Wheel hub bearing is an important part of a car's suspension. This part is responsible for wheel rotation and absorbs impact loads and vibrations. When it fails, not only ride comfort suffers, but also handling. Therefore, it is important for a driver to know how to check a hub bearing — both on the front and rear axle, especially when there is a hum, play, or other warning signs.

How to recognize hub bearing wear

The following signs may indicate that the bearing is wearing out:
  • a hum or noise coming from the wheel side while driving;
  • vibration transmitted to the steering wheel;
  • the wheel wobbles if you rock it;
  • tires wear unevenly;
  • the hub noticeably heats up;
  • clicks or grinding sounds are heard when turning.
If you notice any of these, it is better not to postpone checking the wheel hub bearing in a car.

Checking the front wheel hub bearing

For most cars, including VAZ 2107, Tavria, and Lanos, the procedure for checking the front bearing is almost the same:

1. Listen to the sound

While driving, pay attention to noise from the wheels. If the hum becomes louder with speed or when turning, the front wheel hub bearing may need attention.

2. Check for play

  • Engage the parking brake.
  • Jack up the wheel you need to check.
  • Grab the tire with your hands on both sides (for example, at the “3 and 9 o'clock” positions) and try to rock it.
  • If you feel play, especially with a metallic knock, the part needs to be replaced.

3. Spin the wheel

Rotate the wheel by hand. A good bearing runs smoothly and quietly. If you hear grinding, crunching, or noise, this indicates damage.

4. Check for heat

After a trip, carefully (to avoid burning yourself!) touch the hub. If it is hotter than usual, this may be a result of bearing wear. Overheating is a worrying symptom.

Checking the rear wheel hub bearing

Diagnosing the rear hub is done in a similar way. Owners of VAZ 2109, 2107, and other rear-wheel-drive models should pay special attention to rear bearings.

What to consider:

  • When rotating the rear wheel by hand, there should be no clicks.
  • Play in the rear wheel can be caused not only by the bearing but also by loose fasteners — this option should also be checked.
  • On some models, rear bearings are hidden under caps or dust covers, so inspect whether they are damaged.

How to check a hub bearing without a jack

If you don't have a lifting device, you can do a simple check like this:
  • While driving, listen to how the wheels behave when turning. If the noise when turning right increases on the left side, most likely the left front bearing is worn out.
  • On a parked car, press down on the body from top to bottom — if the bearing is faulty, it may respond with a knock.

How often to replace a hub bearing

The frequency of replacing a wheel hub bearing in a car depends on several factors:
  • driving style;
  • road surface condition;
  • car model;
  • bearing design (serviceable or not).
On average, the service life reaches 80,000–150,000 km. But if you often drive aggressively, hit potholes, or carry heavy loads, bearings should be checked more often — approximately every 20–30 thousand kilometers.

Checking the hub bearing on specific models

VAZ 2107

  • The front hub is easy to disassemble.
  • The bearing is tightened with a nut.
  • Play is easily detected by hand.

VAZ 2109

  • These have non-serviceable bearings.
  • When they fail, they are replaced entirely.

Tavria

  • The design is similar to classic VAZs.
  • Timely lubrication and gap control will help extend service life.

Lanos

  • The bearing is pressed into the hub.
  • When worn, you need to remove the hub and install a new part.

Practical recommendation

If you find a bearing fault, do not delay repairs. Complete destruction of the part can lead to wheel jamming, damage to the brake disc, or even an accident. It is better to carry out diagnostics and, if necessary, replace it at a nearby auto service center. By understanding how to check the front and rear hub bearing, you will be able to notice the problem in time and avoid serious expenses. Remember — safety starts with small things. At the first symptoms — noise, play, or overheating — you need to check the wheel hub bearing in the car. If replacement is needed, it is better to entrust it to professionals, especially when it comes to VAZ 2107, 2109, Tavria, or Lanos.