Car Diagnostic

Humming Noise in Car Getting Louder With Speed

Mike Cross
Updated Apr 4, 2023
Humming Noise in Car Getting Louder With Speed

It's alarming to notice a humming noise in car getting louder with speed — especially when it comes from an unidentified source. Humming noises in vehicles could show a serious problem or issue.

This blog post will discuss what causes these noises, how to diagnose them properly, and the solutions to fix the root cause. In addition, when professional help may be necessary for repairs or maintenance. 

Causes of Humming Noise in Vehicles

Usually caused by a ranging issue, humming noises in vehicles can root from worn-out tires to faulty bearings. 

Worn-Out Tires

Worn-out tires are the most common cause of humming noises in cars and trucks. The rubber on old tires can wear down over time, causing instability and forming a disturbing humming sound while driving. A continuous buzzing sound from your car could mean that your tires need replacement.

Loose Parts

A loose thread of small parts like nuts and bolts can also cause humming sounds. Once they vibrate because of other components, they can rub against each other during motion — creating noises.

This concern can be periodic but could become more frequent if not addressed quickly. It's necessary to check all nuts and bolts for signs of wear before they cause further damage to other components of your vehicle.

Faulty Bearings

Faulty wheel bearings can be another culprit behind those mysterious humming noises emanating from your car or truck. When bearing surfaces become dry or corroded, they make grinding noises that will increase with speed — until they eventually fail. 

As a result, it can lead to costly repairs. To prevent this problem, a regular professional inspection of your vehicle and wheels can help identify the issue before significant damages occur. 

Diagnosing the Problem

Humming Noise in Car Getting Louder With Speed

Diagnosing the problem with your car can be tricky. However, with the help of these tips, you can spot the trouble of your ride, even without having a background in auto-mechanic.

Visual Inspection

Inspect for problems that may refer to a problem, like checking the tire pressure and alignment. Likewise, check the other components and elements of your auto, like:

  • The steering system
  • Suspension components
  • Engine elements
  • Brakes

If you notice anything out of place or worn down, then it's time to take it to a professional mechanic for further inspection.

Auditory Inspection

Pay attention while driving around town or on highways for strange noises, particularly when speeding up faster than standard speeds (i.e., above 55 mph). This aspect can show a bad wheel bearing, which means it's time to get your vehicle checked by a professional.

Solutions to Fix the Problem

The following are the solutions to fix a humming noise in a car getting louder with speed.

Replacing Worn-Out Tires or Parts

When a vehicle makes a humming noise, the first thing to check is the tires. Worn-out tires can cause vibrations and noises that travel through the car suspension system and into the cabin.

It's essential to replace all four tires at once so that they wear evenly. Doing this will help to prevent an unevenly balanced wheel alignment, which could also contribute to the humming noise.

Adjusting Tire Pressure and Alignment

After replacing the worn-out parts, it's great to adjust tire pressure and alignment of the wheels since these factors can also affect how your car runs. Uneven tire pressures will cause vibrations in your vehicle, leading to more noise than usual when driving on rough roads or over bumps.

Similarly, an incorrect wheel alignment can cause excessive vibration in your steering wheel. It can also increase road noise because of the irregular contact between the treads of each tire and the road surface.

If adjusting tire pressure and wheel alignment does not solve the problem, you may need to consider replacing faulty bearings. It's also a good thing to replace these components regularly:

  • Shock absorbers
  • Sway bars
  • Tie rods

These components help reduce vibration from being transferred from one part of the car suspension system to another.

Benefits of Fixing the Problem Immediately

Fixing a humming noise as early as possible in your vehicle can provide many benefits, like:

Improved Fuel Efficiency


Keeping the tires well-inflated and aligned can help reduce drag on the engine, resulting in improved fuel efficiency. Worn-out or loose parts can cause friction, which requires more energy from your motor to operate efficiently. Replacing worn-out or loose parts with fresh ones can help boost your car's operation and let you save money on fuel costs.

Reduced Vibration and Noise Levels

Faulty bearings or other moving parts dulled over time can contribute to unwanted extra vibrations and troubling humming sounds. Regularly checking and replacing these parts can keep vibrations manageable — while driving for a smoother ride with less noise pollution.

Increased Safety on the Road

Driving around with bad tires can be dangerous because of ineffective steering ability. It can also increase braking distance significantly, particularly when trying to stop quickly during an emergency.

To avoid these unwanted situations, you should maintain tire inflation and make regular replacements to ensure optimal performance. Giving priority to safety and maintenance can help you get through any circumstances throughout the ride.

Professional Assistance for Repairs and Maintenance

Getting the help of an expert with maintenance and repairs can help preserve your vehicle's optimal performance. Qualified mechanics and technicians are the keys to getting reliable services, as they have the knowledge and experience to diagnose and repair car issues.

They also use quality parts and tools that meet industry standards — ensuring accurate repairs. Most companies also offer warranty coverage for their assistance. This advantage can help customers to gain peace of mind about the provided services.


Humming noises in a vehicle that gets louder with increased speed is a common issue that can get fixed. Resolving this issue as soon as possible will help ensure your safety while driving and prevent any further damage from occurring.

The help of an expert can effectively fix these rackety problems and likewise help improve driving safety.

Mike Cross
Life is too short to drive with stock audio

Leave a Reply

Your email address will not be published. Required fields are marked *

linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram