2020 Kia Optima
  

At some point, most drivers experience strange sounds coming from their cars. These noises are likely symptoms of a bigger problem. If you've noticed any of the sounds listed here, check out our list below to get an idea of what these sounds might be indicating.

Squeaky Brakes

When you hear squeaking sounds from the brakes, this indicates that your brakes need servicing of some kind. Since the brakes take a lot of stress, they need regular maintenance to ensure they are functioning properly. Squeaky brakes can mean brake parts, such as the rotors, need adjusting or lubricating. It can also mean that the brake pads have worn out and need to be replaced.

Engine Rattling

A rattling engine sound is more than likely a sign that something is wrong with the ignition process. Premature ignition, or pre-detonation, will cause this sound and occurs when the engine has become overheated, the ignition timing is not right or the fuel octane ratings are incorrect. These conditions will cause improper air and fuel mixture, which leads to the early ignition problem.

Engine Clicking

A clicking sound coming from the engine generally relates to the oil level. When you hear this sound, your car is probably low on oil. You can check the levels yourself to see if you need a top-up or an oil change. If an oil change doesn't resolve the clicking sound, there may be a different problem, such as a problem with the upper valvetrain.

Knocking From Under the Hood

Knocking sounds coming from under the hood generally indicate a damaged, loose or wrongly fitted part. Some parts that can cause this sound include connecting rods, engine valves and pistons. If you notice a sound like this, bring your car to a mechanic as soon as possible.

Engine Squealing

When the engine of your car is squealing, there may be one of several problems going on. A worn-out or loose accessory belt is often the cause of this sound in older vehicles. The same type of problem can occur in newer vehicles with the serpentine belt. Often, these issues can be resolved with a simple adjustment. However, sometimes an accessory belt or serpentine belt will need to be replaced to fix the problem.

Now that you have a better idea of what various car sounds mean, if your car requires maintenance or repair, bring it to our Kia dealership in Houston for an expert opinion.

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