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Your car's serpentine belt powers the vehicle's various accessories and helps the engine run properly. Also known as the accessory or drive belt, this component is essential to your safety and comfort on the road. In general, the auto part can last for five years or 50,000 miles. If your serpentine belt is nearing the end of its life span, it will cause the following issues. 

How to Tell if You Need a New Serpentine Belt

1. Squealing Sounds

If you hear a squealing noise coming from the engine, the serpentine belt is likely to blame. It might be misaligned or slipping, resulting in a high-pitched whine. In some cases, a professional can adjust the component to restore the engine's quiet operation.

However, a significantly damaged serpentine belt can also cause your car to squeal. If the auto part has missing chunks, cracks, uneven wear, or damaged ribs, it's time to replace it.

2. Overheating Engine

The serpentine belt allows the engine's cooling system to operate. If the component is failing, the water pump won't activate, and the car will start to overheat. 

When driving, keep track of the temperature gauge on the dashboard. If the needle indicates that the system is reaching dangerous temperatures, pull over when it's safe to do so to avoid permanently damaging the engine.

An auto repair professional can determine if a faulty serpentine belt is the cause of the problem. If so, they'll recommend replacing it to keep the engine in good condition.

3. Broken Air Conditioning System

auto part

Many vehicle accessories are powered by the engine. If the serpentine belt isn't working properly, these systems won't turn on. While a faulty air conditioner can result from various issues, a failing serpentine belt is a common cause. 

Since the windshield defroster is connected to the AC system, you won't be able to clear a frosty window if the belt is faulty. This can make it difficult to see the road clearly, so have a professional inspect your vehicle to ensure your safety while driving.

4. Steering Issues

The vehicle's power steering system is also impacted by the serpentine belt. Power steering allows you to change lanes and make turns with ease. If the system isn't working properly, it will require significantly more effort to change the vehicle's direction. 

If you notice that the steering wheel is more difficult to use, a failing belt is likely the issue. Replacing the component will ensure you can navigate the roads safely. 

 

If your serpentine belt needs to be replaced, head to Trester Used Auto Parts in Milford, OH. Since 1955, this company has helped drivers stay safe with high-quality auto parts for all makes and models. They'll pick out a new serpentine belt to help power your vehicle and avoid further damage. Call (513) 831-9141 to speak with a friendly team member about your car's problems, or visit them online to learn more about their collection of used auto parts.

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