GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 TrailBlazer - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Cellular Communications/Digital Radio Antenna Replacement

Removal Procedure
  1. Lower the front portion of the headliner. Refer to Headlining Trim Panel Replacement .

    2. Object Number: 1226969 Size: SH
  2. Disconnect the electrical connectors from the digital radio antenna assembly.
  3. Remove the retaining bolt and retainer from the antenna.
  4. Squeeze the plastic retainer to release the antenna assembly from the roof panel.
  5. Using an upward motion, remove the antenna assembly from the roof.

Installation Procedure

    Object Number: 1226969 Size: SH
  1. Install the antenna assembly to the top of the roof.
  2. Lower the antenna assembly to the roof panel, ensuring the anti-rotation pin is properly indexed.

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

  3. Install the retainer and retainer bolt.

    4. Tighten
    Tighten the bolt to 6 N·m (53 lb in).

  4. Connect the antenna electrical connectors.
  5. Install the headliner. Refer to Headlining Trim Panel Replacement .