Radio Speaker Amplifier Replacement Bravada, Envoy, TrailBlazer

1. Remove the upper right quarter trim panel. Refer to Rear Quarter Upper Trim Panel Replacement in Interior Trim.
2. Remove the lower right quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side in Interior Trim.



3. Disconnect the electrical connectors from the radio speaker amplifier.
4. Remove the 4 bolts that retain the radio speaker amplifier to the body.
5. Remove the radio speaker amplifier from the body.

1. Install the radio speaker amplifier to the body.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the 4 bolts that retain the radio speaker amplifier to the body.

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

3. Connect the electrical connectors to the radio speaker amplifier.
4. Install the lower right quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Right Side in Interior Trim.
5. Install the upper right quarter trim panel. Refer to Rear Quarter Upper Trim Panel Replacement in Interior Trim.

Radio Speaker Amplifier Replacement Envoy XL

1. Remove the Left rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Left Side .



2. Disconnect the electrical connectors from the radio speaker amplifier.
3. Remove the 4 bolts that retain the radio speaker amplifier to the body.
4. Remove the radio speaker amplifier from the body.

1. Install the radio speaker amplifier to the body.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

2. Install the 4 bolts that retain the radio speaker amplifier to the body.

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

3. Connect the electrical connectors to the radio speaker amplifier.
4. Install the left rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement - Left Side .

Radio Speaker Amplifier Replacement Envoy XUV

1. Remove the left body side trim panel. Refer to Body Side Trim Panel Replacement in Interior Trim.



2. Remove the screws retaining the amplifier cover to the body.
3. Remove the amplifier cover.
4. Remove the screws retaining the amplifier to the body.
5. Partially remove the amplifier to disconnect the electrical connectors.
6. Remove the amplifier from the vehicle.

1. Partially install the amplifier to connect the electrical connectors.
2. Install the amplifier to the body.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the screws retaining the amplifier to the body.

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

4. Install the screws retaining the amplifier cover to the body.

Tighten
Tighten the fasteners to 2.5 N·m (22 lb in).

5. Install the left body side trim panel. Refer to Body Side Trim Panel Replacement in Interior Trim.