Mechanic

Weird Car Sounds You Shouldn’t Ignore


November 24, 2025 | Allison Robertson

Weird Car Sounds You Shouldn’t Ignore


Your Car’s Cry for Help

We get it — cars make all kinds of weird sounds, and most of the time you probably turn up the radio and hope it goes away. But some noises are your car’s way of crying out for help.

Car Noises Msn

Advertisement

1. Screeching When You Brake

If your brakes sound like metal-on-metal, your brake pads are probably worn out. Ignore it, and you could damage your rotors — which costs way more to fix.

File:Wheel hub assembly.jpgCschirp, Wikimedia Commons

Advertisement

2. Squealing at Startup

If you hear a loud squeal when you start your car, it might be a loose or worn serpentine belt. This belt powers stuff like your alternator and AC, so don’t ignore it.

PublicDomainPicturesPublicDomainPictures, Pixabay

Advertisement

3. Knocking From the Engine

A knocking noise from under the hood can mean serious engine problems, like worn bearings. It usually means something’s not getting enough lubrication.

File:Ford-I4DOHC-camdrive.jpegDolda2000 at English Wikipedia, Wikimedia Commons

Advertisement

4. Grinding While Shifting

Manual car drivers — if it grinds when you change gears, your clutch could be going out. It could also be transmission trouble. Either way, get it checked.

webandiwebandi, Pixabay

Advertisement

5. Hissing Under the Hood

A hissing sound could mean a vacuum leak or something leaking onto hot engine parts. It could also mean you’re losing coolant or oil. That’s never good.

man driving a car wearing wrist watchwhy kei, Unsplash

Advertisement

6. Clicking While Turning

Hearing a clicking or popping when turning your steering wheel could point to a bad CV joint. That’s a key part of your front axle. Get it fixed before it fails completely.

JESHOOTS.comJESHOOTS.com, Pexels

Advertisement

7. Whining From the Hood

If your car whines when you’re driving, especially while turning, you could be low on power steering fluid or have a failing power steering pump.

MybborMybbor, Pixabay

Advertisement

8. Rattling From Underneath

A rattling sound from under the car might mean a loose heat shield, exhaust problem, or even a broken catalytic converter. It’s worth a mechanic’s opinion.

File:Engine LHS Exhaust Manifold (40561340735).jpgIain Cameron from Ellon, Scotland, Wikimedia Commons

Advertisement

9. Roaring That Gets Louder With Speed

If your car sounds like it’s getting louder as you go faster, it might be a worn wheel bearing or tire issue. Either way, it’s a safety problem.

Hassan OUAJBIRHassan OUAJBIR, Pexels

Advertisement

10. Thudding or Clunking

Clunks when going over bumps could mean worn suspension parts like struts or ball joints. Don’t let your suspension give out completely.

File:Car, Front tire, Failed Ball Joint.jpgElfix, Wikimedia Commons

Advertisement

11. Popping From the Exhaust

Popping noises from your tailpipe could mean your engine isn’t burning fuel properly. It might be a spark plug or fuel injector issue.

File:Backfire (53442842804).jpgThomas Vogt from Paderborn, Deutschland, Wikimedia Commons

Advertisement

12. Squeaking While Driving

Constant squeaking as you drive — even without braking — might be worn-out brake pads that have hit the warning tab. It’s your cue to replace them.

geraldoswald62geraldoswald62, Pixabay

Advertisement

13. Buzzing From the Dashboard

Buzzing behind your dash might just be a loose panel… or it could be an electrical short. If it’s near your fuse box, get it checked soon.

File:Automotive Fuse Box - Volvo XC90 Car (52953529388).jpgTony Webster, Wikimedia Commons

Advertisement

14. Slapping From the Wheels

A flapping or slapping sound could mean your tire is damaged or your tread is separating. This could lead to a blowout — super dangerous.

geraldoswald62geraldoswald62, Pixabay

Advertisement

15. Gurgling After Shutdown

If you hear a bubbling or gurgling sound after turning off your engine, your coolant might be boiling. That’s a sign of overheating or a coolant system issue.

