Quick Answer: Can AutoZone Replace Alternator?

How much does it cost to replace an alternator?

Waits says the average price to replace an alternator with a remanufactured one is $400, while Gunning adds that a remanufactured alternator on a typical, domestic car, costs about $300 to $500, including parts and labor.

The price of a new alternator can run from $500 to $1,000..

Can you drive with a bad alternator?

An alternator charges a vehicle’s battery. If the alternator is going or has gone bad, in most cases the vehicle can be driven for a short distance and for a short period of time, allowing you to make it to a service station or automotive parts store for a replacement alternator. …

What causes an alternator to fail?

Bad diodes are a common cause of alternator failure. The diodes are part of the rectifier assembly that converts the alternator’s AC output to DC. … A leaky diode also can allow current to drain out of the battery through the alternator when the vehicle is not being driven.

What happens if my alternator dies while driving?

If the problem is a bad alternator, your car will slowly lose power. You’ll be driving down the road, your lights will dim, and you’ll lose power and die. … Once the alternator stops working, so do all of the electrical systems required to keep a car going. Other problems can also cause a car to not start.

How hard is it to change an alternator?

Replacing an alternator can cost you several hundred bucks at the local repair shop, but it’s one of the simplest repairs you can do at home. With a few tools and about an hour you can swap it out yourself — and keep your dough in your pocket where it belongs.

How do I know if I need a new alternator?

Signs of a Bad Alternator Some of the things to look for are no-starting and trouble starting, dimming lights and problems with stereo system output. If your car starts but stalls when you’re underway, your battery is probably not being recharged due to a faulty alternator.

What does a bad alternator sound like?

If you’re hearing a grinding sound in your car, this could indicate that the alternator is going bad. The grinding sound may be caused by a worn-out bearing. … If you hear any type of whining or grinding sound that’s a good indication that your alternator needs to be checked.

How long does it take to fix the alternator?

about two hoursIn general, it will take about two hours for you to replace an alternator on your own, though this could vary somewhat depending on your knowledge of car mechanics. If you take your car into a shop in order to have the alternator replaced, timing may vary somewhat, and you may have to leave the car for the day.

What happens if alternator goes out while driving?

If your alternator goes out – your car isn’t going anywhere fast. Because your alternator charges your car’s battery, without it, you won’t be able to start your car, which means you’ll need a tow to the mechanic. When you have a dead alternator, your battery will also die during normal use.

How long will a new battery last with a bad alternator?

In this situation, the battery could last as little as 30 minutes. If you are lucky and could get up to two hours. Note: In case you have to start the car without an alternator, don’t turn off the engine once you’re going.

How do you know if its the battery or the alternator?

If the engine starts but dies immediately, your alternator probably isn’t keeping your battery charged. If a jump starts and keeps your car running, but the car can’t start again off of its own power, a dead battery is likely your answer.

Do I need a new battery after replacing alternator?

The battery will continue to deplete it’s reserves to the point that the battery cells will begin to die. At which point you’ll need to replace the battery and the alternator. It is rare to NEED to replace BOTH the alternator and battery at the same time.

How long can you drive with a failing alternator?

You can probably make it about 3-4 miles. Had a belt shred on an old acura, it made it home from about 3 miles out with no problems. My alternator failed me once and I drove about 28 miles at night before the car ran out of juice.

Can AutoZone replace an alternator?

Now that you know how to replace an alternator, it’s time to pick up all the tools and equipment you need. For the best prices on name-brand alternators, affordable hand tools, and precision replacement parts, visit your local AutoZone.

Who replaces alternators?

If something is wrong with your alternator, starter or battery, a Firestone technician will talk to you about the different options you have when it comes to replacing or repairing a bad alternator or starter.

What are the symptoms of a bad alternator?

6 Symptoms of a Failing AlternatorThe indicator light. … Headlights are dim or flickering. … Other electrical failures. … Strange noises. … Car stalls or has difficulty starting. … Battery dies.

Will a bad alternator kill a new battery?

Yes. The alternator can have a bad diode which allows A/C to flow to the battery. It does not take long for A/C to damage battery cells. Likewise, a bad battery will kill an alternator.

How do you test a car alternator?

With the engine on:Step 1: Open your hood and so you have clear access to the car battery. Locate your alternator and check to be sure the alternator belt isn’t loose.Step 2: Turn your multi-meter to the 20 V setting.Step 3: Start the engine. … Step 4: There are two ways to test the voltage coming from the alternator.