GM Service Manual Online
For 1990-2009 cars only

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

Removal Procedure


    Object Number: 182389  Size: SH
  1. Open the hood.
  2. Remove the radiator air baffle as required. Refer to Radiator Air Baffle Assemblies and Deflectors in Engine Cooling.
  3. Remove the headlamp retainers, by pulling up.
  4. Hold the headlamp to prevent the headlamp from falling.

  5. Remove the headlamp out of the slots in upper fascia support and fender reinforcement.

  6. Object Number: 182398  Size: SH
  7. Disconnect the electrical connector from the headlamp.
  8. Remove the headlamp from the vehicle.

  9. Object Number: 623845  Size: SH
  10. Remove the rubber access cover from the headlamp for the bulb you are replacing.

  11. Object Number: 623839  Size: SH
  12. Remove the bulb from the socket, turning counterclockwise.

  13. Object Number: 623948  Size: SH
  14. Disconnect the electrical connector from the bulb.

Installation Procedure


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

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

  4. Object Number: 623845  Size: SH
  5. Install the rubber access cover to the headlamp for the bulb you are replacing.

  6. Object Number: 182398  Size: SH
  7. Connect the electrical connector to the headlamp.

  8. Object Number: 182389  Size: SH
  9. Install the headlamp retainers through holes in the upper fascia support and the fender reinforcement.
  10. Install the headlamp retainers, by sliding downward until fully seated.
  11. 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 .
  12. Install the radiator air bafflel as required. Refer to Radiator Air Baffle Assemblies and Deflectors in Engine Cooling.
  13. Close the hood.

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

Removal Procedure


    Object Number: 458185  Size: SH
  1. Open the hood.
  2. Remove the radiator air baffle as required. Refer to Radiator Air Baffle Assemblies and Deflectors in Engine Cooling.
  3. Remove the headlamp retainers, by pulling up.
  4. Hold the headlamp to prevent the headlamp from falling.

  5. Remove the headlamp out of the slots in upper fascia support and fender reinforcement.

  6. Object Number: 182398  Size: SH
  7. Disconnect the electrical connector from the headlamp.
  8. Remove the headlamp from the vehicle.

  9. Object Number: 623845  Size: SH
  10. Remove the rubber access cover from the headlamp for the headlamp bulb you are replacing.

  11. Object Number: 623839  Size: SH
  12. Remove the bulb from the socket, turning counterclockwise.

  13. Object Number: 623948  Size: SH
  14. Disconnect the electrical connector from the bulb.

Installation Procedure


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

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

  4. Object Number: 623845  Size: SH
  5. Install the rubber access cover to the headlamp for the headlamp bulb you are replacing.

  6. Object Number: 182398  Size: SH
  7. Connect the electrical connector to the headlamp.

  8. Object Number: 458185  Size: SH
  9. Install the headlamp retainers through holes in the upper fascia support and the fender reinforcement.
  10. Install the headlamp retainers, by sliding downward until fully seated.
  11. 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 .
  12. Install the radiator air baffle as required. Refer to Radiator Air Baffle Assemblies and Deflectors in Engine Cooling.
  13. Close the hood.