🔧 Sequoia - Battery Replacement

This job replaces the 12-volt battery in your Sequoia and restores reliable starting power. On this truck, the battery is under the hood, so the swap is straightforward if you follow the cable order and secure the hold-down 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 off, remove the key/fob from the vehicle, and keep doors closed while working.
• Disconnect the negative (-) cable first and reconnect it last to prevent short circuits.
• Do not let a wrench touch both battery terminals or a terminal and body metal at the same time.
• If the battery has a vent tube, transfer it to the replacement battery before final install.

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🔧 Required Tools

You'll need the following tools for this repair:

• 10mm wrench
• 12mm socket
• 3/8-inch ratchet
• Battery terminal puller (specialty)
• Battery brush
• Gloves
• Safety glasses

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• 12V battery, Group 24F - Qty: 1
• Battery terminal anti-corrosion washers - Qty: 2

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📋 Before You Begin

• Park on level ground and set the parking brake.
• Make sure all lights, accessories, and the ignition are off.
• Save radio presets and any custom settings before disconnecting power.

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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 in the engine bay.
• Remove any plastic cover or intake duct that blocks access, using the appropriate hand tools if equipped.

Step 2: Disconnect the negative cable

• Use a 10mm wrench to loosen the negative terminal clamp.
• Lift the cable off the battery post and move it aside so it cannot spring back.
• Keep the wrench clear of metal parts.

Step 3: Disconnect the positive cable

• Use a 10mm wrench to loosen the positive terminal clamp.
• Remove the cable from the post and tuck it safely away from the battery.

Step 4: Remove the hold-down

• Use a 12mm socket and 3/8-inch ratchet to remove the battery hold-down bracket.
• Lift the bracket out and keep the hardware together.

Step 5: Remove the old battery

• Lift the battery straight up and out of the tray. It is heavy, so use both hands.
• If it is stuck, use a battery terminal puller (specialty) only if needed on tight terminals.

Step 6: Clean the tray and terminals

• Use a battery brush to clean corrosion from the cable clamps and tray area.
• Make sure the tray is dry and free of debris before installing the new battery.

Step 7: Install the new battery

• Place the new battery in the tray with the terminals in the same orientation as the original.
• Install the hold-down bracket and tighten it with a 12mm socket.
• Torque to 13 Nm (9 ft-lbs).

Step 8: Connect the positive cable

• Install the positive cable first using a 10mm wrench.
• Make sure the clamp sits fully down on the post, then snug it securely.
• Torque to 5 Nm (44 in-lbs).

Step 9: Connect the negative cable

• Install the negative cable last using a 10mm wrench.
• Snug the clamp securely so it does not rotate on the post.
• Torque to 5 Nm (44 in-lbs).

Step 10: Final check

• Confirm both clamps are tight and the battery cannot move in the tray.
• Reinstall any covers or ducts you removed.
• Close the hood.

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✅ After Repair

• Start the engine and confirm normal cranking.
• Check that the dash warning lights go out after startup.
• If your clock or audio presets reset, re-enter your settings.
• Drive for a few minutes so the charging system can stabilize.

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💰 DIY vs Shop Cost

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

DIY Cost: $140-$240 (parts only)

You Save: $80-$140 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.