GM 19257054 Bulb Asm,Headlamp (Low Beam)

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Replacing a halogen headlight requires the following procedure, first, remove the negative battery terminal. Next, it is necessary to remove the electrical harness of headlamp out of it's place. With the dust cap off the headlamp motor, using your hand to turn the knob anti-clockwise to lift the headlamp assembly. It is followed by removing the headlamp bezel by unscrewing the accessible screws at the back and by freeing the three latching locations while being careful not to scratch the car's surface. When the bezel is taken off, stick you hand into the opening to remove the bulb and pull the electrical connector. Rotating the bulb in the anticlockwise direction makes it to be unscrewed and as for the installation, it is almost the same as the process of removing the bulb.

Remove the four headlight retaining ring screws, then take off the retaining ring, pull out the headlight, and disconnect the electrical connector. After that, take out the headlight unit from the vehicle. To install, reverse the removal process.

To disconnect the negative cable from the battery, start by removing the radiator grille for sealed beam-type headlights. Then, carefully remove the retainer screws without disturbing the adjusting screws. Pull the headlight out enough to unplug the connector and remove the headlight. To install the headlight, plug the connector in, position the headlight, and secure it with the retainer and screws. For composite headlights, open the hood and remove the two headlight retainers to drop the assembly forward and down. Reach behind the assembly to turn the bulb holder counterclockwise and unplug it. To install, plug the new bulb assembly into the electrical connector, insert it into the receptacle, and rotate clockwise to lock it into place.

Open the hood and reach behind the headlight assembly to unplug the electrical connector; if removing the left-side headlight, also remove the fresh-air intake duct. Release the spring clip to take out the bulb holder, then pull straight out on the bulb to remove it from the holder. Avoid touching the glass with bare fingers and use a clean lint-free cloth to hold the bulb during installation, inserting the bulb assembly into the headlight housing. Installation follows the reverse order of removal.

When turning the front turn signal bulbs, the hood should be opened and the amber lens front turn signal should be looked for; it is the outer bulb socket. Pull out the socket by unscrewing it anti-clockwise, and pull the bulb in a manner perpendicular with respect to the direction of the socket. For the front sidemarker bulbs, there is a socket within an amber lens housing that is located at the front corners of the vehicle; if further access is required, the housing can be pulled forward at the frontmost edge. Twist the socket in the anticlockwise direction a quarter turn and pull it out and pull the bulb in the same way. Fog light bulbs, if available, are at the lower edges of the front bumper housing and can be removed from below; lift the car safely, twist the base anti-clockwise, holding it down and pull to remove. Pull out the electrical connector from the bulb and for the bulb simply twist and pull it off the socket. To replace the center-mount brake light bulbs, being by finding the assembly inside of the vehicle, retract the trim lid, and then twist the bulb socket counter clockwise to remove it. The bulb is actually permanently attached to the base so that both should be replaced together. Regarding brake, tail, turn and back up light bulbs, open the trunk or the lift gate, unscrew the trim panel then turn the socket anti-clockwise. Switch off the item and wait for some time until it is cool enough the output shaft then rotate it 1/8 clockwise so as to pull out the bulb, when replacing the bulb make sure that the locator pins are lined up. License plate light bulbs can be replaced by removing the screws which is holding the lens of the license plate then pulling down the assembly to reveal the bulb. In the case of dome light assemblies pry off the lens, pull the bulb by the contacts, and reassemble in reverse.

The park/turn signal lights and side marker lights are integrated into the headlight housing, with access to the bulbs available from behind, though it may be challenging. For left-side bulbs, removing the battery may help. To replace a bulb, rotate the bulb holder counterclockwise and pull it out, then remove the bulb from the holder. In some models, the side marker light is a separate unit located in the front fender, requiring access from underneath after partially removing the inner fender splash shield. The process for installation follows the reverse order of removal. The taillight, brake, turn signal, and side marker bulbs can be accessed by removing panels in the cargo area; similarly, rotate the bulb holders counterclockwise to remove the bulbs, with installation reversing the removal steps. For the center high-mounted stop light, open the liftgate, remove the pushpins securing the bottom cover, take out the screws, lower the bulb housing, twist the bulb holder counterclockwise to remove it, and pull the bulb straight out. The installation follows the reverse order. The front overhead interior light can be removed as an assembly using a pry tool, with the bulb pulling straight out from between the terminals, and installation is the reverse. For the license plate light, use a plastic trim tool or taped screwdriver to remove the access cover on the liftgate's interior side, then remove the bulb holders and replace the bulbs, with installation reversing the removal. To replace the fog light, raise the vehicle and secure it on jackstands, remove the lower engine splash shield, twist the bulb holder from the housing, and replace the bulb, with installation following the reverse order.

When turning the front turn signal bulbs, the hood should be opened and the amber lens front turn signal should be looked for; it is the outer bulb socket. Pull out the socket by unscrewing it anti-clockwise, and pull the bulb in a manner perpendicular with respect to the direction of the socket. For the front sidemarker bulbs, there is a socket within an amber lens housing that is located at the front corners of the vehicle; if further access is required, the housing can be pulled forward at the frontmost edge. Twist the socket in the anticlockwise direction a quarter turn and pull it out and pull the bulb in the same way. Fog light bulbs, if available, are at the lower edges of the front bumper housing and can be removed from below; lift the car safely, twist the base anti-clockwise, holding it down and pull to remove. Pull out the electrical connector from the bulb and for the bulb simply twist and pull it off the socket. To replace the center-mount brake light bulbs, being by finding the assembly inside of the vehicle, retract the trim lid, and then twist the bulb socket counter clockwise to remove it. The bulb is actually permanently attached to the base so that both should be replaced together. Regarding brake, tail, turn and back up light bulbs, open the trunk or the lift gate, unscrew the trim panel then turn the socket anti-clockwise. Switch off the item and wait for some time until it is cool enough the output shaft then rotate it 1/8 clockwise so as to pull out the bulb, when replacing the bulb make sure that the locator pins are lined up. License plate light bulbs can be replaced by removing the screws which is holding the lens of the license plate then pulling down the assembly to reveal the bulb. In the case of dome light assemblies pry off the lens, pull the bulb by the contacts, and reassemble in reverse.

Install the cover.

Remove enough of the front bumper fascia retainers to lower one corner enough to access the bulbs.

To install the headlight, plug the connector in, position the headlight, and secure it with the retainer and screws.

The high mount center stop lamp is an LED assembly that requires removing one of the inner tail lamp housings, disconnecting the electrical connector, and unscrewing the assembly from the fascia. If it has a spoiler, remove the trim panel, disconnect the electrical connector, and remove the screws securing the light fixture to the spoiler.

Insert the new bulb/holder into the housing and twist it clockwise to lock it in place.

Pull the headlight housing out from the body and disconnect the electrical connectors from the bulb holders.

The air filter housing needs to be removed.

The air filter housing needs to be removed.

Start by opening the hood to access the bulb from behind the headlight housings. In some cases, you may need to remove the radiator grille to gain access.

To install the headlight, plug the connector in, position the headlight, and secure it with the retainer and screws.

For composite headlights, open the hood and remove the two headlight retainers to drop the assembly forward and down. Reach behind the assembly to turn the bulb holder counterclockwise and unplug it.

The installation process is the reverse of removal.

On 1997 and later Buick models, pull up the two retaining clips to release the headlight housing.

Install the cover.

The installation process is the reverse of removal.