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Johnny's AutomotiveJohnny's Automotive
Sebring, FL

Alternator Repair at our Sebring shop

Bring it to our Sebring shop and we'll handle the alternator repair. Here's where to find us, when we're open, and how to book a time.

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Sebring, FL435 North Orange StreetBook a time online
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Where to find our Sebring shop

Address, hours, and directions for the shop that handles your alternator repair.

Address

435 North Orange Street
Sebring, FL 33870

Shop phone

(863) 471-0044

Hours

Monday
7:30 AM to 5:30 PM
Tuesday
7:30 AM to 5:30 PM
Wednesday
7:30 AM to 5:30 PM
Thursday
7:30 AM to 5:30 PM
Friday
7:30 AM to 5:30 PM
Saturday
Closed
Sunday
Closed

Recent Alternator Repair Work in Sebring

Real jobs completed by our team in the Sebring area

Our team

Our Team

September 2026

Why Is My Alternator Belt Squealing After Water Exposure?

What the customer reported

The vehicle owner reported that the alternator belt squealed and the battery light came on after driving through deep water. The noise was more prominent in the morning but would eventually go away.

What we found and did

The technician determined that the alternator assembly needed repair due to the belt's exposure to water, which caused it to slip and squeal. The team at our Sebring shop removed and replaced the necessary components of the alternator assembly to address the belt squeal issue. After the repair, they performed a final road test to ensure the problem was resolved.

Result

The alternator belt no longer squealed, and the battery light remained off, indicating a successful repair.

Pro Tip

If your alternator belt squeals after driving through water, it might be slipping. Getting it checked promptly can prevent more costly electrical issues down the line.

FAQ

Alternator Repair in Sebring: questions answered

Answered by our licensed technicians serving Sebring.

How do you tell an alternator problem from a battery problem?

The battery has to start the car. The alternator has to keep it running and recharge the battery. We test each separately, then measure charging voltage with the engine running and the electrical load turned up. A car that starts fine but dies while driving is pointing at the alternator, not the battery.

Why do you check the belt and the cables first?

Because they fake it convincingly. A glazed belt, a weak tensioner, a corroded cable end, or a bad engine ground will all drop charging voltage and produce the same dash light and dim headlights. Those are quick to check and much cheaper to fix, so they get ruled out before we quote an alternator.

Is it safe to keep driving with the battery light on?

Plan on the car stopping, and not at a convenient spot. Shut off the radio, air conditioning, and anything else you do not need, and drive straight to a shop or have it towed. Once the battery is drained the engine stops, and on most vehicles so does the power steering assist.

Do I need a new battery too if the alternator failed?

Sometimes, and sometimes not. A battery that has been deeply drained several times can be permanently weakened, but plenty of them test fine after a proper recharge. We test it and tell you what it shows instead of bundling one in automatically.

Can an alternator be repaired instead of replaced?

On most vehicles on the road today, a new or remanufactured unit is the practical repair, and it is what our warranty covers. If a pulley, belt, or connection turns out to be the real fault, that is what we fix. We will tell you exactly what we are quoting and why before anything comes apart.

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ASE Certified Technicians

ASE certified techs working on your vehicle

Flexible Drop-Off Hours

Convenient service options

20+ Years

2 decades of trusted service