GM Service Manual Online
For 1990-2009 cars only

To remove the headlamp assembly from the vehicle and access the bulbs:

  1. Open the hood. See Hood Release for more information.
  2. Remove the two bolts from the headlamp assembly.

  3. Object Number: 1551909  Size: B3
  4. Remove the two pins on the top of the headlamp assembly. To remove the pins, turn the outer pin clockwise and pull it straight up. To remove the inner pin, turn it counterclockwise and pull it straight up.
  5. Lift the inboard side of the headlamp to release the inboard tab from the radiator support.
  6. Lift the outboard side of the headlamp to release the outboard tab from the radiator support.
  7. Lower the headlamp to allow the vertical adjustor to clear the tie bar.
  8. Turn the headlamp forward and upward to remove it from the grille.
  9. Turn the bulb connector counterclockwise and pull it out of the housing.
  10. Without removing the headlamp assembly itself, remove the bulb socket from the back of the headlamp on the driver's side.
  11. Turn the bulb counterclockwise one quarter turn to remove it from the socket.
  12. On the passenger's side, turn the bulb clockwise one turn.

  13. Object Number: 811051  Size: B3
  14. Install the new bulb into the socket then reinstall it into the headlamp assembly.
  15. Reverse the steps to reinstall the headlamp assembly.