🔧 Battery - Replacement

The battery in your Accord is straightforward to replace. You’ll remove the hold-down, disconnect the terminals in the correct order, swap in the new battery, and then recheck the connections. This is a beginner-friendly job, but you must avoid shorting the terminals and handle the battery carefully.

Difficulty Level: Beginner | Estimated Time: 0.5-1 hours

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⚠️ Safety & Precautions

• Wear safety glasses and gloves. Battery acid can burn skin and eyes.
• Turn the ignition off and remove the key or fob from the vehicle.
• Disconnect the negative terminal first to reduce short-circuit risk.
• Do not let a wrench touch both battery terminals or a terminal and metal body at the same time.
• The battery is heavy. Lift with both hands and keep it upright.
• No battery disconnect is required beyond removing the battery cables for this repair.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm wrench
• 10mm socket
• Ratchet
• Battery terminal brush
• Battery terminal protector spray
• Gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• 12V battery - Qty: 1
• Battery terminal protectors - Qty: 1 set

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Make sure the ignition is off and all lights are off.
• Open the hood and locate the battery on the passenger side of the engine bay.
• If your radio or presets matter, have your settings ready in case they need to be reset.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Open the hood and access the battery

• Pull the hood release inside the cabin, then release the hood latch and secure the hood.
• Locate the battery and the hold-down bracket on the passenger side.

Step 2: Disconnect the negative terminal

• Use a 10mm wrench to loosen the negative battery terminal clamp.
• Remove the cable from the post and move it aside so it cannot spring back.
• Keep the cable away from metal.

Step 3: Disconnect the positive terminal

• Use a 10mm wrench to loosen the positive terminal clamp.
• Remove the cable and keep it clear of the battery tray and body metal.

Step 4: Remove the battery hold-down

• Use a 10mm socket and ratchet to remove the battery hold-down bracket bolts.
• Lift the bracket out and set it aside.

Step 5: Lift out the old battery

• Lift the battery straight up and out of the tray.
• Set it on a level surface. Batteries are heavy, so use both hands.

Step 6: Clean the tray and terminals

• Use a battery terminal brush to clean corrosion from the cable ends and battery tray area.
• Wipe away any dirt or residue before installing the new battery.

Step 7: Install the new battery

• Set the new battery into the tray in the same orientation as the old one.
• Reinstall the hold-down bracket with the 10mm socket and ratchet.
• Torque to snug plus 1/4 turn if no service torque is available; do not overtighten.

Step 8: Connect the positive terminal first

• Install the positive cable on the positive post.
• Use a 10mm wrench to tighten the clamp securely.
• Torque to 8 Nm (71 in-lbs) if you have an inch-pound wrench.

Step 9: Connect the negative terminal

• Install the negative cable on the negative post.
• Use a 10mm wrench to tighten the clamp securely.
• Torque to 8 Nm (71 in-lbs) if you have an inch-pound wrench.

Step 10: Apply protection and test

• Spray a light coat of battery terminal protector spray on both terminals.
• Start the engine and confirm it cranks normally.
• Check that no warning lights appear and that both terminal clamps are tight.

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✅ After Repair

• Reset your clock and radio presets if needed.
• Check that the battery is secure and does not move in the tray.
• If the engine cranks slowly, recheck terminal tightness before driving.
• Drive normally for a few miles so the charging system can stabilize the new battery.

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💰 DIY vs Shop Cost

Shop Cost: $220-$380 (parts + labor)

DIY Cost: $140-$220 (parts only)

You Save: $80-$160 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.5-1 hours.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.