QA

Question: How Much To Change Alternator

Alternators can average anywhere from $100 to $350 depending on make and model. Most vehicles will have an average cost between $350-400 for the total job of an alternator replacement if no other parts need to be replaced. If the serpentine belt is included in the process, add another $20 to $50 to your bill.

Is it worth replacing an alternator?

It’s usually a better idea to replace the alternator entirely if it is malfunctioning. While new ones can be spendy, they are usually a better choice than remanufactured or rebuilt options. Those probably won’t last as long as a new one since the mechanical parts have miles on them already.

How long does it take to change an alternator?

In 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.

Can AutoZone replace an alternator?

When your vehicle is running, your alternator powers the electrical system. Even worse, a malfunctioning alternator eventually leads to a dead battery, and your vehicle can’t start. Avoid all of this hassle by replacing your alternator and alternator parts with the help of AutoZone.

What are the signs your alternator is going out?

7 Signs of a Failing Alternator Dim or Overly Bright Lights. Dead Battery. Slow or Malfunctioning Accessories. Trouble Starting or Frequent Stalling. Growling or Whining Noises. Smell of Burning Rubber or Wires. Battery Warning Light on Dash.

What causes an alternator to fail?

Most of the time, alternators fail as a result of age or use. However, some other factors can cause an alternator to fail prematurely. Fluid leaking on the car alternator can commonly lead to failure. Often, engine oil or power steering fluid can work its way into the alternator and cause it to malfunction or fail.

Do you have to replace battery when replacing alternator?

Should the battery be replaced whenever an alternator is replaced? It’s not necessary, however it’s not uncommon for an old battery to fail when an alternator stops working. This happens because when the battery is completely drained, it deteriorates sooner.

How can I test my alternator?

More videos on YouTube Get a multimeter. Set your multimeter to DCV (DC Volts) above 15. Make sure your alternator’s positive and negative terminals are clean. Put the multimeter’s black cable to the negative terminal and the red cable to the positive terminal. Look for an ideal alternator reading of around 12.6.

Can I change my alternator myself?

Introduction: How-To: Replace 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 many years does an alternator last?

How Long Does an Alternator Last? An alternator should last between 80,000 to 150,000 miles, which usually means around 7-10 years.

Is my battery or alternator bad?

If your engine won’t turn over or takes far longer than usual, it’s time to grab the jumper cables and attempt a jump-start. If your engine starts and stays running but won’t start again later, it’s likely a battery problem. If your vehicle immediately stalls, it’s probably a bad alternator.

Can a bad alternator ruin a battery?

What’s the Problem Exactly? If your vehicle won’t start the problem probably lies somewhere within the two key parts its charging system: the battery or the alternator. A faulty alternator could ruin a perfectly healthy battery, which would put you further back from a solution than where you started.

Can a car start with a bad alternator?

When the alternator is failing, there might not be enough power in the spark plugs to keep the engine alive, which can cause it to stall for no reason while running, or to have trouble starting. Ignore this symptom, and your car eventually won’t start at all.

How long can you drive with a failing alternator?

When you drive without a functioning alternator, your vehicle can only go for around Twenty-five miles before the battery is empty if you had a fully charged battery. Twenty-five miles translates to a maximum of approximately 30 minutes of driving.

What kills an alternator?

Running in full charge mode continuously can kill an alternator, so trying to have your new alternator try and charge your dead battery can result in immediate alternator failure.

Do alternators go out suddenly?

When your alternator begins to fail it can cause a variety of different electrical problems in your car, and eventually cause a breakdown. Alternators can go bad suddenly, or slowly over time.

Does AutoZone do alternator testing?

Every AutoZone in the USA will check your alternator, starter, or battery at no charge.

Can an alternator drain a battery?

The alternator is responsible for recharging the car battery and powering electrical systems of the car such as the radio, lights, ignition, etc. This, in turn, will drain your car battery and cause the car not to start.

Can a weak alternator cause poor engine performance?

Modern vehicles require a steady electrical current of specific voltage in order to run properly. Drops in electrical output from a failing alternator can cause these systems to malfunction, leading to a poorly running engine. Symptoms will be rough idle, misfires, poor acceleration, hesitation and stalling.

When replacing an alternator What else should I replace?

When replacing and alternator, other upgrades are worth doing too. Go ahead and change the serpentine belt, tensioner and idler roller when replacing an alternator on your car or truck.