GM Service Manual Online
For 1990-2009 cars only

Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement Oldsmobile

Removal Procedure

Caution: Refer to Halogen Bulb Caution in the Preface section.

  1. Open the hood.

  2. Object Number: 182389  Size: SH
  3. Apply light pressure to the headlamp lens to hold the headlamp in place while releasing the retainers.
  4. Lift up the headlamp retainers to release.
  5. Remove the headlamp from the mounting panel.

  6. Object Number: 737334  Size: SH
  7. Remove the sidemarker lamp bulb/socket from the headlamp by rotating counterclockwise.

  8. Object Number: 737336  Size: SH
  9. Disconnect the electrical connector from the headlamp.

  10. Object Number: 737335  Size: SH
  11. Remove the turn signal lamp bulb/socket from the headlamp by rotating counterclockwise.

  12. Object Number: 623845  Size: SH
  13. Remove the rubber access covers from behind the headlamp bulbs to be replaced.

  14. Object Number: 623839  Size: SH
  15. Remove the headlamp bulb/socket from the headlamp by rotating counterclockwise.

  16. Object Number: 623948  Size: SH
  17. Disconnect the electrical connector from the headlamp bulb/socket.

Installation Procedure


    Object Number: 623948  Size: SH
  1. Connect the electrical connector to the headlamp bulb/socket.

  2. Object Number: 623839  Size: SH
  3. Install the headlamp bulb/socket to the headlamp rotating clockwise until fully seated.

  4. Object Number: 623845  Size: SH
  5. Install the rubber access covers to the headlamp.

  6. Object Number: 737335  Size: SH
  7. Install the turn signal lamp bulb/socket to the headlamp rotating clockwise until fully seated.

  8. Object Number: 737336  Size: SH
  9. Connect the electrical connector to the headlamp.

  10. Object Number: 737334  Size: SH
  11. Install the sidemarker lamp bulb/socket to the headlamp rotating clockwise until fully seated.

  12. Object Number: 182389  Size: SH
  13. Position the headlamp mounting tabs to the slots in the upper fascia support and the fender reinforcement.
  14. Apply light pressure to the headlamp lens to hold the headlamp in place while installing the retainers.
  15. Align the headlamp retainers over the headlamp mounting tabs, then press the retainers down until fully seated.
  16. Inspect the headlamp for proper fit.
  17. Check and adjust the headlamp aim as necessary. Refer to Headlamp Aiming .
  18. Close the hood.

Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement Pontiac

Removal Procedure

Caution: Refer to Halogen Bulb Caution in the Preface section.


    Object Number: 182389  Size: SH
  1. Open the hood.
  2. Remove the front air deflector. Refer to Front Air Deflector Replacement in Body Front End.
  3. Apply light pressure to the headlamp lens to hold the headlamp in place while disconnecting the retainers.
  4. Lift up the headlamp retainers to release.
  5. Important: Note the location and position of the headlamp adjuster retainers and the locator tab.


    Object Number: 737310  Size: SH
  6. Remove the headlamp, pulling straight forward from the headlamp mounting panel.

  7. Object Number: 737272  Size: SH
  8. Disconnect the wiring harness from the headlamp.

  9. Object Number: 737300  Size: SH
  10. Rotate the headlamp bulb/socket(s) counterclockwise to release.
  11. Remove the headlamp bulb(s), if required.

Installation Procedure


    Object Number: 737300  Size: SH
  1. Install the headlamp bulb(s), if required.
  2. Rotate the headlamp bulb base clockwise to secure.

  3. Object Number: 737272  Size: SH
  4. Connect the wiring harness to the headlamp.
  5. Important: Note the location and position of the headlamp adjuster retainers and the locator tab.


    Object Number: 737310  Size: SH
  6. Position the headlamp to the headlamp mounting panel.

  7. Object Number: 182389  Size: SH
  8. Apply light pressure to the headlamp lens to hold the headlamp in place while installing the retainers.
  9. Align the headlamp retainers over the headlamp mounting tabs, then press the retainers down until fully seated.
  10. Inspect the headlamp for proper fit.
  11. Install the front air deflector. Refer to Front Air Deflector Replacement in Body Front End.
  12. Check the headlamp aim, If a new headlamp was installed, or if service or repairs in the front end area may have disturbed the headlamp mounting brackets. Refer to Headlamp Aiming .
  13. Close the hood.