Wheel squeals at high speeds

Front passenger-side wheel squeals (loud) during high rate of speed (55+ mph). Both auto shops didn't have this experience. Per (both) service-techs discussions, the brakes are in good condition.

Your thoughts….jb

My car has 180000 miles.
My car has an automatic transmission.

Experienced mechanics share their insights in answering this question :
Hello.

Wheel squeals can be caused by a few different things. The most common causes are worn or dirty brakes, or a faulty wheel bearing. If the vehicle’s brakes wear low, or become excessively dusty they may vibrate and cause a squeal. If the brakes are not low, I would check to make sure that they are not dusty, and that the calipers are retracting properly.

Similar symptoms can also be caused by a faulty rotor, that is excessively worn, or out of round. I would also check to make sure that the wheel bearings are not loose. Squealing can also be caused by a worn or damaged wheel bearing. If the wheel bearing is loose or worn it may squeal and drone as the vehicle moves forward.

I would recommend lifting the vehicle and checking the wheel bearing for looseness, as well as the brake pads to see if they may be low or dusty. If these both check out then it may be possible that the squealing is related to the tires.

To avoid any unnecessary repairs, I recommend having the squealing noise diagnosed by a certified technician, such as one from YourMechanic.

How to Identify and Fix Common car Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced mechanics :

The most common causes of brake squealing are worn brake pads, dust or debris between the pads and rotors, overnight moisture, your personal braking style, metallic brake pads, and lack of lubrication on drum brakes.
The classic symptom of a bad wheel bearing is typically a cyclic chirping, squealing or growling noise that changes in proportion to vehicle speed.
A continuous high-pitched squeal while you`re driving is usually the sound of a built-in wear indicator telling you that it`s time for new brake pads. As the pads wear down and gets thinner, a small metal tab contacts the rotor surface like a needle on a vinyl record to warn you it`s time for new pads.
Often, you`ll just have to clean the rotor surface and brake pad. A squealing/squeaking noise is caused by rust formation, usually due to water on the rotors. If moisture collects on the rotors surface, a thin layer of rust is formed.
If you have a faulty or loose wheel bearing, the rotor will wobble on its axis. This wobble causes the rotor to push the caliper piston into its bore (See Image 2). Now, when you hit the brake pedal, the piston has to travel farther than normal to apply the brakes. This causes a low or spongy brake pedal.
The only noise a bad bearing and bad brakes have in common is grinding. The timing of the noise is another big clue. If the noise occurs only when braking, the issue is obviously bad brakes. If the noise shows up after about 30 mph, chances are it`s a bad wheel bearing.
Did you know that an overheating engine will often let out something of a sad whistling noise? This is because the engine coolant has reached its boiling temperature, and that whistle is from the excess pressure escaping. It`s kind of like a kettle letting you know it`s time for tea.
If the humming noise is a high pitched hum, or more of a consistent squeaking sound, it`s possible that it is caused by a build-up of brake dust on the brake rotors. In most cases, this is not a cause for concern, however, it could also indicate that your brake pads are low and about time for replacement.
WD-40 Specialist Automotive Brake and Parts Cleaner is safe to use on clutch and brake assemblies, brake discs, callipers, brake drums, brake pads and brake linings.
New brakes need bedding in

If you have recently purchased or new car or have had new replacement brake pads and related parts, you could hear a squealing coming from your brakes. This is just them going through the bedding-in process. The cause for this is normally just the brakes touching the transfer layer.

WD-40 Specialist Automotive Brake and Parts Cleaner is safe to use on clutch and brake assemblies, brake discs, callipers, brake drums, brake pads and brake linings.
New brakes need bedding in

If you have recently purchased or new car or have had new replacement brake pads and related parts, you could hear a squealing coming from your brakes. This is just them going through the bedding-in process. The cause for this is normally just the brakes touching the transfer layer.

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squeal wheel noise
ANSWER : That squealing noise typically comes from the wear indicator on disc brake pads. The built-in noise maker indicates that it is time for a brake inspection or brake pad replacement. But when it concerns a safety system like brakes, we won’t assume anything until it has been properly inspected. All four wheels should be removed and the brakes inspected by a qualified technician, such as one from YourMechanic.

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ANSWER : You can shift between rear-wheel drive high range (2H) and four-wheel drive high range (4H) while you are driving your car. Here’s how.

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After making the shift, let your foot off of the gas pedal for a few seconds.

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Near Constant squealing sound from drive side front wheel.
ANSWER : Hi there. The squealing noise that you are hearing from the wheel is the wheel bearings with no grease in them. I recommend replacing the wheel hub assembly on the driver side front wheel.

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Wheel squeals at high speeds
ANSWER : Hello.

Wheel squeals can be caused by a few different things. The most common causes are worn or dirty brakes, or a faulty wheel bearing. If the vehicle’s brakes wear low, or become excessively dusty they may vibrate and cause a squeal. If the brakes are not low, I would check to make sure that they are not dusty, and that the calipers are retracting properly.

Similar symptoms can also be caused by a faulty rotor, that is excessively worn, or out of round. I would also check to make sure that the wheel bearings are not loose. Squealing can also be caused by a worn or damaged wheel bearing. If the wheel bearing is loose or worn it may squeal and drone as the vehicle moves forward.

I would recommend lifting the vehicle and checking the wheel bearing for looseness, as well as the brake pads to see if they may be low or dusty. If these both check out then it may be possible that the squealing is related to the tires.

To avoid any unnecessary repairs, I recommend having the squealing noise diagnosed by a certified technician, such as one from YourMechanic.

Read Full Q/A … : Wheel squeals at high speeds

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