Wind Noise Reduction In Car: How To Fix Common Source Of Disturbing Sound When Driving

blue coupe in front of a gray house

Last Updated: July 4, 2021

When it's windy, you'll have one noisy ride unless you know how to reduce wind noise in your car.

True, right?

You'll keep on checking your door and windows to make sure they're closed. It might be so annoying that you'll increase the volume of music to minimize wind noise or have to speak louder if you have company in the car.

We don't want it to get to that, so we'll tackle this problem conclusively.

We'll look at causes then delve deeper into solutions to wind noise in cars.

Why You Can Hear Wind Noise While Driving

blue porsche on the road

When you know where the wind is coming from, you'll seek the best ways to block it. Maybe it's just one small problem that's giving you such distressful rides. Let's look at common causes such as...

Air Pressure

While driving, there's high pressure inside your car and low pressure outside. Therefore, the vents in your car allow the air inside to escape to stabilize pressure.

On the other hand, the environment pushes air into the car through the same air vents. These vents serve that specific purpose, so they do so quietly. However, you'll end up with wind noise if there are other openings in your car.

Low-Quality Aerodynamics

Poor aerodynamics reduce wind resistance as your car moves, which leaves the wind gushing through your window. Some of the best aerodynamics are in sports cars. Tractors may not even need such aerodynamics as they serve a different purpose, not driving on the freeway.

Now, imagine you're on a highway, yet your car's air resistance is almost similar to a tractor's.

Do you see the problem? 

The Seals

When the weatherstripping on your car doors and windows wears out, there'll be holes for air to escape, and it'll be a noisy process.

You need these seals to keep out elements like water, so regular maintenance of the weatherstripping not only stops wind noise but also protects your car's interior.

In my opinion, the noise emanating from worn-out seals is more irritating than any other source.

Why? When the seal on your car door flattens or rips off in some parts, it leaves a tiny space.

Therefore, as you drive on the freeway, the wind rushes in, or the air inside escapes, making a disturbing whistling noise.

Non-Acoustic Windshields

windshield of an orange car

Acoustic windshields have two glass panels with a vinyl layer sandwiched between them. The outcome of such engineering is a lightweight and windproof windshield. Consequently, if the one in your car is non-acoustic, it has two laminated glass panels only.

Weather Change

Sometimes, the weather is responsible for the increase in wind noise. For example, when driving through a thunderstorm, you'll have the wind whistling from all around. However, you must be driving your car fast for such interference.

Also, if you've had this experience, even on days with fair weather, then something else is to blame.

Now you know the top sources of wind noise in cars. The next step is...

Identify The Source of Wind Noise

It's the first and crucial step as you learn how to reduce wind noise in the car. You may already have an idea but aren’t sure it’s the cause. Or, you’ve never thought that such problems are worth fixing. So, let’s go over this process before you contemplate getting a new car altogether.

Inspect Your Car For Broken Seals Or Openings

Start with the weatherstripping of your car doors and windows, then inspect the sunroof, trunk, and all other components for openings.

They might be small openings or cracks that'll need a keen eye to see them.

It might take you a few attempts to pinpoint all the problems in your car, so do it often until you spot all the unnecessary openings.

Check For Wind Resistance

You'll have to take your car for a drive to test its aerodynamics. Drive at average speed and listen for any sounds in the car. Hence, the radio shouldn't be on. Alternatively, bring your friends along to help you listen for unnatural sounds from different positions in the car.

Once you find the cause, it's time to fix your car.

Tips On How To Fix Wind Noise In Your Car

The solution depends on the problems identified above. Hence, we'll list a few solutions starting with:

Replace The Weatherstripping

man replacing the car weatherstrip for maintenance

Replacing your weatherstripping because it has some broken or loose parts is more cost-effective than repairing. It's a DIY project that'll take you about a day on your first attempt.

Here's what you'll do.

  • Strip off the old seal from your doors or windows.
  • Clean the track with a clean cloth and an appropriate cleaner. Remove adhesive residue, and let the weatherstripping track dry completely.
  • Apply weatherstripping adhesive on the track, enough for the new layer of the rubber seal.
  • Set the rubber seal on the track, and align it.
  • Press the seal firmly into the track and leave it to dry.

From the moment you fix it, car door seal wind noise won't bother you.

Repair Defective Car Components

For example, if you found that your door has a dent near the handle or a damaged latch, you need to repair them. Some problems, such as dirt on the car door frame, are easy to fix, but other situations require a mechanic's assistance.

While at it, seal any openings on the exterior and clear the debris in the door drain holes.

Close each door at a time to ensure there are no obstacles that prevent your doors from locking completely.

Install A Wind Deflector

A wind deflector is a plastic shield that hangs over your windows. It's a good solution when you want to fix one window only instead of weatherstripping the whole car. You only need to get a few supplies other than the wind deflector.

What's more, it doesn't change the aesthetics of your exterior or require drilling and other cumbersome repairs. It's also a simple DIY project, and here are the main steps.

  • Choose wind deflectors meant for your car model.
  • Roll down and clean the window above which you want to install the deflector.
  • Clean the window with a mild cleaner and a paper towel. Also, clean the window frame, trim, and track. Spend a little more time on the window frame and wipe off any grime on it, then let it dry.
  • Insert the deflector into the channel, starting with the top corners. If it came with window clips, attach them too.
  • Roll up the window to confirm there are no obstructions on the channel. Leave it rolled up for a day so that it aligns.

Other simple solutions are...

Seal Permanently Closed Windows

If your car has such windows, the sealant in them may wear out. Maintain them using clear acoustic caulk.

Replace Your Windshield

If it's not acoustic, replace it with one to withstand the air pressure.

You'll need to read the specs of your model to see what you got for a windshield.

On the same note, when you ask a mechanic to replace it, ensure you're getting an acoustic one.

In summary, use a few of these solutions if you're getting wind noise from several sources.

Here's the process how to easily remove and install a windshield:

Frequently Asked Questions

How Do I Locate Where Wind Noise Is Coming From In A Car?

It's a simple process, as we discussed earlier, one that'll need some leisurely driving as you listen to all the noises inside. If you've searched for the cracks with no luck, use an air compressor.

Ask a friend to sit in your car with all the doors and windows closed, then shoot air through the weatherstripping or possible cracks. Alternate the spots until the person inside pinpoints the part letting air into the car.

Is There A Quick Fix To Get Rid Of The Car's Wind Noise?

Yes, most of the solutions we've listed above will take you a few hours. For instance, you can install new weatherstripping in a few hours.

However, for solutions like installing a wind deflector, you'll give it about 24 hours to align to your window. Once you fix your car, plan regular maintenance to prevent the problem from recurring.

What Is The Cause Of Noise Coming From The Car Window?

We talked about several causes earlier, such as poor quality aerodynamics and air pressure. In short, if your car allows air inside because of worn-out components or mechanical defects.

Final Thoughts

Wind noise reduction in a car is easy, as long as you locate all its sources. One of the top issues is a worn seal. In any case, it's bound to wear out or lose its shape from the regular closing and opening of doors and windows.

But, regular maintenance can prevent wind noise from sipping through weatherstripping. After highlighting the problem, possible solutions are replacing the worn-out components, repairing the exterior, and installing a wind deflector. First, know the cause of car door seal wind noise. It’ll save you time and money.

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