How long does an alternator belt last?

Like all other automotive belts, it is made of rubber, and that means that over time, it can deteriorate. Usually, you can expect your alternator belt to last 3-4 years. You should have it inspected regularly – a good rule of thumb is to have your mechanic check the alternator belt whenever you have an oil change.
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How many miles does an alternator belt last?

On average, serpentine belts should last between 60,000 and 100,000 miles. However, if you're only putting a few thousand miles annually on your vehicle, don't use that mileage interval as the sole guide for when to replace the serpentine belt.
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How do I know if my alternator belt needs replacing?

The easiest way to know that a new serpentine belt is needed is if you hear it squealing while the engine is running. A heavy rainstorm might cause a bit of squealing, but if there are any fluid leaks, it's time to replace it right away.
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What happens if alternator belt breaks while driving?

The Alternator Stops Powering Electrics

If the serpentine belt breaks, the alternator stops generating electrical power. If that happens, your headlights will dim, the radio won't work, and the battery will die. The battery warning light will also turn on because your battery isn't being charged.
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Is it expensive to replace an alternator belt?

What is this? The replacement cost of an alternator belt is typically between $100 and $200. The part cost is between $25 and $80 while the labor cost is between $75 and $120. The true replacement cost will depend on how long it takes the mechanic to access your alternator belt.
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NEVER! Replace an Alternator Belt/Serpentine Belt AGAIN !



What causes alternator belt to break?

95% of the time, frequent alternator or serpentine belt breakage is caused by either faulty pulley's or misaligned or un-properly adjusted belts. Belts that are not properly adjusted to tightness can also explain the smoke issue.
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What does a broken alternator belt sound like?

Symptoms of a broken serpentine belt include loud slapping, squealing or knocking noises coming from under the hood. The battery-shaped charging system warning light might also come on because the alternator will stop charging the battery.
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Will a car start without an alternator belt?

The short answer is yes, your car will start even if the serpentine belt is broken or missing. To get the car going, the battery sends power to your starter motor.
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Can you drive a car with no alternator belt?

If you're wondering whether or not you can drive your car without a serpentine belt, the answer is no. There are many dangers to driving without a serpentine belt. A car can only take out so much slack from other components before they fail and stop working altogether.
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How expensive is it to replace a serpentine belt?

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 alternator belt same as timing belt?

Don't get confused—a serpentine belt is not the same thing as a timing belt. The serpentine belt and timing belt have very different functions in your vehicle. The timing belt is located inside the engine and keeps the crankshaft and camshaft in sync.
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Is alternator belt same as serpentine 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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How long should belts last?

Generally speaking, you should replace it every 3 years – more often if you notice wear or missing teeth – unless it's made from EPDM (ethylene propylene diene monomer).
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Can a serpentine belt last 200000 miles?

With that being said most serpentine/drive belts can last for a very long time before they need to be replaced. The lifespan of the belt will depend mostly on the type of material it's made of. Older style belts generally last about 50,000 miles, while those made from EPDM can last up to 100,000 miles.
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How often should an alternator be replaced?

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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Can loose alternator belt drain battery?

If it sounds exhausted on the starter, it can be a sign of a loose alternator belt. If it gets bad enough, it can even cause the car battery to be completely dead the next time you are trying to start your car.
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How long do Serpentine belts last?

How often does a serpentine belt need to be replaced? Serpentine belts are built to last—much longer than before because of advancements in rubber technology. Under ideal conditions, a belt should stick with you for an average of 60,000 to 100,000 miles. Pretty impressive.
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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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How long does it take to change a serpentine belt?

It can take anything from 15 minutes to an hour (two at the most) to repair or replace a bad serpentine belt with a new belt.
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Is a car drivable without a serpentine belt?

Under no circumstances can you drive a vehicle without a serpentine belt because the serpentine belt serves the important function of delivering antifreeze to important parts of the engine. The serpentine belt drives the water pump, and without it, there is insufficient coolant flow to maintain the engine temperature.
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What does a dying 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. Your car can also make a whining sound when the voltage regulator is sending signals to the alternator to charge more than is necessary.
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How much does a new alternator cost?

You can expect to pay anywhere from $400 to $1,500 for a new car alternator in Australia. The exact price will depend on the vehicle you drive and whether you're buying brand-new or used. The replacement will take at least 2 hours to install. Keep reading about what a car alternator does and when you should replace it.
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Can a weak alternator cause poor engine performance?

Driving around with a bad alternator isn't a smart idea; as damaged or broken alternators can cause a wide range of problems. They can interfere with your car's electrical features, make it harder to start the engine, and even cause the battery to drain entirely, leaving you with an utterly unresponsive vehicle.
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What causes belt to snap?

This is usually the result of a belt in poor condition, or a problem with one of the accessory components being driven by the belt. A failed bearing in a pulley being driven by the serpentine belt will also cause the belt to break.
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