GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The horn is located behind the radiator grille to the left of the right headlamp assembly.


    Object Number: 351840  Size: SH
  1. Remove the radiator grille. Refer to Grille Replacement in Exterior Trim.
  2. Disconnect the horn electrical connectors (1).
  3. Remove the horn mounting bolt which secures the horn (2) to the radiator core support.
  4. Remove the horn (2) from the vehicle.
  5. Remove the following components from the horn, if necessary:
  6. 5.1. The nut
    5.2. The horn bracket

Installation Procedure


    Object Number: 351840  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  1. Install the horn to the horn bracket, if removed. Secure the horn with the nut.
  2. Tighten
    Tighten the horn bracket nut to 10 N·m (89 lb in).

  3. Install the horn (2) to the vehicle. Secure the horn with the mounting bolt.
  4. Tighten
    Tighten the horn mounting bolt to 10 N·m (89 lb in).

  5. Connect the horn electrical connectors (1).
  6. Install the radiator grille. Refer to Grille Replacement in Exterior Trim.