How to Replace Headlight Bulb 2014 GMC Sierra

The driver side is much easier to replace compared to the passenger side which needs the air box removed.

As always if in doubt take your vehicle to a professional.

Below are the steps with screenshots to replace them along with a video if needed for a visual walk-through.

Tools and Parts Needed

• New 9012 Headlight Bulb
• Screw driver

No tools are needed when replacing the headlight bulb on the driver side.

A Screw driver is needed to remove the air box on the passenger side.

Headlight Bulb Type for 2014 GMC Sierra

• 9012 Headlight Bulb

The 2014 GMC Sierra uses a 9012 headlight bulb for both the low-beam and high-beam.

Replacement bulbs can be bought online or a local auto parts store.

Always verify your car year, make, and model when buying any car parts to be sure it matches.

Also, verify the old bulb when it is removed from the car with the new bulb.

When replacing any headlight bulb be sure not to touch the bulb itself with your fingers, as oil from your hands can create a hot spot that shortens the life of the bulb.

How to Replace Headlight Bulb 2014 GMC Sierra (Driver side)

1. Open the hood and locate the bulb behind the headlight assembly.



2. Remove the headlight bulb cover turning counter clockwise.



3. Remove the electrical plug.
4. Remove bulb turning counter clockwise.
5. Insert new bulb turning clockwise.
6. Reattach electrical plug.
7. Reattach headlight bulb cover turning clockwise.
8. Test the light which should now work.

 
How to Replace Headlight Bulb 2014-2018 GMC Sierra (Passenger side)

Summary
It is not difficult to replace the headlight bulb on a 2014 GMC Sierra but call a knowledgeable friend or professional if in doubt.

Climates age cars differently which can affect bolts being rusted or other possible problems.

A vehicle that was in an accident may also have some type of unforeseen problem.