GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 TrailBlazer - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Horn Replacement

Removal Procedure

    Object Number: 687551 Size: SH
  1. Remove the battery ventilation hose from the battery carrier.
  2. Disconnect the horn assembly electrical connector.
  3. Remove the bolt that retains the horn assembly to the body.
  4. Remove the horn assembly from the body.

Installation Procedure

    Object Number: 687551 Size: SH
  1. Install the horn assembly to the body.

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

  2. Install the bolt that retains the horn assembly to the body.

    3. Tighten
    Tighten the bolt to 10 N·m (88 lb in).

  3. Connect the horn assembly electrical connector.
  4. Install the battery ventilation hose to the battery carrier.