GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the appropriate headlamp. Refer to Headlamp Replacement .

  2. Object Number: 623845  Size: SH
  3. Rotate the appropriate headlamp bulb access cover counterclockwise to release, then remove the cover.

  4. Object Number: 623948  Size: SH
  5. Disconnect the electrical connector from the headlamp bulb.

  6. Object Number: 623839  Size: SH
  7. Depress the end of the headlamp bulb retainer, then rotate the retainer slightly counterclockwise to release.
  8. Caution: Halogen bulbs contain gas under pressure. Handling a bulb improperly could cause it to shatter into flying glass fragments. To help avoid personal injury:

       • Turn off the lamp switch and allow the bulb to cool before changing the bulb.
       • Leave the lamp switch OFF until the bulb change is complete.
       • Always wear eye protection when changing a halogen bulb.
       • Handle the bulb only by its base. Avoid touching the glass.
       • Keep dirt and moisture off the bulb.
       • Properly dispose of the used bulb.
       • Keep halogen bulbs out of the reach of children.

  9. Remove the headlamp bulb from the headlamp.

Installation Procedure

    Caution: Halogen bulbs contain gas under pressure. Handling a bulb improperly could cause it to shatter into flying glass fragments. To help avoid personal injury:

       • Turn off the lamp switch and allow the bulb to cool before changing the bulb.
       • Leave the lamp switch OFF until the bulb change is complete.
       • Always wear eye protection when changing a halogen bulb.
       • Handle the bulb only by its base. Avoid touching the glass.
       • Keep dirt and moisture off the bulb.
       • Properly dispose of the used bulb.
       • Keep halogen bulbs out of the reach of children.

  1. Install the headlamp bulb to the headlamp.

  2. Object Number: 623839  Size: SH
  3. Position the headlamp bulb retainer, then depress the end of the retainer and rotate slightly clockwise to secure.

  4. Object Number: 623948  Size: SH
  5. Connect the electrical connector to the headlamp bulb.

  6. Object Number: 623845  Size: SH
  7. Install the access cover to the headlamp, then rotate clockwise to secure.
  8. Install the headlamp. Refer to Headlamp Replacement .