GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the body side trim panel. Refer to Auxiliary HVAC Module Replacement .
  2. Remove the fasteners securing the HVAC module.
  3. Slide the HVAC module over to gain access to the amplifier.
  4. Do not remove the HVAC module.


    Object Number: 1211151  Size: SH
  5. Remove the fasteners securing the amplifier bracket to the vehicle.

  6. Object Number: 1211147  Size: SH
  7. Disconnect the electrical connectors (1).

  8. Object Number: 1211150  Size: SH
  9. Remove the amplifier from the bracket.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1211150  Size: SH
  1. Install the amplifier to the bracket.
  2. Tighten
    Tighten the fasteners to 9 N·m (80 lb in).


    Object Number: 1211147  Size: SH
  3. Connect the electrical connectors (1).

  4. Object Number: 1211151  Size: SH
  5. Install the amplifier bracket to the vehicle.
  6. Tighten
    Tighten the fasteners to 9 N·m (80 lb in).

  7. Install the HVAC module.
  8. Install the body side trim panel. Refer to Auxiliary HVAC Module Replacement .