How to Replace Headlight Bulb 2005-2010 Chevy Cobalt

By | February 18, 2023

How to Replace Headlight Bulb 2005-2010 Chevy Cobalt

Replacing the headlight bulb on a 2005-2010 Chevrolet Cobalt is an easy task that falls in the DIY category.
How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Overview
The headlight assembly needs to be removed, which is held in place with two 10mm bolts.

Removing the headlight assembly is sometimes easier than removing the center plastic from the bumper.
How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Overview 2
While not necessary; removing the three plastic tabs allows the headlight assembly to be removed and installed back much easier.

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 Headlight Bulb Needed 2005-2010 Chevy Cobalt

  • 9007 Headlight Bulb
  • 10mm socket
  • Flathead Screwdriver

A 10mm socket or wrench is needed to remove two bolts.

A Flathead screwdriver may also be needed to help remove parts.

NOTE: 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 bulb’s life.

How to Replace Headlight Bulb 2005-2010 Chevy Cobalt

  1. Open the hood and locate the headlight assembly.
  2. Remove the two 10mm bolts on the top of the headlight assembly.
  3. How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Step 2

  4. Pull the headlight assembly out by pushing down on the bumper and removing it.
  5. How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Step 3

  6. At the back of the headlight assembly remove the bulb. (The one on the right is the headlight bulb)
  7. How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Step 4

  8. Remove the eclectic plug from the bulb assembly. (There are two clips on the sides.)
  9. How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Step 5

  10. Remove the headlight bulb from the retainer turning counterclockwise.
  11. How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Step 6

  12. Insert the new Bulb.
  13. How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Step 7

  14. Insert the retainer and turn it clockwise to lock the bulb in place.
  15. How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Step 8

  16. Push the electrical plug on to the new bulb.
  17. How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Step 9

  18. Install the headlight assembly back into place.
  19. How to Replace Headlight Bulb 2005-2010 Chevy Cobalt Step 10

  20. Install the two 10mm bolts.
  21. Test the lights which should now work.

Summary
It is not difficult to replace the headlight bulb on a 2005-2010 Chevy Cobalt 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.

Remember not to touch the bulb itself with your hands, as it will cause a hot spot that burns the bulb out faster than usual.

Bob Thomas
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