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Failing Alternator: 6 Causes and Solutions

Picture this: you wake up on a beautiful, sunny morning, ready to hit the road and enjoy the day. You head to your garage, hop in your car, and turn the key, but instead of the engine roaring to life, youโ€™re met with a struggle and silence.

Frustrating, right? This might be a sign that your car’s alternator is having issues. But don’t worryโ€”weโ€™re here to help! In this article, weโ€™ll break down what causes a failing alternator and how you can get it fixed, so you can get back to driving without a hitch.

Whatโ€™s an Alternator?

Think of your carโ€™s alternator as the heart of its electrical system. Itโ€™s like a generator that converts mechanical energy from the engine into electrical energy.

Powering everything from your headlights to your radio and keeping your engine running smoothly. Without it, your carโ€™s electrical system would be dead in the water.

What Causes an Alternator to Fail?

1. Overloading

Overloading your carโ€™s electrical system is a major cause of alternator failure. too many accessories, like high-powered speakers, heated seats, or faulty components, can put extra stress on the alternator, causing it to overheat and potentially fail.

To keep your alternator healthy, avoid overloading it and ensure all your carโ€™s electrical components are in good shape.

2. Loose or Corroded Connections

A loose or corroded connection on your alternator can seriously disrupt the flow of electricity between your battery and alternator.

This can lead to a drop in voltage output, eventually preventing your alternator from charging your battery. Regularly checking and cleaning these connections can help prevent this issue.

3. Internal Component Failure

Inside your alternator, several parts work together to generate electricity. Over time, components like bearings, stator windings, rectifiers, and voltage regulators can wear out or fail.

When this happens, you might notice symptoms like dim headlights, trouble starting the engine, or other electrical issues.ย 

4. Belt Problems

Your carโ€™s alternator is driven by a serpentine belt. If this belt becomes worn, frayed, or misaligned, it wonโ€™t transfer power effectively, causing your alternator to struggle to charge the battery.

This can lead to various electrical problems or even cause your alternator to fail altogether.

5. Heat Damage

Excessive heat is another common culprit. Whether itโ€™s from a faulty drive belt, an overheating engine, or heavy electrical loads, high temperatures can damage your alternatorโ€™s internal components, causing them to burn out and fail.

Keep Your Car Running Smoothly

As a car owner, itโ€™s crucial to stay on top of your vehicle’s health. Anytime you notice something off, make sure to get it checked out by an expert. This way, you can avoid bigger problems down the road.

Our skilled technicians are ready to inspect your alternator and the rest of your vehicle to ensure everything runs at its best.

As Huddersfieldโ€™s only RAC-approved garage, you can trust that your car is in expert hands. Weโ€™ll get you back on the road quickly and safely so you can keep enjoying your drive.ย 

Book your repair service with us today and drive with confidence!

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