Anyone done a smart fortwo battery replacement? Need tips!

Car Maintenance & Repairs
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Replacing the battery in a Smart Fortwo can be a bit tricky, but with the right guidance, you can do it yourself and save some cash!

Why Replace the Battery?

The battery in your Smart Fortwo powers all the electronics and starts the engine. If you’re experiencing issues like dim lights or trouble starting, it might be time for a new battery.

Tools You’ll Need:

  • Socket wrench set
  • Screwdriver
  • Safety gloves and glasses

Steps for Battery Replacement:

  1. Preparation: Make sure your vehicle is parked on a flat surface and the engine is off.
  2. Locate the Battery: Open the rear trunk area and find the battery underneath the cover.
  3. Remove the Old Battery:
    • Disconnect the negative terminal first (black cable).
    • Then, disconnect the positive terminal (red cable).
    • Remove any brackets or covers holding the battery in place.
  4. Install the New Battery:
    • Place the new battery in the tray.
    • Connect the positive terminal first, followed by the negative terminal.
    • Secure any brackets you removed previously.
  5. Testing: Start the car to ensure everything works properly.

Choosing the Right Battery:

When purchasing a new battery, make sure to check the specifications in your owner’s manual for the correct size and type. Most auto parts stores can help you find the right replacement.

Troubleshooting Common Issues:

  • If your car won’t start even with a new battery, check the fuses or starter motor.
  • For electrical problems, inspect the cables for corrosion.

Where to Buy:

You can find batteries at local auto parts stores, or even online. Popular brands for Smart Fortwo batteries include Bosch and Exide.

If you have any additional tips or experiences, feel free to share! Let’s help each other out!

8 Likes
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I recently replaced my Smart Fortwo battery! You’ll need a 12V, 44Ah lead-acid battery. For tools, a socket wrench set, pliers, and a screwdriver are essential. Safety gear like gloves and goggles should also be worn.

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Thanks for sharing that info! Definitely need the right battery type. Can you recommend a specific brand that worked well for you?

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I used a Bosch battery for mine, worked perfectly! Remember to disconnect the negative terminal first to avoid sparks. It’s a small detail but crucial.

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Pretty much standard safety gear: gloves and goggles should suffice. You might get battery acid on your hands, so it’s better to be safe.

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That’s good advice! What safety gear do you recommend?

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Don’t forget about the wrench sizes! You’ll need a 10mm for the battery terminals and possibly larger for other components. Double-check your tools before starting.

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Great tip! Does anyone know if there’s a specific procedure or order to follow when replacing it?

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Yes, the order is key! Disconnect the negative terminal, then the positive. After replacing the battery, connect the positive first, then the negative. Simple but essential!

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I actually had a nightmare with my first battery change because I did it all wrong! Always remember the right order, or you’ll learn the hard way!

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Haha, learned it the hard way, eh? I’ve been there! But I have to ask, do you really need special tools for the Smart Fortwo?

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Not really! Standard tools usually do the trick. Just make sure you have a reliable multimeter to check the voltage after the replacement. Better safe than sorry!

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Replacing the battery on a Smart Fortwo can be tricky! Start by ensuring you have the right tools: a socket set, safety gloves, and eye protection. Always disconnect the negative terminal first.

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Great tips! Make sure to check the battery specs too. You don’t want to put in a battery that’s the wrong size or type!

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I’ve done this a couple of times. Make sure to sketch the wiring layout before disconnecting it—that’ll save you a headache later! And don’t forget to reset your clock afterwards.

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That’s a fantastic tip! A little prep goes a long way in making the process smoother.

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Safety first! Ensure the engine is off and the car is in park. You might also want to wear rubber gloves while handling the battery to avoid any shocks.

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There’s nothing like the satisfaction of doing it yourself! Did anyone have issues with the battery tray? Mine was a bit corroded and needed some cleaning before I could fit the new battery.

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Yes! Mine had some rust too. I ended up using a wire brush to clean it up. A little effort there makes a big difference!

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When you install the new battery, remember: positive first, negative second! It’s a small detail but crucial for avoiding any short circuits.

2 Likes