Removing and installing alarm horn — AUDI

🧭 Before you start

Fits: platform codes S1, 2H

• Also covered elsewhere: Electronic Parts Catalogue)

Don't miss

• Remove all metal filings and the residue of the pop rivets from the vehicle.
• During installation, use appropriate rivets (see Electronic Parts Catalogue).

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Switch off ignition and all electrical loads, and pull out ignition key.
2. In order to deactivate the anti-theft alarm system, unlock the doors with the remote control key.
3. Remove the air filter housing on the engine side and place to one side together with the connected wires.
4. Remove coolant reservoir and place to one side together with the connected hoses.
5. Use drillVAS 5134 and a drill bit to drill out the heads of the two pop rivets (arrows).

6. Using a small screwdriver, release connector through opening in housing.
7. Remove rivet residues. [Note: Remove all metal filings and the residue of the pop rivets from the vehicle.]
8. Perform necessary corrosion protection measures Allgemeine HinweiseCorrosion protection measures; Corrosion protection.
9. Fit connector to alarm horn H12, and engage it firmly. [Note: During installation, use appropriate rivets (see Electronic Parts Catalogue).]
10. Check and, if necessary, adapt the coding of the anti-theft alarm system.

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