GM Service Manual Online
For 1990-2009 cars only

If your vehicle has halogen headlamps, you can replace the bulbs using the following procedure. Use this procedure to replace the front sidemarker and parking lamp bulbs also.

If you only need to change the sidemarker bulb, there is an alternate procedure. See Sidemarker Lamps .

To remove the headlamp assembly from the vehicle and access the bulbs, follow these steps:

  1. Open the hood. See Hood Release for more information.
  2. Remove all of the fasteners along the top surface of the front fascia.
  3. Remove the one screw and one retainer on top of the headlamp assembly.
  4. Gently pull the front fascia away from the headlamp assembly and remove the screw attached to the bracket located at the lower inboard side of the headlamp assembly.
  5. Pull the headlamp assembly straight out to disengage the snap in the retainer at the lower outboard back surface of the assembly. Then, turn the lamp so that the inboard corner clears the front fascia and pull the lamp assembly out.
  6. Remove the electrical harness connector from the back side of the headlamp assembly access cap.

To replace the low and/or high-beam headlamp bulb(s), do the following:

  1. Remove the three Torx® screws on the back of the access cap.
  2. You can now access the low and high beam bulbs.

  3. Turn the low-beam (upper) bulb socket one-eighth turn counterclockwise to remove it from the assembly. Turn the high-beam (lower) bulb socket one-eighth turn clockwise to remove it from the assembly.
  4. Replace the bulb. See Replacement Bulbs for the proper bulb number.
  5. Reinstall the three Torx® screws while making sure the access cap seal gasket is located in the access cap seal channel.
  6. Replace the lower outboard plastic snap-in retainer in the fender bracket , if needed.
  7. Reconnect the electrical harness at the back side of the headlamp assembly.
  8. Push the headlamp assembly straight into the vehicle engaging the headlamp pin into the snap-in retainer and adjusting the lamp inboard side to clear past the front fascia.
  9. Reinstall the two fasteners on top of the headlamp assembly.
  10. Reinstall the screw at the lower inboard side of the headlamp assembly through the hole in the bracket into the headlamp.
  11. Reinstall the fasteners along the top surface of the front fascia.

To replace the sidemarker and/or parking lamp bulb(s), do the following:

  1. Turn the bulb socket counterclockwise to remove it from the assembly.
  2. Replace the bulb. See Replacement Bulbs for the proper bulb number.
  3. Reinstall the headlamp assembly by reversing Steps 5 through 10 of the procedure listed previously.