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2021 Honda Accord Battery Replacement (Car)

Complete guide to 2021 Honda Accord battery replacement (car). Cost estimates, difficulty level, time required, and environmental impact.

💰 Cost:$100 - $200
⏱️ Time:30 min
🌍 CO₂ Saved:5785 kg

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💰 Cost Breakdown

Parts$60 - $120
Labor$40 - $80
Total Estimated Cost$100 - $200

💡 Tip: Costs vary by location and repair shop. Authorized service centers typically charge more than independent repair shops.

🔧 Repair Overview

Battery Replacement (Car) is one of the most common repairs for 2021 Honda Accord. This repair involves replacing the damaged electrical component with a new or refurbished part. The process typically takes 30 min and requires easy skill level.

🔧 Required Tools

What You'll Need

  • Replacement electrical part (OEM or aftermarket)
  • Precision screwdriver set (Phillips #000 or pentalobe)
  • Opening tools (plastic spudger, suction cup)
  • Adhesive strips or glue
  • Clean workspace with good lighting

Step-by-Step Process

Step 1:

Step 1 - Image 1
Step 1 - Image 2

Locate the latch to open your hood, normally located by your left foot when sitting in the driver's seat.

After lifting the latch, open your hood and securely hold it up.

Step 2:

Step 2 - Image 1
Step 2 - Image 2

You will lose your radio station presets and clock time if you do not use a Memory Saver. One will NOT be used in this guide.

The battery is located on the front driver's side of the vehicle.

Begin using your ratchet to loosen and remove the negative (black) cable from the terminal.

You can use a rag or towel to cover the cable in order to prevent a short.

Step 3:

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Step 3 - Image 2

Loosen and remove the positive (Red) cable from the terminal.

Step 4:

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Remove the cross-bar that holds the battery in place by loosening both bolts.

Lift out the bracket.

Step 5:

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Remove the battery by lifting it straight up and out.

Avoid tilting the battery in order to prevent an acid spill.

Step 6:

Step 6 - Image 1

Replace with a new battery.

Secure the battery cover back in place.

Step 7:

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Place the cross-bar back in place.

When placing the cross-bar back in, make sure the bars are properly hooked into place.

Step 8:

Step 8 - Image 1
Step 8 - Image 2

Repeat the steps in reverse order to properly secure battery.

Step 9:

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Start your car in order to make sure all of your electronic components are working properly.

📖 Repair guide provided by iFixit - The free repair manual. Licensed under CC BY-NC-SA 3.0.

iFixit Difficulty: Easy | Time: NaNh NaNm

DIY vs Professional Repair

✋ DIY Repair

  • ✅ Lower cost (parts only: $60-$120)
  • ✅ Learn new skills
  • ❌ Risk of further damage
  • ❌ No warranty
  • ❌ Requires tools and time

🔧 Professional Repair

  • ✅ Expert installation
  • ✅ Warranty included
  • ✅ Faster turnaround
  • ❌ Higher cost ($100-$200)
  • ❌ Need to find reputable shop

Environmental Impact

By choosing to repair your 2021 Honda Accord instead of replacing it, you're preventing approximately 5785 kg of CO₂ emissions. Manufacturing a new 2021 Honda Accord generates 5800 kg of CO₂, while this repair only produces about 15 kg of CO₂. That's a 100% reduction in carbon emissions!

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