Headlamp Housing Panel Replacement TrailBlazer

1. Remove the grille. Refer to Grille Replacement.
2. Remove the headlamp assemblies. Refer to Headlamp Replacement.
3. Release the tabs that retain the ambient temperature sensor to the headlamp housing panel.
4. Note the wiring harness routing for installation.



5. Remove the bolts that retain the headlamp housing panel to the core support.
6. Remove the headlamp housing panel from the vehicle.

1. Position the headlamp housing panel to the vehicle.
2. Route the wiring harness through the headlamp housing panel as noted during removal.

Caution: Refer to Fastener Caution in the Preface section.

3. Install the bolts that retain the headlamp housing panel to the core support.

Tighten
Tighten the bolts to 8 N·m (71 lb in).

4. Install the ambient temperature sensor to the headlamp housing panel, ensure the retaining tabs are fully seated.
5. Install the headlamp assemblies. Refer to Headlamp Replacement.
6. Install the grille. Refer to Grille Replacement.

Headlamp Housing Panel Replacement Envoy

1. Remove the headlamp assemblies. Refer to Headlamp Replacement.
2. Remove the grille. Refer to Grille Replacement.
3. Release the tabs that retain the ambient temperature sensor to the headlamp housing panel.
4. Note the wiring harness routing for installation.



5. Remove the bolts that retain the headlamp housing panel to the core support.
6. Remove the headlamp housing panel from the vehicle.

1. Position the headlamp housing panel to the vehicle.
2. Route the wiring harness through the headlamp housing panel as noted during removal.

Caution: Refer to Fastener Caution in the Preface section.

3. Install the bolts that retain the headlamp housing panel to the core support.

Tighten
Tighten the bolts to 8 N·m (71 lb in).

4. Install the ambient temperature sensor to the headlamp housing panel, ensure the retaining tabs are fully seated.
5. Install the grille. Refer to Grille Replacement.
6. Install the headlamp assemblies. Refer to Headlamp Replacement.