Humming Noise in Car Getting Louder with Speed

The smoothness and quietness of our cars are important to us as car owners. It is possible, however, to hear the car humming from time to time, which can be both annoying and alarming. To ensure a safe and peaceful ride, we will explain the possible causes of humming noise in a car, as well as how to fix them.

What is a Humming Noise in a Car?

Humming sounds can be heard both inside and outside a car, especially while it is moving. There are two types of noise: constant and intermittent, depending on their intensity and frequency. There may be a vibration or shaking that occurs along with humming sounds, which can be felt on the steering wheel, the floor, or the seats.

Possible Causes and Solutions for Humming Noise in a Car

1. Worn or damaged bearings

Problem: Worn or damaged bearings in your car can cause a loud humming noise that increases with speed. If left unaddressed, this issue can lead to more serious problems with your vehicle’s suspension and steering systems.

Solution: The solution to this problem is to have worn or damaged bearings replaced as soon as possible. A mechanic can diagnose the issue by listening to the humming noise and performing a visual inspection of the bearings. Once the problem has been identified, the mechanic will remove the old bearings and replace them with new ones. It’s important to use high-quality bearings that are specifically designed for your make and model of vehicle, as this will ensure the longevity and reliability of the repair. After the new bearings have been installed, the mechanic will test drive the car to ensure that noise has been eliminated and that the vehicle is running smoothly. Regular maintenance and inspections of your vehicle can help prevent bearing issues in the future.

2. Bad ball joints

Problems:

One of the potential causes of a humming noise in your car that increases with speed is bad ball joints. Ball joints are an essential component of your car’s suspension system, connecting the wheels to the control arms and allowing them to pivot and move up and down. When ball joints wear out or become damaged, they can create a number of problems that can affect your car’s performance and safety.

Symptoms of bad ball joints include:

• A humming or rattling noise coming from the front of the car that increases with speed
• A clunking or popping sound when you turn the wheel or go over bumps
• Uneven tire wear
• Steering wheel vibration or looseness
• Poor handling and stability

Solution:

If you suspect that your car’s ball joints are bad, it’s important to have them inspected and repaired as soon as possible. Continuing to drive with bad ball joints can cause serious damage to your car’s suspension and steering system, as well as increase the risk of accidents and tire blowouts.

Here are the steps you can take to address bad ball joints:

• Get a professional inspection: Take your car to a trusted mechanic or auto repair shop for a full inspection. They will be able to identify any issues with your ball joints and recommend appropriate repairs.
• Replace the ball joints: If your ball joints are worn out or damaged, they will need to be replaced. This involves removing the old ball joints and installing new ones.
• Align the wheels: After replacing the ball joints, your car’s wheels will need to be realigned to ensure proper handling and stability.

By taking prompt action to address bad ball joints, you can keep your car running smoothly and safely on the road.

3. Cracked serpentine belt

Problem: 

One possible cause of a humming noise in your car that gets louder with speed is a cracked serpentine belt. The serpentine belt is a long, winding belt that drives many of the engine’s auxiliary components, such as the alternator, power steering pump, and air conditioning compressor. Over time, the belt can become worn, frayed, or cracked, which can cause it to slip or break altogether.

Solution:

If you suspect that your serpentine belt is cracked or damaged, it’s important to have it replaced as soon as possible to avoid further damage to your vehicle. A qualified mechanic can inspect the belt for signs of wear and tear, and replace it if necessary. It’s generally recommended to have the belt replaced every 60,000 to 100,000 miles as part of your vehicle’s routine maintenance schedule.

Replacing the serpentine belt is a relatively simple and straightforward repair that can usually be completed in a few hours. The cost of replacement will depend on the make and model of your vehicle, as well as the cost of the replacement belt itself. However, it’s typically an affordable repair that can help keep your vehicle running smoothly and prevent more costly problems down the line.

4. Scalloping or tire cupping

Problem: 

One possible cause of a humming noise in your car that gets louder as you drive faster is tire scalloping, also known as tire cupping. This occurs when the tires develop uneven wear patterns that result in a choppy or scalloped appearance on the tread. The noise is caused by uneven contact between the tire and the road surface, which creates a vibration that produces a humming sound.

