9 Car Noises You Should Never Ignore

One mechanic is working on a car.

Key Takeaways:

  1. You should never ignore the more common car noises: grinding, hissing, and clicking. These noises can indicate serious problems with your car that needs immediate attention.
  2. Engine knock usually indicates a build-up of deposits in your engine. Still, it could also signify a more serious problem, such as a cracked engine block.
  3. The CV joint connects the wheels to the axles; if it’s damaged, it can cause a clicking noise.
  4. Don’t hesitate to take it to a car mechanic for a diagnosis when you hear weird noises from your car. It’s better to be safe than sorry!

Noise in your car is never a good thing. It usually means something needs fixing, and the sooner you attend to it, the better. If your car starts emitting strange noises, it’s important to pay attention and figure out what might be wrong. Ignoring strange noises from your vehicle can lead to more serious problems down the road.

Remember that some noises are more serious than others, and some can even be dangerous if left ignored.

Read: Common car noises & what they mean!

In this post, we’ll list some of the noises you should never ignore in your car to keep your vehicle running smoothly & safely. Happy driving!

1. Engine Knock

An engine knock is a sharp, metallic sound from the engine. It’s usually caused by a build-up of deposits on the piston or valves. It can be pretty serious if left unchecked. If you hear knocking from your engine, it could indicate something wrong with the pistons or rods. It also signifies a more severe problem, such as a cracked engine block. A car mechanic should check this serious problem out as soon as possible.

2. A Clicking Noise When You Turn

If you hear a clicking sound when you turn the steering wheel, it could indicate a problem with the CV joint. The CV joint connects the wheels to the axles; if it’s damaged, it can cause a clicking noise. Getting these noises checked out by a car mechanic is important.

3. A Screeching Noise When You Brake

A screeching noise could be an indication of a problem with the brakes. The brakes may need to be replaced or adjusted if they’re making this noise. Get your brakes checked by a car mechanic.

4. Whistling Noises

If you hear a whistling noise from under the hood, it’s likely caused by a problem with the turbocharger or supercharger. This problem needs to be fixed immediately. If you ignore it, the damage will only worsen and could eventually lead to engine failure.

5. Windshield Wipers That Make a Loud Noise

The blades on your windshield wipers wear down over time, and when they get too worn, they can start to make a loud noise. If you notice that your windshield wipers are making a noise, it’s a good idea to replace them. However, it’s not a problem that needs your immediate attention.

6. A Knocking Noise When You Turn the Wheel

A knocking sound when you turn the wheel indicates there’s an issue with your suspension. The suspension is responsible for providing a smooth ride. If there is any damage, it will need to be repaired or replaced. If you hear this noise, make sure to take your car in for service so that the suspension can be checked and repaired if necessary.

7. Bubbling Or Hissing Sound From The Engine

It could indicate a coolant leak if you hear your engine’s bubbling or hissing noise. Without coolant, your engine would overheat and break down. It’s vital to keep your engine running at the correct temperature, so if there is a leak, it could cause some serious damage to your engine. If you’re not sure, check the dashboard for a coolant warning light.

8. A Grinding Noise When You Drive

Any problem with the transmission system may produce a grinding noise. The transmission may need to be replaced or repaired. If you hear this noise, it’s crucial to have the transmission checked by a car mechanic. There’s nothing you can do yourself.

9. Rattling Or Clanking Noises

If you hear a rattling or clanking noise from under the hood, it could indicate that something is loose. This could be something as simple as a loose heat shield or something more serious, like a heat shield or exhaust manifold. The exhaust system is responsible for redirecting fumes away from the engine. If it is damaged, it can cause the fumes to leak into the cabin of the car.

In either case, it’s best to have your car checked out by a car mechanic to be safe.

What to Do When Your Car Makes Weird Noises?

You can either ask someone knowledgeable about cars or look up the noise online.

However, you should get in and drive it around for a bit. This way, you can listen to the noise and narrow down where it comes from.

Once you have identified the noise source, you can look up what it could be and how to fix it.

Regularly checking your car for these sorts of noises can help keep it running smoothly and avoid any serious issues.

One mechanic is working on a car.


These are just a few of the car noises you should never ignore. If you hear any strange noises coming from your car, it’s always best to have it checked out by a professional. Preventative maintenance can go a long way in keeping your car running smoothly for years.

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