GM Service Manual Online
For 1990-2009 cars only
  1. Open the hood.
  2. Remove the upper filler panel by loosening all the screws and then removing the grommets.

  3. Object Number: 810975  Size: B3
  4. Remove the two bolts fastening the headlamp to the headlamp mounting bracket.
  5. Pull the headlamp straight forward to disengage the locator pin at the outboard edge of the headlamp.

  6. Object Number: 810765  Size: B3
  7. To replace the low-beam bulb, first remove the rubber housing cover on the rear of the lamp.

  8. Object Number: 812326  Size: B3
  9. Then, turn the bulb socket counterclockwise to unlock the socket from the lamp housing.

  10. Object Number: 810771  Size: B3
  11. Remove the headlamp bulb socket.

  12. Object Number: 812327  Size: B3
  13. After removing the wiring harness connector from the headlamp bulb socket, replace the bulb assembly. Reconnect it to the wiring harness and reinstall the headlamp bulb assembly back into the headlamp housing.
  14. After reinstalling the bulb and socket, reinstall the rubber cover. Make sure it fully covers the headlamp socket.
  15. To replace the high-beam bulb, turn the bulb socket counterclockwise to unlock the socket from the lamp housing. Follow the instructions in Step 6 through 8 to install the new bulb.
  16. Reinstall the upper filler panel by inserting the grommets, along with the screws, back into the holes.