You can tell if the main thrust bearing is bad by simply checking out the oil. If you notice little metal particles, chances are the thrust bearing has spoiled.
As with any bearing going bad it would growl and the noise would increase with speed.
A growl or rumble that changes pitch when you turn left or right would be a wheel bearing going bad. A bad strut would allow that corner of the car to bounce too much.
front wheel bearing bad on a motorcycle
It is most likely the Wheel Bearing that is going bad.
No, main bearing noise is a rumble Throw out/release bearing for the clutch will only be heard when the clutch pedal is depressed. If you hear the noise without the clutch pedal being depressed, it is most likely the gearbox first motion shaft bearing that is at fault. First motion shaft bearing noise usually goes away when the clutch pedal is pressed.
It is important to know the signs of a bad car part. If an AC clutch bearing going bad, the biggest indication would be the trouble driving with the AC on in the car.
bad connection or your wheel bearing is going bad
Bad bearing Bad valve
A bearing going bad.
Could be a bad wheel or axle bearing or pinion/carrier bearing going bad. The year, make, model info may help us.
Most of the time you can hear a bad wheel bearing but the only 100% sure way to know is to remove the bearing and inspect it.Most of the time you can hear a bad wheel bearing but the only 100% sure way to know is to remove the bearing and inspect it.