GM Service Manual Online
For 1990-2009 cars only

To replace one of these bulbs:

  1. Open the hood. See Hood Release for more information.

  2. Object Number: 1398299  Size: B3
  3. Carefully pry out the center of the push pins from the top of the radiator cover.

  4. Object Number: 1401072  Size: A2

    Gently pull the radiator cover/front grill toward you and pull the front grill trim bar away from the headlamp lens.

  5. The front grill bar is attached to the headlamp lens with a hidden clip.

  6. Object Number: 1398297  Size: B3
  7. Remove the three headlamp assembly attachment screws.
  8. Pull the radiator cover/front grill toward you and pull the headlamp assembly up and out from the vehicle.

    1. Object Number: 1398295  Size: B3

      Parking Lamp

      Sidemarker Lamp

      Low/High-Beam Headlamp

      Turn Signal Lamp


    Object Number: 1401076  Size: A2

    Press the clip (A) on the electrical connector when replacing the low-beam or high-beam bulb, then pull it straight off.

  9. Turn the bulb retaining ring (B) counterclockwise to remove it and then pull the bulb assembly straight out.
  10. For all other bulbs, turn the socket counterclockwise and pull it out from the headlamp assembly. Pull the bulb straight out from the socket.

  11. Push the new bulb into the socket and reinstall the socket into the headlamp assembly by turning it clockwise.
  12. For the low-beam or high-beam bulb, install the new bulb being sure to align the notches in the bulb with the notches in the headlamp assembly.

  13. Place the retaining ring over the bulb/socket and turn it clockwise to tighten it and secure the bulb/socket.
  14. Connect the electrical connector.
  15. Reverse Steps 1 through 5 to reinstall the headlamp assembly.

To replace one of these bulbs:

  1. Open the hood. See Hood Release .

  2. Object Number: 1593305  Size: B3
  3. Remove the three headlamp assembly attachment screws.
  4. Pull the headlamp assembly toward you to release it from the hidden, lower headlamp mount. The headlamp assembly will need to be carefully disengaged from the vehicle.

    1. Object Number: 1593306  Size: B3

      Sidemarker Lamp

      Parking/Turn Signal Lamp

      Low/High-Beam/DRL Headlamp

  5. Pull the locking tab back on the bulb socket and push the release tab in to release the wiring harness. Turn the bulb socket counterclockwise to remove it from the headlamp assembly.
  6. Pull the bulb straight out from the socket.
  7. Push the new bulb into the socket and reinstall the socket into the headlamp assembly by turning it clockwise.
  8. Reconnect the electrical connector.
  9. Push the headlamp back into the lower headlamp mount carefully.
  10. Reinstall the three headlamp assembly screws.