🔧 Battery - Replacement

Your battery is a straightforward swap on the CR-V. You’ll remove the old battery, transfer the hold-down parts, clean the terminals, and install the new one with the correct orientation so the cables reach properly.

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

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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/fob from the vehicle.
• Keep metal tools away from both battery posts at the same time.
• Disconnect the negative terminal first and reconnect it last.
• Some settings may reset after battery replacement, such as radio presets and clock.
• No battery registration is required on this model.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm socket
• 1/4-inch ratchet
• Short extension
• Battery terminal puller (specialty)
• Battery terminal brush
• Gloves
• Safety glasses
• Memory saver (optional)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• 12V battery, Group 51R - Qty: 1
• Battery terminal protectant spray - Qty: 1
• Battery terminal cleaning brush - Qty: 1

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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.
• If you use a memory saver, connect it before disconnecting the battery.
• Open the hood fully and secure it.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Access the battery

• Open the hood and locate the battery on the driver side of the engine bay.
• Remove any plastic cover if equipped.

Step 2: Disconnect the negative cable

• Use a 10mm socket and 1/4-inch ratchet to loosen the negative terminal clamp.
• Lift the negative cable off the battery post and move it aside so it cannot spring back.
• Do not let the tool touch both posts.

Step 3: Disconnect the positive cable

• Use the 10mm socket to loosen the positive terminal clamp.
• Remove the positive cable and keep it clear of the battery.

Step 4: Remove the battery hold-down

• Use the 10mm socket and short extension to remove the battery hold-down bracket.
• Remove the bracket and any retaining hardware.
• Torque to 12 Nm (106 in-lbs) on reassembly.

Step 5: Lift out the old battery

• Carefully lift the battery straight up and out of the tray.
• The battery is heavy, so use both hands.
• Keep it upright.

Step 6: Clean the battery tray and terminals

• Use a battery terminal brush to clean corrosion from the cable ends.
• Wipe the tray and hold-down area clean.
• If there is white or blue powder, wear gloves and clean it up carefully.

Step 7: Install the new battery

• Place the new Group 51R battery into the tray with the terminals in the same orientation as the old one.
• Make sure it sits flat and fully in the tray.

Step 8: Reinstall the hold-down bracket

• Use the 10mm socket to reinstall the hold-down bracket.
• Snug it evenly so the battery cannot move.
• Torque to 12 Nm (106 in-lbs).

Step 9: Connect the positive cable first

• Place the positive cable on the positive post.
• Use the 10mm socket to tighten the clamp.
• Torque to 5 Nm (44 in-lbs).

Step 10: Connect the negative cable last

• Place the negative cable on the negative post.
• Use the 10mm socket to tighten the clamp.
• Torque to 5 Nm (44 in-lbs).

Step 11: Final check

• Make sure both terminals are tight and cannot rotate by hand.
• Reinstall any battery cover removed earlier.
• Close the hood.

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✅ After Repair

• Start the engine and confirm it cranks normally.
• Check the dash for warning lights.
• Reset the clock and radio presets if needed.
• Test the headlights, wipers, and power windows.
• If the battery was disconnected long enough, drive the vehicle a short distance so idle relearns smoothly.

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💰 DIY vs Shop Cost

Shop Cost: $180-$350 (parts + labor)

DIY Cost: $120-$220 (parts only)

You Save: $60-$130 by doing it yourself!

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

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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.