Radio Speaker Amplifier Replacement Envoy, TrailBlazer

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



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.

Caution: Refer to Fastener Caution in the Preface section.

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.
5. Install the upper right quarter trim panel. Refer to Quarter Upper Trim Panel Replacement.

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.

Caution: Refer to Fastener Caution in the Preface section.

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.