GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Halogen bulbs contain gas under pressure. Handling a bulb improperly could cause it to shatter into flying glass fragments. To help avoid personal injury:

   • Turn off the lamp switch and allow the bulb to cool before changing the bulb.
   • Leave the lamp switch OFF until the bulb change is complete.
   • Always wear eye protection when changing a halogen bulb.
   • Handle the bulb only by its base. Avoid touching the glass.
   • Keep dirt and moisture off the bulb.
   • Properly dispose of the used bulb.
   • Keep halogen bulbs out of the reach of children.

  1. Open the hood.
  2. Remove the front park/turn signal/sidemarker lamp. Refer to Repeater Lamp Replacement in Park Brake.

  3. Object Number: 313831  Size: SH
  4. Remove the wing nuts from the headlamp studs.
  5. Lift up and pull out from the headlamp support bracket in order to remove the headlamp from the body.
  6. Important: In order to minimize the nitrogen from escaping from within the headlamp, the headlamp must be placed on a flat surface, lens down, when removing the bulb. The amount of time spent on removing the bulb from the headlamp must be kept to a minimum. If the headlamp is to be stored while repairs are being completed on the vehicle, the bulb must remain in the headlamp.

  7. Place the headlamp, lens down, on a flat surface covered with a rag to protect the surface of the lens.
  8. Twist to release the wire connector/bulb socket from the head lamp.
  9. Remove the bulb from the socket.

Installation Procedure

  1. Install the bulb to the socket.
  2. Twist the wire connector/bulb socket into the head lamp.

  3. Object Number: 313831  Size: SH
  4. Align the lower pins to the locating holes in the headlamp support bracket in order to install the headlamp to the body.
  5. Align the bracket to the studs in order to install the headlamp to the body.
  6. Install the wing nuts to the headlamp studs.
  7. Install the front park/turn signal/sidemarker lamp. Refer to Repeater Lamp Replacement in Park Brake.
  8. Close the hood.