Why doesn’t my Envoy battery stay charged?

A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you may have been leaving your car doors ajar and the lights on overnight. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care to learn more about the state of your battery.

What happens to my old Envoy battery?

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

How much will replacing my GMC Envoy’s battery cost if I get a DieHard battery?

You can find affordable Envoy 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.

How long can I expect my car battery to last?

Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.

Why is there white, crusty buildup on my Envoy’s battery post?

The white, crusty stuff that can accumulate around Envoy car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.

How do I remove corrosion from my Envoy car battery?

Regularly inspecting and cleaning your battery terminals will help keep your Envoy’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.

Where can I find a battery for my Envoy?

At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install Envoy batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.

Car Batteries for 2004 GMC Envoy

Get a New GMC Battery

Get a Battery for Your GMC Envoy

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 2004 GMC Envoy today and schedule a quick installation at Firestone Complete Auto Care.

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2004 GMC Envoy Battery Replacement & Size

Not sure what battery to get for your GMC Envoy? Use this chart to find the right battery size and CCAs for your GMC Envoy.

Battery	Engine	Warranty		Cold Cranking Amps
78-1	L6/4.2L	Replacement 24 months	Performance months	700
78FT-2	L6/4.2L	Replacement 36 months	Performance months	800
78-AGM	L6/4.2L	Replacement 36 months	Performance months	740

BATTERIES
L6/4.2L - Battery: 78-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 700
L6/4.2L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
L6/4.2L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740

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Buying a Replacement Battery for GMC Envoy

Your Envoy doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. Don’t get stranded by your Envoy’s car battery. Replace it regularly instead! Watch for signs that your current battery is getting too old or too weak. A lagging starter, an illuminated check engine light or battery signal, swollen battery case, corrosion-covered posts, or weak lights may all indicate that your battery is on its last leg.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. 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 Envoy a replacement battery. Car batteries are only one of our many strong suits. Our technicians are familiar with GMC-specific recommendations for Envoy battery cold cranking amps and reserve capacity. Get help figuring out the battery size that's best for your Envoy, and schedule an appointment today for a quick car battery replacement.

Is There a DieHard Battery for Envoys?

We know what’s best for your GMC Envoy, which is why we carry just that. Your Envoy needs a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard batteries shatter expectations using state-of-the-art advancements to fuel the expanding power demands of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Buy a DieHard battery for your GMC Envoy and drive with confidence knowing that performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

Caring for a New GMC Envoy Battery

Have you recently had a fresh battery installed in your GMC Envoy? Great job! Give your new car battery the best start with proper care. flipping the dome lights and headlights off when exiting the car, decreasing the number of short trips you take, keeping your battery posts clean, and avoiding radio and electronic component use when the engine is off.

Answers to Your Envoy Car Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have battery questions that are GMC Envoy-specific, pay us a visit. Our technicians are happy to help.

Why doesn’t my Envoy battery stay charged? A battery is in its final hour when it will no longer hold a charge. The battery may be too old. Or, you may have been leaving your car doors ajar and the lights on overnight. Stop by for a complimentary battery check at your nearest Firestone Complete Auto Care to learn more about the state of your battery.
What happens to my old Envoy battery? We recycle it, taking care of both your car and the Earth.
How much will replacing my GMC Envoy’s battery cost if I get a DieHard battery? You can find affordable Envoy 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.
How long can I expect my car battery to last? Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.
Why is there white, crusty buildup on my Envoy’s battery post? The white, crusty stuff that can accumulate around Envoy car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.
How do I remove corrosion from my Envoy car battery? Regularly inspecting and cleaning your battery terminals will help keep your Envoy’s electrical system running smoothly. Before cleaning, reference your owner’s manual for instructions on how to disconnect the battery cables. Once the cables have been disconnected, gently clean the terminals with a mixture of water and baking soda, a wire brush, and a rag.
Where can I find a battery for my Envoy? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install Envoy batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.