What’s That Noise? Common Car Sounds and the Problems That Cause Them
Posted February 17, 2025
There’s nothing quite as unnerving as hearing an unexpected noise from your car. Whether you’re driving on the highway or simply idling at a red light, those strange sounds often signal potential issues that require attention. Understanding these noises and knowing what they might mean can save you from more significant problems down the road and possibly even prevent dangerous situations. If you hear a squealing noise when you brake, for example, it could be a sign that you need brake repair. In this blog post, we’ll explore some common car sounds and the mechanical issues that could be causing them.
Squealing Sounds
A squealing noise when you brake is one of the most common sounds drivers report. This sound usually indicates worn brake pads that need to be replaced. If you ignore this noise, it could lead to more severe brake problems or even failure. Scheduling regular brake repair can help prevent these issues. According to Dyer, Garofalo, Mann & Schultz, brake failure is responsible for approximately 5% of car crashes in the US annually, highlighting the importance of addressing brake issues promptly to ensure your safety and that of other road users.
Knocking Sounds
If you hear a knocking sound from the engine, it’s time to pay attention. This noise is often related to the timing of combustion and may indicate worn engine parts or an issue with your engine’s internal components. In some cases, using the wrong octane fuel for your vehicle can lead to knocking. Addressing engine knocking quickly is crucial because it can lead to further damage and costly repairs if left unattended.
Hissing Sounds
A hissing noise coming from under your car’s hood might be a sign of a fluid leak, such as coolant or oil. This typically happens when hot fluid leaks onto a hot engine component, causing steam and hissing noises. It’s essential to identify and fix leaks promptly, as they could result in engine overheating or damage. Stay vigilant for any stains or puddles under your car, and don’t hesitate to take your vehicle to a mechanic if you suspect a leak.
Paying close attention to the sounds your car makes can be a critical aspect of car maintenance. Whether it’s squealing brakes, engine knocking, or a mysterious hiss, diagnosing and addressing these noises early can save you time, money, and stress. If you hear unusual brake sounds, it’s a good idea to seek brake repair promptly. Regular check-ups and maintenance can extend the life of your vehicle and ensure that your journeys remain smooth, safe, and sound. If your car is making any of these sounds contact AM-PM Automotive Repair today to schedule an appointment.