How Long Does It Take For A Mechanic To Replace An Alternator?

by | Last updated on January 24, 2024

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In general, it will take

about two hours

for you to replace an 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.

How much does a mechanic charge to replace an alternator?

When your car starts having electrical problems, it's a sign you need an alternator replacement. Considering the price of a new alternator as well as labor, you should expect to spend anywhere

between $500 and $1,000

to get a new one for your vehicle.

Is replacing an alternator a big job?

When the engine is running, the electrical system is powered by the alternator which replenishes your so it doesn't go flat. There are a couple of bolts, one on the bottom and one on the top, so it's

not really a big job to replace them

. …

How long does it take to take off an alternator?

Replacing an alternator can take up to

about two hours or so

at a but could take longer if you opt to get the job done yourself and you're new to this kind of a repair.

Is it easy 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.

Can a bad alternator destroy a new battery?

Can a bad alternator kill a new battery?

Yes, very easily

. A failing alternator can overcharge, which will damage the battery. An undercharging alternator will leave the battery flat, which speeds up its failure.

Can you drive with a bad alternator?

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.

Can AutoZone change an alternator?


You can bring the vehicle to AutoZone and have the alternator tested on the vehicle

to ensure the charging system is performing correctly. … For the best prices on name-brand , affordable hand tools, and precision replacement parts, visit your local AutoZone.

What are the signs of a bad 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.

How do I check my car alternator?

Alternator at Fault:

An illuminated dashboard light can indicate a problem with an automobile charging system. However, a very simple way to check if the alternator is working is to run the car and disconnect the positive terminal of the battery.

If the vehicle stops running

, then you probably have a bad alternator.

How far can I drive without alternator?

If the alternator output was weak for a long time before it failed, the car may not go very far. If you have a fully charged high capacity battery, you could drive

a hundred miles

at least in the day-time, on the battery alone.

How long can you go with a bad alternator?

Most alternators will last

between five and ten years

, depending on the conditions they operate under. Read more: How Long Does It Take To Charge A Car Battery?

How often does alternator need to be replaced?

Gunning says an alternator typically lasts

about seven years

— or about 100,000 to 150,000 miles, says Waits. Some mechanics, though, say they typically see alternators last about 80,000 miles.

How can you tell if its the battery or alternator?

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.

Do I need a new battery after replacing alternator?

This means that in most cases, there is no extra labor and you will only have to pay extra for a new drive belt, which is not very expensive. 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.

How do you know if your alternator is draining your battery?

  1. Dim interior lights. While running the car, note the brightness of the interior lights. …
  2. Dim or overly bright headlights. …
  3. Growling noises. …
  4. Smell of burning rubber or hot wire. …
  5. Test the alternator.
David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.