Headlamp Bulb: Service and Repair

Headlamp Bulb

Crown Victoria









Grand Marquis









Removal and Installation

WARNING: The bulb contains gas under pressure. The bulb may shatter if the glass envelope is scratched or if the bulb is dropped. Handle the bulb only by its base. Avoid touching the glass envelope. Failure to follow these instructions may result in personal injury.

NOTE: The headlamp bulb should not be removed from the headlamp until just before a new bulb is installed. Removing the bulb for an extended period of time may affect headlamp bulb performance. Contaminants may enter the headlamp where they can settle on the lens and reflector. Never turn the headlamps on with the bulb removed.

NOTE: Bulbs 9004 and 9007 look similar, but are not interchangeable.

All vehicles

1. Remove the headlamp assembly. For additional information, refer to Headlamp Assembly Service and Repair.

Crown Victoria

2. Rotate the headlamp bulb retainer counterclockwise and remove the retainer.

3. Grasp the headlamp bulb by its base and remove the bulb.

Grand Marquis

4. Rotate the headlamp bulb counterclockwise and remove the bulb.

All vehicles

5. To install, reverse the removal procedure.