Why doesn’t my C2500 Suburban battery stay charged?

A car battery that needs to be jump-started every time is as good as dead. It may be getting old. Or, you’ve been leaving the doors slightly open and the cabin light at night. Stop by for a free battery test at your local Firestone Complete Auto Care and learn more about your battery's charge.

What do you do with my old C2500 Suburban battery?

We’ll recycle your car battery for you!

What’s the cost of DieHard batteries for GMC C2500 Suburbans?

GMC C2500 Suburban batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.

How long do car batteries last?

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

Why is there white, flaky stuff around my C2500 Suburban’s battery post?

The white, flaky stuff that can build up around your C2500 Suburban’s battery terminals is known as corrosion. Acid leaking from your vehicle’s battery post can have a chemical reaction with the air, leading to an accumulation of the white, powdery substance over time. Corrosion can affect the flow of electricity between your battery and the electrical system in your C2500 Suburban, possibly causing issues with electrical performance and starting. If left unaddressed for long enough, it may even cause your battery to prematurely fail.

How do I clean corrosion off my C2500 Suburban vehicle battery?

Regularly inspecting and cleaning your battery terminals will help keep your C2500 Suburban’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 purchase C2500 Suburban batteries near me?

You can shop for C2500 Suburban batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.

Car Batteries for 1985 GMC C2500 Suburban

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Get a Battery for Your GMC C2500 Suburban

Don't let a failing battery slow you down. Shop replacement batteries for 1985 GMC C2500 Suburbans today and schedule a quick installation at Firestone Complete Auto Care.

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1985 GMC C2500 Suburban Battery Replacement & Size

Researching battery replacements for your GMC C2500 Suburban? Use this chart to find the right battery size and CCAs for your GMC C2500 Suburban.

Battery	Engine	Warranty		Cold Cranking Amps
34/78-4	V8/5.7L	Replacement 24 months	Performance months	800
75FT-3	V8/5.7L	Replacement 36 months	Performance months	700
78-AGM	V8/5.7L	Replacement 36 months	Performance months	740
78-1	V8/6.2L	Replacement 24 months	Performance months	700
75FT-3	V8/6.2L	Replacement 36 months	Performance months	700
78-AGM	V8/6.2L	Replacement 36 months	Performance months	740
78-1	V8/5.0L	Replacement 24 months	Performance months	700
78FT-2	V8/5.0L	Replacement 36 months	Performance months	800
78-AGM	V8/5.0L	Replacement 36 months	Performance months	740
34/78-4	V8/7.4L	Replacement 24 months	Performance months	800
78FT-2	V8/7.4L	Replacement 36 months	Performance months	800
78-AGM	V8/7.4L	Replacement 36 months	Performance months	740

BATTERIES
V8/5.7L - Battery: 34/78-4 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 800
V8/5.7L - Battery: 75FT-3 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 700
V8/5.7L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/6.2L - Battery: 78-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 700
V8/6.2L - Battery: 75FT-3 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 700
V8/6.2L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/5.0L - Battery: 78-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 700
V8/5.0L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/5.0L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
V8/7.4L - Battery: 34/78-4 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 800
V8/7.4L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/7.4L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740

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Buy the Right Battery for Your GMC C2500 Suburban

Your C2500 Suburban doesn't have an expiration date, but its battery does. On average, auto batteries last anywhere from three to five years. Check your battery regularly and replace it as needed so it doesn’t leave you and your GMC C2500 Suburban stranded. Watch for signs that your current battery is getting too old or too weak. A sluggish engine start, an illuminated battery or check engine light, bloated battery case, corroded battery terminals, or weak lights can all be signs that your battery is on its last leg.

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. Visit us for a complimentary battery check and, if necessary, a battery replacement to help keep your 1985 GMC C2500 Suburban running! Car batteries are one of our many specialties! Our expert technicians understand GMC service recommendations for C2500 Suburban battery cold cranking amps and reserve capacity. Get help choosing the battery size that's best for your C2500 Suburban, and schedule a weekday or weekend battery replacement service for your car.

Find the Right DieHard Battery for Your C2500 Suburban

Your GMC C2500 Suburban deserves the best, which is why we carry just that. Your vehicle needs a reliable, durable and powerful battery that can handle most extreme environments and weather conditions. DieHard C2500 Suburban batteries surpass expectations and house the latest technology to meet the expanding power demands of new vehicles. A DieHard battery isn't an ordinary car battery. It's extraordinary. Go with a DieHard battery for your C2500 Suburban and have the peace of mind that your battery will perform when you need it. That's the kind of battery we deliver.

Caring for a New GMC C2500 Suburban Battery

Got a new car battery installed in your 1985 GMC C2500 Suburban? Congrats! Now, help it last longer and stay charged by caring for it from the get-go. ensuring all the lights are turned off before you leave 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.

Commonly Asked C2500 Suburban Battery Questions

Get answers to common car battery questions, from Firestone Complete Auto Care. If you have a C2500 Suburban-specific battery question, pay us a visit. Our technicians have the answers.

Why doesn’t my C2500 Suburban battery stay charged? A car battery that needs to be jump-started every time is as good as dead. It may be getting old. Or, you’ve been leaving the doors slightly open and the cabin light at night. Stop by for a free battery test at your local Firestone Complete Auto Care and learn more about your battery's charge.
What do you do with my old C2500 Suburban battery? We’ll recycle your car battery for you!
What’s the cost of DieHard batteries for GMC C2500 Suburbans? GMC C2500 Suburban batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.
How long do car batteries last? A car battery normally lasts three to five years, but this number can vary based on battery type, your driving habits, and battery maintenance.
Why is there white, flaky stuff around my C2500 Suburban’s battery post? The white, flaky stuff that can build up around your C2500 Suburban’s battery terminals is known as corrosion. Acid leaking from your vehicle’s battery post can have a chemical reaction with the air, leading to an accumulation of the white, powdery substance over time. Corrosion can affect the flow of electricity between your battery and the electrical system in your C2500 Suburban, possibly causing issues with electrical performance and starting. If left unaddressed for long enough, it may even cause your battery to prematurely fail.
How do I clean corrosion off my C2500 Suburban vehicle battery? Regularly inspecting and cleaning your battery terminals will help keep your C2500 Suburban’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 purchase C2500 Suburban batteries near me? You can shop for C2500 Suburban batteries at your local Firestone Complete Auto Care, and our expert technicians will even handle the installation. Don’t have time to visit our store? Our Firestone Direct mobile vans can come to you for battery installations! Learn more about our mobile battery services.