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This guide provides instructions on how to change the car battery on Mitsubishi vehicles such as Lancer, Outlander, Galant, Eclipse, Colt, and other models.

Table of Contents



What you will notice when your Mitsubishi battery needs to be replaced.

  • Mitsubishi won't start.
  • The engine struggles to turn over.
  • Car is completely dead,

On average, a typical Mitsubishi car battery will last anywhere from 4 to 6 years.

What you will need


Changing the battery in Mitsubishi is a relatively easy process. You can handle this yourself with just a few tools and by following a few easy steps. In no time at all, you will be back on the road.

  1. Although your vehicle is most likely not running since the battery has died, ensure that it is turned off and the key is removed from the igntion on
  2. Open the hood of your Mitsubishi by pulling on the hood release under the dashboard. Use the prop bar to hold the hood open.mitbusii engine bay
  3. Locate the battery in the engine bay, driver's side.mitubishi battery location
  4. If the Mitsubishi has an air intake hose running over the top of your battery, remove it using a screwdriver. Remove the air intake on top of the battery.air intake removal Two plastic clips at the front of the air inlet need to be removed.mitubishi battery removal air intake offUse a flat head screwdriver to pry out the air inlet and pull forward.
  5. Use a 10mm wrench to loosen the top bracket nuts. Remove the bracket that holds the battery in battery bracket removalBe sure to put any screws or nuts in a safe place.
  6. Before taking the dead battery out, locate the positive and negative negative battery bracketYou will first unhook the negative cable. You will need to use your 10mm open-end wrench to loosen the nut holding the clamp.disconnect mitsubishi negative bracketOnce you have loosened it, you will be able to move it aside.
  7. Now locate the positive terminal.disconnect positive battery mitsubishi vehiles Use the 10mm tool to loosen the nut holding the clamp. Push the cable out of the way and disconnect the positive terminal. Now you should have disconnected the positive and negative clamps from the battery terminals.
  8. Now you are ready to remove your dead Mitsubishi battery removalYou will need to use extreme caution in case the battery is leaking. Battery acid is extremely corrosive and is dangerous to humans.
  9. Now that the battery is out use the battery post and terminal cleaning tool that came with your Mitsubishi. Clean them really well to get rid of any corrosive build-up that may be there.
  10. Look at the new battery. Locate the negative sign (-) and make sure you insert the new battery in the right direction.
  11. Once you place the new battery in your car, connect the positive terminal and positive cable first. Remember, you will have to slide the clamp back in place and tighten it tightly with your tools.
  12. Now you will replace the battery bracket. Make sure it fits correctly, and then tighten any screws.
  13. Connect the negative battery terminal last.
  14. Spray battery protectors on the positive and negative battery terminals.
  15. If you had to move the air intake that might have been over the battery, replace that now and make sure it is secure.
  16. You are ready to go!

Changing the battery in your Mitsubishi is an easy task that you can do yourself.

Just make sure you have a few items on hand - a 10mm tool, screwdrivers, a battery post, and a terminal cleaning tool-, and you will be all set.