QA

Quick Answer: How To Diagnose A Bad Wheel Bearing

What are the symptoms of bad wheel bearings A humming, rumbling or growling noise that increases with acceleration or as the vehicle turns. A loud constant whining or grinding noise when the vehicle is in motion. Clunking noises when driving over uneven road surfaces.

Can I fix my wheel bearing myself?

Changing your own wheel bearings is considered an intermediate job that can be done at home, but will need some speciality mechanic tools. Be sure to obtain your vehicle’s service manual and identify the type of wheel bearing your vehicle is equipped with before you begin the repair.

What does a wheel bearing sound like when it’s going bad?

The classic sounds of a bad wheel bearing are cyclic chirping, squealing and/or growling noise. You can also tell that the sound is related to wheel bearings if it changes in proportion to vehicle speed. The sound can get worse with every turn, or it can disappear momentarily.

How long will a wheel bearing last after it starts making noise?

Typically, a wheel bearing should last roughly 1,000 to 1,500 miles after it starts making noise. This doesn’t mean you should keep driving since a noisy wheel bearing is always a risk. When your wheel bearings are making noise, it’s a sign that something is not working properly and might fail when you’re driving.

How expensive is it to replace a wheel bearing?

The labor cost for a wheel bearing replacement also varies and will generally cost anywhere from $60 to $300. It should take between 1 to 1.5 labor hours to change the wheel bearing. In total, the cost to replace a wheel bearing is around $150 to $800.

Can you replace a wheel bearing without replacing the hub?

On some cars, you can just replace the bearing and call it a day. On others, the hub assembly must be removed and replaced. The most difficult type involves removing the hub assembly and setting it in a press. If you’re not sure what type of wheel hub assembly you have, stop by or give your local Pep Boys store a call.

How can you tell the difference between bad CV joints and bad wheel bearings?

If it moves back and forth, the wheel bearing is bad. A CV joint will make a clack, clack, clack noise, most often when turning. A wheel bearing will make a constant droning noise while you are moving. CV joints clunk or make louder noises on tight turns.

How does a technician check for a loose wheel bearing?

Play in the Wheels – Most often this symptom will be identified by a technician. When your vehicle is up on the lift, a technician will grab the wheel on either side and attempt to rock it back and forth. If the wheel assembly wobbles back and forth, worn out wear bearings are likely the cause.

What causes a loud humming noise while driving?

When the wheel bearing in your tires is damaged or deteriorating, it produces a soft humming sound or grinding noise when you change lanes. It’s best to have the wheel bearings replaced as soon as possible to prevent excessive damage and collisions.

How do you diagnose a bad hub assembly?

Here is a list of signs if you have a hub assembly that may need to be replaced: Snapping, clicking or popping noises when cornering or making sharp turns. Grinding noise when the vehicle is moving. Knocking or clunking sensation from the vehicle. Wheel vibration and/or wobble. Poor steering control.

How much does it cost to replace 4 wheel bearings?

The cost to replace both front wheel bearings is going to be between $260 and $480. The parts alone for the front wheel bearings are about $120 to $200. However, the labor costs will be a bit more extensive at around $140 to $280.

What happens if a wheel bearing fails while driving?

If your wheel bearing fails, it can cause the wheel to stop while you are driving or possibly even to fall off. At the very least, before a wheel falls off, a failed wheel bearing can/will cause significant damage to your vehicle, so it’s very important to keep an eye on these and keep them maintained.

Can I drive on a noisy wheel bearing?

It is safe to drive with a bad wheel bearing only if you just started to hear a humming, whining, grinding, or growling sound coming from the front or rear wheels. This indicates that the wheel bearing has begun failing and you would need to replace it as soon as possible.

How long does it take a mechanic to change a wheel bearing?

Replacing a single wheel bearing can take 90 to 120 minutes depending on the type of vehicle and complexity. There are a lot of moving parts that need to be maintained and properly sealed to complete this type of work.

Is changing a wheel bearing hard?

Replacing a wheel bearing that comes as an assembly with the hub and bolts to the spindle or steering knuckle is not very difficult if you have proper skills, tools and the manual. Of course, the large axle nut is very tight and can be difficult to remove.

Is it OK to change just one wheel bearing?

Should sealed wheel bearing hubs be replaced individually or in pairs? A. As long as the other wheel bearing is not making noise and play is still within specifications, it should remain in service.

Should I change wheel bearings in pairs?

Should car wheel bearings be replaced in pairs? No, bearings do not wear in or form to each other. You only need to replace bearings that are actually bad.

Should I replace both wheel bearings at the same time?

If bearings go bad at one wheel, it is unnecessary to replace the bearings at the other wheel on the same axle. Don’t let someone talk you into work that is not needed.