Solution:

The solution to this problem is to replace the affected tires as soon as possible. If caught early enough, you may be able to have the tires rotated and balanced to even out the wear pattern and prolong their lifespan. However, if the scalloping is severe, replacement is the best option.

To prevent tire scalloping from occurring in the future, it’s important to ensure that your tires are properly inflated and that your vehicle’s suspension is in proper condition. Regular tire rotations and alignments can also help distribute wear more evenly across all four tires. If you notice unusual wear patterns or hear unusual noises while driving, have your vehicle inspected by a qualified mechanic as soon as possible.

5. Faulty CV joint

Problem: A faulty CV (Constant Velocity) joint can cause a humming noise in the car that increases with speed. Other symptoms of a faulty CV joint may include vibration or shuddering when accelerating, clicking or popping sounds when turning, and grease leaking from the joint. If left unaddressed, a faulty CV joint can eventually fail completely, causing the car to lose power and potentially leaving you stranded.

Solution: If you suspect that your CV joint is faulty, it’s important to have it inspected and repaired by a qualified mechanic as soon as possible. Depending on the extent of the damage, the mechanic may be able to replace the damaged CV joint or may need to replace the entire axle. In some cases, the mechanic may be able to repair the joint by simply replacing the damaged boot that protects it from dirt and debris.

Prevention: To prevent CV joint damage, it’s important to keep your car’s suspension and steering systems in good condition. Regular maintenance such as tire rotations, wheel alignments, and suspension checks can help to prevent excessive wear and tear on the CV joints. It’s also important to avoid driving over rough terrain or hitting potholes, which can cause damage to the joints. Finally, be sure to have any strange noises or vibrations checked out by a mechanic right away, as they could indicate a problem with your CV joint or another important component of your car.

6. Lack of or incorrect engine oil

Problem:

If your car’s engine oil level is too low or if you’re using the wrong type of oil, it can cause a humming noise that gets louder with speed. This is because the engine isn’t getting enough lubrication, which can lead to increased friction and wear on the moving parts. Over time, this can cause serious damage to the engine and result in costly repairs.

Solution:

The solution to this problem is relatively simple: check your car’s oil level regularly and make sure you’re using the right type of oil. To check your oil level, park your car on a level surface and wait until the engine cools down. Then locate the oil dipstick, pull it out, and wipe it clean with a cloth. Reinsert the dipstick fully, then pull it out again and check the oil level against the markings on the dipstick. If the level is low, add more oil until it reaches the proper level.

When it comes to choosing the right type of oil, consult your car’s owner’s manual or ask a professional mechanic for advice. Using the wrong type of oil can lead to reduced engine performance, increased fuel consumption, and even engine damage. Be sure to use high-quality oil from a reputable brand, and change your oil and oil filter according to the manufacturer’s recommended schedule. By following these simple steps, you can keep your engine running smoothly and avoid the potential for costly repairs down the road.

7. Tires With Aggressive Tread Designs

Problem:

If your car has tires with aggressive tread designs, you may experience a loud humming noise while driving at high speeds. This noise can be annoying and distracting, and it can also make it difficult to hear other important sounds while driving, such as sirens or horns.

Solution:

There are a few solutions to address this issue. One option is to switch to tires with a less aggressive tread design. Tires with a more standard tread pattern will typically be quieter and produce less noise while driving at high speeds.

If you prefer to keep your aggressive tires, there are some steps you can take to reduce the noise they produce. One option is to make sure your tires are properly inflated, as underinflated tires can increase road noise. Another option is to have your tires rotated and balanced regularly to ensure that they wear evenly, which can also reduce noise. Additionally, installing sound-deadening materials in your car, such as noise-reducing mats or insulation, can help to muffle road noise and reduce the humming sound.

8. Issues With The Engine

Problem:

One potential cause of a humming noise in your car that increases with speed is a problem with the engine. Here are some common engine-related issues that can lead to this type of noise:

• Worn-out bearings: Over time, the bearings that support the engine’s moving parts can wear down, causing them to make noise. This can manifest itself as a humming or whining sound that gets louder as you drive faster.
• Loose or damaged belts: The belts that drive various components in your engine (such as the alternator, power steering pump, or air conditioning compressor) can become loose or damaged, leading to a humming noise. This noise may increase in volume as you accelerate.
• Exhaust system problems: If there’s a leak or other issue with your car’s exhaust system, you may hear a humming noise that gets louder at speed. This could be due to a damaged muffler or exhaust pipe, or a problem with the catalytic converter.

