Audi A4 Owners Manual

Changing bulbs for headlights
Self-help / Fuses and bulbs / Changing bulbs for headlights

Removing and installing headlights

Audi A4: Changing bulbs for headlights. Trim panel: Attachment points are marked by arrows

Trim panel: Attachment points are marked by arrows

Audi A4: Changing bulbs for headlights. Headlight unit: Attachment points are marked by arrows

Headlight unit: Attachment points are marked by arrows

The description for removing the headlight refers to the left headlight; in principle the same procedure applies to the right headlight.

Removing

Switch off the ignition and the lights.
Open the bonnet.
Take the screwdriver and the interchangeable Torx socket out of the vehicle tool kit.
Remove the screws, fig. 288 that secure the trim panel to the lock carrier and detach the trim panel.
Slacken the two screws that secure the headlight to the lock carrier and the two screws at the underside of the headlight (the screws at the underside should not be slackened more than five turns), fig. 289.
Carefully pull the headlight forward about 60 mm.
Release and unplug the electrical connector.
Carefully take the headlight out towards the front (swivel it slightly if necessary).

Installing

Perform all of the above steps in reverse sequence.

The headlight must be inserted in two guides (on the underside of the headlight). This is the only way to ensure that the headlight is installed in the correct position. To determine whether the headlight is correctly installed, check that it is aligned flush with adjacent body parts (such as the wing panel).

Do not interchange the securing screws.

Audi A4: Changing bulbs for headlights. Please take particular care not to damage or scratch the adjacent parts of Caution

Please take particular care not to damage or scratch the adjacent parts of the body when removing or installing the headlights.

Removing bulb for main beam headlights

Audi A4: Changing bulbs for headlights. Headlight unit: Rubber cap is highlighted

Headlight unit: Rubber cap is highlighted

Audi A4: Changing bulbs for headlights. Bulb holder for main beam headlights

Bulb holder for main beam headlights

Remove the headlight.
Take off the rubber cap ⇒ fig. 290 ⇒Audi A4: Changing bulbs for headlights. in Changing bulbs on page 304. in Changing bulbs on page 304.
Press the connector in the direction of the arrow ⇒ fig. 291.
Remove the connector together with the bulb from the headlight housing.
Disconnect the connector from the base of the bulb ⇒ Audi A4: Changing bulbs for headlights. Installing the bulb for the main beam headlights in Changing bulbs on page 304.

Installing the bulb for the main beam headlights

When installing a bulb, the lug on the base of the bulb must be inserted into the appropriate mounting on the bulb housing.

Audi A4: Changing bulbs for headlights. Bulb with connector: The lug on the base of the bulb is highlighted

Bulb with connector: The lug on the base of the bulb is highlighted

Audi A4: Changing bulbs for headlights. Fitting bulb for main beam headlights

Fitting bulb for main beam headlights

Attach the new bulb to the connector ⇒Audi A4: Changing bulbs for headlights. in Changing bulbs on page 304. in Changing bulbs on page 304.
Insert the bulb carefully into the bulb housing. Start by placing the base of the bulb directly behind one of the retaining hooks so that the lug fits into the recess on the bulb housing.
Press the connector in the direction of the arrow ⇒ fig. 293 until the bulb engages.
Check that the bulb is securely seated in the bulb housing.
Fit the rubber cap and install the headlight.
Check whether the new bulb is working.
Have the headlight settings checked.

Audi A4: Changing bulbs for headlights. Ensure that the rubber cap is seated correctly so that no water can enter Note

Ensure that the rubber cap is seated correctly so that no water can enter the unit.

Removing bulb for dipped headlights

Audi A4: Changing bulbs for headlights. Headlight unit: Cover

Headlight unit: Cover

Audi A4: Changing bulbs for headlights. Bulb holder for dipped headlights

Bulb holder for dipped headlights

Remove the headlight.
Take off the cover, fig. 294 ⇒Audi A4: Changing bulbs for headlights. Changing bulbs on page 304. in Changing bulbs on page 304.
Press the connector in the direction of the arrow ⇒ fig. 295.
Remove the connector together with the bulb from the headlight housing.
Disconnect the connector from the base of the bulb ⇒Audi A4: Changing bulbs for headlights. in Changing bulbs on page 304. in Changing bulbs on page 304.

Installing bulb for dipped headlights

When installing a bulb, the lug on the base of the bulb must be inserted into the appropriate mounting on the bulb housing.

Audi A4: Changing bulbs for headlights. Bulb with connector: The lug on the base of the bulb is highlighted

Bulb with connector: The lug on the base of the bulb is highlighted

Audi A4: Changing bulbs for headlights. Inserting bulb for dipped headlights

Inserting bulb for dipped headlights

Attach the new bulb to the connector ⇒ Audi A4: Changing bulbs for headlights.  Insert the bulb carefully into the bulb housing. Start by placing the base of in Changing bulbs on page 304.
Insert the bulb carefully into the bulb housing. Start by placing the base of the bulb directly behind one of the retaining hooks so that the lug fits into the recess on the bulb housing.
Press the connector in the direction of the arrow, fig. 297 until the bulb engages.
Check that the bulb is securely seated in the bulb housing.
Fit the cover.
Install the headlight.
Check whether the new bulb is working.
Have the headlight settings checked.


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