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.
Back-Up Lamps (Coupe)
Replacement BulbsChevrolet Cobalt Service & Repair Manual. Alternator Pulley, Replace
Caution: Wear suitable eye
protection and heavy leather gloves when removing and installing pulley.
Do not remove or install pulley
with alternator in upright position.
Removal
1.
Remove alternator as outlined in "Alternator/Generat ...