How to Disconnect and Install a Car Battery

Mechanic with Tires


If your engine is slow to start, or perhaps makes clicking noises when you turn the ignition, then it might be time to replace the battery in your vehicle. Luckily, battery replacements are a fairly simple repair that most drivers around Weymouth should be able to handle themselves, thus saving a little money on your next visit to the mechanic’s shop! Read on to discover how to disconnect and install a car battery yourself. And, if you need a new battery, you can order one online with our parts shop!

How to Disconnect and Replace a Car Battery the Right Way

Starting your Norwood commute with a dead or weak battery is never a good thing. Luckily, following these simple instructions should have you back on the road in a flash!

Taking Out Your Old Battery

  • Ensure that the car is in park, the ignition is turned off, and the parking brake is engaged.
  • Locate your battery. It’s normally toward the front of the engine compartment, along either side.
  • Detach the negative (-) cable from the battery before removing the negative cable. Do not allow the wrench to touch both the negative and positive terminals at the same time.
  • Detach the positive (+) cable from the battery after the negative cable is completely disconnected.
  • Some cars have a bracket or something else holding the battery in place. You’ll need to remove it.
  • Remove the old battery. Don’t throw it in the dumpster! Batteries need to be recycled. Take it to the retailer where you bought the new battery so that you can get a refund on your core charge.

Putting in the New Battery

  • Inspect the connectors on the ends of the positive and negative cables for corrosion. Clean with a wire brush.
  • Set the new battery in place. Replace the bracket.
  • Connect the positive (+) cable first.
  • Connect the negative (-) cable second. It is very important to connect these cables in the right order to avoid a short or electrical shock.
  • Turn on the engine to test.

Get Assistance With Your Battery at Ocean Honda of Weymouth!

Most manufacturers make it fairly easy to replace a car battery – however, even the most simple of repairs can sometimes come with difficult caveats. Don’t worry, though – the experts in our service department are here to help with any issues you may run into! Save time waiting in store by scheduling an appointment online, or call us at 949-397-6758 to ask any questions you may have!


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