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Ignition Switch Replacement
 
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Pelican Technical Article:

Ignition Switch Replacement

Jared Fenton

Time:

2 hours2 hrs

Tab:

$60

Talent:

***

Tools:

Small flathead screwdriver, small pick

Applicable Models:

Audi A6 (1997-04)
Audi A6 Quattro (1997-04)
Audi S6 (2002-03)

Parts Required:

Ignition Switch

Hot Tip:

Disconnect the battery before starting

Performance Gain:

Solves a bunch of electrical glitches

Complementary Modification:

Replace combination switch.

The ignition switch on the C5 Audi A6 can be a bit troublesome. Over the years, continual use can wear out the internal components, leading to various electrical glitches, most commonly manifesting with an intermittent starter. Often times, everything else in the system will be fine, leaving you scratching your head.

It is important to check that your battery is in good shape prior to replacing the switch. Before assuming the switch is suspect, make sure that the battery is in good shape and charged. Often times, a flat battery can cause this problem. See our article on Jump Starting and Charging your Battery for more information.

Keep in mind that you need to remove the airbag, steering wheel, and steering column cover in order to access the ignition switch. See our articles on Airbag Replacement, Steering Wheel Removal and Steering Column Cover Removal for more information. You'll also need to disconnect the battery before you begin. See our article on Battery Replacement for more information.

The electrical portion of the ignition switch is located under the steering column cover.
Figure 1

The electrical portion of the ignition switch is located under the steering column cover. You'll need to remove the airbag, steering wheel and steering column to access the switch itself. Make sure the battery is disconnected and pull the connector (green arrow) off the back of the ignition switch

Note the red paint marks (green arrows) over the retaining screws for the ignition switch.
Figure 2

Note the red paint marks (green arrows) over the retaining screws for the ignition switch. You'll need to use a small metal pick or other tool to break the paint off the small screw heads directly underneath.

Here is one of the screw heads with the paint removed.
Figure 3

Here is one of the screw heads with the paint removed. Use a small flat head screw driver to unscrew the retaining fastener. You'll need to take a little more time removing the upper screw as the access is a bit limited.

Once the screws are backed off, the switch pulls straight out of the lock cylinder.
Figure 4

Once the screws are backed off, the switch pulls straight out of the lock cylinder. Note the "ears" (green arrows) on the switch. The end of the screws fit into the ears and lock the switch in place. The new switch installs in place of the old one. Don't overtighten the retaining screws when fitting the new switch.

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Page last updated: Wed 12/7/2016 03:05:59 AM