By Alex Carter, March 10, 2026

Mechanic Highett

Detecting unusual sounds from your car can be perplexing. Many drivers often disregard noises, assuming they’re minor or waiting for the upcoming scheduled service. While some sounds may not warrant immediate attention, others could indicate significant issues that shouldn’t be ignored. Recognizing these noises is essential for timely intervention, helping to prevent further damage and costs. Here are some common car sounds to pay attention to and the concerns they might signal.

Screeching Sound When Braking

What you hear: A high-pitched squeal when you apply the brakes.
What’s happening: This sound often originates from the brake pad wear indicator touching the rotor.
Cause for concern? While this isn’t an immediate emergency, it serves as a reminder that your brake pads are likely worn and need replacement soon.

If you experience this sound, plan an appointment for a brake inspection. Most brake-related noises indicate potential issues, and having a professional take a look ensures your safety and vehicle functionality.

Squealing Noise When Driving

What you hear: A loud squealing noise emanating from under the hood.
What’s happening: This can indicate a loose or worn serpentine belt.
Cause for concern? Yes, it’s critical to address. The serpentine belt powers essential systems in your vehicle. A failing belt can result in loss of power to your engine’s accessories or, worse, could snap and leave you stranded.

If you notice this sound, don’t wait for it to result in a breakdown. Schedule a vehicle inspection with a car maintenance service to assess the remaining life of this crucial component.

Loud Noise When Starting

What you hear: A grumbling noise, reminiscent of a tired engine, when starting your car.
What’s happening: This noise usually means your battery is losing power.
Cause for concern? While not dangerous immediately, it signals a battery that could fail at any moment. The slower the start, the closer you may be to needing a replacement.

A test can determine the battery’s health. Consulting with a knowledgeable technician can save you from sudden breakdowns in the future.

Roaring Noise When Driving

What you hear: A loud roar originating from beneath the driver’s seat.
What’s happening: This noise likely stems from a leak or crack in your exhaust system.
Cause for concern? Yes, a failing exhaust system not only allows engine noise to fill the cabin but also risks carbon monoxide exposure, which can be dangerous.

Don’t take this lightly. It’s crucial to have exhaust issues addressed without delay to ensure complete safety while driving.

Flapping Sound with Air Conditioning

What you hear: A flapping or slapping sound when using the air conditioning or cabin blowers.
What’s happening: This likely indicates a malfunctioning ventilation flap.
Cause for concern? This issue is usually not urgent; however, it can affect airflow. It’s worth investigating since it could worsen if left unattended.

Consider scheduling an air conditioning performance check when convenient, avoiding a potentially annoying problem in the future.

Groaning Noise When Turning

What you hear: A groaning sound when turning the steering wheel.
What’s happening: Typically, this signals friction in the power steering system that could soon lead to pump failure.
Cause for concern? Yes, this is a significant safety issue. Delaying inspection can hinder your vehicle control and may lead to a full breakdown of the steering system.

Schedule an inspection with a reliable mechanic as soon as possible. Reducing the chance for significant repairs could save you financially in the long run.

Squeaking Noise When Turning the Steering Wheel

What you hear: A light squeak from the steering column.
What’s happening: Likely a sign of low power-steering fluid.
Cause for concern? Generally, it isn’t a major safety issue. Topping off the power-steering fluid should resolve the sound. However, if it persists, it could signal a leak that requires further investigation.

Regularly checking and maintaining fluid levels will help prolong the life of your steering components and prevent costly repairs.

Metal Grinding Sound from Brakes

What you hear: A loud, unmistakable grinding noise when braking.
What’s happening: This indicates that brake pads are excessively worn, allowing the calipers to grind against the rotors.
Cause for concern? Absolutely. Metal-on-metal contact can severely compromise your braking ability, increasing the risk of accidents.

Prioritize brake maintenance and repair to ensure your safety. Regular checks can lead to timely replacements and a safer driving experience.

In conclusion, your vehicle communicates through various sounds. Paying attention to these cues and addressing them swiftly helps maintain the performance and safety of your car. Should you notice any of these sounds, consider scheduling a diagnostic visit with a qualified technician. Your vehicle’s health care is essential for its longevity and your driving safety. For more specific offers and services related to mechanic Highett, be proactive by consulting with your local professionals today.