Car Making Creaking Noise When Going Over Bumps [6 Possible Causes]


Do you have a car that makes a creaking noise when you go over bumps? If so, don’t worry – you’re not alone! When your car starts making creaking noises when going over bumps, it is usually due to a failed component of the suspension system. In this blog post, we will discuss six possible causes of this problem.

If your car is making noise when going over bumps, it could be due to worn-out suspension bushings, worn-out ball joints, bad shock absorbers, bad suspension springs, worn-out suspension bushings, or bad strut cartridges.

Car Making Creaking Noise When Going Over Bumps [6 Possible Causes]

Car Making Creaking Noise When Going Over Bumps [6 Possible Causes]

Creaking noise when going over bumps is associated with the suspension system. The suspension system consists of many parts, but only six can really contribute to a creaking noise. My vehicle started creaking when going over bumps. So, I took it upon myself to find the possible cause for this. Hopefully, by reading this post, you will be able to identify the source of the problem and fix it quickly!

1. Worn-out suspension bushings

Car Making Creaking Noise When Going Over Bumps [6 Possible Causes]

Your car’s suspension system is responsible for a smooth ride, and the bushings play an important role in that system. The bushings are basically cushions that absorb shocks and vibrations. They’re made of rubber or polyurethane and are located at various points in the suspension, including between the body and frame, between the axle and frame, and between the control arms and steering knuckles.

If your car is making a creaking noise when going over bumps, it’s possible that the problem is with your bushings. Bushings are rubber or polyurethane components that act as cushions between metal parts in your suspension system. Over time, they can become worn out and damaged, causing them to make noise.

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The bushings are found at the point where the suspension arms connect to the chassis. Over time, bushings can become worn out, causing a number of problems such as increased vibration and noise. In order to check the condition of your bushings, you will need to take a look at them while the car is on a lift. If you see any cracks or missing pieces, then it is time to replace them. In addition, you should also check for any excessive play in the suspension arms. This can be another sign that the bushings need to be replaced.

2. Worn-out ball joints

Car Making Creaking Noise When Going Over Bumps [6 Possible Causes]

A suspension ball joint is a type of automotive suspension component. Its primary function is to allow the suspension to pivot on two axis points, fore-aft and up-down. This allows the wheels to maintain contact with the ground as the vehicle body moves over bumps and around turns.

Ball joints are also an important safety feature, as they help to keep the wheels in alignment with the body of the vehicle.

Worn-out suspension ball joints can be one reason why your car might be making a creaking noise when going over bumps. The ball joints are what connect your car’s suspension system to the wheel hubs, and they allow your wheels to move up and down as you drive over uneven surfaces. When they become worn out, they can start to make noise as they rub against each other.

In addition, worn-out ball joints can also cause your car’s wheels to misalign, which can lead to uneven tire wear and decreased handling.

To inspect the suspension ball joints, take a look at the rubber boots that cover the ball joint. These should be free of cracks or other damage. If they are damaged, it is a good sign that the ball joint itself is also worn out. Next, check for any play in the ball joint by grasping it firmly and trying to move it up and down.

If there is any play, it’s time to replace the ball joint. Finally, take a look at the CV joint boot. This should also be free of cracks or damage. If it is damaged, it means that dirt and debris have gotten into the CV joint, and it needs to be replaced as well.

3. Bad shock absorbers

Car Making Creaking Noise When Going Over Bumps [6 Possible Causes]

A car’s suspension system is integral to the safety and comfort of the passengers. The suspension system includes shock absorbers, which are designed to absorb impact and protect the passengers from jolts and bumps in the road. Shock absorbers work by using a piston to convert kinetic energy into heat, which is then dissipated by oil flowing through small tubes.

This process helps to dampen the vibrations caused by impact, making for a smoother ride. While all cars have shock absorbers, they are especially important in off-road vehicles, which are subject to more jarring and uneven surfaces.

The job of the shock absorber is to dampen the movement of the suspension, so when they are not working correctly, you will definitely notice it! Not only will the ride be rougher, but you will also hear a lot of noise as the metal components rub together.

When inspecting shock absorbers for faults, it is important to look for signs of leaks, damage to the piston rod, and excessive wear on the bushing. If any of these problems are found, it is advisable to replace the shock absorber as soon as possible.

Additionally, it is important to check the shocks for proper alignment and tension. Improper alignment or tension can cause premature wear and may eventually lead to failure. By regularly inspecting shock absorbers and keeping an eye out for signs of wear, it is possible to extend their lifespan and ensure a smoother ride for everyone.

4. Bad suspension springs

When it comes to suspension, springs are one of the most important components. They are responsible for absorbing shocks and keeping the ride smooth. There are two main types of springs: coil springs and leaf springs. Coil springs are made of a single piece of wire that is coiled into a spring. Leaf springs, on the other hand, are made up of several metal leaves that are stacked on top of each other.

