Operation CHARM: Car repair manuals for everyone.

Alarm Horn: Service and Repair


WM 966519 Removing and installing alarm siren

Technical values





Preliminary work

1. Remove battery cover. => 271219 Removing and installing battery cover - section on "Removing"
2. Disconnect battery. => 2706IN Working instructions after disconnecting the battery

Removing alarm siren





Installation position for alarm horn

1. Release connector -2- and remove it -Arrows a-.





Removing alarm horn

2. Counter fastening screw -4- and unscrew fastening nut -3-.
3. Remove alarm horn -1-.

Removing alarm siren

1. Release connector -2- and remove it -arrows a-.





Removing alarm siren

2. Counter at the fastening screw -4- and unscrew fastening nut -3-.
3. Remove alarm siren -1-.

Installing alarm siren

1. Position alarm horn -1-. Insert fastening screw -4- , counter (if necessary) and tighten the fastening nut -3-. => Tightening torque: 10 Nm (7.5 ftlb.)





Installing alarm horn

2. Push on connector -2- until it engages securely.

Installing alarm siren

1. Position alarm siren -1-. Insert and counter fastening screw -4- and tighten fastening nut -3-. => Tightening torque: 20 Nm (15 ftlb.)





Installing alarm siren

2. Push on connector -2- until it is felt to engage.

Subsequent work

1. Connect the battery. => 2706IN Working instructions after disconnecting the battery
2. Remove battery cover. => 271219 Removing and installing battery cover - section on "Installing"