Why won’t my Sierra 3500 HD battery hold a charge?

A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop in for a free battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.

What happens to my old Sierra 3500 HD battery?

We recycle it, taking care of both your car and the Earth.

How much do DieHard batteries cost for your GMC Sierra 3500 HD?

You can find affordable Sierra 3500 HD batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.

What is the average lifespan of a car battery?

A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.

What is the white, crusty stuff around my Sierra 3500 HD’s battery post?

If you notice white, crusty stuff around the battery terminals of your Sierra 3500 HD, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your Sierra 3500 HD’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.

How do I clean corrosion off my Sierra 3500 HD vehicle battery?

You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your Sierra 3500 HD owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.

Who carries Sierra 3500 HD batteries near me?

When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install Sierra 3500 HD batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.

2023 GMC Sierra 3500 HD Car Batteries

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Get a Battery for Your GMC Sierra 3500 HD

Don't let a failing battery slow you down. Shop replacement batteries for 2023 GMC Sierra 3500 HDs today and schedule a quick installation at Firestone Complete Auto Care.

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Battery Size & Replacement for 2023 GMC Sierra 3500 HD

Researching battery replacements for your GMC Sierra 3500 HD? Use the following chart to find information on GMC Sierra 3500 HD battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
94RH7	V8/6.6L	Replacement 36 months	Performance months	800
H7-AGM	V8/6.6L	Replacement 36 months	Performance months	850

BATTERIES
V8/6.6L - Battery: 94RH7 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/6.6L - Battery: H7-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 850

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Buy the Right Battery for Your GMC Sierra 3500 HD

Your Sierra 3500 HD doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. You want to replace your 2023 GMC Sierra 3500 HD battery before it fails and leaves you stranded. Pay attention to clues that your battery is on its way out. A slow engine crank, a blinking battery or check engine light, swollen battery case, corroded battery terminals, or weak lights can all be signs that your battery is waving goodbye.

Plus, at Firestone Complete Auto Care, we’ll test your battery for free. With computerized testing we can see how much charge is left in your battery. Drop in for a free battery check and, if needed, get your GMC Sierra 3500 HD a replacement battery. Car batteries are one of our many specialties! Our technicians are well-acquainted with GMC’s service specs for Sierra 3500 HD battery CCAs and reserve capacity. Get help choosing the battery size that fits your car perfectly, and schedule a fast car battery replacement at your earliest convenience.

Why Choose a DieHard Battery for Your Sierra 3500 HD?

We know what’s best for your GMC Sierra 3500 HD, which is why we carry just that. Your vehicle needs a reliable, durable and powerful battery in even the most extreme conditions. DieHard Sierra 3500 HD batteries surpass expectations using the latest innovative technology to meet the growing power requirements of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Choose a DieHard battery for your GMC Sierra 3500 HD and drive with confidence knowing that performance will be there when you're counting on it. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New GMC Sierra 3500 HD Battery

Have you recently had a fresh battery installed in your GMC Sierra 3500 HD? Congrats! Now, help it last longer and stay charged by caring for it from the get-go. Give your new battery a hand by limiting short trips, keeping your battery posts clean, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked Sierra 3500 HD Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a battery question that's unique to your GMC Sierra 3500 HD battery, pay us a visit. Our expert techs have the answers you need.

Why won’t my Sierra 3500 HD battery hold a charge? A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop in for a free battery check at your local Firestone Complete Auto Care to learn more about the state of your battery.
What happens to my old Sierra 3500 HD battery? We recycle it, taking care of both your car and the Earth.
How much do DieHard batteries cost for your GMC Sierra 3500 HD? You can find affordable Sierra 3500 HD batteries by using one of our car battery coupons, when available. Plus, every DieHard battery comes with extra coverage thanks to DieHard Assurance and a free replacement warranty.
What is the average lifespan of a car battery? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
What is the white, crusty stuff around my Sierra 3500 HD’s battery post? If you notice white, crusty stuff around the battery terminals of your Sierra 3500 HD, it's likely corrosion. A chemical reaction between battery acid and the air can create a white, powdery substance that builds up over time on the terminals. This buildup can interfere with the electrical connection between the battery and your Sierra 3500 HD’s electrical system, potentially leading to poor performance, difficulty starting, and other issues.
How do I clean corrosion off my Sierra 3500 HD vehicle battery? You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your Sierra 3500 HD owner's manual to learn how to disconnect the battery cables. After disconnecting the cables, use a mixture of water and baking soda, a wire brush, and a rag to carefully clean the terminals.
Who carries Sierra 3500 HD batteries near me? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install Sierra 3500 HD batteries at our stores nationwide — and our Firestone Direct mobile vans can provide convenient on-site battery services. Learn more about our mobile battery services and book an appointment.