There are two general styles of headlamps, the sealed beam and replaceable bulb type. The sealed beam is by far the most common and includes almost all of the circular and rectangular lamps found on vehicles built through the 1980s. The sealed beam is so named because it includes the lamp (filament), the reflector and the lens in one sealed unit. Sealed beams are available in several sizes and shapes.
REMOVAL & INSTALLATION
- Remove the headlight bezel (trim.) It is secured by a series of small screws.
- The sealed beam is secured by a retainer and either 2 or 4 small screws. Identify these screws before applying any tools. Do not confuse the small retaining screws with the larger aiming screws. There will be two aiming screws or adjustors for each lamp. (One adjustor controls the up/down motion and the other controls the left/right motion.) Identify the adjustors and avoid them during removal. If they are not disturbed, the new headlamp should be in identical aim to the old one.
- Using a small screwdriver (preferably magnetic) and a pair of needle-nose pliers if necessary, remove the small screws in the headlamp retainer.
A good kitchen or household magnet placed on the shank of the screwdriver will provide enough grip to hold the screw during removal.
- Remove the retainer and the headlamp may be gently pulled free from its mounts. Detach the connector from the back of the sealed beam unit and remove the unit from the car.
- Place the new headlamp in position and connect the wiring harness. Remember to install the rubber boot on the back of the new lamp. Also, make sure the headlight is right-side up.
- Have an assistant turn on the headlights and check the new lamp for proper function, checking both high and low beams before final assembly.
- Install the retainer and the small screws that secure it.
- Reinstall the headlight trim.
See Figures 1, 2 and 3
- Locate the bulb cover and slide it back on the wire.
- Unplug the connector from the back of the bulb.
- Twist the lockring or release the retaining spring and pull the bulb holder from the headlight housing.
Do not handle quartz halogen bulbs with your bare hands, the oils in your skin will cause the bulb to fail.
- Remove the bulb from the holder.
- Insert the replacement bulb.
- Reinsert the holder into the housing and turn the lockring. Reconnect the electrical lead. Slide the rubber boot back into position.