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Headlight and Taillight Bulb Replacement
 

Pelican Technical Article:

Headlight and Taillight Bulb Replacement

Jared Fenton

Time:

2 hours2 hrs

Tab:

$5 to $100

Talent:

***

Applicable Models:

A6 2.7T (1997-04)
A6 2.8 (1997-02)
A6 3.0L (2002-04)
S6 4.2 (1997-04)

Parts Required:

Light Bulbs

Hot Tip:

Don't touch the glass of the high and low beam bulbs

Performance Gain:

Better lighting at night.

Complementary Modification:

Replace headlight and taillight lenses

Eventually, you'll need to replace the light bulbs on your C5 Audi A6. Replacement of the light bulbs is not an overly complex job, but there are a few unique ways in which the light bulbs are mounted within the car. In this article, I'll go over the steps required to replace the headlight and taillight bulbs on your C5 Audi A6. Note that this article does not cover the replacement of the front fog lamps as our project car was not equipped with them.

Keep in mind that you will have to remove the headlight assemblies on your Audi A6 to access the front headlight bulbs. See our article on Headlight Assembly Replacement for more information. I've been told it is possible to replace the bulbs without removing the headlight assemblies, but I could not figure out a way to do this easily.

Headlight Assembly: Shown here is the headlight assembly removed and inverted up onto the front bulkhead.
Figure 1

Headlight Assembly: Shown here is the headlight assembly removed and inverted up onto the front bulkhead. Pry back the two spring retainer clips (green arrows) holding the cover to the headlight assembly.

Headlight Assembly: Carefully remove the cover from the assembly and place it so you can gain access inside the headlight assembly.
Figure 2

Headlight Assembly: Carefully remove the cover from the assembly and place it so you can gain access inside the headlight assembly.

Headlight Assembly: Shown here is the Xenon high beam bulb.
Figure 3

Headlight Assembly: Shown here is the Xenon high beam bulb. Pull the electrical connector (green arrow) off the bulb.

Headlight Assembly: Now rotate the locking collar (green arrow) counterclockwise and pull it off.
Figure 4

Headlight Assembly: Now rotate the locking collar (green arrow) counterclockwise and pull it off. At this point you will be able to remove the bulb from the housing.

Headlight Assembly: It is important to remember not to touch the glass portion of the new bulb with your bare fingers.
Figure 5

Headlight Assembly: It is important to remember not to touch the glass portion of the new bulb with your bare fingers. The oils on your fingers can damage the bulb once it heats up. Use gloves as shown here or a paper towel.

Headlight Assembly: Note the locating tab on the high beam bulb (green arrow).
Figure 6

Headlight Assembly: Note the locating tab on the high beam bulb (green arrow). This tab lines up with a pin on the headlight assembly, preventing you from installing it incorrectly. See picture 7 for further clarification.

Headlight Assembly: Here is the locating pin molded into the headlight assembly (green arrow).
Figure 7

Headlight Assembly: Here is the locating pin molded into the headlight assembly (green arrow). Make sure that the bulb lines up correctly, then place the locking collar over the bulb and turn it clockwise to lock it in place. Once the bulb is secure, push the electrical connector onto the new bulb.

Headlight Assembly: The turn signal bulbs are located on the outside of the headlight assemblies.
Figure 8

Headlight Assembly: The turn signal bulbs are located on the outside of the headlight assemblies. Grab the plastic bulb holder (green arrow) and rotate it counterclockwise to remove it from the headlight assembly.

Headlight Assembly: Now push the turn signal bulb (green arrow) inward slightly and rotate it counterclockwise to remove the bulb from the holder (purple arrow).
Figure 9

Headlight Assembly: Now push the turn signal bulb (green arrow) inward slightly and rotate it counterclockwise to remove the bulb from the holder (purple arrow). Bulb and headlight installation is the reverse of removal.

Headlight Assembly: The low beam bulbs are held in place with a wire retainer.
Figure 10

Headlight Assembly: The low beam bulbs are held in place with a wire retainer. Press the wire retainer (green arrow) inward slightly to free it from the locking tabs on the headlight assembly (purple arrow). Once free, rotate the wire retainer over the bulb and remove the bulb from the headlight assembly.

Headlight Assembly: Once the low beam bulb (green arrow) is free, pull the electrical connector (purple arrow) off.
Figure 11

Headlight Assembly: Once the low beam bulb (green arrow) is free, pull the electrical connector (purple arrow) off. When reinstalling, take care not to touch the glass portion with bare fingers.

Taillights: Press the tab (green arrow) on the trunk rear access panels and remove them from the car.
Figure 12

Taillights: Press the tab (green arrow) on the trunk rear access panels and remove them from the car. Once removed, you will be able to access the taillight bulbs.

Figure 13

Taillights: Press the two tabs (green arrows) on the bulb holder and pull the bulb holder out of the tail lens

Taillights: Once the bulb holder is removed, you can remove the turn signal bulb, reverse light bulb or the brake light bulb.
Figure 14

Taillights: Once the bulb holder is removed, you can remove the turn signal bulb, reverse light bulb or the brake light bulb. Press the bulbs slightly inward and rotate the counterclockwise to remove them from the bulb holder. Installation is the reverse of removal.



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Page last updated: Sun 12/17/2017 03:12:29 AM