General predictions can be made as regards the state of wheel bearing, keeping in mind nature of driving, weather conditions in the region and the general land terrain. Usually it is not easy to detect the small sign of wearing off. Typically, the sound from the ball bearing is considered as an obvious indicator but there are other sign according to the “cartreatment”, which can observed from a worn wheel hub bearings.
Driving around the sharp ends and sharp turns results into Snapping and clicking sound with time. It indicates that the external CV-joint is damaged or it is wearing off, due to friction or it may be due to insufficient holding.The noise can also be heard if there is a mechanical damage to the bearing. It makes a crushing sound while the automobile is in motion. This crushing noise can be clearly heard when making sharp turns or when the load is not well balanced in the vehicle, thus forcing one side of the ball bearings to make this sound.
CV joints and U-joints are seriously prone to damage and if you hear a knocking or clunking noise, it signifies the damage in the afore-mentioned parts not the bearings. This sound can be heard when changing the direction.
Also, when you notice the wheel wobbling, what you ought to do is to check the lug nuts because it may not be properly torqued. If that’s not the case then it indicates that the clamp is seriously damaged or the bearings are out of order. When you feel the vibration while you are driving at a constant speed, it signifies damage on the ball bearing. There is also a possibility that it may be due to the damage done to the hub. You may also hear a humming, rumbling or growling sound from your tires assembly especially the front tires, and this may be associated the electrical components connected to the ball bearing assembly. Remember if you are driving in a straight line, and came across this noise, it signifies that the problem squarely rests with the ball bearings.
When you are driving at a constant speed and apply the brakes, you may feel an abnormal side pull. This indicates that the bearings are too much loosened. Excessive runout can be experienced and the car brakes with pull sideways. Brake pad wear may also be a bad wheel bearing symptom which may result into jagged tires, with reference to “cartreatments“website(www.kyptechline.com). You may occasionally notice an excessive loss of the tires grip; a clear sign that there is a problem due to wear down ball bearings. At times, you may observe that the steering wheel of your vehicle is unstable and moving, this is the time you take the car to a mechanic and have them diagnose the problem. This instability in the steering wheel is problematic when making turn along a smooth corner on the highway.
Anti-locking breaking system (ABD) failure is also due to the lack or loss of bearing clamps and is one of the bad wheel bearing symptoms to be taken seriously because it can result in a major accident. It may be due to the severe mechanical damage to the ball bearings. Lastly, a vibrating steering wheel or wobbling, while you are driving signifies that ball bearing are worn down or loosened inside the wheel.