Why won't my Thunderbird battery stay charged?

A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you’ve been leaving the doors slightly open and the lights on overnight. Stop in for a free battery check at your favorite Firestone Complete Auto Care and learn more about your battery's charge.

What do you do with my old Thunderbird battery?

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

How much will replacing my Ford Thunderbird’s battery cost if I get a DieHard battery?

Get affordable prices on Ford Thunderbird batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.

How long is a car battery good for?

You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.

What is the white, crusty stuff around my Thunderbird’s battery post?

The white, crusty stuff that can accumulate around Thunderbird 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 Thunderbird car battery?

Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.

Who sells Thunderbird batteries near me?

When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install Thunderbird 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.

1985 Ford Thunderbird Batteries

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Ford Thunderbird Batteries Near You

Don’t let a dead battery stop you. Shop replacement car batteries for your 1985 Ford Thunderbird at Firestone Complete Auto Care.

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1985 Ford Thunderbird Battery Replacement & Size

Not sure what battery to get for your Ford Thunderbird? Check the chart to find the right car battery size and cold cranking amps for your Thunderbird.

Battery	Engine	Warranty		Cold Cranking Amps
56-1	V6/3.8L	Replacement 24 months	Performance months	550
56-1	V8/5.0L	Replacement 24 months	Performance months	550
56-1	L4/2.3L	Replacement 24 months	Performance months	550

BATTERIES
V6/3.8L - Battery: 56-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 550
V8/5.0L - Battery: 56-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 550
L4/2.3L - Battery: 56-1 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 550

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Shopping for Ford Thunderbird Car Batteries

Your Thunderbird 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 1985 Ford Thunderbird battery before it fails and leaves you stranded. Pay attention to clues that your battery is on its way out. A lagging starter, a blinking battery or check engine light, swollen battery case, corrosion-covered posts, and subpar electrical performance can all signal that your battery needs attention.

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 Ford Thunderbird a replacement battery. Automotive batteries are just one of our many areas of expertise. Our technicians are familiar with Ford-specific recommendations for Thunderbird battery cold cranking amps and reserve capacity. Get help figuring out the battery size that matches your vehicle, and schedule a weekday or weekend battery replacement service for your car.

Why Choose a DieHard Battery for Your Thunderbird?

We know what’s best for your Ford Thunderbird, which is why we carry just that. Your Thunderbird needs a reliable, durable and powerful battery in extremely hot and cold environments. DieHard batteries shatter expectations and house the latest technology to satisfy the expanding power needs of new vehicles. A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your Ford Thunderbird and have the peace of mind that performance will be there when you're counting on it. That's the kind of battery we deliver.

Making Your Thunderbird’s New Battery Last

Got a new car battery installed in your 1985 Ford Thunderbird? Good thinking! Now, help it last longer and stay charged by caring for it from the get-go. You can take care of your battery by decreasing the number of short trips you take, keeping your battery posts clean, and not playing the radio or using other electronics when the engine is turned off.

Commonly Asked Thunderbird Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have battery questions that are Ford Thunderbird-specific, pay us a visit. Our expert techs have the answers you need.

Why won't my Thunderbird battery stay charged? A battery that won't hold a charge is almost as good as dead. The battery might be old. Or, you’ve been leaving the doors slightly open and the lights on overnight. Stop in for a free battery check at your favorite Firestone Complete Auto Care and learn more about your battery's charge.
What do you do with my old Thunderbird battery? We recycle it, taking care of both your car and the Earth.
How much will replacing my Ford Thunderbird’s battery cost if I get a DieHard battery? Get affordable prices on Ford Thunderbird batteries by using one of our limited-time battery deals. Plus, all DieHard car batteries come with a free replacement warranty and extra coverage with DieHard Assurance.
How long is a car battery good for? You can usually get three to five years out of your car battery. However, battery type, how well you maintain your battery, and your driving habits can all affect your battery’s lifespan.
What is the white, crusty stuff around my Thunderbird’s battery post? The white, crusty stuff that can accumulate around Thunderbird 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 Thunderbird car battery? Regularly inspect the terminals and clean them with a mixture of baking soda and water, a wire brush, and a rag. Disconnect the battery cables before cleaning to help avoid the risk of electrical shock. Always reference and follow the instructions in your vehicle owner’s manual prior to disconnecting the battery cables.
Who sells Thunderbird batteries near me? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install Thunderbird 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.