Knocking noise when driving – cause and solution

You know how a healthy person doesn’t make weird noises? Their heart beats steadily, they breathe evenly, and so on. The same goes for a healthy car. If you’re driving and suddenly your car starts making a strange noise, it’s a sign that something is wrong. It could be something minor like a loose muffler, or it could be something major like an engine problem. Either way, it’s usually not good news.

If your car is making a dull or rumbling noise while you are driving, this can be very alarming. It can be difficult to determine the cause of the noise, and even more difficult to know how to fix it. In this blog post, we’ll discuss the possible causes of this noise and what you can do to fix it. We will also answer some frequently asked questions on this topic.

Let’s take a look

Why is my car making noise when driving?

If your car is making a knocking sound while driving, there are a few possible reasons. Worn tires, warped rotors, bad wheel bearings, worn struts or shocks, and a flat tire are common potential causes. Each of these problems has a different solution, ranging from something you can do at home to something that needs to be done by a professional.

The cost of repair also varies depending on the problem. However, if you keep an eye on your car and listen for unusual sounds, you can catch these issues before they become major problems.

tire problems

Tire-related knocks can come from two things: Either the tread is running low and hitting the pavement awkwardly OR there is something lodged in the tire itself, causing it to tap unevenly when turning. If it’s the former, you’ll probably need a new set of tires sooner rather than later.

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You can check the tread depth at home with one bedroom – if Abraham Lincoln’s head is always visible when inserted into the tread groove, you have more than enough tread and that’s not your problem. However, if the tire is old or you can no longer see the head of the tire, it may be time for a change.

car noise

If there is something lodged in the tire, you can either try to remove it yourself or take it to a professional. If you choose to do it yourself, make sure the car is parked on a level surface and there is enough light so you can see what you are doing.

You will also need a tire iron it is a monkey to lift the car up so you can get to the tire. After removing the tire, inspect it carefully to see if there is anything lodged in it. If there is, try to remove it with pliers or your fingers. If you can’t get it off, take the tire to a professional and they’ll be able to remove it for you.

The cost of replacing tires will vary based on the make and model of your car, but should be around $100 to $300 per tire.

Brake Rotor Problems

Warped rotors can also cause a knocking sound when driving. The rotors are what the brake pads hold to stop the wheels from turning. If they are warped, the brakes may pulsate when you apply pressure. This is usually caused by excessive braking or driving in wet conditions. To fix this issue you will need to recap or replace the rotors. This is a job that should be done by a professional as it requires special equipment.

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The cost of resurfacing or replacing the rotors will vary depending on the make and model of your car, but should be in the region of $100 to $400 per rotor, depending on the vehicle in question.

bad wheel bearings

Another potential cause of a knocking sound while driving is bad wheel bearings. Bearings allow the wheels to spin freely and, if damaged, can cause a knocking sound. This is usually caused by driving over speed bumps or potholes too hard. To fix this problem you will need to replace the bearings. This is a job that should be done by a professional as it requires special equipment.

The cost of replacing wheel bearings will vary depending on the make and model of your car, but should be around $100 to $200 per bearing.

knocking sound when driving

Worn struts or bumpers

Another potential cause of a knocking sound while driving is worn out shock absorbers or shock absorbers. The struts and shock absorbers help absorb bumps in the road, and if they’re worn out, they can’t do their job properly. This can cause the car to wobble more and make a knocking sound. To fix this issue, you will need to replace the struts or shock absorbers. This is a job that should be done by a professional as it requires special equipment.

The cost of replacing struts or shock absorbers will vary depending on the make and model of your car, but should be around $100-$200 per strut or shock absorber.

Flat tire

A flat tire can also cause a tapping sound while driving. If you have a flat tire, this can cause the wheel to hit unevenly when turning. To fix this problem, you will need to repair or replace the tire. This is a job that can be done by a professional or at home if you have the right equipment.

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The cost of repairing or replacing a tire will vary depending on the make and model of your car, but should be around $100 to $200 per tire.

knocking sound when driving

Is it dangerous to continue driving if your car is making a knocking sound?

If you hear a knocking sound while driving, it is best to stop and investigate the source of the noise. Continuing to drive with a knocking noise could damage your car or cause an accident. If you cannot identify the source of the noise, it is best to consult a professional mechanic.

Driving with a crashing noise is not worth the risk. Better safe than sorry! Knocking sounds can be caused by anything from low tire pressure to engine trouble in more serious cases, so it’s always best to err on the side of caution. Your safety is always more important than arriving at your destination a few minutes early.

So if you hear a knocking sound while driving, stop and find out what’s going on.

In short

There are a few potential causes of a knocking sound while driving. If you have worn tires, warped rotors, bad wheel bearings, worn struts or shock absorbers, or a flat tire it can cause the car to make a thumping sound. To fix this issue, you will need to have the affected parts repaired or replaced by a professional.

The cost of repairs will vary based on the make and model of your car, but should be around $100 to $500 per repair. Thanks for reading! We hope this has been helpful! Drive carefully

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