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How to Replace the Battery in a Chevy Cobalt

by Contributor

General Motors introduced its front-wheel drive Chevy Cobalt in 2005 to lead its small car division after discontinuing the Chevy Corvair. The Cobalt comes with a maintenance-free battery with run-down protection, which shouldn't need replacing before at least five years. A white, chalky substance is one indicator that the battery needs replacing.

Step 1

Find the battery mounted in the trunk on the driver's side, beside the spare tire. Remove the cable ends from the battery terminals with a battery terminal puller. Take off the negative terminal first.

Step 2

Remove the cover and disconnect the harness that holds the battery in place.

Step 3

Lift the battery out of the compartment and use a wire brush to clean the surface that holds the battery. Use a damp cloth to wipe off excess acid.

Step 4

Detach the cable ends from the battery terminals with a battery terminal puller. Clean the insides of the connector cables with a pointed wire brush. Wear gloves to avoid getting acid on your hands.

Place the new battery on the shelf and attach the correct cable on each terminal. Tighten the cables securely with pliers or a socket wrench. Replace the battery holder and cover.


  • Dispose of the old battery properly at an auto parts store or recycling center.


  • Never smoke when replacing a battery.
  • Be careful not to let acid splash on you when you are cleaning acid.

Items you will need

  • New 16-volt battery
  • Battery terminal puller
  • Wire brushes
  • Flathead screwdriver
  • Cloth
  • Gloves
  • Socket wrench

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