Car wheel hub bearing fault diagnosis of automobile bearing bad condition

How to distinguish between the wheel hub bearing's wrong with it?     Wheel hub bearings is a simple but important auto parts, it can make the wheel at home.     Bad wheel hub bearing to change before it can't use, so as to avoid damage to cars and formation damage.     Voice: wheel hub bearing wear, the driver can distinguish from the sound of wheels. A symptom of bad wheel hub bearing is the noise rumble. Often can make the speed of the vehicle becomes loud noise.     Vibration: along with the rumble, bad wheel hub bearing vibration sound can feel to in the car or on the wheel. When at a higher speed and cornering, the noise will be greater.     Testing and maintenance: if discover bad wheel hub bearing, wheel hub bearing should be the test of peace to progress the rotation of the wheels. The wheels rotate smoothly, not to one side slip is normal. Low price, if need to change the wheel bearing local compare to repair is not complicated, time-consuming often compare.     How to search for wheel hub bearing noise?     Wheel bearing is one of the most important vehicle power transmission system and the least depending on local. When they start to attack problems, wheel hub bearing usually whining voice, you can through the steering wheel or feel to automobile chassis. Bearing noise is very bad things, this makes it to the middle of the location to find out the problem as soon as possible. Deal with problems, by a stroke of luck, was the source of methods is to listen to, listen to every corner of your car.     The following is a detailed methods: & emsp;   1, find a big, open parking lot, 45 miles per hour the speed of the drive in the parking lot, turn.     2, your brakes if you suffered from panic and parking. The front of the car will crash, weight transfer to the front, the bearing pressure. Then listen to the voice of your wheel, if it is too high, then you have a bad front bearing. If it become more quiet or dies, then you have a bad rear bearing.     3, at 45 miles per hour speed driving is circular, first turn clockwise, the weight of the driver's edge will accept your car. If the bearing noise becomes louder, bad bearings in the driver's side. Then counterclockwise over and over again, if the bearing noise becomes louder, bearing in the passenger side of the bad.     4, if you find that the increase of bearing noise or vibration, so bad of the bearing is the front passenger's side. If the brake and reduce the noise of the bearing increases, so bad bearings in the driver's side of the rear wheel of.