Car Maintanance

5 Car Engine Noises You Shouldn’t Ignore

A nicely tuned car engine has a pleasant hum that car lovers enjoy. But, when strange noises interrupt that smooth sound, it can be worrisome. Your car's engine is complicated, so when it makes unfamiliar sounds, it often indicates a problem. Here are five engine noises you shouldn't ignore, what they might mean, and what you should do to keep your car running smoothly.

The Chirping or Squealing Serpentine Belt

A distinctive chirping or high-pitched squeal emanating from your engine is often indicative of a worn or misaligned serpentine belt. This lengthy, snaking belt is responsible for driving several engine components and its failure could result in your car coming to a standstill. This noise is often most noticeable when the car is initially started. Ignoring this sound could have serious consequences. It's advisable to have your vehicle inspected by a trained professional who can determine whether the belt needs to be replaced or merely adjusted. They can ensure the belt is properly aligned and functioning as it should, thereby preventing potential breakdowns.

A Constant Clicking or Tapping Noise

If your car's engine is producing a consistent clicking or tapping sound, it's often an indicator of low oil pressure. A variety of issues can cause this, such as low oil levels or poor circulation of oil throughout the engine. Without sufficient oil, the engine components lack the necessary lubrication they need, which can lead to substantial damage over time. To avoid this problem, make sure to regularly monitor your oil level and follow your car manufacturer's recommended oil change schedule. If this particular car engine noise arises, don't ignore it. Act swiftly by checking your oil level right away and replenish it if needed.

A Loud Knocking Sound

Hearing a prominent knocking sound coming from under your car's hood is an alarming indicator of a potentially severe issue. This disconcerting noise is often a symptom of deteriorated engine bearings. These components are crucial for the smooth operation of your car's engine. Over time, if the bearings become worn or damaged, it can set the stage for a devastating engine failure, which could be both dangerous and expensive. This is not a sound to shrug off or delay dealing with; the moment you notice it, you should arrange for an immediate inspection by a qualified mechanic.Ignoring this sound could lead to extensive damage and costly repairs, potentially leaving you without a vehicle for a considerable period. Act promptly to ensure your car remains reliable and safe.

The Whining Transmission

A sound that you may hear from your car's engine that should not be dismissed is a high-pitched whining or humming noise. This particular sound, which often fluctuates in line with your engine speed, could be a telltale sign of a transmission issue. The problem may be rooted in a lack of transmission fluid or the deterioration of gears. It is important to regularly check your transmission fluid levels and ensure that your vehicle is serviced routinely to circumvent this issue. However, if this car engine noise begins to manifest, it's crucial to have your vehicle examined by an expert. They can correctly identify the problem, helping you avoid potentially substantial transmission repairs down the line.

The Rumbling Exhaust System

A deep, resonating rumble from your vehicle is often indicative of an exhaust system issue. The culprit could be a puncture in your muffler, an exhaust pipe breach, or a faulty exhaust manifold gasket. Besides the disruptive noise, these problems can create harmful exhaust leaks. If inhaled, these fumes can pose a significant health risk. So, if your car starts to sound more like a growling beast than a purring kitten, it's a clear sign you should promptly seek a professional's help. An experienced mechanic can inspect your exhaust system, accurately pinpoint the problem, and carry out the necessary repairs. This proactive approach will not only quiet the rumble but also safeguard your health and maintain your car's performance.


Your car's engine is a finely tuned machine, and abnormal sounds should never be overlooked. By paying attention to these five distinct noises – the chirping serpentine belt, constant clicking or tapping, loud knocking, whining transmission, and rumbling exhaust – you can identify potential issues early on and avoid more extensive and expensive repairs. Powerhouse Auto Garage is your trusted partner for all your automotive needs in Dubai. Our professional team is dedicated to providing top-notch car care services, ensuring your vehicle runs at its best. Regular maintenance and prompt attention to these warning signs will keep your vehicle running smoothly and extend its lifespan. Contact us today for expert care for your car, and let us ensure the continued optimal performance of your vehicle.