GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2001 🢒 Aztek - FWD 🢒 Engine 🢒 Engine Mechanical - 3.4L 🢒 Headlamp Assembly or Headlamp Bulb Replacement

Removal Procedure

    Object Number: 621251 Size: SH

    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. Disconnect the headlamp retainer, by pulling up.

    3. Object Number: 623855 Size: SH
  3. Pull the headlamp from the lower center corner, to release the ball studs from the grommet retainers.

    4. Object Number: 621267 Size: SH
  4. Remove the headlamp from the upper fascia support.

    5. Object Number: 621268 Size: SH
  5. Disconnect the electrical connector from the headlamp.
  6. Remove the headlamp from the vehicle.

    7. Object Number: 623845 Size: SH
  7. Remove the rubber access cover from the headlamp for the bulb you are replacing, if required.

    8. Object Number: 623839 Size: SH
  8. Remove the headlamp bulb from the socket, turning counterclockwise.

    9. Object Number: 623948 Size: SH
  9. Remove the headlamp bulb from the socket, if required.

Installation Procedure

    Object Number: 623948 Size: SH
  1. Install the headlamp bulb into the socket, if required.

    2. Press into place until fully seated.


    Object Number: 623839 Size: SH
  2. Install the headlamp bulb to the socket, turning clockwise.

    3. Object Number: 623845 Size: SH
  3. Install the rubber access cover to the headlamp for the bulb you are replacing, if required.

    4. Object Number: 621268 Size: SH
  4. Connect the electrical connector to the headlamp.

    5. Object Number: 623860 Size: SH

    Important: The headlamp electrical connector must be positioned into the upper fascia support panel for proper seating of the headlamp.

  5. Position the headlamp electrical connector into the access hole in the upper fascia support.

    6. Object Number: 621268 Size: SH
  6. Position the headlamp vertical retainer into the slot.
  7. Position the headlamp retainer through hole in the upper fascia support.
  8. Position the headlamp ball studs into the grommet retainers.

    9. Object Number: 623995 Size: SH
  9. Position the headlamp rubber outer seal to properly fit into the front bumper fascia.
  10. Press the headlamp into place until fully seated.
  11. Inspect the headlamp for proper fit.

    12. Object Number: 621251 Size: SH
  12. Install the headlamp vertical retainer, by sliding downward until fully seated.
  13. Check the headlamp aim, if a new headlamp was installed, or if service or repairs in the front end area were made. Refer to Headlamp Aiming .
  14. Close the hood.