Why does my car make noise after its off?

Once you turn the car off, those metals will cool and contract. When you have different metals cooling off at different rates, they sometimes “bump” into one another. These tiny bumps produce the “pang” or “ping” you hear coming from your turned-off car.

Why is my Cadillac making a clicking noise?

Damaged CV joint: The most common cause of a clicking or popping sound from the wheels is a broken CV joint. The CV joints, which stand for Constant Velocity, are essentially the wrists of your vehicle’s steering system.

Why is my engine making a flapping sound?

A Flapping Noise Do you hear a flapping sound—almost as if you’re driving on a flat tire, only all the tires on the car are fully inflated? If yes, then it is most likely that you have a broken fan belt in the engine of the car. The good news is that replacing a fan belt is a pretty standard and easy fix.

Why does my car make a rattling noise when I stop?

Rattling from under your car– This can be caused by loose parts such as your exhaust system. Squealing wheels while braking– Causes range from small, such as dirt on the brake pads or rotors, to serious, such as worn pads. Brake noises are safety issues and require immediate attention.

Why is my engine so loud when I start my car?

If you’ve noticed that your engine sounds much louder than normal, don’t just turn up the music and hope it goes away! There are a number of possible causes, including low engine oil, a busted muffler, or dirty spark plugs.

When I start my car I hear a clicking noise?

It might be a battery or alternator problem. A rapid clicking noise when trying to start your car could mean there’s something wrong within the electrical system. Perhaps your battery’s dead, or your alternator, which charges the battery, isn’t working correctly.

What does it mean when your car sizzles?

Sizzling or Hissing It’s hard to hear when the car is running, but if you hear it when the car stops, it’s usually indicative of a leak beneath the hood. Because the engine is hot, anything that drips on it will lead to a sizzle. You might have a coolant or oil leak, or there might be a leak in one of the vacuum lines.

Why does my car make a grinding noise when idling?

If you hear this grinding noise both while you’re driving and idling, it’s possible that worn-out bearings are to blame. If the grinding noise comes when you shift, it’s likely due to a worn clutch. Grinding when you turn a corner could be due to a CV joint that needs to be replaced or another suspension issue.

Why does my car make a loud noise when idling?

Loud idling is usually caused by issues with cylinder compression. When there are problems with cylinder compression, you get an uneven fuel-air ratio. As a result, combustion becomes unusual. Having higher pressure inside the cylinder will result in loud idling noise.

Why does my car sound like a tractor when idling?

When your smooth-running car or truck suddenly sounds like an angry tractor, chances are good that something within the exhaust system is to blame. Stevenson colorfully referred to the problem as “a sudden loud Days of Thunder sound,” referencing the Tom Cruise NASCAR-themed racing film from 1990.