How to Change a Mazda 6 Battery

Written by joe lewis
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How to Change a Mazda 6 Battery
Most sedans use a standard 12-volt battery. (dead battery image by Katrina Miller from

The Mazda 6 is a mid-sized car introduced to Mazda's vehicle line-up in 2002. The vehicle comes with four, five or six-speed transmissions, either standard or automatic. Mazda 6 owners who have owned their vehicles for five years or more should strongly consider new batteries. Consistent cold temperatures can also create the need for battery replacement.

Skill level:

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Things you need

  • Adjustable wrenches (1/2-inch and 5/16-inch)
  • Flathead screwdriver
  • Pliers
  • Mixture of baking soda and water
  • Toothbrush

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  1. 1

    Shut down the engine on the Mazda 6 and pop open the bonnet.

  2. 2

    Loosen the mounting bracket using an adjustable wrench or a set of pliers. Remove the mounting bracket.

  3. 3

    Remove the battery terminals, starting with the positive and moving to the negative. This may require loosening them with a 1/2-inch wrench.

  4. 4

    Clean any corrosion from the terminals with a toothbrush soaked in water and baking soda.

  5. 5

    Take out the dead battery and place the new battery on the battery tray.

  6. 6

    Tighten the battery terminals on the appropriate battery posts of the new battery. Place the mounting bracket in its original position and tighten it down. Close the bonnet.

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