Can’t start your Mazda 3 due to a dead battery? Learn how to fix the problem by replacing the dead battery of your Mazda 3. This guide is a step-by-step procedure for replacing the battery on a 2013-2018 Mazda 3 3rd Gen.

What you will need

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  • 12V Car Battery
    • Group size: 35 or 21R
    • CCA: Min 500 Amperes
  • 10mm socket wrench or 10mm wrench

Procedure

  1. Unlock the vehicle and pull the hood release under the dashboard.Pulling the hood release of the 2016 Mazda 3.
  2. Go to the vehicle’s front and unlock the hood latch.The hood latch of the Mazda 3
  3. Pull the hood up and set the hood strut to hold the hood open.Setting the hood strut to hold the hood.
  4. Locate the battery on the driver’s side of the engine compartment.The battery of the Mazda 3.
  5. Loosen the 10mm bolts on the battery terminals and pull them out from the battery posts to disconnect. Disconnect the negative battery terminal first. Loosening the 10mm bolts on the battery terminals.
    Disconnecting the battery terminals.

  6. Loosen the 10mm bolts on the J hooks and battery bracket.Loosening the 10mm bolts on the battery bracket and j hook.
    Loosening the 10mm bolts on the battery bracket and j hook.

  7. Detach the J hooks from the battery tray.Removing the J hooks and battery bracket.
  8. Carry the battery out from the vehicle.Removing the battery from the battery tray.
  9. Clean the battery tray using a vacuum.Cleaning the battery tray using a vacuum.
  10. Get the new battery and place it on the battery tray.Installing the new battery of the 2016 Mazda 3.
  11. Reinstall the protective battery shield by sliding it into the new battery.Reinstalling the protective shield of the battery.
  12. Attach the J hooks on the battery tray and tighten its 10mm bolts.Reinstalling the j hooks and battery bracket back to the vehicle.
    Tightening the 10mm bolts on the j hook.

  13. Reconnect the battery terminals and tighten the 10mm bolts. Connect the positive battery terminal first. Connect the negative battery terminal last. Reconnecting the terminals of the battery.
    Reconnecting the terminals of the battery.

We hope you find the Battery Replacement Mazda 3 2013-2018 guide helpful. Check these troubleshooting and repair guides for more help on your Mazda.

Author

  • Rushit Hila • ASE Certified

    Rushit Hila, an ASE-certified engineer (G1 Automotive Maintenance and Repair), brings over two decades of hands-on experience in the automotive world to his writing. With a strong educational background, including a Master of Science in Engineering and a Bachelor of Science in Engineering, he has honed his skills and expertise through years of practical work. As a respected authority in the field, Mr. Hila is dedicated to offering insightful and valuable content that resonates with both vehicle owners and mechanics.

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