How can I make my alternator last longer?

Clean Battery Terminals: The battery terminals are prone to rust and these corroded terminals will prevent charging of the battery and the alternator will work harder in order to charge the battery well which can further increase alternator load and eventually render the alternator overheated and reduce its working ...
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How can I prolong the life of my alternator?

In addition to mitigating the effects of external factors like heat, vibration, and contaminants, you can also prolong the life on an alternator by replacing certain components before they wear out. For instance, some manufacturers recommend that you check the regulator and brushes every 12 to 24 months.
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What causes an alternator to keep going bad?

There are a few issues that could make the alternator go bad, such as jump-starting the car the wrong way or installing an accessory that overloads it. Leaking fluid in the alternator or a tight belt can also cause damage to the alternator bearings, causing premature wearing.
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How long does a car alternator 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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Can cleaning an alternator make it work again?

Cleaning the alternators is pretty good to help maximize its performance. Nevertheless, it would be best if you do not pressure wash the alternators. Doing so can cause some serious damage to the seal, which would be bad for the car. You can rinse the alternator with some water but endeavor you let it dry too.
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How to Fix a Dying Alternator for Free



Can you spray your alternator?

Is It Safe To Spray Alternator? If you choose alternators that are suitable, avoid spraying or applying directly to the openings of the air inlet. It is possible that pressure washing and compressed air will damage the alternator.
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Can you spray water on your alternator?

The force of the pressure washer will damage the car alternator more than any other part of your car. That said, you can wash the alternator with water to clean it but pressure washing the engine can damage the seals.
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Can alternator last 15 years?

Alternators can last 10 to 15 years without much maintenance. However, when an alternator fails, the engine will stall as soon as the battery charge has been deleted, and it's likely the vehicle won't be able to start. It's obvious how this could become an inconvenience during your daily commute to work.
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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.
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How can you tell when alternator is going bad?

If your alternator is failing, its voltage may drop below capacity, causing the battery warning light to appear on your dash. Similarly, the battery light will also appear if the alternator is exceeding its voltage limit, depending on how much stress it is under.
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Do alternators go bad from sitting?

An alternator has brushes because it has a slip ring (like a commutator) The slip ring can corrode and the brushes can stick - both are possible causes of failure after a year standing.
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Can a bad battery ruin an alternator?

A weak battery cannot have any effect on alternator, but a poor or weak alternator can deteriorate the battery very quickly. A broken battery also has an effect on an alternator as it puts more pressure and stress on the alternator while working and sometimes destroy the alternator as well.
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How often does a alternator go bad?

An alternator typically lasts about seven years or about 100,000 to 150,000 miles. Some mechanics, though, say they typically see alternators last about 80,000 miles, or some cars will need it to be replaced after 50,000 to 60,000 miles.
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How often should you replace your alternator?

Numerous factors work with and against alternators, so it's tough to pinpoint an exact lifespan of an alternator. However, we can say with near certainty that an alternator will not last for the average life of a vehicle. In general, you can expect alternators to last about 6-10 years, or about 80,000-150,000 miles.
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How long do alternator belts 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 long do rebuilt alternators last?

When people have their car alternator replaced, the expectation is that the repair will last at least as long as the expected life of the new alternator, four to five years or anywhere from 50,000 to 100,000 miles. Plus, like many auto repairs, replacing an alternator is not cheap.
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Is it OK to buy a remanufactured alternator?

Remember, their reputation is also on the line if they sell you something that fails quickly. 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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Can you waterproof an alternator?

Is Your Car Alternator Waterproof? Car alternators are NOT waterproof. Considering how the alternator is built to function, it is almost impossible to waterproof it.
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Why is there oil on my alternator?

A bad alternator seal will cause oil to leak into the alternator and in turn cause all electrical operations to start failing. This is because the oil leaking into the alternator impedes the generation of power for operations such as automated windows, radio, security locks and window wipers.
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Can I use WD40 on alternator?

No, you cannot spray an alternator with WD40. As I said earlier, WD40 is a fluid cleaning agent. Plus, a nice intentional way to destroy or reduce the lifespan of an alternator is, by spraying a liquid agent in it. When you spray a WD40 on an alternator, it would also find its way into other areas it doesn't fit.
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Why does water cool the alternator?

Instead of a fan, coolant from the engine's cooling system passes through a water jacket in the alternator casing to keep the body and its sensitive electronics from heating up. Because the field coil is fixed around the rotor shaft, the Bosch liquid-cooled alternator needs no slip rings or brushes.
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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.
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How long will a new battery last with bad alternator?

With all this going on, your average battery could last as little as 30 minutes or up to two hours if you're lucky! If you have to start the car without an alternator (i.e., in case there's no electric current), don't turn off once things get started because the battery is quickly drained.
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Will a bad alternator drain a new battery?

A corroded or defective alternator diode will faultily continue charging the circuit even when the car off. This, in turn, will drain your car battery and cause the car not to start.
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