Alarm Horn: Service and Repair

Alarm Horn H12

Special tools, testers and auxiliary items required

• Drill (VAS 5134) or equivalent

• 2.5 mm spiral drill

• 6 mm spiral drill

The Alarm Horn is located in right front wheel housing.

• To remove the alarm horn, anti-theft alarm system must be deactivated. Refer to => [ Anti-Theft Alarm System, Activating and Deactivating ] Anti-Theft Alarm System, Activating and Deactivating.

Removing

- Switch off the ignition and all electrical consumers and move the ignition key or start button into the 0 position (preliminary engaged position).

- Remove the right front wheel housing liner..

- Using (VAS 5134) (or equivalent) and a 6 mm drill bit, drill off heads of both shear bolts - arrows -.






- Disengage harness connector - 1 - through opening in housing - 2 - using a small screwdriver and remove Alarm Horn - 3 - out of wheel housing.






- Using a (VAS 5134) (or equivalent) and a 2.5 mm drill bit, drill open the remainder of the bolt - arrows - and remove the pieces with a thread tap.






Installing

• Remove all metal shavings through the drilled holes.

- Perform the necessary corrosion protection measures.

- Connect harness connector to Alarm Horn.

• For reasons of clarity, the Alarm Horn is not depicted in the following illustrations and thus the connector is not connected.

- Guide clip - 2 - for Alarm Horn into body cutout - 1 -.






- Secure Alarm Horn with new shear bolts.

- Tighten shear bolts until bolt heads shear off.

- Install the right front wheel housing liner..