GM Service Manual Online
For 1990-2009 cars only

Headlamp Housing Panel Replacement TrailBlazer

Removal Procedure

  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. Object Number: 752279  Size: SH
  6. Remove the bolts that retain the headlamp housing panel to the core support.
  7. Remove the headlamp housing panel from the vehicle.

Installation Procedure


    Object Number: 752279  Size: SH
  1. Position the headlamp housing panel to the vehicle.
  2. Route the wiring harness through the headlamp housing panel as noted during removal.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the bolts that retain the headlamp housing panel to the core support.
  5. Tighten
    Tighten the bolts to 8 N·m (71 lb in).

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

Headlamp Housing Panel Replacement Envoy, Rainier

Removal Procedure

  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. Object Number: 755562  Size: SH
  6. Remove the bolts that retain the headlamp housing panel to the core support.
  7. Remove the headlamp housing panel from the vehicle.

Installation Procedure


    Object Number: 755562  Size: SH
  1. Position the headlamp housing panel to the vehicle.
  2. Route the wiring harness through the headlamp housing panel as noted during removal.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the bolts that retain the headlamp housing panel to the core support.
  5. Tighten
    Tighten the bolts to 8 N·m (71 lb in).

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