GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Horns 🢒 Horn Replacement

Removal Procedure
  1. Remove the grille from the vehicle. Refer to Grille Replacement in Exterior Trim.

    2. Object Number: 493846 Size: SH
  2. Disconnect the horn electrical connector.
  3. Remove the horn bolt.
  4. Remove the horn from the vehicle.

Installation Procedure

    Object Number: 493846 Size: SH
  1. Install the horn.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the horn bolt.

    3. Tighten
    Tighten the horn bolt to 25 N·m (18 lb ft).

  3. Connect the electrical connector to the horn.
  4. Install the grille to the vehicle. Refer to Grille Replacement in Exterior Trim.