Solution:

If you suspect that your car’s engine is causing the humming noise you’re hearing, it’s important to take action as soon as possible. Ignoring the problem could lead to more serious damage and higher repair costs down the line. Here are some steps you can take:

• Have your car inspected by a qualified mechanic. A professional can diagnose the source of the humming noise and determine what repairs are needed.
• Replace worn-out bearings or damaged belts. Your mechanic may need to remove the engine to access these components, so this can be a time-consuming and costly repair. However, it’s important to get it done to prevent further damage to the engine.
• Address any exhaust system issues. This could involve replacing damaged components or repairing leaks in the system. Your mechanic may need to use specialized equipment to diagnose and fix these problems.

Overall, the best way to prevent engine-related humming noises is to keep up with your car’s regular maintenance schedule. This includes regular oil changes, tune-ups, and inspections. By taking care of your car, you can catch issues early and avoid more serious problems down the line.

9. Transmission problems

Problem: Transmission problems can be a serious issue for car owners, as they can lead to costly repairs and even render the vehicle unusable. Some common symptoms of transmission problems include slipping gears, delayed shifting, grinding noises, and fluid leaks.

Solution: If you suspect that your vehicle is experiencing transmission problems, it’s important to have it diagnosed and repaired as soon as possible to prevent further damage. Here are some steps you can take:

Check the transmission fluid level and condition: Low or dirty transmission fluid can cause a variety of problems, including slipping gears and delayed shifting. Make sure to check your vehicle’s owner’s manual for instructions on how to properly check the transmission fluid level and condition. If the fluid level is low or the fluid is dirty, have it changed or topped up by a professional mechanic.

Get a professional diagnosis: If you’re experiencing symptoms of transmission problems, it’s best to take your car to a professional mechanic for a diagnosis. They can use specialized equipment to identify the root cause of the problem and recommend a solution.

Consider transmission repair or replacement: Depending on the severity of the problem, you may need to have your transmission repaired or replaced. This can be a costly repair, but it’s often less expensive than replacing the entire vehicle.

Practice good transmission maintenance: To prevent transmission problems in the future, make sure to follow your vehicle’s recommended maintenance schedule. This includes regular fluid changes, keeping the transmission cool and clean, and avoiding harsh driving habits that can put excessive strain on the transmission.

10. Incorrect cylinder compression

Problem: Incorrect cylinder compression can lead to several engine performance issues, such as misfiring, rough idling, and decreased power output. This problem can also cause damage to other engine components, such as spark plugs, valves, and piston rings, which can result in costly repairs.

Solution: To fix incorrect cylinder compression, you will need to identify and address the underlying cause. Common causes of this issue include worn or damaged piston rings, valves, or cylinder head gaskets, as well as issues with the camshaft or timing chain.

A mechanic will typically perform a compression test to diagnose the issue, which involves measuring the compression pressure in each cylinder. Based on the results of this test, they can determine which cylinders are experiencing low compression and what is causing the problem.

Depending on the cause, the solution may involve replacing faulty components, repairing or replacing the cylinder head gasket, adjusting valve clearance, or performing a complete engine overhaul. It’s important to address this issue promptly to avoid further damage to your engine and to ensure that your vehicle is running smoothly and efficiently.

Conclusion

An increasing humming noise in a car can be indicative of several problems, such as worn wheel bearings, uneven tire wear, or transmission problems. Addressing this issue promptly is important, as it could indicate a problem that will worsen over time, leading to expensive repairs.

In order to diagnose and fix the problem, you should take your car to a qualified mechanic who can perform a thorough inspection. The process may involve replacing worn or damaged components, such as wheel bearings or tires, or performing transmission maintenance.

The sooner you address this issue, the better your car will run, and the less damage it will sustain. Get your car checked out by a professional if you notice a humming noise in your car that gets louder as you drive.