GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 Envoy - 4WD 🢒 Accessories 🢒 Cellular Communication 🢒 Cellular and Navigation Antenna Assembly Replacement

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

    2. Object Number: 1222548 Size: SH
  2. Disconnect the electrical connectors from the antenna assembly.
  3. Loosen the retaining nut until the assembly can be removed from the roof panel.
  4. Using an upward motion, remove the antenna assembly from the roof.

Installation Procedure

    Object Number: 1222548 Size: SH
  1. Install the antenna assembly from 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. Tighten the retaining nut.

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

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