🔧 Battery - Replacement

Your Explorer uses a 12-volt starting battery under the hood. Replacing it means disconnecting the old battery, removing the hold-down, swapping the battery, then reconnecting everything in the correct order. If your new battery is a different type, the vehicle may not charge it correctly.

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 fully off and remove the key or fob from the vehicle.
• Disconnect the negative terminal first to reduce the chance of a short circuit.
• Do not let a wrench touch both battery terminals or a terminal and body metal at the same time.
• If your Explorer has a battery monitoring system, keep the old battery type and size matched to the replacement.
• After installation, make sure the battery is clamped down tightly so it cannot move.

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🔧 Required Tools

You'll need the following tools for this repair:

• 8mm socket
• 10mm socket
• Ratchet
• Short extension
• Battery terminal puller (specialty)
• Gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• 12V replacement battery - Qty: 1
• Battery terminal protection spray - Qty: 1

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Turn off lights, radio, HVAC, and all accessories.
• Open the hood and locate the battery under the hood.
• Have the new battery ready before you disconnect the old one.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Access the battery

• Open the hood and remove any engine cover or intake duct that blocks access to the battery.
• Use the 8mm socket or 10mm socket if fasteners are holding the cover or duct in place.
• Set all clips aside carefully.

Step 2: Disconnect the negative cable

• Use the 10mm socket to loosen the negative battery terminal clamp.
• Lift the negative cable off the battery post and move it aside so it cannot spring back.
• Make sure the cable cannot touch the battery terminal while you work.

Step 3: Disconnect the positive cable

• Use the 10mm socket to loosen the positive battery terminal clamp.
• Remove the positive cable and set it aside.
• If there is a cover on the positive terminal, remove it first.

Step 4: Remove the battery hold-down

• Use the 10mm socket and ratchet to remove the battery hold-down bracket or clamp.
• Keep the bolt and bracket together so nothing is lost.
• Torque to 9 Nm (80 ft-lbs) on reassembly.

Step 5: Lift out the old battery

• Lift the battery straight up and out of the tray. Batteries are heavy, so use both hands.
• If the battery sticks, wiggle it gently side to side.
• Keep the battery upright.

Step 6: Clean the tray and terminals

• Inspect the battery tray for corrosion or dirt.
• Clean any corrosion from the terminal ends and tray area.
• If needed, use battery terminal protection spray on the cable ends after cleaning.

Step 7: Install the new battery

• Set the new battery into the tray with the terminals in the same orientation as the old battery.
• Make sure it sits flat and fully in the tray.
• Reinstall the hold-down bracket with the 10mm socket.
• Torque to 9 Nm (80 ft-lbs).

Step 8: Reconnect the positive cable

• Install the positive battery cable first using the 10mm socket.
• Tighten the clamp securely.
• Torque to 5 Nm (44 in-lbs).

Step 9: Reconnect the negative cable

• Install the negative battery cable last using the 10mm socket.
• Tighten the clamp securely.
• Torque to 5 Nm (44 in-lbs).

Step 10: Reassemble and verify

• Reinstall any intake duct, cover, or removed trim using the 8mm socket or 10mm socket.
• Make sure all clips and fasteners are fully seated.
• Close the hood.

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✅ After Repair

• Start the engine and confirm it cranks normally.
• Check the dash for warning lights.
• Reset your clock, radio presets, and any saved settings if needed.
• Let the vehicle idle for a few minutes and recheck that the battery terminals stay tight.

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💰 DIY vs Shop Cost

Shop Cost: $250-$450 (parts + labor)

DIY Cost: $150-$250 (parts only)

You Save: $100-$200 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.