Headlamp Assembly or Headlamp Bulb Replacement Old Style

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:

Notice: Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause the bulb to explode when the bulb is turned on. If either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and wipe the bulb dry.

1. Open the hood. Rotate the headlamp retainer pins.



2. Remove the headlamp retainer pins.
3. Pull out the headlamp assembly in order to access the electrical connector.
4. Disconnect the electrical connector.



5. Remove the bulb from the headlamp assembly by twisting the bulb counterclockwise.

Important: 

•	Replace a high beam bulb with another high beam bulb. The high beam bulb has a red gasket.

•	Replace a low beam bulb with another low beam bulb. The low beam bulb has a gray tip and a yellow gasket at the base.

1. Install the new bulb to the headlamp assembly by twisting the bulb clockwise in order to lock in place.
2. Connect the electrical connector to the bulb.
3. Install the headlamp assembly.



4. Install the headlamp retainer pins.



5. Rotate and lock the pins in place.
6. Inspect the operation.

Headlamp Assembly or Headlamp Bulb Replacement New Style GMC

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:

Notice: Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause the bulb to explode when the bulb is turned on. If either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and wipe the bulb dry.

1. Open the hood.



2. Remove the upper grille baffle.



3. Remove the headlamp assembly retaining pin.



4. Pull the headlamp assembly from the vehicle, and disconnect the headlamp bulb connectors.
5. Remove the headlamp assembly from the vehicle.



6. If replacing the headlamp bulb, twist the bulb counterclockwise and remove from headlamp assembly.

1. If replacing the headlamp bulb, install the bulb to the headlamp assembly and twist clockwise to lock in place.



2. Align the headlamp assembly to the vehicle, and connect the headlamp electrical connectors.



3. Install the headlamp assembly retaining pin, making sure that the pin is fully seated and set in place in the retaining groove.



4. Install the upper grille baffle.
5. Close the hood.

Headlamp Assembly or Headlamp Bulb Replacement New Style Chevy

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:

Notice: Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause the bulb to explode when the bulb is turned on. If either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and wipe the bulb dry.

1. Open the hood.



2. Remove the upper grille baffle.



3. Remove the headlamp assembly retaining pin.



4. Pull the headlamp assembly from the vehicle, and disconnect the headlamp bulb connectors.
5. Remove the headlamp assembly from the vehicle.



6. If replacing the headlamp bulb, twist the bulb counterclockwise and remove from headlamp assembly.

1. If replacing the headlamp bulb, install the bulb to the headlamp assembly and twist clockwise to lock in place.



2. Align the headlamp assembly to the vehicle, and connect the headlamp electrical connectors.



3. Install the headlamp assembly retaining pin, making sure that the pin is fully seated and set in place in the retaining groove.



4. Install the upper grille baffle.
5. Close the hood.

Headlamp Assembly or Headlamp Bulb Replacement GMC Diesel Pickup Only

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:

Notice: Avoid touching the bulb or letting the bulb come in contact with anything damp. Oil from your skin or moisture on the bulb can cause the bulb to explode when the bulb is turned on. If either comes in contact with the bulb, clean the bulb with alcohol or a suitable degreaser and wipe the bulb dry.

1. Open the hood.



2. Remove the upper grille baffle.



3. Remove the headlamp assembly retaining pin.



4. Pull the headlamp assembly from the vehicle, and disconnect the headlamp bulb connectors.
5. Remove the headlamp assembly from the vehicle.



6. If replacing the headlamp bulb, twist the bulb counterclockwise and remove from headlamp assembly.



7. Remove the seal from the headlamp.

Important: The water intrusion seal has small retainers that attach onto the headlamps features.

1. Position the seal to the headlamp.
2. Install the seal starting from the lower outboard corner and work around the headlamp counterclockwise facing the lamp.



3. If replacing the headlamp bulb, install the bulb to the headlamp assembly and twist clockwise to lock in place.



4. Align the headlamp assembly to the vehicle, and connect the headlamp electrical connectors.



5. Install the headlamp assembly retaining pin, making sure that the pin is fully seated and set in place in the retaining groove.



6. Install the upper grille baffle.
7. Close the hood.