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. Refer to Radiator Air Upper Baffle and Deflector Replacement in Engine Cooling.
  3. Apply light pressure to the headlamp lens to hold the headlamp in place while removing the retainers.
  4. Lift up the headlamp retainers to release the headlamp from the upper fascia support.
  5. Remove the headlamp from the slots in the upper fascia support.

  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.

  11. Object Number: 623839  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.

  12. Remove the bulb/socket from the headlamp by rotating counterclockwise.

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

Installation Procedure


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

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

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

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

  8. Object Number: 182389  Size: SH
  9. Position the headlamp to the upper fascia support.
  10. Push the headlamp retainers down until fully seated.
  11. Install the radiator air baffle. Refer to Radiator Air Upper Baffle and Deflector Replacement in Engine Cooling.
  12. Check and adjust the headlamp aim as necessary. Refer to Headlamp Aiming .
  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. Refer to Radiator Air Upper Baffle and Deflector Replacement in Engine Cooling.
  3. Apply light pressure to the headlamp lens to hold the headlamp in place while removing the retainers.
  4. Lift up the headlamp retainers to release the headlamp from the upper fascia support.
  5. Remove the headlamp from the slots in the upper fascia support.

  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.

  11. Object Number: 623839  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.

  12. Remove the bulb/socket from the headlamp by rotating counterclockwise.

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

Installation Procedure


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

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

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

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

  8. Object Number: 458185  Size: SH
  9. Position the headlamp to the upper fascia support.
  10. Push the headlamp retainers down until fully seated.
  11. Install the radiator air baffle. Refer to Radiator Air Upper Baffle and Deflector Replacement in Engine Cooling.
  12. Check and adjust the headlamp aim as necessary. Refer to Headlamp Aiming .
  13. Close the hood.