File:Engine coolant.jpgfir0002, Wikimedia Commons

Advertisement

16. Chirping While Accelerating

If your car chirps while you hit the gas, it could be a drive belt slipping. Those belts are important for running your alternator and AC.

tookapictookapic, Pixabay

Advertisement

17. Whistling From the Engine

A high-pitched whistle might mean a vacuum leak in your intake system. This affects engine performance and fuel efficiency.

two white cars with open hoodsErik Mclean, Unsplash

Advertisement

18. Ticking From the Engine

Ticking sounds from the top of the engine might be low oil or valve lifter issues. Check your oil level first, but don’t delay a visit to the shop.

man refilling motor oil on car engine bayTim Mossholder, Unsplash

Advertisement

19. Moaning When You Turn

A moaning or groaning noise when turning the steering wheel usually means a power steering problem. Check your fluid or listen for pump issues.

File:Jeep 2.5 liter 4-cylinder engine chromed h.jpgCZmarlin — Christopher Ziemnowicz, releases all rights but a photo credit would be appreciated if this image is used anywhere other than Wikipedia. Please leave a note at Wikipedia here. Thank you!, Wikimedia Commons

Advertisement

20. Banging From Underneath

A loud bang or thud could be a loose exhaust part or broken suspension. If it keeps happening, get your car on a lift and inspected.

File:Porsche 956 engine and rear structure waste gate, intercooler, intake manifold, oil tank (6293109319).jpgBill Abbott, Wikimedia Commons

Advertisement

21. Screaming From the Transmission

A high-pitched screaming noise could be low transmission fluid or internal gearbox issues. Don’t wait on this one — it gets expensive fast.

File:Automatic Car Transmission (47392182291).jpgDejan Krsmanovic, Wikimedia Commons

Advertisement

22. Whirring From the Rear

Whirring from the back of your car might be the differential or a bad wheel bearing. Either way, it needs attention before things lock up.

File:Jeep CJ 8 Scrambler with lifted car body, detailed view on rear axle with left leaf spring.jpgUser:wallerdog, Wikimedia Commons

Advertisement

23. Silence When You Turn the Key

Okay, not a noise — but silence when your car should start could mean a dead battery, failed starter, or electrical fault. It’s your car’s cry for help.

File:Battery-boost-whitby.jpgMobiletireservicegta, Wikimedia Commons

Advertisement

You May Also Like:

The Ultimate Guide to Tire Maintenance
DIY Car Maintenance That Anyone Can Do
Steer Clear Of These Costly Car Maintenance Mistakes

Sources: 1, 2, 3, 4, 5


READ MORE

Frustrated woman in a driveway with a car in winter, holding a remote start keyfob

The free trial for my new car’s remote start subscription expires right before winter. Is there any other way that I can activate it?

Car companies can now remotely shut off a factory remote-start feature if you stop paying for their subscription, even if it's built into your car. This is official policy of many large automakers, but there are still options for subscription-weary consumers.
September 9, 2026 Carl Wyndham
Concerned Technician Inspecting Windshield Chip

My windshield camera needed recalibration after a tiny chip repair. Are these "minor fixes" getting out of control in new cars?

A windshield chip that once meant a quick resin fill can now involve cameras tied to automatic braking, lane keeping, adaptive cruise control, and other safety systems. Recalibration after a simple chip repair is not universally required, but modern cars have undeniably turned some formerly cheap fixes into much more technical jobs.
September 28, 2026 Peter Kinney
Facebook  Internal

My dealership says my warranty claim is denied because I missed a recall appointment. Can ignoring a recall actually void unrelated coverage?

If a dealership tells you a missed recall appointment killed your warranty claim, that sounds alarming. In most cases, though, a missed recall by itself does not automatically void unrelated warranty coverage. The key question is whether the unrepaired recall defect actually caused or contributed to the problem you want fixed.
October 31, 2026 Miles Brucker
Shocked by the Repair Invoice

I Bought A Vehicle Because It Had Great Safety Ratings, But Repair Costs After A Minor Collision Shocked Me. Is That Normal?

They tell you valuable things about occupant protection and crash avoidance, but they do not promise that the vehicle will be inexpensive to repair. A modern car can perform brilliantly in a severe crash and still produce a painful bill after a parking-lot collision.
August 14, 2026 Peter Kinney
Frustrated Driver Inspecting Windshield Crack

My Windshield Keeps Cracking From Tiny Rocks, And Replacing It Has Become Incredibly Expensive. Are Modern Windshields More Fragile?

Modern windshields carry more technology and cost much more to replace than the simple panes many drivers remember. That does not automatically make the glass more fragile, but it makes every crack feel considerably more painful.
August 10, 2026 Peter Kinney


✕