When replacing alternator What else should be replaced?

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.
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What parts do you need to replace an alternator?

What tools are needed to replace an alternator
  1. Socket and ratchet set.
  2. Wrench set.
  3. Belt tensioner tool.
  4. Safety gear.
  5. Memory saver, if needed.
  6. New alternator.
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What do I need to know before replacing an alternator?

Some of these indicators include:
  1. Headlights that start pulsating at night, from dim to bright.
  2. A burning smell coming from the alternator.
  3. Dashboard warning lights turning on abruptly.
  4. A squealing sound from your engine.
  5. Intermittent malfunctioning with your car's electronics, including the radio.
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Do I need to replace belt when replacing alternator?

Since the belt has to be removed during the alternator replacement anyway, this is a great time to install a new belt and tensioner if required, too.
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What happens to your car when you need a new alternator?

If a faulty alternator fails to keep your battery consistently charged, the fuel injectors may not fire, causing your engine to stall. A dying alternator can lead to a wide range of other electrical issues. Generally speaking, such issues manifest as an inability to perform at normal power.
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AutoZone Car Care: When to Replace Your Alternator



What does a new alternator do?

An alternator transforms electrical energy from mechanical energy with an alternating current (AC) to help keep the battery charged, power electrical modules such as power windows and locks, and supply power to the vehicle's internal computer.
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How long does it take a mechanic to replace an alternator?

Replacing an alternator will take a professional about two hours. However, that doesn't mean your car will only be at the shop for two hours—there may be a wait before a mechanic can address your ride. Plus, if the shop needs to get parts delivered, it will take even longer.
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Is serpentine belt and alternator belt the same?

Technically, it's known as a FEAD belt (Front Engine Accessory Drive belt). People call it a serpentine because it can make turns between pulleys and use both sides of the belt. Yes, it's just another name for an Alternator belt.
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What are the 3 belts in a car?

Car Basics: All the Drive Belts Explained
  • Timing Belts. A timing belt, is a notched rubber belt that opens and closes the engine valves in proper timing with the pistons. ...
  • Serpentine Belts. Your car's serpentine belt is a long continuous belt that drives all your engine components. ...
  • V-Belts.
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When should a serpentine belt be replaced?

Your serpentine belt was made to last. Under ideal circumstances, your car's serpentine belt should last 60,000–100,000 miles. It's important to replace this belt as part of your vehicle's scheduled maintenance (even if it looks okay) to avoid it breaking while you're on the road.
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Will a new alternator improve gas mileage?

Improvements to alternator efficiency can reduce the amount of power drawn from the engine and thus lead to improved fuel consumption.
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Will a bad alternator ruin a new battery?

If you take your vehicle to an auto parts store they may give you a new battery for a few hundred dollars, without running any tests. Don't make this mistake! A faulty alternator could ruin a perfectly healthy battery, which would put you further back from a solution than where you started.
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Is it better to rebuild or replace an alternator?

Although there is no one right answer for every situation, we rarely recommend a rebuilt alternator. Sometimes a remanufactured alternator is a good option, but most of the time we recommend a new alternator.
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Does an alternator have a belt?

When an alternator is actively charging the battery, it is actually spinning inside the vehicle. There is something called an alternator belt (also called a serpentine belt) which wraps around a pulley or multiple pullies that is connected to the alternator.
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Do you have to disconnect battery when replacing alternator?

First and most importantly: disconnect the battery. There may be several wires or just one wire on your alternator, but rest assured that one of them is hot. If you don't disconnect the battery, you're very likely to end up grounding a live wire during the process.
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How much should it cost 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.
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What belt goes around the alternator?

What Does a Serpentine Belt Do? As we mentioned early, a serpentine belt delivers power to your alternator, power steering pump, and air conditioning compressor. In some cases, it also supplies power to your water pump. It's a long, winding rubber band of sorts that is attached to your crank pulley.
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How many belts does an alternator have?

There are two belts you need to be familiar with when talking about car maintenance — the serpentine belt and the timing belt. The serpentine belt winds through your engine and carries power to several key components, including the alternator, air conditioning, and power steering pump.
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How much does it cost to replace all belts on a car?

A typical serpentine belt start at around $25 and goes up to $75 at most. If you know some car repair basics, you could change the belt yourself, and it may save you paying labor charges somewhere between $75 and $120. All together, you're looking at around $100 to $195 to replace your serpentine belt.
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Is timing belt connected to alternator?

The timing belt connects several of your engine's main components, such as the alternator, water pump, power steering pump and air conditioning compressor.
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How do you know when a serpentine belt is going bad?

If you suspect your serpentine belt is failing, watch out for the following symptoms:
  1. Squealing noise from the front of the vehicle. If you notice a squealing noise coming from the front of your vehicle, it could be from the serpentine belt. ...
  2. Power steering and AC not working. ...
  3. Engine overheating. ...
  4. Cracks and wear on the belt.
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What is the difference between a timing belt and a serpentine belt?

The serpentine belt is located on the outside of the engine

It's a long rubber band stretched out on the side of the car, connecting the engine to key components of your car. For instance, the timing belt spins the alternator, which converts engine power to electricity.
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How long do alternators usually 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. However, if your vehicle is driven hard around Venice or Bradenton, your alternator may need to be replaced sooner.
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What causes an alternator to fail?

Alternators have a number of moving parts, so as they get dirty and are subjected to extreme temperatures, those internal components can wear out, causing the alternator to go bad. One of the most common problems you're likely to experience with an alternator is a failure in the bearings.
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How long can a car drive without alternator?

For the unfortunate souls who realize that this vital part of the vehicle is failing, how long will a car run without an alternator and what can you do to elongate the vehicle's ability to function? Without this essential component, your car will only function for up to two hours and as little as five minutes.
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