How do I Replace Chevrolet Cobalt Door Locks?


The Chevrolet Cobalt's locking mechanisms are a part of the door itself. In order to access and replace a broken or faulty lock, you will need to remove the inner door trim panel from the door. Once the panel is removed, you can easily unbolt the mechanism and install a new one. It is important that you disconnect the battery beforehand in order to prevent any accidental shocks.

Things You'll Need

  • Socket wrench
  • Slotted screwdriver
  • Park the Cobalt and turn off the engine. Open the door.

  • Remove the six bolts along the edge of the inboard side of the door. Raise the window as far as it will go.

  • Pull the inner door trim panel off of the door.

  • Slide the lock cylinder retaining clip off of the lock assembly. Remove the three securing bolts from the mechanism and pry the lock assembly off of the door with a slotted screwdriver.

  • Install a replacement lock assembly and reinstall the three bolts. Reattach the retaining clip. Reattach the inner door trim panel and reinstall the six bolts.


  • "General Motors Chevrolet Cobalt & Pontiac G5 2005 thru 2009"; Haynes; 2010
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