GM Service Manual Online
For 1990-2009 cars only

To replace a headlamp bulb, do the following:

  1. Open the hood. See Hood Release for more information.
  2. Remove the grille by grasping and pulling it forward.
  3. Lift the inner quick release clips.
  4. Pull the headlamp assembly away from the vehicle.
  5. Remove the cover from the headlamp bulb.
  6. Disconnect the wiring harness.
  7. Remove the headlamp bulb by turning the socket counterclockwise.
  8. Reinstall by reversing Steps 1 through 6.