Why won't my Eldorado battery stay charged?

A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you may have been leaving your car doors ajar and the dome lights on during the night. Stop in for a free battery check at your local Firestone Complete Auto Care and get a handle on your car battery’s health.

What do you do with my old Eldorado battery?

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

What’s the cost of DieHard batteries for Cadillac Eldorados?

Get affordable prices on Cadillac Eldorado 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 often should I replace my car battery?

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 Eldorado’s battery post?

A chemical reaction between battery acid and the air can cause a white, crusty buildup to form on the terminals of your Eldorado car battery. This buildup — known as corrosion — can impede the flow of electricity and cause a range of issues, from poor performance to premature battery failure.

How do I clean corrosion off my Eldorado vehicle battery?

To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your Eldorado owner’s manual for instructions on how to do so.

Where can I find a battery for my Eldorado?

You can shop for Eldorado 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 1984 Cadillac Eldorado

Get a New Cadillac Battery

Get a New Cadillac Eldorado Battery

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 1984 Cadillac Eldorado today and schedule a quick installation at Firestone Complete Auto Care.

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The Right Battery Size for a 1984 Cadillac Eldorado

Researching battery replacements for your Cadillac Eldorado? Use the following chart to find information on Cadillac Eldorado battery size and cold cranking amps.

Battery	Engine	Warranty		Cold Cranking Amps
75-2	V8/4.1L	Replacement 24 months	Performance months	650
78FT-2	V8/4.1L	Replacement 36 months	Performance months	800
78-AGM	V8/4.1L	Replacement 36 months	Performance months	740
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

BATTERIES
V8/4.1L - Battery: 75-2 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 650
V8/4.1L - Battery: 78FT-2 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 800
V8/4.1L - Battery: 78-AGM - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 740
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

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Buying a Replacement Battery for Cadillac Eldorado

Your Eldorado doesn't have an expiration date, but its battery does. The average car battery lasts three to five years. You want to replace your 1984 Cadillac Eldorado battery before it fails and leaves you stranded. Look out for symptoms of a faulty car battery. A lagging starter, an illuminated check engine light or battery signal, bloated battery case, corroded battery posts, or weak lights can all signal that your battery is on its last leg.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. With best-in-class tools we can tell you how much "life" is left in your battery. Stop by for a free battery test and, if needed, get your Cadillac Eldorado a replacement battery. Automotive batteries are just one of our many areas of expertise. Our technicians are familiar with Cadillac-specific recommendations for Eldorado car batteries’ reserve capacities and cold cranking amps. Get help identifying the type and size of battery that's best for your Eldorado, and schedule a weekday or weekend battery replacement service for your car.

Firestone Has DieHard Batteries for Eldorados

We know what’s best for your Cadillac Eldorado, which is why we exclusively carry the best. You need a reliable, durable and powerful battery in even some of the toughest conditions. DieHard batteries go above and beyond using the latest innovative technology to fuel the increasing power needs of modern vehicles A DieHard battery isn't an ordinary car battery. It's extraordinary. Buy a DieHard battery for your Cadillac Eldorado and get behind the wheel with confidence. Why? Because performance will be there when you need it most. That’s why you should choose batteries from Firestone Complete Auto Care.

After Buying 1984 Cadillac Eldorado Battery

Have you recently had a fresh battery installed in your Cadillac Eldorado? Great job! Give your new car battery the best start with proper care. ensuring all the lights are turned off before you leave the car, limiting short trips, cleaning your battery posts, and not playing the radio or using other electronics when the engine is turned off.