To replace one of these bulbs:
1. Remove the two screws holding each of the license plate lamps.
2. Turn and pull the license plate lamp toward you through the opening.
3. Turn the bulb socket counterclockwise and pull the bulb straight out of the socket.
4. Install the new bulb.
5. Push the bulb straight into the socket and turn clockwise to reinstall.
6. Push and turn the license plate lamp away from you through the opening.
7. Reinstall the two screws holding the license plate lamp.
Chevrolet Cobalt Service & Repair Manual. Adjustments
These brakes have self-adjusting
shoe mechanisms that ensure proper lining-to-drum clearances at all times.
The automatic adjusters operate only when the brakes are applied as the
vehicle is moving rearward.
An initial adjustment is required
after the brake shoes ...