1986 GMC S15 Batteries

Get a New GMC Battery

Get a New GMC S15 Battery

Don't let a failing battery slow you down. Shop replacement batteries for 1986 GMC S15s today and schedule a quick installation at Firestone Complete Auto Care.

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1986 GMC S15 Battery Replacement & Size

Need more info about GMC S15 batteries? Use the following chart to find information on GMC S15 battery size and cold cranking amps.

Battery Engine Warranty Cold Cranking Amps
75-2 L4/2.5L Replacement 24 months Performance months 650
78FT-2 L4/2.5L Replacement 36 months Performance months 800
78-AGM L4/2.5L Replacement 36 months Performance months 740
34/78-4 V6/2.8L Replacement 24 months Performance months 800
75FT-3 V6/2.8L Replacement 36 months Performance months 700
BATTERIES

L4/2.5L

- Battery: 75-2

- Warranty: Replacement 24 months, Performance months

- Cold Cranking Amps: 650

L4/2.5L

- Battery: 78FT-2

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 800

L4/2.5L

- Battery: 78-AGM

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 740

V6/2.8L

- Battery: 34/78-4

- Warranty: Replacement 24 months, Performance months

- Cold Cranking Amps: 800

V6/2.8L

- Battery: 75FT-3

- Warranty: Replacement 36 months, Performance months

- Cold Cranking Amps: 700

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Buy the Right Battery for Your GMC S15

Your S15 doesn't have an expiration date, but its battery does. The average car battery lasts three to five years. You want to replace your 1986 GMC S15 battery before it fails and leaves you stranded. Look out for symptoms of a faulty car battery. A slow engine crank, an illuminated check engine light or battery signal, swollen battery case, corroded battery terminals, or dim headlights can all signal that your battery needs attention.

You can also get a Free Battery Test at your local Firestone Complete Auto Care. Our equipment can see how much charge is left in your battery. Drop in for a free battery check and, if needed, a replacement battery for your 1986 GMC S15. Car batteries are only one of our many strong suits. Our technicians are familiar with GMC-specific recommendations for S15 car batteries’ reserve capacities and cold cranking amps. Get help identifying the type and size of battery that's best for your S15, and schedule a fast car battery replacement at your earliest convenience.

Find the Right DieHard Battery for Your S15

We only want what’s best for your GMC S15, which is why we exclusively carry the best. Your vehicle needs a reliable, durable and powerful battery in extremely hot and cold environments. DieHard batteries go above and beyond and house the latest technology to meet the increasing power requirements of modern vehicles Don't call a DieHard battery ordinary. It's an extraordinary battery. Buy a DieHard battery for your GMC S15 and have the peace of mind that performance will be there when you need it most. That's the kind of battery we deliver.

After Buying 1986 GMC S15 Battery

Got a new car battery installed in your 1986 GMC S15? Congrats! 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 not playing the radio or using other electronics when the engine is turned off.

Commonly Asked S15 Battery Questions

Turn to Firestone Complete Auto Care for answers to all your car battery questions. If you have a S15-specific battery question, pay us a visit. Our technicians have the answers.

  • Why won’t my S15 battery hold a charge? A car battery that needs to be jump-started every time is as good as dead. The battery might be old. Or, you’ve been leaving the doors slightly open and the dome lights on during the night. Stop by for a free battery test at your favorite Firestone Complete Auto Care to learn more about the state of your battery.
  • What do you do with my dead S15 battery? We’ll recycle your car battery for you!
  • How much will replacing my GMC S15’s battery cost if I get a DieHard battery? Get affordable prices on GMC S15 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 substance accumulating on my S15’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 S15 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 a corroded S15 battery terminal? You can help prevent or get rid of corrosion by regularly inspecting and cleaning your battery terminals. Before cleaning your battery, see your S15 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 S15 batteries near me? When you need a new battery for your vehicle, Firestone Complete Auto Care is here to help. We sell and install S15 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.