Both types of springs have their own advantages and disadvantages. For example, coil springs are less likely to break than leaf springs, but they can be more difficult to replace if they do break. Leaf springs, on the other hand, provide a smoother ride but may not be as durable as coil springs.

If your car is making a creaking noise when going over bumps, it could be due to bad suspension springs. The springs are responsible for absorbing the impact of bumps and potholes, and over time they can weaken and break. In addition, the rubber bushings that connect the springs to the frame can also degrade, causing a loss of cushioning. As a result, your car will make more noise when going over bumps, and the ride will be less comfortable.

If you suspect that your car’s suspension springs are damaged, there are a few things you can do to check them. First, take a look at the shock absorbers. If they appear to be leaking fluid or are excessively worn, this is a good indication that the springs are also in bad shape.

Next, try pressing down on the front or rear of the car. If the car bounces more than once after you release it, this is another sign that the springs are damaged. Finally, have a qualified mechanic take a look at your car to confirm that the springs need to be replaced.

Replacing suspension springs is not a difficult task, but it is important to make sure that it is done correctly in order to avoid further damage to your car.

5. Worn-out suspension bearings

In a car, the suspension system helps to provide a smooth ride by absorbing shocks from bumps in the road. The suspension system consists of a variety of parts, including springs, shock absorbers, and stabilizer bars. Another important part of the suspension system are the bearings. Bearings allow the suspension components to move freely while supporting the weight of the car.

There are two main types of bearings used in cars: ball bearings and bushing bearings. Ball bearings are composed of metal balls that rotate within a metal casing. Bushing bearings, on the other hand, use cylinders of metal or plastic that slide against each other. Both types of bearings play an important role in providing a smooth ride for passengers.

When suspension bearings get worn out, they become noisy. The noise coming from the suspension bearings is mostly due to improper lubrication. On the other hand, if the bearings are not properly aligned, they can become stiff. Either way, worn-out suspension bearings can produce a creaking noise when driving over bumps.

Fortunately, there are a few simple steps that everyone can take to inspect their suspension bearings. First, check the wheel bearings for play. To do this, grasp the tire at 12 and 6 o’clock and attempt to move it back and forth. If there is any movement, the bearings are worn and need to be replaced. Next, check the shocks and struts for leaks.

A simple way to do this is to press down on the corner of the car – if the car bounces more than once, the shocks are worn out and need to be replaced. Finally, check the tie rods for wear. To do this, grab the wheel at 3 and 9 o’clock and attempt to move it from side to side. If there is any movement, the tie rods are worn and need to be replaced.

6. Bad strut cartridge

A suspension strut cartridge is a critical component in a vehicle’s suspension system. It helps to dampen the shocks from bumps and potholes, providing a smoother ride for passengers. In addition, the suspension strut cartridge helps to support the weight of the vehicle, distributing the load evenly across the suspension system.

Without a properly functioning suspension strut cartridge, a vehicle’s suspension system would not be able to properly support the weight of the vehicle, leading to poor handling and a bumpy ride.

A car making creaking noise when going over bumps could be due to a bad strut cartridge. The strut cartridge is the part of the car’s suspension that helps to absorb shock and cushion the ride. Over time, it can become damaged or worn, causing the car to make creaking noises. In some cases, this can also lead to a bouncing sensation when driving over bumps.

In order to inspect the strut cartridge, you will need to remove the wheel and brake assembly. Once this is done, you will be able to see the top of the strut cartridge. If there is any damage to the piston or seal, it will need to be replaced. In addition, if there is any leaking oil, this also indicates that the strut cartridge needs to be replaced.

Is It Safe To Drive With A Squeaky Suspension?

Car Making Creaking Noise When Going Over Bumps [6 Possible Causes]

When driving, it’s important to be able to rely on your vehicle to function properly. Squeaky suspension can be a sign that your car is in need of repair.

While it may not seem like a big problem, driving with a squeaky suspension can actually be quite dangerous. Having squeaky suspension means that your car isn’t as stable as it should be. This can make it more difficult to control, especially on uneven roads or in bad weather. In addition, if your suspension is failing, it can cause other parts of your car to break down as well.

A car’s suspension system is one of the most important parts of the vehicle. It is responsible for providing a smooth ride, absorbing shock, and keeping the tires in contact with the road. The suspension system consists of several components, including springs, shock absorbers, and control arms. In order to function properly, all of these parts must be in good condition.

If any of them are worn or damaged, it can cause problems with the ride quality and handling. That is why it is important to have a suspension system that is in good working order. By making sure that your suspension system is in good condition, you can help to ensure that your car will provide a smooth and comfortable ride.

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Hi there. I am a certified Automotive Service Excellence (ASE) mechanic since 2018 and a car detailer for 10 years.

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