gas discharge lamp 2 from the holder (pic. 7.77).

Installation

Installation is carried out in the reverse order, paying attention to the following.

Note: When installing a gas discharge lamp, do not touch its glass bulb. Fingerprints leave greasy prints on the lamp glass, which evaporate after switching on the headlights, and the light of the lamp may dim.

Note: Never subject the glass bulb of a discharge lamp to mechanical stress. The glass bulb is very sensitive and, in addition, is under high pressure.

Note: Try not to look directly into the focused light beam, as the UV radiation of a gas discharge lamp is about 2.5 times that of a conventional halogen light.

When installing the holder with headlight power module, pay attention to the correct seating of the seal. Water entering the headlight leads to its destruction.

If a headlight with automatic leveling has been dismantled, then after installation it is necessary to carry out a basic adjustment of the headlights.

Insert the discharge lamp so that the locking tabs fit into the slots on the reflector.

Check the operation of the headlight, including all its functions.

Check headlight setting, adjust if necessary.